From 36c7fa7ea541b370566a03f2801b8747dafd917a Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 13 Mar 2007 11:25:57 +0000 Subject: [PATCH] smaller av_sha1_update() Originally committed as revision 8381 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavutil/sha1.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/libavutil/sha1.c b/libavutil/sha1.c index 43b63611dc..8d29657f35 100644 --- a/libavutil/sha1.c +++ b/libavutil/sha1.c @@ -90,6 +90,15 @@ void av_sha1_update(AVSHA1* context, uint8_t* data, unsigned int len){ j = context->count & 63; context->count += len; +#ifdef CONFIG_SMALL + for( i = 0; i < len; i++ ){ + context->buffer[ j++ ] = data[i]; + if( 64 == j ){ + transform(context->state, context->buffer); + j = 0; + } + } +#else if ((j + len) > 63) { memcpy(&context->buffer[j], data, (i = 64-j)); transform(context->state, context->buffer); @@ -100,6 +109,7 @@ void av_sha1_update(AVSHA1* context, uint8_t* data, unsigned int len){ } else i = 0; memcpy(&context->buffer[j], &data[i], len - i); +#endif } void av_sha1_final(AVSHA1* context, uint8_t digest[20]){