diff options
| -rw-r--r-- | libavutil/xtea.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/libavutil/xtea.c b/libavutil/xtea.c index 07a66e5666..7c3a14c2be 100644 --- a/libavutil/xtea.c +++ b/libavutil/xtea.c @@ -72,7 +72,7 @@ void av_xtea_crypt(AVXTEA *ctx, uint8_t *dst, const uint8_t *src, int count, int i; if (decrypt) { - while (count > 0) { + while (count--) { xtea_crypt_ecb(ctx, dst, src, decrypt); if (iv) { @@ -83,10 +83,9 @@ void av_xtea_crypt(AVXTEA *ctx, uint8_t *dst, const uint8_t *src, int count, src += 8; dst += 8; - count -= 8; } } else { - while (count > 0) { + while (count--) { if (iv) { for (i = 0; i < 8; i++) dst[i] = src[i] ^ iv[i]; @@ -97,7 +96,6 @@ void av_xtea_crypt(AVXTEA *ctx, uint8_t *dst, const uint8_t *src, int count, } src += 8; dst += 8; - count -= 8; } } } |