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Add iconv_msg function.

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This commit is contained in:
Jonathan Bastien-Filiatrault 2007-10-26 18:11:26 -04:00
parent aa5cc328f4
commit af08198304
1 changed files with 58 additions and 0 deletions
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58
parsing.c
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@ -6,6 +6,8 @@
* (see COPYING for full license text)
*/
#include <iconv.h>
#include "cgit.h"
int next_char(FILE *f)
@ -176,6 +178,62 @@ void cgit_parse_url(const char *url)
}
}
static char *iconv_msg(char *msg, const char *encoding)
{
iconv_t msg_conv = iconv_open(PAGE_ENCODING, encoding);
size_t inlen = strlen(msg);
char *in;
char *out;
size_t inleft;
size_t outleft;
char *buf;
char *ret;
size_t buf_sz;
int again, fail;
if(msg_conv == (iconv_t)-1)
return NULL;
buf_sz = inlen * 2;
buf = xmalloc(buf_sz+1);
do {
in = msg;
inleft = inlen;
out = buf;
outleft = buf_sz;
iconv(msg_conv, &in, &inleft, &out, &outleft);
if(inleft == 0) {
fail = 0;
again = 0;
} else if(inleft != 0 && errno == E2BIG) {
fail = 0;
again = 1;
buf_sz *= 2;
free(buf);
buf = xmalloc(buf_sz+1);
} else {
fail = 1;
again = 0;
}
} while(again && !fail);
if(fail) {
free(buf);
ret = NULL;
} else {
buf = xrealloc(buf, out - buf);
*out = 0;
ret = buf;
}
iconv_close(msg_conv);
return ret;
}
char *substr(const char *head, const char *tail)
{
char *buf;