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#define _GNU_SOURCE
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <ctype.h>
#include "wgt.h"
struct locarr {
int count;
char **arr;
};
static struct locarr locarr = { 0, NULL };
static int add(const char *locstr, int length)
{
int i;
char *item, **ptr;
item = strndup(locstr, length);
if (item != NULL) {
for (i = 0 ; item[i] ; i++)
item[i] = tolower(item[i]);
for (i = 0 ; i < locarr.count ; i++)
if (!strcmp(item, locarr.arr[i])) {
free(item);
return 0;
}
ptr = realloc(locarr.arr, (1 + locarr.count) * sizeof(locarr.arr[0]));
if (ptr) {
locarr.arr = ptr;
locarr.arr[locarr.count++] = item;
return 0;
}
free(item);
}
errno = ENOMEM;
return -1;
}
void locales_reset()
{
while (locarr.count)
free(locarr.arr[--locarr.count]);
}
int locales_add(const char *locstr)
{
const char *stop, *next;
while (*locstr) {
stop = strchrnul(locstr, ',');
next = stop + !!*stop;
while (locstr != stop) {
if (add(locstr, stop - locstr))
return -1;
do { stop--; } while(stop > locstr && *stop != '-');
}
locstr = next;
}
return 0;
}
int locales_score(const char *lang)
{
int i;
if (lang)
for (i = 0 ; i < locarr.count ; i++)
if (!strcasecmp(lang, locarr.arr[i]))
return i;
return INT_MAX;
}
char *locales_locate_file(const char *filename)
{
int i;
char path[PATH_MAX];
char * result;
for (i = 0 ; i < locarr.count ; i++) {
if (snprintf(path, sizeof path, "locales/%s/%s", locarr.arr[i], filename) >= (int)(sizeof path)) {
errno = EINVAL;
return NULL;
}
if (!access(path, F_OK)) {
result = strdup(path);
if (!result)
errno = ENOMEM;
return result;
}
}
if (access(filename, F_OK)) {
result = strdup(filename);
if (!result)
errno = ENOMEM;
return result;
}
errno = ENOENT;
return NULL;
}
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