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#include <locale.h>
#include <limits.h>
#include <stdio.h>
#include <string.h>
#include "nonstd/locale.h"
#include "nonstd/ctype.h"
/*
#define LC_COLLATE_MASK (1<<0)
#define LC_CTYPE_MASK (1<<1)
#define LC_MONETARY_MASK (1<<2)
#define LC_NUMERIC_MASK (1<<3)
#define LC_TIME_MASK (1<<4)
#define LC_MESSAGES_MASK (1<<5)
*/
#define stringreplace(_old, _new) do { \
_old = realloc(_old, strlen(_new) + 1); \
if (_old == NULL) { \
return NULL; \
} \
strcpy(_old, _new); \
} while (0)
static char * (__load_locale)(struct __locale_t *loc, int mask, const char *name)
{
char localepath[FILENAME_MAX] = "/lib/locale/";
strcat(localepath, name);
FILE *localefile = fopen(localepath, "rb");
if (localefile == NULL && strcmp(name, "C") && strcmp(name, "POSIX")) {
return NULL;
}
if (mask & LC_COLLATE_MASK) {
stringreplace(loc->collate, name);
/* read from file */
loc->collation = NULL;
}
if (mask & LC_CTYPE_MASK) {
stringreplace(loc->ctype, name);
if (localefile == NULL) {
int i;
loc->ctattr = realloc(loc->ctattr, CHAR_MAX);
for (i = 0; i < 32; i++) {
loc->ctattr[i] = CT_CNTRL;
}
for (i = 'a'; i < 'z'; i++) {
loc->ctattr[i] = CT_LOWER;
}
for (i = 'A'; i < 'Z'; i++) {
loc->ctattr[i] = CT_UPPER;
}
for (i = '0'; i < '9'; i++) {
loc->ctattr[i] = CT_DIGIT | CT_XDIGIT;
}
/* others */
loc->ctoupper = realloc(loc->ctoupper, CHAR_MAX);
for (i = 0; i < CHAR_MAX; i++) {
loc->ctoupper[i] = ('a' <= i && i <= 'z') ? i + 32 : i;
}
loc->ctolower = realloc(loc->ctolower, CHAR_MAX);
for (i = 0; i < CHAR_MAX; i++) {
loc->ctolower[i] = ('A' <= i && i <= 'Z') ? i - 32 : i;
}
} else {
/* read from file */
loc->ctattr = NULL;
loc->ctoupper = NULL;
loc->ctolower = NULL;
}
}
if (mask & LC_MONETARY_MASK) {
stringreplace(loc->monetary, name);
/*
loc->mn.monetary fields;
*/
}
if (mask & LC_NUMERIC_MASK) {
stringreplace(loc->numeric, name);
/*
loc->mn.numeric fields
*/
}
if (mask & LC_TIME_MASK) {
stringreplace(loc->time, name);
/* read from file */
/* loc->lc_time */
}
if (mask & LC_MESSAGES_MASK) {
stringreplace(loc->messages, name);
/* read */
loc->lc_messages.yesexpr = NULL;
loc->lc_messages.noexpr = NULL;
}
return name;
}
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