diff options
Diffstat (limited to 'libavutil/base64.c')
| -rw-r--r-- | libavutil/base64.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavutil/base64.c b/libavutil/base64.c index 6843a5396a..5a7ab4c977 100644 --- a/libavutil/base64.c +++ b/libavutil/base64.c @@ -47,6 +47,7 @@ int av_base64_decode(uint8_t *out, const char *in, int out_size) { int i, v; uint8_t *dst = out; + uint8_t *end = out + out_size; v = 0; for (i = 0; ; i++) { @@ -55,7 +56,7 @@ int av_base64_decode(uint8_t *out, const char *in, int out_size) return in[i] && in[i] != '=' ? -1 : dst - out; v = (v << 6) + map2[index]; if (i & 3) { - if (dst - out < out_size) { + if (dst < end) { *dst++ = v >> (6 - 2 * (i & 3)); } } |