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fix endianess build in a better way

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Originally committed as revision 5596 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Luca Barbato
2006-07-03 11:11:22 +00:00
parent 9c39071d6d
commit 5351c29cbe
1 changed files with 4 additions and 7 deletions
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11
libavutil/md5.c
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@@ -69,11 +69,8 @@ static const uint32_t T[64] = {
}\ }\
a = b + (( a << t ) | ( a >> (32 - t) )); a = b + (( a << t ) | ( a >> (32 - t) ));
#ifdef WORDS_BIGENDIAN
static void body(uint32_t ABCD[4], uint32_t X[16]){ static void body(uint32_t ABCD[4], uint32_t X[16]){
#else
static void body(uint32_t ABCD[4], const uint32_t X[16]){
#endif
int t; int t;
int i attribute_unused; int i attribute_unused;
unsigned int a= ABCD[3]; unsigned int a= ABCD[3];
@@ -121,7 +118,7 @@ void av_md5_update(AVMD5 *ctx, const uint8_t *src, const int len){
for( i = 0; i < len; i++ ){ for( i = 0; i < len; i++ ){
ctx->block[ ctx->b_used++ ] = src[i]; ctx->block[ ctx->b_used++ ] = src[i];
if( 64 == ctx->b_used ){ if( 64 == ctx->b_used ){
body(ctx->ABCD, (const uint32_t*) ctx->block); body(ctx->ABCD, (uint32_t*) ctx->block);
ctx->b_used = 0; ctx->b_used = 0;
} }
} }
@@ -135,14 +132,14 @@ void av_md5_final(AVMD5 *ctx, uint8_t *dst){
memset(&ctx->block[ctx->b_used], 0, 64 - ctx->b_used); memset(&ctx->block[ctx->b_used], 0, 64 - ctx->b_used);
if( 56 < ctx->b_used ){ if( 56 < ctx->b_used ){
body( ctx->ABCD, (const uint32_t*) ctx->block ); body( ctx->ABCD, (uint32_t*) ctx->block );
memset(ctx->block, 0, 64); memset(ctx->block, 0, 64);
} }
for(i=0; i<8; i++) for(i=0; i<8; i++)
ctx->block[56+i] = (ctx->len << 3) >> (i<<3); ctx->block[56+i] = (ctx->len << 3) >> (i<<3);
body(ctx->ABCD, (const uint32_t*) ctx->block); body(ctx->ABCD, (uint32_t*) ctx->block);
for(i=0; i<4; i++) for(i=0; i<4; i++)
((uint32_t*)dst)[i]= le2me_32(ctx->ABCD[3-i]); ((uint32_t*)dst)[i]= le2me_32(ctx->ABCD[3-i]);