summaryrefslogtreecommitdiffstats
path: root/lib/readline/bind.c
blob: 971116a90c58ef1ad5d27b4718f6db89fc7b6026 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
/* bind.c -- key binding and startup file support for the readline library. */

/* Copyright (C) 1987-2022 Free Software Foundation, Inc.

   This file is part of the GNU Readline Library (Readline), a library
   for reading lines of text with interactive input and history editing.

   Readline is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.

   Readline is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with Readline.  If not, see <http://www.gnu.org/licenses/>.
*/

#define READLINE_LIBRARY

#if defined (__TANDEM)
#  include <floss.h>
#endif

#if defined (HAVE_CONFIG_H)
#  include <config.h>
#endif

#include <stdio.h>
#include <sys/types.h>
#include <fcntl.h>
#if defined (HAVE_SYS_FILE_H)
#  include <sys/file.h>
#endif /* HAVE_SYS_FILE_H */

#if defined (HAVE_UNISTD_H)
#  include <unistd.h>
#endif /* HAVE_UNISTD_H */

#if defined (HAVE_STDLIB_H)
#  include <stdlib.h>
#else
#  include "ansi_stdlib.h"
#endif /* HAVE_STDLIB_H */

#include <errno.h>

#if !defined (errno)
extern int errno;
#endif /* !errno */

#include "posixstat.h"

/* System-specific feature definitions and include files. */
#include "rldefs.h"

/* Some standard library routines. */
#include "readline.h"
#include "history.h"

#include "rlprivate.h"
#include "rlshell.h"
#include "xmalloc.h"

#if !defined (strchr) && !defined (__STDC__)
extern char *strchr (), *strrchr ();
#endif /* !strchr && !__STDC__ */

/* Variables exported by this file. */
Keymap rl_binding_keymap;

static int _rl_skip_to_delim (char *, int, int);

#if defined (USE_VARARGS) && defined (PREFER_STDARG)
static void _rl_init_file_error (const char *, ...)  __attribute__((__format__ (printf, 1, 2)));
#else
static void _rl_init_file_error ();
#endif

static rl_command_func_t *_rl_function_of_keyseq_internal (const char *, size_t, Keymap, int *);

static char *_rl_read_file (char *, size_t *);
static int _rl_read_init_file (const char *, int);
static int glean_key_from_name (char *);

static int find_boolean_var (const char *);
static int find_string_var (const char *);

static const char *boolean_varname (int);
static const char *string_varname (int);

static char *_rl_get_string_variable_value (const char *);
static int substring_member_of_array (const char *, const char * const *);

static int _rl_get_keymap_by_name (const char *);
static int _rl_get_keymap_by_map (Keymap);

static int currently_reading_init_file;

/* used only in this file */
static int _rl_prefer_visible_bell = 1;

#define OP_EQ	1
#define OP_NE	2
#define OP_GT	3
#define OP_GE	4
#define OP_LT	5
#define OP_LE	6

#define OPSTART(c)	((c) == '=' || (c) == '!' || (c) == '<' || (c) == '>')
#define CMPSTART(c)	((c) == '=' || (c) == '!')

/* **************************************************************** */
/*								    */
/*			Binding keys				    */
/*								    */
/* **************************************************************** */

/* rl_add_defun (char *name, rl_command_func_t *function, int key)
   Add NAME to the list of named functions.  Make FUNCTION be the function
   that gets called.  If KEY is not -1, then bind it. */
int
rl_add_defun (const char *name, rl_command_func_t *function, int key)
{
  if (key != -1)
    rl_bind_key (key, function);
  rl_add_funmap_entry (name, function);
  return 0;
}

/* Bind KEY to FUNCTION.  Returns non-zero if KEY is out of range. */
int
rl_bind_key (int key, rl_command_func_t *function)
{
  char keyseq[4];
  int l;

  if (key < 0 || key > largest_char)
    return (key);

  /* Want to make this a multi-character key sequence with an ESC prefix */
  if (META_CHAR (key) && _rl_convert_meta_chars_to_ascii)
    {
      if (_rl_keymap[ESC].type == ISKMAP)
	{
	  Keymap escmap;

	  escmap = FUNCTION_TO_KEYMAP (_rl_keymap, ESC);
	  key = UNMETA (key);
	  escmap[key].type = ISFUNC;
	  escmap[key].function = function;
	  return (0);
	}

      /* Otherwise, let's just let rl_generic_bind handle the key sequence.
	 We start it off with ESC here and let the code below add the rest
	 of the sequence. */
      keyseq[0] = ESC;
      l = 1;
      key = UNMETA(key);
      goto bind_keyseq;
    }

  /* If it's bound to a function or macro, just overwrite.  Otherwise we have
     to treat it as a key sequence so rl_generic_bind handles shadow keymaps
     for us.  If we are binding '\' or \C-@ (NUL) make sure to escape it so
     it makes it through the call to rl_translate_keyseq. */
  if (_rl_keymap[key].type != ISKMAP)
    {
      if (_rl_keymap[key].type == ISMACR)
	xfree ((char *)_rl_keymap[key].function);
      _rl_keymap[key].type = ISFUNC;
      _rl_keymap[key].function = function;
    }
  else
    {
      l = 0;
bind_keyseq:
      if (key == '\\')
	{
	  keyseq[l++] = '\\';
	  keyseq[l++] = '\\';
	}
      else if (key == '\0')	  
	{
	  keyseq[l++] = '\\';
	  keyseq[l++] = '0';
	}
      else
	keyseq[l++] = key;
      keyseq[l] = '\0';
      rl_bind_keyseq (keyseq, function);
    }
  rl_binding_keymap = _rl_keymap;
  return (0);
}

/* Bind KEY to FUNCTION in MAP.  Returns non-zero in case of invalid
   KEY. */
int
rl_bind_key_in_map (int key, rl_command_func_t *function, Keymap map)
{
  int result;
  Keymap oldmap;

  oldmap = _rl_keymap;
  _rl_keymap = map;
  result = rl_bind_key (key, function);
  _rl_keymap = oldmap;
  return (result);
}

/* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound.  Right
   now, this is always used to attempt to bind the arrow keys. */
int
rl_bind_key_if_unbound_in_map (int key, rl_command_func_t *default_func, Keymap kmap)
{
  char *keyseq;

  keyseq = rl_untranslate_keyseq ((unsigned char)key);
  return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, kmap));
}

int
rl_bind_key_if_unbound (int key, rl_command_func_t *default_func)
{
  char *keyseq;

  keyseq = rl_untranslate_keyseq ((unsigned char)key);
  return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, _rl_keymap));
}

/* Make KEY do nothing in the currently selected keymap.
   Returns non-zero in case of error.  This is not the same as self-insert;
   this makes it a dead key. */
int
rl_unbind_key (int key)
{
  return (rl_bind_key (key, (rl_command_func_t *)NULL));
}

/* Make KEY do nothing in MAP. Returns non-zero in case of error. */
int
rl_unbind_key_in_map (int key, Keymap map)
{
  return (rl_bind_key_in_map (key, (rl_command_func_t *)NULL, map));
}

/* Unbind all keys bound to FUNCTION in MAP. */
int
rl_unbind_function_in_map (rl_command_func_t *func, Keymap map)
{
  register int i, rval;

  for (i = rval = 0; i < KEYMAP_SIZE; i++)
    {
      if (map[i].type == ISFUNC && map[i].function == func)
	{
	  map[i].function = (rl_command_func_t *)NULL;
	  rval = 1;
	}
      else if (map[i].type == ISKMAP)		/* TAG:readline-8.1 */
	{
	  int r;
	  r = rl_unbind_function_in_map (func, FUNCTION_TO_KEYMAP (map, i));
	  if (r == 1)
	    rval = 1;
	}
    }
  return rval;
}

/* Unbind all keys bound to COMMAND, which is a bindable command name, in MAP */
int
rl_unbind_command_in_map (const char *command, Keymap map)
{
  rl_command_func_t *func;

  func = rl_named_function (command);
  if (func == 0)
    return 0;
  return (rl_unbind_function_in_map (func, map));
}

/* Bind the key sequence represented by the string KEYSEQ to
   FUNCTION, starting in the current keymap.  This makes new
   keymaps as necessary. */
int
rl_bind_keyseq (const char *keyseq, rl_command_func_t *function)
{
  return (rl_generic_bind (ISFUNC, keyseq, (char *)function, _rl_keymap));
}

/* Bind the key sequence represented by the string KEYSEQ to
   FUNCTION.  This makes new keymaps as necessary.  The initial
   place to do bindings is in MAP. */
int
rl_bind_keyseq_in_map (const char *keyseq, rl_command_func_t *function, Keymap map)
{
  return (rl_generic_bind (ISFUNC, keyseq, (char *)function, map));
}

/* Backwards compatibility; equivalent to rl_bind_keyseq_in_map() */
int
rl_set_key (const char *keyseq, rl_command_func_t *function, Keymap map)
{
  return (rl_generic_bind (ISFUNC, keyseq, (char *)function, map));
}

/* Bind key sequence KEYSEQ to DEFAULT_FUNC if KEYSEQ is unbound.  Right
   now, this is always used to attempt to bind the arrow keys, hence the
   check for rl_vi_movement_mode. */
int
rl_bind_keyseq_if_unbound_in_map (const char *keyseq, rl_command_func_t *default_func, Keymap kmap)
{
  rl_command_func_t *func;
  char *keys;
  int keys_len;

  if (keyseq)
    {
      /* Handle key sequences that require translations and `raw' ones that
	 don't. This might be a problem with backslashes. */
      keys = (char *)xmalloc (1 + (2 * strlen (keyseq)));
      if (rl_translate_keyseq (keyseq, keys, &keys_len))
	{
	  xfree (keys);
	  return -1;
	}
      func = rl_function_of_keyseq_len (keys, keys_len, kmap, (int *)NULL);
      xfree (keys);
#if defined (VI_MODE)
      if (!func || func == rl_do_lowercase_version || func == rl_vi_movement_mode)
#else
      if (!func || func == rl_do_lowercase_version)
#endif
	return (rl_bind_keyseq_in_map (keyseq, default_func, kmap));
      else
	return 1;
    }
  return 0;
}

int
rl_bind_keyseq_if_unbound (const char *keyseq, rl_command_func_t *default_func)
{
  return (rl_bind_keyseq_if_unbound_in_map (keyseq, default_func, _rl_keymap));
}

/* Bind the key sequence represented by the string KEYSEQ to
   the string of characters MACRO.  This makes new keymaps as
   necessary.  The initial place to do bindings is in MAP. */
int
rl_macro_bind (const char *keyseq, const char *macro, Keymap map)
{
  char *macro_keys;
  int macro_keys_len;

  macro_keys = (char *)xmalloc ((2 * strlen (macro)) + 1);

  if (rl_translate_keyseq (macro, macro_keys, &macro_keys_len))
    {
      xfree (macro_keys);
      return -1;
    }
  rl_generic_bind (ISMACR, keyseq, macro_keys, map);
  return 0;
}

/* Bind the key sequence represented by the string KEYSEQ to
   the arbitrary pointer DATA.  TYPE says what kind of data is
   pointed to by DATA, right now this can be a function (ISFUNC),
   a macro (ISMACR), or a keymap (ISKMAP).  This makes new keymaps
   as necessary.  The initial place to do bindings is in MAP. */
int
rl_generic_bind (int type, const char *keyseq, char *data, Keymap map)
{
  char *keys;
  int keys_len, prevkey, ic;
  register int i;
  KEYMAP_ENTRY k;
  Keymap prevmap;  

  k.function = 0;

  /* If no keys to bind to, exit right away. */
  if (keyseq == 0 || *keyseq == 0)
    {
      if (type == ISMACR)
	xfree (data);
      return -1;
    }

  keys = (char *)xmalloc (1 + (2 * strlen (keyseq)));

  /* Translate the ASCII representation of KEYSEQ into an array of
     characters.  Stuff the characters into KEYS, and the length of
     KEYS into KEYS_LEN. */
  if (rl_translate_keyseq (keyseq, keys, &keys_len))
    {
      xfree (keys);
      return -1;
    }

  prevmap = map;
  prevkey = keys[0];

  /* Bind keys, making new keymaps as necessary. */
  for (i = 0; i < keys_len; i++)
    {
      unsigned char uc = keys[i];

      if (i > 0)
	prevkey = ic;

      ic = uc;
      if (ic < 0 || ic >= KEYMAP_SIZE)
        {
          xfree (keys);
	  return -1;
        }

      /* We now rely on rl_translate_keyseq to do this conversion, so this
	 check is superfluous. */
#if 0
      if (META_CHAR (ic) && _rl_convert_meta_chars_to_ascii)
	{
	  ic = UNMETA (ic);
	  if (map[ESC].type == ISKMAP)
	    {
	      prevmap = map;
	      map = FUNCTION_TO_KEYMAP (map, ESC);
	    }
	}
#endif

      if ((i + 1) < keys_len)
	{
	  if (map[ic].type != ISKMAP)
	    {
	      /* We allow subsequences of keys.  If a keymap is being
		 created that will `shadow' an existing function or macro
		 key binding, we save that keybinding into the ANYOTHERKEY
		 index in the new map.  The dispatch code will look there
		 to find the function to execute if the subsequence is not
		 matched.  ANYOTHERKEY was chosen to be greater than
		 UCHAR_MAX. */
	      k = map[ic];

	      map[ic].type = ISKMAP;
	      map[ic].function = KEYMAP_TO_FUNCTION (rl_make_bare_keymap());
	    }
	  prevmap = map;
	  map = FUNCTION_TO_KEYMAP (map, ic);
	  /* The dispatch code will return this function if no matching
	     key sequence is found in the keymap.  This (with a little
	     help from the dispatch code in readline.c) allows `a' to be
	     mapped to something, `abc' to be mapped to something else,
	     and the function bound  to `a' to be executed when the user
	     types `abx', leaving `bx' in the input queue. */
	  if (k.function && ((k.type == ISFUNC && k.function != rl_do_lowercase_version) || k.type == ISMACR))
	    {
	      map[ANYOTHERKEY] = k;
	      k.function = 0;
	    }
	}
      else
	{
	  if (map[ic].type == ISKMAP)
	    {
	      prevmap = map;
	      map = FUNCTION_TO_KEYMAP (map, ic);
	      ic = ANYOTHERKEY;
	      /* If we're trying to override a keymap with a null function
		 (e.g., trying to unbind it), we can't use a null pointer
		 here because that's indistinguishable from having not been
		 overridden.  We use a special bindable function that does
		 nothing. */
	      if (type == ISFUNC && data == 0)
		data = (char *)_rl_null_function;
	    }
	  if (map[ic].type == ISMACR)
	    xfree ((char *)map[ic].function);

	  map[ic].function = KEYMAP_TO_FUNCTION (data);
	  map[ic].type = type;
	}

      rl_binding_keymap = map;

    }

  /* If we unbound a key (type == ISFUNC, data == 0), and the prev keymap
     points to the keymap where we unbound the key (sanity check), and the
     current binding keymap is empty (rl_empty_keymap() returns non-zero),
     and the binding keymap has ANYOTHERKEY set with type == ISFUNC
     (overridden function), delete the now-empty keymap, take the previously-
     overridden function and remove the override. */
  /* Right now, this only works one level back. */
  if (type == ISFUNC && data == 0 &&
      prevmap[prevkey].type == ISKMAP &&
      (FUNCTION_TO_KEYMAP(prevmap, prevkey) == rl_binding_keymap) &&
      rl_binding_keymap[ANYOTHERKEY].type == ISFUNC &&
      rl_empty_keymap (rl_binding_keymap))
    {
      prevmap[prevkey].type = rl_binding_keymap[ANYOTHERKEY].type;
      prevmap[prevkey].function = rl_binding_keymap[ANYOTHERKEY].function;
      rl_discard_keymap (rl_binding_keymap);
      rl_binding_keymap = prevmap;
    }

  xfree (keys);
  return 0;
}

/* Translate the ASCII representation of SEQ, stuffing the values into ARRAY,
   an array of characters.  LEN gets the final length of ARRAY.  Return
   non-zero if there was an error parsing SEQ. */
int
rl_translate_keyseq (const char *seq, char *array, int *len)
{
  register int i, l, temp;
  int has_control, has_meta;
  unsigned char c;

  has_control = 0;
  has_meta = 0;

  /* When there are incomplete prefixes \C- or \M- (has_control || has_meta)
     without base character at the end of SEQ, they are processed as the
     prefixes for '\0'.
  */
  for (i = l = 0; (c = seq[i]) || has_control || has_meta; i++)
    {
      /* Only backslashes followed by a non-null character are handled
	 specially.  Trailing backslash (backslash followed by '\0') is
	 processed as a normal character.
      */
      if (c == '\\' && seq[i + 1] != '\0')
	{
	  c = seq[++i];

	  /* Handle \C- and \M- prefixes. */
	  if (c == 'C' && seq[i + 1] == '-')
	    {
	      i++;
	      has_control = 1;
	      continue;
	    }
	  else if (c == 'M' && seq[i + 1] == '-')
	    {
	      i++;
	      has_meta = 1;
	      continue;
	    }	      

	  /* Translate other backslash-escaped characters.  These are the
	     same escape sequences that bash's `echo' and `printf' builtins
	     handle, with the addition of \d -> RUBOUT.  A backslash
	     preceding a character that is not special is stripped. */
	  switch (c)
	    {
	    case 'a':
	      c = '\007';
	      break;
	    case 'b':
	      c = '\b';
	      break;
	    case 'd':
	      c = RUBOUT;	/* readline-specific */
	      break;
	    case 'e':
	      c = ESC;
	      break;
	    case 'f':
	      c = '\f';
	      break;
	    case 'n':
	      c = NEWLINE;
	      break;
	    case 'r':
	      c = RETURN;
	      break;
	    case 't':
	      c = TAB;
	      break;
	    case 'v':
	      c = 0x0B;
	      break;
	    case '\\':
	      c = '\\';
	      break;
	    case '0': case '1': case '2': case '3':
	    case '4': case '5': case '6': case '7':
	      i++;
	      for (temp = 2, c -= '0'; ISOCTAL ((unsigned char)seq[i]) && temp--; i++)
	        c = (c * 8) + OCTVALUE (seq[i]);
	      i--;	/* auto-increment in for loop */
	      c &= largest_char;
	      break;
	    case 'x':
	      i++;
	      for (temp = 2, c = 0; ISXDIGIT ((unsigned char)seq[i]) && temp--; i++)
	        c = (c * 16) + HEXVALUE (seq[i]);
	      if (temp == 2)
	        c = 'x';
	      i--;	/* auto-increment in for loop */
	      c &= largest_char;
	      break;
	    default:	/* backslashes before non-special chars just add the char */
	      c &= largest_char;
	      break;	/* the backslash is stripped */
	    }
	}

      /* Process \C- and \M- flags */
      if (has_control)
	{
	  /* Special treatment for C-? */
	  c = (c == '?') ? RUBOUT : CTRL (_rl_to_upper (c));
	  has_control = 0;
	}
      if (has_meta)
	{
	  c = META (c);
	  has_meta = 0;
	}

      /* If convert-meta is turned on, convert a meta char to a key sequence  */
      if (META_CHAR (c) && _rl_convert_meta_chars_to_ascii)
	{
	  array[l++] = ESC;	/* ESC is meta-prefix */
	  array[l++] = UNMETA (c);
	}
      else
	array[l++] = (c);

      /* Null characters may be processed for incomplete prefixes at the end of
	 sequence */
      if (seq[i] == '\0')
	break;
    }

  *len = l;
  array[l] = '\0';
  return (0);
}

static int
_rl_isescape (int c)
{
  switch (c)
    {
    case '\007':
    case '\b':
    case '\f':
    case '\n':
    case '\r':
    case TAB:
    case 0x0b:  return (1);
    default: return (0);
    }
}

static int
_rl_escchar (int c)
{
  switch (c)
    {
    case '\007':  return ('a');
    case '\b':  return ('b');
    case '\f':  return ('f');
    case '\n':  return ('n');
    case '\r':  return ('r');
    case TAB:  return ('t');
    case 0x0b:  return ('v');
    default: return (c);
    }
}

char *
rl_untranslate_keyseq (int seq)
{
  static char kseq[16];
  int i, c;

  i = 0;
  c = seq;
  if (META_CHAR (c))
    {
      kseq[i++] = '\\';
      kseq[i++] = 'M';
      kseq[i++] = '-';
      c = UNMETA (c);
    }
  else if (c == ESC)
    {
      kseq[i++] = '\\';
      c = 'e';
    }
  else if (CTRL_CHAR (c))
    {
      kseq[i++] = '\\';
      kseq[i++] = 'C';
      kseq[i++] = '-';
      c = _rl_to_lower (UNCTRL (c));
    }
  else if (c == RUBOUT)
    {
      kseq[i++] = '\\';
      kseq[i++] = 'C';
      kseq[i++] = '-';
      c = '?';
    }

  if (c == ESC)
    {
      kseq[i++] = '\\';
      c = 'e';
    }
  else if (c == '\\' || c == '"')
    {
      kseq[i++] = '\\';
    }

  kseq[i++] = (unsigned char) c;
  kseq[i] = '\0';
  return kseq;
}

char *
_rl_untranslate_macro_value (char *seq, int use_escapes)
{
  char *ret, *r, *s;
  int c;

  r = ret = (char *)xmalloc (7 * strlen (seq) + 1);
  for (s = seq; *s; s++)
    {
      c = *s;
      if (META_CHAR (c))
	{
	  *r++ = '\\';
	  *r++ = 'M';
	  *r++ = '-';
	  c = UNMETA (c);
	}
      else if (c == ESC)
	{
	  *r++ = '\\';
	  c = 'e';
	}
      else if (CTRL_CHAR (c))
	{
	  *r++ = '\\';
	  if (use_escapes && _rl_isescape (c))
	    c = _rl_escchar (c);
	  else
	    {
	      *r++ = 'C';
	      *r++ = '-';
	      c = _rl_to_lower (UNCTRL (c));
	    }
	}
      else if (c == RUBOUT)
 	{
 	  *r++ = '\\';
 	  *r++ = 'C';
 	  *r++ = '-';
 	  c = '?';
 	}

      if (c == ESC)
	{
	  *r++ = '\\';
	  c = 'e';
	}
      else if (c == '\\' || c == '"')
	*r++ = '\\';

      *r++ = (unsigned char)c;
    }
  *r = '\0';
  return ret;
}

/* Return a pointer to the function that STRING represents.
   If STRING doesn't have a matching function, then a NULL pointer
   is returned. The string match is case-insensitive. */
rl_command_func_t *
rl_named_function (const char *string)
{
  register int i;

  rl_initialize_funmap ();

  for (i = 0; funmap[i]; i++)
    if (_rl_stricmp (funmap[i]->name, string) == 0)
      return (funmap[i]->function);
  return ((rl_command_func_t *)NULL);
}

/* Return the function (or macro) definition which would be invoked via
   KEYSEQ if executed in MAP.  If MAP is NULL, then the current keymap is
   used.  TYPE, if non-NULL, is a pointer to an int which will receive the
   type of the object pointed to.  One of ISFUNC (function), ISKMAP (keymap),
   or ISMACR (macro). */
static rl_command_func_t *
_rl_function_of_keyseq_internal (const char *keyseq, size_t len, Keymap map, int *type)
{
  register int i;

  if (map == 0)
    map = _rl_keymap;

  for (i = 0; keyseq && i < len; i++)
    {
      unsigned char ic = keyseq[i];

      if (META_CHAR (ic) && _rl_convert_meta_chars_to_ascii)
	{
	  if (map[ESC].type == ISKMAP)
	    {
	      map = FUNCTION_TO_KEYMAP (map, ESC);
	      ic = UNMETA (ic);
	    }
	  /* XXX - should we just return NULL here, since this obviously
	     doesn't match? */
	  else
	    {
	      if (type)
		*type = map[ESC].type;

	      return (map[ESC].function);
	    }
	}

      if (map[ic].type == ISKMAP)
	{
	  /* If this is the last key in the key sequence, return the
	     map. */
	  if (i + 1 == len)
	    {
	      if (type)
		*type = ISKMAP;

	      return (map[ic].function);
	    }
	  else
	    map = FUNCTION_TO_KEYMAP (map, ic);
	}
      /* If we're not at the end of the key sequence, and the current key
	 is bound to something other than a keymap, then the entire key
	 sequence is not bound. */
      else if (map[ic].type != ISKMAP && i+1 < len)
	return ((rl_command_func_t *)NULL);
      else	/* map[ic].type != ISKMAP && i+1 == len */
	{
	  if (type)
	    *type = map[ic].type;

	  return (map[ic].function);
	}
    }
  return ((rl_command_func_t *) NULL);
}

rl_command_func_t *
rl_function_of_keyseq (const char *keyseq, Keymap map, int *type)
{
  return _rl_function_of_keyseq_internal (keyseq, strlen (keyseq), map, type);
}

rl_command_func_t *
rl_function_of_keyseq_len (const char *keyseq, size_t len, Keymap map, int *type)
{
  return _rl_function_of_keyseq_internal (keyseq, len, map, type);
}

/* Assuming there is a numeric argument at the beginning of KEYSEQ (the
   caller is responsible for checking), return the index of the portion of
   the key sequence following the numeric argument. If there's no numeric
   argument (?), or if KEYSEQ consists solely of a numeric argument (?),
   return -1. */
int
rl_trim_arg_from_keyseq	(const char *keyseq, size_t len, Keymap map)
{
  register int i, j, parsing_digits;
  unsigned char ic;
  Keymap map0;

  if (map == 0)
    map = _rl_keymap;
  map0 = map;

  /* The digits following the initial one (e.g., the binding to digit-argument)
    or the optional `-' in a binding to digit-argument or universal-argument
    are not added to rl_executing_keyseq. This is basically everything read by
    rl_digit_loop. The parsing_digits logic is here in case they ever are. */
  for (i = j = parsing_digits = 0; keyseq && i < len; i++)
    {
      ic = keyseq[i];

      if (parsing_digits)
	{
	  if (_rl_digit_p (ic))
	    {
	      j = i + 1;
	      continue;
	    }
	  parsing_digits = 0;
	}

      if (map[ic].type == ISKMAP)
	{
	  if (i + 1 == len)
	    return -1;
	  map = FUNCTION_TO_KEYMAP (map, ic);
	  continue;
	}
      if (map[ic].type == ISFUNC)
	{
#if defined (VI_MODE)
	  if (map[ic].function != rl_digit_argument && map[ic].function != rl_universal_argument && map[ic].function != rl_vi_arg_digit)
#else
	  if (map[ic].function != rl_digit_argument && map[ic].function != rl_universal_argument)
#endif
	    return (j);

	  /* We don't bother with a keyseq that is only a numeric argument */
	  if (i + 1 == len)
	    return -1;

	  parsing_digits = 1;

	  /* This logic should be identical to rl_digit_loop */
	  /* We accept M-- as equivalent to M--1, C-u- as equivalent to C-u-1
	     but set parsing_digits to 2 to note that we saw `-' */
	  if (map[ic].function == rl_universal_argument && (i + 1 == '-'))
	    {
	      i++;
	      parsing_digits = 2;
	    }
	  if (map[ic].function == rl_digit_argument && ic == '-')
	    {
	      parsing_digits = 2;
	    }

	  map = map0;
	  j = i + 1;
	}
    }

  /* If we're still parsing digits by the time we get here, we don't allow a
     key sequence that consists solely of a numeric argument */
  return -1;
}
  
/* The last key bindings file read. */
static char *last_readline_init_file = (char *)NULL;

/* The file we're currently reading key bindings from. */
static const char *current_readline_init_file;
static int current_readline_init_include_level;
static int current_readline_init_lineno;

/* Read FILENAME into a locally-allocated buffer and return the buffer.
   The size of the buffer is returned in *SIZEP.  Returns NULL if any
   errors were encountered. */
static char *
_rl_read_file (char *filename, size_t *sizep)
{
  struct stat finfo;
  size_t file_size;
  char *buffer;
  int i, file;

  file = -1;
  if (((file = open (filename, O_RDONLY, 0666)) < 0) || (fstat (file, &finfo) < 0))
    {
      if (file >= 0)
	close (file);
      return ((char *)NULL);
    }

  file_size = (size_t)finfo.st_size;

  /* check for overflow on very large files */
  if (file_size != finfo.st_size || file_size + 1 < file_size)
    {
      if (file >= 0)
	close (file);
#if defined (EFBIG)
      errno = EFBIG;
#endif
      return ((char *)NULL);
    }

  /* Read the file into BUFFER. */
  buffer = (char *)xmalloc (file_size + 1);
  i = read (file, buffer, file_size);
  close (file);

  if (i < 0)
    {
      xfree (buffer);
      return ((char *)NULL);
    }

  RL_CHECK_SIGNALS ();

  buffer[i] = '\0';
  if (sizep)
    *sizep = i;

  return (buffer);
}

/* Re-read the current keybindings file. */
int
rl_re_read_init_file (int count, int ignore)
{
  int r;
  r = rl_read_init_file ((const char *)NULL);
  rl_set_keymap_from_edit_mode ();
  return r;
}

/* Do key bindings from a file.  If FILENAME is NULL it defaults
   to the first non-null filename from this list:
     1. the filename used for the previous call
     2. the value of the shell variable `INPUTRC'
     3. ~/.inputrc
     4. /etc/inputrc
   If the file existed and could be opened and read, 0 is returned,
   otherwise errno is returned. */
int
rl_read_init_file (const char *filename)
{
  /* Default the filename. */
  if (filename == 0)
    filename = last_readline_init_file;
  if (filename == 0)
    filename = sh_get_env_value ("INPUTRC");
  if (filename == 0 || *filename == 0)
    {
      filename = DEFAULT_INPUTRC;
      /* Try to read DEFAULT_INPUTRC; fall back to SYS_INPUTRC on failure */
      if (_rl_read_init_file (filename, 0) == 0)
	return 0;
      filename = SYS_INPUTRC;
    }

#if defined (__MSDOS__)
  if (_rl_read_init_file (filename, 0) == 0)
    return 0;
  filename = "~/_inputrc";
#endif
  return (_rl_read_init_file (filename, 0));
}

static int
_rl_read_init_file (const char *filename, int include_level)
{
  register int i;
  char *buffer, *openname, *line, *end;
  size_t file_size;

  current_readline_init_file = filename;
  current_readline_init_include_level = include_level;

  openname = tilde_expand (filename);
  buffer = _rl_read_file (openname, &file_size);
  xfree (openname);

  RL_CHECK_SIGNALS ();
  if (buffer == 0)
    return (errno);
  
  if (include_level == 0 && filename != last_readline_init_file)
    {
      FREE (last_readline_init_file);
      last_readline_init_file = savestring (filename);
    }

  currently_reading_init_file = 1;

  /* Loop over the lines in the file.  Lines that start with `#' are
     comments; all other lines are commands for readline initialization. */
  current_readline_init_lineno = 1;
  line = buffer;
  end = buffer + file_size;
  while (line < end)
    {
      /* Find the end of this line. */
      for (i = 0; line + i != end && line[i] != '\n'; i++);

#if defined (__CYGWIN__)
      /* ``Be liberal in what you accept.'' */
      if (line[i] == '\n' && line[i-1] == '\r')
	line[i - 1] = '\0';
#endif

      /* Mark end of line. */
      line[i] = '\0';

      /* Skip leading whitespace. */
      while (*line && whitespace (*line))
        {
	  line++;
	  i--;
        }

      /* If the line is not a comment, then parse it. */
      if (*line && *line != '#')
	rl_parse_and_bind (line);

      /* Move to the next line. */
      line += i + 1;
      current_readline_init_lineno++;
    }

  xfree (buffer);
  currently_reading_init_file = 0;
  return (0);
}

static void
#if defined (PREFER_STDARG)
_rl_init_file_error (const char *format, ...)
#else
_rl_init_file_error (va_alist)
     va_dcl
#endif
{
  va_list args;
#if defined (PREFER_VARARGS)
  char *format;
#endif

#if defined (PREFER_STDARG)
  va_start (args, format);
#else
  va_start (args);
  format = va_arg (args, char *);
#endif

  fprintf (stderr, "readline: ");
  if (currently_reading_init_file)
    fprintf (stderr, "%s: line %d: ", current_readline_init_file,
		     current_readline_init_lineno);

  vfprintf (stderr, format, args);
  fprintf (stderr, "\n");
  fflush (stderr);

  va_end (args);
}

/* **************************************************************** */
/*								    */
/*			Parser Helper Functions       		    */
/*								    */
/* **************************************************************** */

static int
parse_comparison_op (s, indp)
     const char *s;
     int *indp;
{
  int i, peekc, op;

  if (OPSTART (s[*indp]) == 0)
    return -1;
  i = *indp;
  peekc = s[i] ? s[i+1] : 0;
  op = -1;

  if (s[i] == '=')
    {
      op = OP_EQ;
      if (peekc == '=')
        i++;
      i++;
    }
  else if (s[i] == '!' && peekc == '=')
    {
      op = OP_NE;
      i += 2;
    }
  else if (s[i] == '<' && peekc == '=')
    {
      op = OP_LE;
      i += 2;
    }
  else if (s[i] == '>' && peekc == '=')
    {
      op = OP_GE;
      i += 2;
    }
  else if (s[i] == '<')
    {
      op = OP_LT;
      i += 1;
    }
  else if (s[i] == '>')
    {
      op = OP_GT;
      i += 1;
    }

  *indp = i;
  return op;        
}

/* **************************************************************** */
/*								    */
/*			Parser Directives       		    */
/*								    */
/* **************************************************************** */

typedef int _rl_parser_func_t (char *);

/* Things that mean `Control'. */
const char * const _rl_possible_control_prefixes[] = {
  "Control-", "C-", "CTRL-", (const char *)NULL
};

const char * const _rl_possible_meta_prefixes[] = {
  "Meta", "M-", (const char *)NULL
};

/* Forward declarations */
static int parser_if (char *);
static int parser_else (char *);
static int parser_endif (char *);
static int parser_include (char *);

/* Conditionals. */

/* Calling programs set this to have their argv[0]. */
const char *rl_readline_name = "other";

/* Stack of previous values of parsing_conditionalized_out. */
static unsigned char *if_stack = (unsigned char *)NULL;
static int if_stack_depth;
static int if_stack_size;

/* Push _rl_parsing_conditionalized_out, and set parser state based
   on ARGS. */
static int
parser_if (char *args)
{
  int i, llen, boolvar, strvar;

  boolvar = strvar = -1;

  /* Push parser state. */
  if (if_stack_depth + 1 >= if_stack_size)
    {
      if (!if_stack)
	if_stack = (unsigned char *)xmalloc (if_stack_size = 20);
      else
	if_stack = (unsigned char *)xrealloc (if_stack, if_stack_size += 20);
    }
  if_stack[if_stack_depth++] = _rl_parsing_conditionalized_out;

  /* If parsing is turned off, then nothing can turn it back on except
     for finding the matching endif.  In that case, return right now. */
  if (_rl_parsing_conditionalized_out)
    return 0;

  llen = strlen (args);

  /* Isolate first argument. */
  for (i = 0; args[i] && !whitespace (args[i]); i++);

  if (args[i])
    args[i++] = '\0';

  /* Handle "$if term=foo" and "$if mode=emacs" constructs.  If this
     isn't term=foo, or mode=emacs, then check to see if the first
     word in ARGS is the same as the value stored in rl_readline_name. */
  if (rl_terminal_name && _rl_strnicmp (args, "term=", 5) == 0)
    {
      char *tem, *tname;

      /* Terminals like "aaa-60" are equivalent to "aaa". */
      tname = savestring (rl_terminal_name);
      tem = strchr (tname, '-');
      if (tem)
	*tem = '\0';

      /* Test the `long' and `short' forms of the terminal name so that
	 if someone has a `sun-cmd' and does not want to have bindings
	 that will be executed if the terminal is a `sun', they can put
	 `$if term=sun-cmd' into their .inputrc. */
      _rl_parsing_conditionalized_out = _rl_stricmp (args + 5, tname) &&
					_rl_stricmp (args + 5, rl_terminal_name);
      xfree (tname);
    }
#if defined (VI_MODE)
  else if (_rl_strnicmp (args, "mode=", 5) == 0)
    {
      int mode;

      if (_rl_stricmp (args + 5, "emacs") == 0)
	mode = emacs_mode;
      else if (_rl_stricmp (args + 5, "vi") == 0)
	mode = vi_mode;
      else
	mode = no_mode;

      _rl_parsing_conditionalized_out = mode != rl_editing_mode;
    }
#endif /* VI_MODE */
  else if (_rl_strnicmp (args, "version", 7) == 0)
    {
      int rlversion, versionarg, op, previ, major, minor, opresult;

      _rl_parsing_conditionalized_out = 1;
      rlversion = RL_VERSION_MAJOR*10 + RL_VERSION_MINOR;
      /* if "version" is separated from the operator by whitespace, or the
         operand is separated from the operator by whitespace, restore it.
         We're more liberal with allowed whitespace for this variable. */
      if (i > 0 && i <= llen && args[i-1] == '\0')
        args[i-1] = ' ';
      args[llen] = '\0';		/* just in case */
      for (i = 7; whitespace (args[i]); i++)
	;
      if (OPSTART(args[i]) == 0)
	{
	  _rl_init_file_error ("comparison operator expected, found `%s'", args[i] ? args + i : "end-of-line");
	  return 0;
	}
      previ = i;
      op = parse_comparison_op (args, &i);
      if (op <= 0)
	{
	  _rl_init_file_error ("comparison operator expected, found `%s'", args+previ);
	  return 0;
	}
      for ( ; args[i] && whitespace (args[i]); i++)
	;
      if (args[i] == 0 || _rl_digit_p (args[i]) == 0)
	{
	  _rl_init_file_error ("numeric argument expected, found `%s'", args+i);
	  return 0;
	}
      major = minor = 0;
      previ = i;
      for ( ; args[i] && _rl_digit_p (args[i]); i++)
	major = major*10 + _rl_digit_value (args[i]);
      if (args[i] == '.')
	{
	  if (args[i + 1] && _rl_digit_p (args [i + 1]) == 0)
	    {
	      _rl_init_file_error ("numeric argument expected, found `%s'", args+previ);
	      return 0;
	    }
	  for (++i; args[i] && _rl_digit_p (args[i]); i++)
	    minor = minor*10 + _rl_digit_value (args[i]);
	}
      /* optional - check for trailing garbage on the line, allow whitespace
	 and a trailing comment */
      previ = i;
      for ( ; args[i] && whitespace (args[i]); i++)
	;
      if (args[i] && args[i] != '#')
	{
	  _rl_init_file_error ("trailing garbage on line: `%s'", args+previ);
	  return 0;
	}
      versionarg = major*10 + minor;

      switch (op)
	{
	case OP_EQ:
 	  opresult = rlversion == versionarg;
	  break;
	case OP_NE:
	  opresult = rlversion != versionarg;
	  break;
	case OP_GT:
	  opresult = rlversion > versionarg;
	  break;
	case OP_GE:
	  opresult = rlversion >= versionarg;
	  break;
	case OP_LT:
	  opresult = rlversion < versionarg;
	  break;
	case OP_LE:
	  opresult = rlversion <= versionarg;
	  break;
	}
      _rl_parsing_conditionalized_out = 1 - opresult;
    }
  /* Check to see if the first word in ARGS is the same as the
     value stored in rl_readline_name. */
  else if (_rl_stricmp (args, rl_readline_name) == 0)
    _rl_parsing_conditionalized_out = 0;
  else if ((boolvar = find_boolean_var (args)) >= 0 || (strvar = find_string_var (args)) >= 0)
    {
      int op, previ;
      size_t vlen;
      const char *vname;
      char *valuearg, *vval, prevc;

      _rl_parsing_conditionalized_out = 1;
      vname = (boolvar >= 0) ? boolean_varname (boolvar) : string_varname (strvar);
      vlen = strlen (vname);
      if (i > 0 && i <= llen && args[i-1] == '\0')
        args[i-1] = ' ';
      args[llen] = '\0';		/* just in case */
      for (i = vlen; whitespace (args[i]); i++)
	;
      if (CMPSTART(args[i]) == 0)
	{
	  _rl_init_file_error ("equality comparison operator expected, found `%s'", args[i] ? args + i : "end-of-line");
	  return 0;
	}
      previ = i;
      op = parse_comparison_op (args, &i);
      if (op != OP_EQ && op != OP_NE)
	{
	  _rl_init_file_error ("equality comparison operator expected, found `%s'", args+previ);
	  return 0;
	}
      for ( ; args[i] && whitespace (args[i]); i++)
	;
      if (args[i] == 0)
	{
	  _rl_init_file_error ("argument expected, found `%s'", args+i);
	  return 0;
	}
      previ = i;
      valuearg = args + i;
      for ( ; args[i] && whitespace (args[i]) == 0; i++)
	;
      prevc = args[i];
      args[i] = '\0';		/* null-terminate valuearg */
      vval = rl_variable_value (vname);
      if (op == OP_EQ)
        _rl_parsing_conditionalized_out = _rl_stricmp (vval, valuearg) != 0;
      else if (op == OP_NE)
        _rl_parsing_conditionalized_out = _rl_stricmp (vval, valuearg) == 0;
      args[i] = prevc;
    }
  else
    _rl_parsing_conditionalized_out = 1;
  return 0;
}

/* Invert the current parser state if there is anything on the stack. */
static int
parser_else (char *args)
{
  register int i;

  if (if_stack_depth == 0)
    {
      _rl_init_file_error ("$else found without matching $if");
      return 0;
    }

#if 0
  /* Check the previous (n - 1) levels of the stack to make sure that
     we haven't previously turned off parsing. */
  for (i = 0; i < if_stack_depth - 1; i++)
#else
  /* Check the previous (n) levels of the stack to make sure that
     we haven't previously turned off parsing. */
  for (i = 0; i < if_stack_depth; i++)
#endif
    if (if_stack[i] == 1)
      return 0;

  /* Invert the state of parsing if at top level. */
  _rl_parsing_conditionalized_out = !_rl_parsing_conditionalized_out;
  return 0;
}

/* Terminate a conditional, popping the value of
   _rl_parsing_conditionalized_out from the stack. */
static int
parser_endif (char *args)
{
  if (if_stack_depth)
    _rl_parsing_conditionalized_out = if_stack[--if_stack_depth];
  else
    _rl_init_file_error ("$endif without matching $if");
  return 0;
}

static int
parser_include (char *args)
{
  const char *old_init_file;
  char *e;
  int old_line_number, old_include_level, r;

  if (_rl_parsing_conditionalized_out)
    return (0);

  old_init_file = current_readline_init_file;
  old_line_number = current_readline_init_lineno;
  old_include_level = current_readline_init_include_level;

  e = strchr (args, '\n');
  if (e)
    *e = '\0';
  r = _rl_read_init_file ((const char *)args, old_include_level + 1);

  current_readline_init_file = old_init_file;
  current_readline_init_lineno = old_line_number;
  current_readline_init_include_level = old_include_level;

  return r;
}
  
/* Associate textual names with actual functions. */
static const struct {
  const char * const name;
  _rl_parser_func_t *function;
} parser_directives [] = {
  { "if", parser_if },
  { "endif", parser_endif },
  { "else", parser_else },
  { "include", parser_include },
  { (char *)0x0, (_rl_parser_func_t *)0x0 }
};

/* Handle a parser directive.  STATEMENT is the line of the directive
   without any leading `$'. */
static int
handle_parser_directive (char *statement)
{
  register int i;
  char *directive, *args;

  /* Isolate the actual directive. */

  /* Skip whitespace. */
  for (i = 0; whitespace (statement[i]); i++);

  directive = &statement[i];

  for (; statement[i] && !whitespace (statement[i]); i++);

  if (statement[i])
    statement[i++] = '\0';

  for (; statement[i] && whitespace (statement[i]); i++);

  args = &statement[i];

  /* Lookup the command, and act on it. */
  for (i = 0; parser_directives[i].name; i++)
    if (_rl_stricmp (directive, parser_directives[i].name) == 0)
      {
	(*parser_directives[i].function) (args);
	return (0);
      }

  /* display an error message about the unknown parser directive */
  _rl_init_file_error ("%s: unknown parser directive", directive);
  return (1);
}

/* Start at STRING[START] and look for DELIM.  Return I where STRING[I] ==
   DELIM or STRING[I] == 0.  DELIM is usually a double quote. */
static int
_rl_skip_to_delim (char *string, int start, int delim)
{
  int i, c, passc;

  for (i = start,passc = 0; c = string[i]; i++)
    {
      if (passc)
	{
	  passc = 0;
	  if (c == 0)
	    break;
	  continue;
	}

      if (c == '\\')
	{
	  passc = 1;
	  continue;
	}

      if (c == delim)
	break;
    }

  return i;
}

/* Read the binding command from STRING and perform it.
   A key binding command looks like: Keyname: function-name\0,
   a variable binding command looks like: set variable value.
   A new-style keybinding looks like "\C-x\C-x": exchange-point-and-mark. */
int
rl_parse_and_bind (char *string)
{
  char *funname, *kname;
  register int c, i;
  int key, equivalency, foundmod, foundsep;

  while (string && whitespace (*string))
    string++;

  if (string == 0 || *string == 0 || *string == '#')
    return 0;

  /* If this is a parser directive, act on it. */
  if (*string == '$')
    {
      handle_parser_directive (&string[1]);
      return 0;
    }

  /* If we aren't supposed to be parsing right now, then we're done. */
  if (_rl_parsing_conditionalized_out)
    return 0;

  i = 0;
  /* If this keyname is a complex key expression surrounded by quotes,
     advance to after the matching close quote.  This code allows the
     backslash to quote characters in the key expression. */
  if (*string == '"')
    {
      i = _rl_skip_to_delim (string, 1, '"');

      /* If we didn't find a closing quote, abort the line. */
      if (string[i] == '\0')
        {
          _rl_init_file_error ("%s: no closing `\"' in key binding", string);
          return 1;
        }
      else
        i++;	/* skip past closing double quote */
    }

  /* Advance to the colon (:) or whitespace which separates the two objects. */
  for (; (c = string[i]) && c != ':' && c != ' ' && c != '\t'; i++ );

  if (i == 0)
    {
      _rl_init_file_error ("`%s': invalid key binding: missing key sequence", string);
      return 1;
    }

  equivalency = (c == ':' && string[i + 1] == '=');

  foundsep = c != 0;

  /* Mark the end of the command (or keyname). */
  if (string[i])
    string[i++] = '\0';

  /* If doing assignment, skip the '=' sign as well. */
  if (equivalency)
    string[i++] = '\0';

  /* If this is a command to set a variable, then do that. */
  if (_rl_stricmp (string, "set") == 0)
    {
      char *var, *value, *e;
      int s;

      var = string + i;
      /* Make VAR point to start of variable name. */
      while (*var && whitespace (*var)) var++;

      /* Make VALUE point to start of value string. */
      value = var;
      while (*value && whitespace (*value) == 0) value++;
      if (*value)
	*value++ = '\0';
      while (*value && whitespace (*value)) value++;

      /* Strip trailing whitespace from values of boolean variables. */
      if (find_boolean_var (var) >= 0)
	{
	  /* just read a whitespace-delimited word or empty string */
	  for (e = value; *e && whitespace (*e) == 0; e++)
	    ;
	  if (e > value)
	    *e = '\0';		/* cut off everything trailing */
	}
      else if ((i = find_string_var (var)) >= 0)
	{
	  /* Allow quoted strings in variable values */
	  if (*value == '"')
	    {
	      i = _rl_skip_to_delim (value, 1, *value);
	      value[i] = '\0';
	      value++;	/* skip past the quote */
	    }
	  else
	    {
	      /* remove trailing whitespace */
	      e = value + strlen (value) - 1;
	      while (e >= value && whitespace (*e))
		e--;
	      e++;		/* skip back to whitespace or EOS */
	  
	      if (*e && e >= value)
		*e = '\0';
	    }
	}
      else
	{
	  /* avoid calling rl_variable_bind just to find this out */
	  _rl_init_file_error ("%s: unknown variable name", var);
	  return 1;
	}

      rl_variable_bind (var, value);
      return 0;
    }

  /* Skip any whitespace between keyname and funname. */
  for (; string[i] && whitespace (string[i]); i++);
  funname = &string[i];

  /* Now isolate funname.
     For straight function names just look for whitespace, since
     that will signify the end of the string.  But this could be a
     macro definition.  In that case, the string is quoted, so skip
     to the matching delimiter.  We allow the backslash to quote the
     delimiter characters in the macro body. */
  /* This code exists to allow whitespace in macro expansions, which
     would otherwise be gobbled up by the next `for' loop.*/
  /* XXX - it may be desirable to allow backslash quoting only if " is
     the quoted string delimiter, like the shell. */
  if (*funname == '\'' || *funname == '"')
    {
      i = _rl_skip_to_delim (string, i+1, *funname);
      if (string[i])
	i++;
      else
	{
	  _rl_init_file_error ("`%s': missing closing quote for macro", funname);
	  return 1;
	}
    }

  /* Advance to the end of the string.  */
  for (; string[i] && whitespace (string[i]) == 0; i++);

  /* No extra whitespace at the end of the string. */
  string[i] = '\0';

  /* Handle equivalency bindings here.  Make the left-hand side be exactly
     whatever the right-hand evaluates to, including keymaps. */
  if (equivalency)
    {
      return 0;
    }

  if (foundsep == 0)
    {
      _rl_init_file_error ("%s: no key sequence terminator", string);
      return 1;
    }

  /* If this is a new-style key-binding, then do the binding with
     rl_bind_keyseq ().  Otherwise, let the older code deal with it. */
  if (*string == '"')
    {
      char *seq;
      register int j, k, passc;

      seq = (char *)xmalloc (1 + strlen (string));
      for (j = 1, k = passc = 0; string[j]; j++)
	{
	  /* Allow backslash to quote characters, but leave them in place.
	     This allows a string to end with a backslash quoting another
	     backslash, or with a backslash quoting a double quote.  The
	     backslashes are left in place for rl_translate_keyseq (). */
	  if (passc || (string[j] == '\\'))
	    {
	      seq[k++] = string[j];
	      passc = !passc;
	      continue;
	    }

	  if (string[j] == '"')
	    break;

	  seq[k++] = string[j];
	}
      seq[k] = '\0';

      /* Binding macro? */
      if (*funname == '\'' || *funname == '"')
	{
	  j = strlen (funname);

	  /* Remove the delimiting quotes from each end of FUNNAME. */
	  if (j && funname[j - 1] == *funname)
	    funname[j - 1] = '\0';

	  rl_macro_bind (seq, &funname[1], _rl_keymap);
	}
      else
	rl_bind_keyseq (seq, rl_named_function (funname));

      xfree (seq);
      return 0;
    }

  /* Get the actual character we want to deal with. */
  kname = strrchr (string, '-');
  if (kname == 0)
    kname = string;
  else
    kname++;

  key = glean_key_from_name (kname);

  /* Add in control and meta bits. */
  foundmod = 0;
  if (substring_member_of_array (string, _rl_possible_control_prefixes))
    {
      key = CTRL (_rl_to_upper (key));
      foundmod = 1;
    }

  if (substring_member_of_array (string, _rl_possible_meta_prefixes))
    {
      key = META (key);
      foundmod = 1;
    }

  if (foundmod == 0 && kname != string)
    {
      _rl_init_file_error ("%s: unknown key modifier", string);
      return 1;
    }

  /* Temporary.  Handle old-style keyname with macro-binding. */
  if (*funname == '\'' || *funname == '"')
    {
      char useq[2];
      int fl = strlen (funname);

      useq[0] = key; useq[1] = '\0';
      if (fl && funname[fl - 1] == *funname)
	funname[fl - 1] = '\0';

      rl_macro_bind (useq, &funname[1], _rl_keymap);
    }
#if defined (PREFIX_META_HACK)
  /* Ugly, but working hack to keep prefix-meta around. */
  else if (_rl_stricmp (funname, "prefix-meta") == 0)
    {
      char seq[2];

      seq[0] = key;
      seq[1] = '\0';
      rl_generic_bind (ISKMAP, seq, (char *)emacs_meta_keymap, _rl_keymap);
    }
#endif /* PREFIX_META_HACK */
  else
    rl_bind_key (key, rl_named_function (funname));

  return 0;
}

/* Simple structure for boolean readline variables (i.e., those that can
   have one of two values; either "On" or 1 for truth, or "Off" or 0 for
   false. */

#define V_SPECIAL	0x1

static const struct {
  const char * const name;
  int *value;
  int flags;
} boolean_varlist [] = {
  { "bind-tty-special-chars",	&_rl_bind_stty_chars,		0 },
  { "blink-matching-paren",	&rl_blink_matching_paren,	V_SPECIAL },
  { "byte-oriented",		&rl_byte_oriented,		0 },
#if defined (COLOR_SUPPORT)
  { "colored-completion-prefix",&_rl_colored_completion_prefix,	0 },
  { "colored-stats",		&_rl_colored_stats,		0 },
#endif
  { "completion-ignore-case",	&_rl_completion_case_fold,	0 },
  { "completion-map-case",	&_rl_completion_case_map,	0 },
  { "convert-meta",		&_rl_convert_meta_chars_to_ascii, 0 },
  { "disable-completion",	&rl_inhibit_completion,		0 },
  { "echo-control-characters",	&_rl_echo_control_chars,	0 },
  { "enable-active-region",	&_rl_enable_active_region,	0 },
  { "enable-bracketed-paste",	&_rl_enable_bracketed_paste,	V_SPECIAL },
  { "enable-keypad",		&_rl_enable_keypad,		0 },
  { "enable-meta-key",		&_rl_enable_meta,		0 },
  { "expand-tilde",		&rl_complete_with_tilde_expansion, 0 },
  { "history-preserve-point",	&_rl_history_preserve_point,	0 },
  { "horizontal-scroll-mode",	&_rl_horizontal_scroll_mode,	0 },
  { "input-meta",		&_rl_meta_flag,			0 },
  { "mark-directories",		&_rl_complete_mark_directories,	0 },
  { "mark-modified-lines",	&_rl_mark_modified_lines,	0 },
  { "mark-symlinked-directories", &_rl_complete_mark_symlink_dirs, 0 },
  { "match-hidden-files",	&_rl_match_hidden_files,	0 },
  { "menu-complete-display-prefix", &_rl_menu_complete_prefix_first, 0 },
  { "meta-flag",		&_rl_meta_flag,			0 },
  { "output-meta",		&_rl_output_meta_chars,		0 },
  { "page-completions",		&_rl_page_completions,		0 },
  { "prefer-visible-bell",	&_rl_prefer_visible_bell,	V_SPECIAL },
  { "print-completions-horizontally", &_rl_print_completions_horizontally, 0 },
  { "revert-all-at-newline",	&_rl_revert_all_at_newline,	0 },
  { "show-all-if-ambiguous",	&_rl_complete_show_all,		0 },
  { "show-all-if-unmodified",	&_rl_complete_show_unmodified,	0 },
  { "show-mode-in-prompt",	&_rl_show_mode_in_prompt,	0 },
  { "skip-completed-text",	&_rl_skip_completed_text,	0 },
#if defined (VISIBLE_STATS)
  { "visible-stats",		&rl_visible_stats,		0 },
#endif /* VISIBLE_STATS */
  { (char *)NULL, (int *)NULL, 0 }
};

static int
find_boolean_var (const char *name)
{
  register int i;

  for (i = 0; boolean_varlist[i].name; i++)
    if (_rl_stricmp (name, boolean_varlist[i].name) == 0)
      return i;
  return -1;
}

static const char *
boolean_varname (int i)
{
  return ((i >= 0) ? boolean_varlist[i].name : (char *)NULL);
}  

/* Hooks for handling special boolean variables, where a
   function needs to be called or another variable needs
   to be changed when they're changed. */
static void
hack_special_boolean_var (int i)
{
  const char *name;

  name = boolean_varlist[i].name;

  if (_rl_stricmp (name, "blink-matching-paren") == 0)
    _rl_enable_paren_matching (rl_blink_matching_paren);
  else if (_rl_stricmp (name, "prefer-visible-bell") == 0)
    {
      if (_rl_prefer_visible_bell)
	_rl_bell_preference = VISIBLE_BELL;
      else
	_rl_bell_preference = AUDIBLE_BELL;
    }
  else if (_rl_stricmp (name, "show-mode-in-prompt") == 0)
    _rl_reset_prompt ();
  else if (_rl_stricmp (name, "enable-bracketed-paste") == 0)
    _rl_enable_active_region = _rl_enable_bracketed_paste;
}

typedef int _rl_sv_func_t (const char *);

/* These *must* correspond to the array indices for the appropriate
   string variable.  (Though they're not used right now.) */
#define V_BELLSTYLE	0
#define V_COMBEGIN	1
#define V_EDITMODE	2
#define V_ISRCHTERM	3
#define V_KEYMAP	4

#define	V_STRING	1
#define V_INT		2

/* Forward declarations */
static int sv_region_start_color (const char *);
static int sv_region_end_color (const char *);
static int sv_bell_style (const char *);
static int sv_combegin (const char *);
static int sv_dispprefix (const char *);
static int sv_compquery (const char *);
static int sv_compwidth (const char *);
static int sv_editmode (const char *);
static int sv_emacs_modestr (const char *);
static int sv_histsize (const char *);
static int sv_isrchterm (const char *);
static int sv_keymap (const char *);
static int sv_seqtimeout (const char *);
static int sv_viins_modestr (const char *);
static int sv_vicmd_modestr (const char *);

static const struct {
  const char * const name;
  int flags;
  _rl_sv_func_t *set_func;
} string_varlist[] = {
  { "active-region-end-color", V_STRING, sv_region_end_color },
  { "active-region-start-color", V_STRING, sv_region_start_color },
  { "bell-style",	V_STRING,	sv_bell_style },
  { "comment-begin",	V_STRING,	sv_combegin },
  { "completion-display-width", V_INT,	sv_compwidth },
  { "completion-prefix-display-length", V_INT,	sv_dispprefix },
  { "completion-query-items", V_INT,	sv_compquery },
  { "editing-mode",	V_STRING,	sv_editmode },
  { "emacs-mode-string", V_STRING,	sv_emacs_modestr },  
  { "history-size",	V_INT,		sv_histsize },
  { "isearch-terminators", V_STRING,	sv_isrchterm },
  { "keymap",		V_STRING,	sv_keymap },
  { "keyseq-timeout",	V_INT,		sv_seqtimeout },
  { "vi-cmd-mode-string", V_STRING,	sv_vicmd_modestr }, 
  { "vi-ins-mode-string", V_STRING,	sv_viins_modestr }, 
  { (char *)NULL,	0, (_rl_sv_func_t *)0 }
};

static int
find_string_var (const char *name)
{
  register int i;

  for (i = 0; string_varlist[i].name; i++)
    if (_rl_stricmp (name, string_varlist[i].name) == 0)
      return i;
  return -1;
}

static const char *
string_varname (int i)
{
  return ((i >= 0) ? string_varlist[i].name : (char *)NULL);
}  

/* A boolean value that can appear in a `set variable' command is true if
   the value is null or empty, `on' (case-insensitive), or "1".  All other
   values result in 0 (false). */
static int
bool_to_int (const char *value)
{
  return (value == 0 || *value == '\0' ||
		(_rl_stricmp (value, "on") == 0) ||
		(value[0] == '1' && value[1] == '\0'));
}

char *
rl_variable_value (const char *name)
{
  register int i;

  /* Check for simple variables first. */
  i = find_boolean_var (name);
  if (i >= 0)
    return (*boolean_varlist[i].value ? "on" : "off");

  i = find_string_var (name);
  if (i >= 0)
    return (_rl_get_string_variable_value (string_varlist[i].name));

  /* Unknown variable names return NULL. */
  return (char *)NULL;
}

int
rl_variable_bind (const char *name, const char *value)
{
  register int i;
  int	v;

  /* Check for simple variables first. */
  i = find_boolean_var (name);
  if (i >= 0)
    {
      *boolean_varlist[i].value = bool_to_int (value);
      if (boolean_varlist[i].flags & V_SPECIAL)
	hack_special_boolean_var (i);
      return 0;
    }

  i = find_string_var (name);

  /* For the time being, string names without a handler function are simply
     ignored. */
  if (i < 0 || string_varlist[i].set_func == 0)
    {
      if (i < 0)
	_rl_init_file_error ("%s: unknown variable name", name);
      return 0;
    }

  v = (*string_varlist[i].set_func) (value);
  if (v != 0)
    _rl_init_file_error ("%s: could not set value to `%s'", name, value);
  return v;
}

static int
sv_editmode (const char *value)
{
  if (_rl_strnicmp (value, "vi", 2) == 0)
    {
#if defined (VI_MODE)
      _rl_keymap = vi_insertion_keymap;
      rl_editing_mode = vi_mode;
#endif /* VI_MODE */
      return 0;
    }
  else if (_rl_strnicmp (value, "emacs", 5) == 0)
    {
      _rl_keymap = emacs_standard_keymap;
      rl_editing_mode = emacs_mode;
      return 0;
    }
  return 1;
}

static int
sv_combegin (const char *value)
{
  if (value && *value)
    {
      FREE (_rl_comment_begin);
      _rl_comment_begin = savestring (value);
      return 0;
    }
  return 1;
}

static int
sv_dispprefix (const char *value)
{
  int nval = 0;

  if (value && *value)
    {
      nval = atoi (value);
      if (nval < 0)
	nval = 0;
    }
  _rl_completion_prefix_display_length = nval;
  return 0;
}

static int
sv_compquery (const char *value)
{
  int nval = 100;

  if (value && *value)
    {
      nval = atoi (value);
      if (nval < 0)
	nval = 0;
    }
  rl_completion_query_items = nval;
  return 0;
}

static int
sv_compwidth (const char *value)
{
  int nval = -1;

  if (value && *value)
    nval = atoi (value);

  _rl_completion_columns = nval;
  return 0;
}

static int
sv_histsize (const char *value)
{
  int nval;

  nval = 500;
  if (value && *value)
    {
      nval = atoi (value);
      if (nval < 0)
	{
	  unstifle_history ();
	  return 0;
	}
    }
  stifle_history (nval);
  return 0;
}

static int
sv_keymap (const char *value)
{
  Keymap kmap;

  kmap = rl_get_keymap_by_name (value);
  if (kmap)
    {
      rl_set_keymap (kmap);
      return 0;
    }
  return 1;
}

static int
sv_seqtimeout (const char *value)
{
  int nval;

  nval = 0;
  if (value && *value)
    {
      nval = atoi (value);
      if (nval < 0)
	nval = 0;
    }
  _rl_keyseq_timeout = nval;
  return 0;
}

static int
sv_region_start_color (const char *value)
{
  return (_rl_reset_region_color (0, value));
}

static int
sv_region_end_color (const char *value)
{
  return (_rl_reset_region_color (1, value));
}

static int
sv_bell_style (const char *value)
{
  if (value == 0 || *value == '\0')
    _rl_bell_preference = AUDIBLE_BELL;
  else if (_rl_stricmp (value, "none") == 0 || _rl_stricmp (value, "off") == 0)
    _rl_bell_preference = NO_BELL;
  else if (_rl_stricmp (value, "audible") == 0 || _rl_stricmp (value, "on") == 0)
    _rl_bell_preference = AUDIBLE_BELL;
  else if (_rl_stricmp (value, "visible") == 0)
    _rl_bell_preference = VISIBLE_BELL;
  else
    return 1;
  return 0;
}

static int
sv_isrchterm (const char *value)
{
  int beg, end, delim;
  char *v;

  if (value == 0)
    return 1;

  /* Isolate the value and translate it into a character string. */
  v = savestring (value);
  FREE (_rl_isearch_terminators);
  if (v[0] == '"' || v[0] == '\'')
    {
      delim = v[0];
      for (beg = end = 1; v[end] && v[end] != delim; end++)
	;
    }
  else
    {
      for (beg = end = 0; v[end] && whitespace (v[end]) == 0; end++)
	;
    }

  v[end] = '\0';

  /* The value starts at v + beg.  Translate it into a character string. */
  _rl_isearch_terminators = (char *)xmalloc (2 * strlen (v) + 1);
  rl_translate_keyseq (v + beg, _rl_isearch_terminators, &end);
  _rl_isearch_terminators[end] = '\0';

  xfree (v);
  return 0;
}

extern char *_rl_emacs_mode_str;

static int
sv_emacs_modestr (const char *value)
{
  if (value && *value)
    {
      FREE (_rl_emacs_mode_str);
      _rl_emacs_mode_str = (char *)xmalloc (2 * strlen (value) + 1);
      rl_translate_keyseq (value, _rl_emacs_mode_str, &_rl_emacs_modestr_len);
      _rl_emacs_mode_str[_rl_emacs_modestr_len] = '\0';
      return 0;
    }
  else if (value)
    {
      FREE (_rl_emacs_mode_str);
      _rl_emacs_mode_str = (char *)xmalloc (1);
      _rl_emacs_mode_str[_rl_emacs_modestr_len = 0] = '\0';
      return 0;
    }
  else if (value == 0)
    {
      FREE (_rl_emacs_mode_str);
      _rl_emacs_mode_str = 0;	/* prompt_modestr does the right thing */
      _rl_emacs_modestr_len = 0;
      return 0;
    }
  return 1;
}

static int
sv_viins_modestr (const char *value)
{
  if (value && *value)
    {
      FREE (_rl_vi_ins_mode_str);
      _rl_vi_ins_mode_str = (char *)xmalloc (2 * strlen (value) + 1);
      rl_translate_keyseq (value, _rl_vi_ins_mode_str, &_rl_vi_ins_modestr_len);
      _rl_vi_ins_mode_str[_rl_vi_ins_modestr_len] = '\0';
      return 0;
    }
  else if (value)
    {
      FREE (_rl_vi_ins_mode_str);
      _rl_vi_ins_mode_str = (char *)xmalloc (1);
      _rl_vi_ins_mode_str[_rl_vi_ins_modestr_len = 0] = '\0';
      return 0;
    }
  else if (value == 0)
    {
      FREE (_rl_vi_ins_mode_str);
      _rl_vi_ins_mode_str = 0;	/* prompt_modestr does the right thing */
      _rl_vi_ins_modestr_len = 0;
      return 0;
    }
  return 1;
}

static int
sv_vicmd_modestr (const char *value)
{
  if (value && *value)
    {
      FREE (_rl_vi_cmd_mode_str);
      _rl_vi_cmd_mode_str = (char *)xmalloc (2 * strlen (value) + 1);
      rl_translate_keyseq (value, _rl_vi_cmd_mode_str, &_rl_vi_cmd_modestr_len);
      _rl_vi_cmd_mode_str[_rl_vi_cmd_modestr_len] = '\0';
      return 0;
    }
  else if (value)
    {
      FREE (_rl_vi_cmd_mode_str);
      _rl_vi_cmd_mode_str = (char *)xmalloc (1);
      _rl_vi_cmd_mode_str[_rl_vi_cmd_modestr_len = 0] = '\0';
      return 0;
    }
  else if (value == 0)
    {
      FREE (_rl_vi_cmd_mode_str);
      _rl_vi_cmd_mode_str = 0;	/* prompt_modestr does the right thing */
      _rl_vi_cmd_modestr_len = 0;
      return 0;
    }
  return 1;
}

/* Return the character which matches NAME.
   For example, `Space' returns ' '. */

typedef struct {
  const char * const name;
  int value;
} assoc_list;

static const assoc_list name_key_alist[] = {
  { "DEL", 0x7f },
  { "ESC", '\033' },
  { "Escape", '\033' },
  { "LFD", '\n' },
  { "Newline", '\n' },
  { "RET", '\r' },
  { "Return", '\r' },
  { "Rubout", 0x7f },
  { "SPC", ' ' },
  { "Space", ' ' },
  { "Tab", 0x09 },
  { (char *)0x0, 0 }
};

static int
glean_key_from_name (char *name)
{
  register int i;

  for (i = 0; name_key_alist[i].name; i++)
    if (_rl_stricmp (name, name_key_alist[i].name) == 0)
      return (name_key_alist[i].value);

  return (*(unsigned char *)name);	/* XXX was return (*name) */
}

/* Auxiliary functions to manage keymaps. */
struct name_and_keymap {
  char *name;
  Keymap map;
};

static struct name_and_keymap builtin_keymap_names[] = {
  { "emacs", emacs_standard_keymap },
  { "emacs-standard", emacs_standard_keymap },
  { "emacs-meta", emacs_meta_keymap },
  { "emacs-ctlx", emacs_ctlx_keymap },
#if defined (VI_MODE)
  { "vi", vi_movement_keymap },
  { "vi-move", vi_movement_keymap },
  { "vi-command", vi_movement_keymap },
  { "vi-insert", vi_insertion_keymap },
#endif /* VI_MODE */
  { (char *)0x0, (Keymap)0x0 }
};

/* -1 for NULL entry */
#define NUM_BUILTIN_KEYMAPS (sizeof (builtin_keymap_names) / sizeof (builtin_keymap_names[0]) - 1)

static struct name_and_keymap *keymap_names = builtin_keymap_names;

static int
_rl_get_keymap_by_name (const char *name)
{
  register int i;

  for (i = 0; keymap_names[i].name; i++)
    if (_rl_stricmp (name, keymap_names[i].name) == 0)
      return (i);
  return -1;
}

Keymap
rl_get_keymap_by_name (const char *name)
{
  int i;

  i = _rl_get_keymap_by_name (name);
  return ((i >= 0) ? keymap_names[i].map : (Keymap) NULL);
}

static int
_rl_get_keymap_by_map (Keymap map)
{
  register int i;

  for (i = 0; keymap_names[i].name; i++)
    if (map == keymap_names[i].map)
      return (i);
  return -1;
}

char *
rl_get_keymap_name (Keymap map)
{
  int i;

  i = _rl_get_keymap_by_map (map);
  return ((i >= 0) ? keymap_names[i].name : (char *)NULL);
}

int
rl_set_keymap_name (const char *name, Keymap map)
{
  int i, ni, mi;

  /* First check whether or not we're trying to rename a builtin keymap */
  mi = _rl_get_keymap_by_map (map);
  if (mi >= 0 && mi < NUM_BUILTIN_KEYMAPS)
    return -1;

  /* Then reject attempts to set one of the builtin names to a new map */
  ni = _rl_get_keymap_by_name (name);
  if (ni >= 0 && ni < NUM_BUILTIN_KEYMAPS)
    return -1;

  /* Renaming a keymap we already added */
  if (mi >= 0)	/* XXX - could be >= NUM_BUILTIN_KEYMAPS */
    {
      xfree (keymap_names[mi].name);
      keymap_names[mi].name = savestring (name);
      return mi;
    }

  /* Associating new keymap with existing name */
  if (ni >= 0)
    {
      keymap_names[ni].map = map;
      return ni;
    }

  for (i = 0; keymap_names[i].name; i++)
    ;

  if (keymap_names == builtin_keymap_names)
    {
      keymap_names = xmalloc ((i + 2) * sizeof (struct name_and_keymap));
      memcpy (keymap_names, builtin_keymap_names, i * sizeof (struct name_and_keymap));
    }
  else
    keymap_names = xrealloc (keymap_names, (i + 2) * sizeof (struct name_and_keymap));

  keymap_names[i].name = savestring (name);
  keymap_names[i].map = map;

  keymap_names[i+1].name = NULL;
  keymap_names[i+1].map = NULL;

  return i;
}

void
rl_set_keymap (Keymap map)
{
  if (map)
    _rl_keymap = map;
}

Keymap
rl_get_keymap (void)
{
  return (_rl_keymap);
}

void
rl_set_keymap_from_edit_mode (void)
{
  if (rl_editing_mode == emacs_mode)
    _rl_keymap = emacs_standard_keymap;
#if defined (VI_MODE)
  else if (rl_editing_mode == vi_mode)
    _rl_keymap = vi_insertion_keymap;
#endif /* VI_MODE */
}

char *
rl_get_keymap_name_from_edit_mode (void)
{
  if (rl_editing_mode == emacs_mode)
    return "emacs";
#if defined (VI_MODE)
  else if (rl_editing_mode == vi_mode)
    return "vi";
#endif /* VI_MODE */
  else
    return "none";
}

/* **************************************************************** */
/*								    */
/*		  Key Binding and Function Information		    */
/*								    */
/* **************************************************************** */

/* Each of the following functions produces information about the
   state of keybindings and functions known to Readline.  The info
   is always printed to rl_outstream, and in such a way that it can
   be read back in (i.e., passed to rl_parse_and_bind ()). */

/* Print the names of functions known to Readline. */
void
rl_list_funmap_names (void)
{
  register int i;
  const char **funmap_names;

  funmap_names = rl_funmap_names ();

  if (!funmap_names)
    return;

  for (i = 0; funmap_names[i]; i++)
    fprintf (rl_outstream, "%s\n", funmap_names[i]);

  xfree (funmap_names);
}

static char *
_rl_get_keyname (int key)
{
  char *keyname;
  int i, c;

  keyname = (char *)xmalloc (8);

  c = key;
  /* Since this is going to be used to write out keysequence-function
     pairs for possible inclusion in an inputrc file, we don't want to
     do any special meta processing on KEY. */

#if 1
  /* XXX - Experimental */
  /* We might want to do this, but the old version of the code did not. */

  /* If this is an escape character, we don't want to do any more processing.
     Just add the special ESC key sequence and return. */
  if (c == ESC)
    {
      keyname[0] = '\\';
      keyname[1] = 'e';
      keyname[2] = '\0';
      return keyname;
    }
#endif

  /* RUBOUT is translated directly into \C-? */
  if (key == RUBOUT)
    {
      keyname[0] = '\\';
      keyname[1] = 'C';
      keyname[2] = '-';
      keyname[3] = '?';
      keyname[4] = '\0';
      return keyname;
    }

  i = 0;
  /* Now add special prefixes needed for control characters.  This can
     potentially change C. */
  if (CTRL_CHAR (c))
    {
      keyname[i++] = '\\';
      keyname[i++] = 'C';
      keyname[i++] = '-';
      c = _rl_to_lower (UNCTRL (c));
    }

  /* XXX experimental code.  Turn the characters that are not ASCII or
     ISO Latin 1 (128 - 159) into octal escape sequences (\200 - \237).
     This changes C. */
  if (c >= 128 && c <= 159)
    {
      keyname[i++] = '\\';
      keyname[i++] = '2';
      c -= 128;
      keyname[i++] = (c / 8) + '0';
      c = (c % 8) + '0';
    }
  /* These characters are valid UTF-8; convert them into octal escape
     sequences as well. This changes C. */
  else if (c >= 160)
    {
      keyname[i++] = '\\';
      keyname[i++] = '0' + ((((unsigned char)c) >> 6) & 0x07);
      keyname[i++] = '0' + ((((unsigned char)c) >> 3) & 0x07);
      c = (c % 8) + '0';
    }

  /* Now, if the character needs to be quoted with a backslash, do that. */
  if (c == '\\' || c == '"')
    keyname[i++] = '\\';

  /* Now add the key, terminate the string, and return it. */
  keyname[i++] = (char) c;
  keyname[i] = '\0';

  return keyname;
}

/* Return a NULL terminated array of strings which represent the key
   sequences that are used to invoke FUNCTION in MAP. */
char **
rl_invoking_keyseqs_in_map (rl_command_func_t *function, Keymap map)
{
  register int key;
  char **result;
  int result_index, result_size;

  result = (char **)NULL;
  result_index = result_size = 0;

  for (key = 0; key < KEYMAP_SIZE; key++)
    {
      switch (map[key].type)
	{
	case ISMACR:
	  /* Macros match, if, and only if, the pointers are identical.
	     Thus, they are treated exactly like functions in here. */
	case ISFUNC:
	  /* If the function in the keymap is the one we are looking for,
	     then add the current KEY to the list of invoking keys. */
	  if (map[key].function == function)
	    {
	      char *keyname;

	      keyname = _rl_get_keyname (key);

	      if (result_index + 2 > result_size)
	        {
	          result_size += 10;
		  result = (char **)xrealloc (result, result_size * sizeof (char *));
	        }

	      result[result_index++] = keyname;
	      result[result_index] = (char *)NULL;
	    }
	  break;

	case ISKMAP:
	  {
	    char **seqs;
	    register int i;

	    /* Find the list of keyseqs in this map which have FUNCTION as
	       their target.  Add the key sequences found to RESULT. */
	    if (map[key].function)
	      seqs =
	        rl_invoking_keyseqs_in_map (function, FUNCTION_TO_KEYMAP (map, key));
	    else
	      break;

	    if (seqs == 0)
	      break;

	    for (i = 0; seqs[i]; i++)
	      {
		char *keyname = (char *)xmalloc (6 + strlen (seqs[i]));

		if (key == ESC)
		  {
		    /* If ESC is the meta prefix and we're converting chars
		       with the eighth bit set to ESC-prefixed sequences, then
		       we can use \M-.  Otherwise we need to use the sequence
		       for ESC. */
		    if (_rl_convert_meta_chars_to_ascii && map[ESC].type == ISKMAP)
		      sprintf (keyname, "\\M-");
		    else
		      sprintf (keyname, "\\e");
		  }
		else
		  {
		    int c = key, l = 0;
		    if (CTRL_CHAR (c) || c == RUBOUT)
		      {
			keyname[l++] = '\\';
			keyname[l++] = 'C';
			keyname[l++] = '-';
			c = (c == RUBOUT) ? '?' : _rl_to_lower (UNCTRL (c));
		      }

		    if (c == '\\' || c == '"')
		      keyname[l++] = '\\';

		    keyname[l++] = (char) c;
		    keyname[l++] = '\0';
		  }
		
		strcat (keyname, seqs[i]);
		xfree (seqs[i]);

		if (result_index + 2 > result_size)
		  {
		    result_size += 10;
		    result = (char **)xrealloc (result, result_size * sizeof (char *));
		  }

		result[result_index++] = keyname;
		result[result_index] = (char *)NULL;
	      }

	    xfree (seqs);
	  }
	  break;
	}
    }
  return (result);
}

/* Return a NULL terminated array of strings which represent the key
   sequences that can be used to invoke FUNCTION using the current keymap. */
char **
rl_invoking_keyseqs (rl_command_func_t *function)
{
  return (rl_invoking_keyseqs_in_map (function, _rl_keymap));
}

/* Print all of the functions and their bindings to rl_outstream.  If
   PRINT_READABLY is non-zero, then print the output in such a way
   that it can be read back in. */
void
rl_function_dumper (int print_readably)
{
  register int i;
  const char **names;
  const char *name;

  names = rl_funmap_names ();

  fprintf (rl_outstream, "\n");

  for (i = 0; name = names[i]; i++)
    {
      rl_command_func_t *function;
      char **invokers;

      function = rl_named_function (name);
      invokers = rl_invoking_keyseqs_in_map (function, _rl_keymap);

      if (print_readably)
	{
	  if (!invokers)
	    fprintf (rl_outstream, "# %s (not bound)\n", name);
	  else
	    {
	      register int j;

	      for (j = 0; invokers[j]; j++)
		{
		  fprintf (rl_outstream, "\"%s\": %s\n",
			   invokers[j], name);
		  xfree (invokers[j]);
		}

	      xfree (invokers);
	    }
	}
      else
	{
	  if (!invokers)
	    fprintf (rl_outstream, "%s is not bound to any keys\n",
		     name);
	  else
	    {
	      register int j;

	      fprintf (rl_outstream, "%s can be found on ", name);

	      for (j = 0; invokers[j] && j < 5; j++)
		{
		  fprintf (rl_outstream, "\"%s\"%s", invokers[j],
			   invokers[j + 1] ? ", " : ".\n");
		}

	      if (j == 5 && invokers[j])
		fprintf (rl_outstream, "...\n");

	      for (j = 0; invokers[j]; j++)
		xfree (invokers[j]);

	      xfree (invokers);
	    }
	}
    }

  xfree (names);
}

/* Print all of the current functions and their bindings to
   rl_outstream.  If an explicit argument is given, then print
   the output in such a way that it can be read back in. */
int
rl_dump_functions (int count, int key)
{
  if (rl_dispatching)
    fprintf (rl_outstream, "\r\n");
  rl_function_dumper (rl_explicit_arg);
  rl_on_new_line ();
  return (0);
}

static void
_rl_macro_dumper_internal (int print_readably, Keymap map, char *prefix)
{
  register int key;
  char *keyname, *out;
  int prefix_len;

  for (key = 0; key < KEYMAP_SIZE; key++)
    {
      switch (map[key].type)
	{
	case ISMACR:
	  keyname = _rl_get_keyname (key);
	  out = _rl_untranslate_macro_value ((char *)map[key].function, 0);

	  if (print_readably)
	    fprintf (rl_outstream, "\"%s%s\": \"%s\"\n", prefix ? prefix : "",
						         keyname,
						         out ? out : "");
	  else
	    fprintf (rl_outstream, "%s%s outputs %s\n", prefix ? prefix : "",
							keyname,
							out ? out : "");
	  xfree (keyname);
	  xfree (out);
	  break;
	case ISFUNC:
	  break;
	case ISKMAP:
	  prefix_len = prefix ? strlen (prefix) : 0;
	  if (key == ESC)
	    {
	      keyname = (char *)xmalloc (3 + prefix_len);
	      if (prefix)
		strcpy (keyname, prefix);
	      keyname[prefix_len] = '\\';
	      keyname[prefix_len + 1] = 'e';
	      keyname[prefix_len + 2] = '\0';
	    }
	  else
	    {
	      keyname = _rl_get_keyname (key);
	      if (prefix)
		{
		  out = (char *)xmalloc (strlen (keyname) + prefix_len + 1);
		  strcpy (out, prefix);
		  strcpy (out + prefix_len, keyname);
		  xfree (keyname);
		  keyname = out;
		}
	    }

	  _rl_macro_dumper_internal (print_readably, FUNCTION_TO_KEYMAP (map, key), keyname);
	  xfree (keyname);
	  break;
	}
    }
}

void
rl_macro_dumper (int print_readably)
{
  _rl_macro_dumper_internal (print_readably, _rl_keymap, (char *)NULL);
}

int
rl_dump_macros (int count, int key)
{
  if (rl_dispatching)
    fprintf (rl_outstream, "\r\n");
  rl_macro_dumper (rl_explicit_arg);
  rl_on_new_line ();
  return (0);
}

static char *
_rl_get_string_variable_value (const char *name)
{
  static char numbuf[32];
  char *ret;

  if (_rl_stricmp (name, "bell-style") == 0)
    {
      switch (_rl_bell_preference)
	{
	  case NO_BELL:
	    return "none";
	  case VISIBLE_BELL:
	    return "visible";
	  case AUDIBLE_BELL:
	  default:
	    return "audible";
	}
    }
  else if (_rl_stricmp (name, "comment-begin") == 0)
    return (_rl_comment_begin ? _rl_comment_begin : RL_COMMENT_BEGIN_DEFAULT);
  else if (_rl_stricmp (name, "completion-display-width") == 0)
    {
      sprintf (numbuf, "%d", _rl_completion_columns);
      return (numbuf);
    }
  else if (_rl_stricmp (name, "completion-prefix-display-length") == 0)
    {
      sprintf (numbuf, "%d", _rl_completion_prefix_display_length);
      return (numbuf);
    }
  else if (_rl_stricmp (name, "completion-query-items") == 0)
    {
      sprintf (numbuf, "%d", rl_completion_query_items);
      return (numbuf);
    }
  else if (_rl_stricmp (name, "editing-mode") == 0)
    return (rl_get_keymap_name_from_edit_mode ());
  else if (_rl_stricmp (name, "history-size") == 0)
    {
      sprintf (numbuf, "%d", history_is_stifled() ? history_max_entries : 0);
      return (numbuf);
    }
  else if (_rl_stricmp (name, "isearch-terminators") == 0)
    {
      if (_rl_isearch_terminators == 0)
	return 0;
      ret = _rl_untranslate_macro_value (_rl_isearch_terminators, 0);
      if (ret)
	{
	  strncpy (numbuf, ret, sizeof (numbuf) - 1);
	  xfree (ret);
	  numbuf[sizeof(numbuf) - 1] = '\0';
	}
      else
	numbuf[0] = '\0';
      return numbuf;
    }
  else if (_rl_stricmp (name, "keymap") == 0)
    {
      ret = rl_get_keymap_name (_rl_keymap);
      if (ret == 0)
	ret = rl_get_keymap_name_from_edit_mode ();
      return (ret ? ret : "none");
    }
  else if (_rl_stricmp (name, "keyseq-timeout") == 0)
    {
      sprintf (numbuf, "%d", _rl_keyseq_timeout);    
      return (numbuf);
    }
  else if (_rl_stricmp (name, "emacs-mode-string") == 0)
    return (_rl_emacs_mode_str ? _rl_emacs_mode_str : RL_EMACS_MODESTR_DEFAULT);
  else if (_rl_stricmp (name, "vi-cmd-mode-string") == 0)
    return (_rl_vi_cmd_mode_str ? _rl_vi_cmd_mode_str : RL_VI_CMD_MODESTR_DEFAULT);
  else if (_rl_stricmp (name, "vi-ins-mode-string") == 0)
    return (_rl_vi_ins_mode_str ? _rl_vi_ins_mode_str : RL_VI_INS_MODESTR_DEFAULT);
  else
    return (0);
}

void
rl_variable_dumper (int print_readably)
{
  int i;
  char *v;

  for (i = 0; boolean_varlist[i].name; i++)
    {
      if (print_readably)
        fprintf (rl_outstream, "set %s %s\n", boolean_varlist[i].name,
			       *boolean_varlist[i].value ? "on" : "off");
      else
        fprintf (rl_outstream, "%s is set to `%s'\n", boolean_varlist[i].name,
			       *boolean_varlist[i].value ? "on" : "off");
    }

  for (i = 0; string_varlist[i].name; i++)
    {
      v = _rl_get_string_variable_value (string_varlist[i].name);
      if (v == 0)	/* _rl_isearch_terminators can be NULL */
	continue;
      if (print_readably)
        fprintf (rl_outstream, "set %s %s\n", string_varlist[i].name, v);
      else
        fprintf (rl_outstream, "%s is set to `%s'\n", string_varlist[i].name, v);
    }
}

/* Print all of the current variables and their values to
   rl_outstream.  If an explicit argument is given, then print
   the output in such a way that it can be read back in. */
int
rl_dump_variables (int count, int key)
{
  if (rl_dispatching)
    fprintf (rl_outstream, "\r\n");
  rl_variable_dumper (rl_explicit_arg);
  rl_on_new_line ();
  return (0);
}

/* Return non-zero if any members of ARRAY are a substring in STRING. */
static int
substring_member_of_array (const char *string, const char * const *array)
{
  while (*array)
    {
      if (_rl_strindex (string, *array))
	return (1);
      array++;
    }
  return (0);
}