summaryrefslogtreecommitdiffstats
path: root/file_io/os2/filesys.c
blob: ae43bc0a0fc029ecb0c9bb81b86305dee05ba7f8 (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
/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "apr.h"
#include "apr_arch_file_io.h"
#include "apr_strings.h"
#include "apr_lib.h"
#include <ctype.h>

/* OS/2 Exceptions:
 *
 * Note that trailing spaces and trailing periods are never recorded
 * in the file system.
 *
 * Leading spaces and periods are accepted, however.
 * The * ? < > codes all have wildcard side effects
 * The " / \ : are exclusively component separator tokens 
 * The system doesn't accept | for any (known) purpose 
 * Oddly, \x7f _is_ acceptable ;)
 */

const char c_is_fnchar[256] =
{/* Reject all ctrl codes...                                         */
    0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
 /*     "               *         /                      :   <   > ? */
    1,1,0,1,1,1,1,1,1,1,0,1,1,1,1,0, 1,1,1,1,1,1,1,1,1,1,0,1,0,1,0,0,
 /*                                                          \       */
    1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,
 /*                                                          |       */
    1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,0,1,1,1,
 /* High bit codes are accepted                                      */
    1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
    1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
    1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
    1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1
};


#define IS_SLASH(c) (c == '/' || c == '\\')


apr_status_t filepath_root_test(char *path, apr_pool_t *p)
{
    char drive = apr_toupper(path[0]);

    if (drive >= 'A' && drive <= 'Z' && path[1] == ':' && IS_SLASH(path[2]))
        return APR_SUCCESS;

    return APR_EBADPATH;
}


apr_status_t filepath_drive_get(char **rootpath, char drive, 
                                apr_int32_t flags, apr_pool_t *p)
{
    char path[APR_PATH_MAX];
    char *pos;
    ULONG rc;
    ULONG bufsize = sizeof(path) - 3;

    path[0] = drive;
    path[1] = ':';
    path[2] = '/';

    rc = DosQueryCurrentDir(apr_toupper(drive) - 'A', path+3, &bufsize);

    if (rc) {
        return APR_FROM_OS_ERROR(rc);
    }

    if (!(flags & APR_FILEPATH_NATIVE)) {
        for (pos=path; *pos; pos++) {
            if (*pos == '\\')
                *pos = '/';
        }
    }

    *rootpath = apr_pstrdup(p, path);
    return APR_SUCCESS;
}


apr_status_t filepath_root_case(char **rootpath, char *root, apr_pool_t *p)
{
    if (root[0] && apr_islower(root[0]) && root[1] == ':') {
        *rootpath = apr_pstrdup(p, root);
        (*rootpath)[0] = apr_toupper((*rootpath)[0]);
    }
    else {
       *rootpath = root;
    }
    return APR_SUCCESS;
}


APR_DECLARE(apr_status_t) apr_filepath_get(char **defpath, apr_int32_t flags,
                                           apr_pool_t *p)
{
    char path[APR_PATH_MAX];
    ULONG drive;
    ULONG drivemap;
    ULONG rv, pathlen = sizeof(path) - 3;
    char *pos;

    DosQueryCurrentDisk(&drive, &drivemap);
    path[0] = '@' + drive;
    strcpy(path+1, ":\\");
    rv = DosQueryCurrentDir(drive, path+3, &pathlen);

    *defpath = apr_pstrdup(p, path);

    if (!(flags & APR_FILEPATH_NATIVE)) {
        for (pos=*defpath; *pos; pos++) {
            if (*pos == '\\')
                *pos = '/';
        }
    }

    return APR_SUCCESS;
}    



APR_DECLARE(apr_status_t) apr_filepath_set(const char *path, apr_pool_t *p)
{
    ULONG rv = 0;

    if (path[1] == ':')
        rv = DosSetDefaultDisk(apr_toupper(path[0]) - '@');

    if (rv == 0)
        rv = DosSetCurrentDir(path);

    return APR_FROM_OS_ERROR(rv);
}