diff options
Diffstat (limited to 'libavutil/mem.c')
-rw-r--r-- | libavutil/mem.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/libavutil/mem.c b/libavutil/mem.c index 8226168eed..35a82e8a2d 100644 --- a/libavutil/mem.c +++ b/libavutil/mem.c @@ -267,6 +267,26 @@ char *av_strdup(const char *s) return ptr; } +char *av_strndup(const char *s, size_t len) +{ + char *ret = NULL, *end; + + if (!s) + return NULL; + + end = memchr(s, 0, len); + if (end) + len = end - s; + + ret = av_realloc(NULL, len + 1); + if (!ret) + return NULL; + + memcpy(ret, s, len); + ret[len] = 0; + return ret; +} + void *av_memdup(const void *p, size_t size) { void *ptr = NULL; |