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BEGIN {
if ( length(outfn) == 0) {
outfn = outfile
}
char_shift=64
## "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_";
c2n["A"]=1
c2n["B"]=2
c2n["C"]=3
c2n["D"]=4
c2n["E"]=5
c2n["F"]=6
c2n["G"]=7
c2n["H"]=8
c2n["I"]=9
c2n["J"]=10
c2n["K"]=11
c2n["L"]=12
c2n["M"]=13
c2n["N"]=14
c2n["O"]=15
c2n["P"]=16
c2n["Q"]=17
c2n["R"]=18
c2n["S"]=19
c2n["T"]=20
c2n["U"]=21
c2n["V"]=22
c2n["W"]=23
c2n["X"]=24
c2n["Y"]=25
c2n["Z"]=26
c2n["a"]=27
c2n["b"]=28
c2n["c"]=29
c2n["d"]=30
c2n["e"]=31
c2n["f"]=32
c2n["g"]=33
c2n["h"]=34
c2n["i"]=35
c2n["j"]=36
c2n["k"]=37
c2n["l"]=38
c2n["m"]=39
c2n["n"]=40
c2n["o"]=41
c2n["p"]=42
c2n["q"]=43
c2n["r"]=44
c2n["s"]=45
c2n["t"]=46
c2n["u"]=47
c2n["v"]=48
c2n["w"]=49
c2n["x"]=50
c2n["y"]=51
c2n["z"]=52
c2n["0"]=53
c2n["1"]=54
c2n["2"]=55
c2n["3"]=56
c2n["4"]=57
c2n["5"]=58
c2n["6"]=59
c2n["7"]=60
c2n["8"]=61
c2n["9"]=62
c2n["_"]=63
}
/^#/ { next }
/^[ \t]*(error_table|et)[ \t]+[a-zA-Z][a-zA-Z0-9_]+/ {
table_number = 0
mod_base = 1000000
if (NF > 2) {
table_name = $3
base_name = $2
} else {
table_name = $2
base_name = table_name
}
for(i=1; i<=length(base_name); i++) {
table_number=(table_number*char_shift)+c2n[substr(base_name,i,1)]
}
# We start playing *_high, *low games here because the some
# awk programs do not have the necessary precision (sigh)
tab_base_low = table_number % mod_base
if (tab_base_low < 0) {
# Work around stupid bug in the ARM libm
tab_base_low = tab_base_low + mod_base
}
tab_base_high = int(table_number / mod_base)
tab_base_sign = 1;
# figure out: table_number_base=table_number*256
tab_base_low = tab_base_low * 256
tab_base_high = (tab_base_high * 256) + \
int(tab_base_low / mod_base)
tab_base_low = tab_base_low % mod_base
if (tab_base_low < 0) {
# Work around stupid bug in the ARM libm
tab_base_low = tab_base_low + mod_base
}
if (table_number > 128*256*256) {
# figure out: table_number_base -= 256*256*256*256
# sub_high, sub_low is 256*256*256*256
sub_low = 256*256*256 % mod_base
sub_high = int(256*256*256 / mod_base)
sub_low = sub_low * 256
sub_high = (sub_high * 256) + int(sub_low / mod_base)
sub_low = sub_low % mod_base
tab_base_low = sub_low - tab_base_low;
tab_base_high = sub_high - tab_base_high;
tab_base_sign = -1;
if (tab_base_low < 0) {
tab_base_low = tab_base_low + mod_base
tab_base_high--
}
}
prefix_str = ""
curr_idx = 0
curr_low = tab_base_low
curr_high = tab_base_high
curr_sign = tab_base_sign
print "/*" > outfile
print " * " outfn ":" > outfile
print " * This file is automatically generated; please do not edit it." > outfile
print " */" > outfile
print "" > outfile
print "#include <et/com_err.h>" > outfile
print "" > outfile
}
/^[ \t]*(error_code|ec)[ \t]+[A-Z_0-9]+,/ {
# Be tolerant to missing whitespace after `,' ...
sub(/,/, ", ")
tag=prefix_str substr($2,1,length($2)-1)
if (curr_high == 0) {
printf "#define %-40s (%dL)\n", tag, \
curr_sign*curr_low > outfile
} else {
printf "#define %-40s (%d%06dL)\n", tag, curr_high*curr_sign, \
curr_low > outfile
}
curr_low += curr_sign;
curr_idx++;
if (curr_low >= mod_base) {
curr_low -= mod_base;
curr_high++
}
if (curr_low < 0) {
cur_low += mod_base
cur_high--
}
}
/^[ \t]*(prefix)$/ {
prefix_str = ""
}
/^[ \t]*(prefix)[ \t]+[A-Z_0-9]+/ {
prefix_str = $2 "_"
}
/^[ \t]*(index)[ \t]+[A-Z_0-9]+/ {
new_idx = $2
curr_low += curr_sign * (new_idx - curr_idx)
curr_idx = new_idx
if (curr_low >= mod_base) {
curr_low -= mod_base;
curr_high++
}
if (curr_low < 0) {
cur_low += mod_base
cur_high--
}
}
END {
print "extern const struct error_table et_" table_name "_error_table;" > outfile
print "extern void initialize_" table_name "_error_table(void);" > outfile
print "" > outfile
print "/* For compatibility with Heimdal */" > outfile
print "extern void initialize_" table_name "_error_table_r(struct et_list **list);" > outfile
print "" > outfile
if (tab_base_high == 0) {
print "#define ERROR_TABLE_BASE_" table_name " (" \
sprintf("%d", tab_base_sign*tab_base_low) \
"L)" > outfile
} else {
print "#define ERROR_TABLE_BASE_" table_name " (" \
sprintf("%d%06d", tab_base_sign*tab_base_high, \
tab_base_low) "L)" > outfile
}
print "" > outfile
print "/* for compatibility with older versions... */" > outfile
print "#define init_" table_name "_err_tbl initialize_" table_name "_error_table" > outfile
print "#define " table_name "_err_base ERROR_TABLE_BASE_" table_name > outfile
}
|
