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/*
* Generator collate table from glibc special for Uclibc.
* Author Vladimir Oleynik. vodz@usa.net (c) 2001
*
* Require setuped work non-C LC_COLLATE
* This programm created ./LOCALE/LC_COLLATE file for Uclibc
* setlocale() and strcoll().
* Without argument this programm used setlocale(LC_COLLATE, "") -
* equivalent result setlocale(LC_COLLATE, getenv("LC_XXX"))
*
* Also, this programm have russian koi8 collate for test
* working Uclibc ;-)
*
*/
#include <ctype.h>
#include <string.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/stat.h> /* mkdir() */
#include <errno.h>
/* For strong test russian locale LC_COLLATE="ru_RU.KOI8-R" */
static const unsigned char koi8_weights[256] = {
0, 99, 100, 101, 102, 103, 104, 105,
106, 2, 5, 3, 6, 4, 107, 108,
109, 110, 111, 112, 113, 114, 115, 116,
117, 118, 119, 120, 121, 122, 123, 124,
1, 12, 21, 34, 30, 35, 33, 20,
22, 23, 31, 36, 9, 8, 15, 14,
127, 128, 129, 131, 132, 133, 134, 135,
136, 137, 11, 10, 38, 40, 42, 13,
29, 138, 140, 142, 144, 146, 148, 150,
152, 154, 156, 158, 160, 162, 164, 166,
168, 170, 172, 174, 176, 178, 180, 182,
184, 186, 188, 24, 32, 25, 17, 7,
16, 139, 141, 143, 145, 147, 149, 151,
153, 155, 157, 159, 161, 163, 165, 167,
169, 171, 173, 175, 177, 179, 181, 183,
185, 187, 189, 26, 43, 27, 18, 125,
50, 52, 54, 58, 62, 66, 70, 74,
78, 82, 86, 90, 91, 92, 93, 94,
95, 96, 97, 48, 98, 45, 46, 47,
39, 41, 126, 49, 44, 130, 19, 37,
51, 53, 55, 203, 56, 57, 59, 60,
61, 63, 64, 65, 67, 68, 69, 71,
72, 73, 75, 202, 76, 77, 79, 80,
81, 83, 84, 85, 87, 88, 89, 28,
253, 191, 193, 237, 199, 201, 233, 197,
235, 209, 211, 213, 215, 217, 219, 221,
223, 255, 225, 227, 229, 231, 205, 195,
249, 247, 207, 241, 251, 243, 239, 245,
252, 190, 192, 236, 198, 200, 232, 196,
234, 208, 210, 212, 214, 216, 218, 220,
222, 254, 224, 226, 228, 230, 204, 194,
248, 246, 206, 240, 250, 242, 238, 244
};
int gen_weights(const char *collate)
{
int weights[256];
int i,j;
char probe_str1[2];
char probe_str2[2];
char print_buf[16];
int retcode = 0;
unsigned char out_weights[256];
FILE *out;
memset(weights, 0, sizeof(weights));
probe_str1[1]=probe_str2[1]=0;
for(i=0; i<256; i++) {
probe_str1[0] = i;
for(j=0; j<256; j++) {
probe_str2[0] = j;
if(strcoll(probe_str1, probe_str2)>0) {
weights[i]++;
if(i==j) {
fprintf(stderr, "\
\nWarning! c1=%d == c2, but strcoll returned greater zero\n", i);
retcode++;
}
}
}
}
for(i=0; i<256; ) {
if(isprint(i))
sprintf(print_buf, " '%c'", i);
else {
if(i=='\0')
strcpy(print_buf, "'\\0'");
else if(i=='\a')
strcpy(print_buf, "'\\a'");
else if(i=='\b')
strcpy(print_buf, "'\\b'");
else if(i=='\f')
strcpy(print_buf, "'\\f'");
else if(i=='\r')
strcpy(print_buf, "'\\r'");
else if(i=='\t')
strcpy(print_buf, "'\\t'");
else sprintf(print_buf, " x%02X", i);
}
printf("weights[%s] = %3d ", print_buf, weights[i]);
i++;
if( (i%4) == 0)
printf("\n");
}
for(i=0; i<256; i++) {
if(weights[i]<0 || weights[i]>=256) {
fprintf(stderr, "Hmm, weights[%d]=%d\n", i, weights[i]);
retcode++;
}
for(j=0; j<256; j++) {
if(i==j)
continue;
if(weights[i]==weights[j]) {
fprintf(stderr, "\
Warning! c1=%d c2=%d and strcoll returned equivalent weight\n", i, j);
retcode++;
}
}
}
if(retcode)
return 1;
if(strcasecmp(collate, "ru_RU.KOI8-R")==0 ||
strcmp(collate, "ru_RU")==0 ||
strcmp(collate, "koi8-r")==0) {
for(i=0; i<256; i++)
if(weights[i]!=koi8_weights[i]) {
fprintf(stderr, "\
Error koi8-r collate compare, glibc weights[%d]=%d but current generation %d\n",
i, koi8_weights[i], weights[i]);
retcode++;
}
if(retcode)
return 5;
}
for(i=0; i<256; i++)
out_weights[i] = weights[i];
out = fopen("LC_COLLATE", "w");
if(out == NULL) {
fprintf(stderr, "Can`t create ./%s/LC_COLLATE file\n", collate);
return 10;
}
if(fwrite(out_weights, 1, 256, out)!=256) {
fprintf(stderr, "IO error in process write ./%s/LC_COLLATE file\n", collate);
return 11;
}
return 0;
}
int main(int argc, char **argv)
{
char *locale;
char *slr;
char *collate;
if(argc<1 || argc>2) {
fprintf(stderr, "Usage: %s [locale]\n", argv[0]);
}
locale = argc==1 ? "" : argv[1];
collate = setlocale(LC_COLLATE, locale);
fprintf(stderr, "setlocale(LC_COLLATE, \"%s\") returned %s\n", locale, collate);
if(collate==0) {
fprintf(stderr, "Can`t set LC_COLLATE\n");
return 2;
}
if(strcmp(collate, "C")==0) {
fprintf(stderr, "\
LC_COLLATE=\"C\" is trivial and not interesting for this programm\n");
return 3;
}
slr = setlocale(LC_CTYPE, locale);
fprintf(stderr, "setlocale(LC_CTYPE, \"%s\") returned %s\n", locale, slr);
if(slr==0) {
slr = setlocale(LC_CTYPE, "POSIX");
if(slr==0) {
fprintf(stderr, "Hmm, can`t set setlocale(LC_CTYPE, \"POSIX\")\n");
return 4;
}
}
if(mkdir(collate, 0755)!=0 && errno!=EEXIST) {
fprintf(stderr, "Can`t make directory %s\n", collate);
return 6;
}
if(chdir(collate)) {
fprintf(stderr, "Hmm, can`t change directory to %s\n", collate);
return 7;
}
if(gen_weights(collate)) {
if(chdir("..")) {
fprintf(stderr, "Hmm, can`t change to current directory\n");
return 7;
}
rmdir(collate);
return 1;
}
return 0;
}
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