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tweaks to the MD5 routines; they need to be exported when building a windows DLL since the seekable stream decoder in libOggFLAC secretly uses them

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This commit is contained in:
Josh Coalson
2004-07-23 05:18:22 +00:00
parent 990f741f54
commit 3e7a96e460
5 changed files with 55 additions and 44 deletions
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22
src/libFLAC/md5.c
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@@ -59,7 +59,7 @@ static FLAC__bool is_big_endian_host_;
*/
FLaC__INLINE
void
MD5Transform(FLAC__uint32 buf[4], FLAC__uint32 const in[16])
FLAC__MD5Transform(FLAC__uint32 buf[4], FLAC__uint32 const in[16])
{
register FLAC__uint32 a, b, c, d;
@@ -163,7 +163,7 @@ byteSwap(FLAC__uint32 *buf, unsigned words)
* initialization constants.
*/
void
MD5Init(struct MD5Context *ctx)
FLAC__MD5Init(struct FLAC__MD5Context *ctx)
{
FLAC__uint32 test = 1;
@@ -186,7 +186,7 @@ MD5Init(struct MD5Context *ctx)
* of bytes.
*/
void
MD5Update(struct MD5Context *ctx, md5byte const *buf, unsigned len)
FLAC__MD5Update(struct FLAC__MD5Context *ctx, md5byte const *buf, unsigned len)
{
FLAC__uint32 t;
@@ -204,7 +204,7 @@ MD5Update(struct MD5Context *ctx, md5byte const *buf, unsigned len)
/* First chunk is an odd size */
memcpy((md5byte *)ctx->in + 64 - t, buf, t);
byteSwap(ctx->in, 16);
MD5Transform(ctx->buf, ctx->in);
FLAC__MD5Transform(ctx->buf, ctx->in);
buf += t;
len -= t;
@@ -212,7 +212,7 @@ MD5Update(struct MD5Context *ctx, md5byte const *buf, unsigned len)
while (len >= 64) {
memcpy(ctx->in, buf, 64);
byteSwap(ctx->in, 16);
MD5Transform(ctx->buf, ctx->in);
FLAC__MD5Transform(ctx->buf, ctx->in);
buf += 64;
len -= 64;
}
@@ -222,10 +222,10 @@ MD5Update(struct MD5Context *ctx, md5byte const *buf, unsigned len)
}
/*
* Convert the incoming audio signal to a byte stream and MD5Update it.
* Convert the incoming audio signal to a byte stream and FLAC__MD5Update it.
*/
FLAC__bool
FLAC__MD5Accumulate(struct MD5Context *ctx, const FLAC__int32 * const signal[], unsigned channels, unsigned samples, unsigned bytes_per_sample)
FLAC__MD5Accumulate(struct FLAC__MD5Context *ctx, const FLAC__int32 * const signal[], unsigned channels, unsigned samples, unsigned bytes_per_sample)
{
unsigned channel, sample, a_byte;
FLAC__int32 a_word;
@@ -268,7 +268,7 @@ FLAC__MD5Accumulate(struct MD5Context *ctx, const FLAC__int32 * const signal[],
}
}
MD5Update(ctx, ctx->internal_buf, bytes_needed);
FLAC__MD5Update(ctx, ctx->internal_buf, bytes_needed);
return true;
}
@@ -278,7 +278,7 @@ FLAC__MD5Accumulate(struct MD5Context *ctx, const FLAC__int32 * const signal[],
* 1 0* (64-bit count of bits processed, MSB-first)
*/
void
MD5Final(md5byte digest[16], struct MD5Context *ctx)
FLAC__MD5Final(md5byte digest[16], struct FLAC__MD5Context *ctx)
{
int count = ctx->bytes[0] & 0x3f; /* Number of bytes in ctx->in */
md5byte *p = (md5byte *)ctx->in + count;
@@ -292,7 +292,7 @@ MD5Final(md5byte digest[16], struct MD5Context *ctx)
if (count < 0) { /* Padding forces an extra block */
memset(p, 0, count + 8);
byteSwap(ctx->in, 16);
MD5Transform(ctx->buf, ctx->in);
FLAC__MD5Transform(ctx->buf, ctx->in);
p = (md5byte *)ctx->in;
count = 56;
}
@@ -302,7 +302,7 @@ MD5Final(md5byte digest[16], struct MD5Context *ctx)
/* Append length in bits and transform */
ctx->in[14] = ctx->bytes[0] << 3;
ctx->in[15] = ctx->bytes[1] << 3 | ctx->bytes[0] >> 29;
MD5Transform(ctx->buf, ctx->in);
FLAC__MD5Transform(ctx->buf, ctx->in);
byteSwap(ctx->buf, 4);
memcpy(digest, ctx->buf, 16);