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/* compat.c
Copyright (c) 2003-2021 HandBrake Team
This file is part of the HandBrake source code
Homepage: <http://handbrake.fr/>.
It may be used under the terms of the GNU General Public License v2.
For full terms see the file COPYING file or visit http://www.gnu.org/licenses/gpl-2.0.html
*/
#include "handbrake/compat.h"
#ifdef HB_NEED_STRTOK_R
#include <string.h>
char *strtok_r(char *s, const char *delim, char **save_ptr)
{
char *token;
if (s == NULL) s = *save_ptr;
/* Scan leading delimiters. */
s += strspn(s, delim);
if (*s == '\0') return NULL;
/* Find the end of the token. */
token = s;
s = strpbrk(token, delim);
if (s == NULL)
{
/* This token finishes the string. */
*save_ptr = strchr(token, '\0');
}
else
{
/* Terminate the token and make *save_ptr point past it. */
*s = '\0';
*save_ptr = s + 1;
}
return token;
}
#endif // HB_NEED_STRTOK_R
#ifndef HAS_STRERROR_R
#ifndef _GNU_SOURCE
#include <sys/types.h>
#include <errno.h>
#include <string.h>
#include <stdio.h>
#define ERRSTR_LEN 20
int strerror_r(int errnum, char *strerrbuf, size_t buflen)
{
int ret = 0;
char errstr[ERRSTR_LEN];
if (strerrbuf == NULL || buflen == 0)
{
ret = ERANGE;
goto done;
}
if(snprintf(errstr, ERRSTR_LEN - 1, "unknown error %d", errnum) < 0)
{
ret = EINVAL;
goto done;
}
if (snprintf(strerrbuf, buflen, errstr) < 0)
{
ret = EINVAL;
goto done;
}
done:
return ret;
}
#endif // _GNU_SOURCE
#endif // HAS_STRERROR_R
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