Remove unused md5_stream function.

This commit is contained in:
Con Kolivas 2011-02-19 22:14:47 +11:00
parent 744202a47f
commit b94f68ba41
2 changed files with 0 additions and 80 deletions

74
md5.c
View file

@ -40,7 +40,6 @@
# define md5_process_bytes __md5_process_bytes # define md5_process_bytes __md5_process_bytes
# define md5_finish_ctx __md5_finish_ctx # define md5_finish_ctx __md5_finish_ctx
# define md5_read_ctx __md5_read_ctx # define md5_read_ctx __md5_read_ctx
# define md5_stream __md5_stream
# define md5_buffer __md5_buffer # define md5_buffer __md5_buffer
#endif #endif
@ -124,79 +123,6 @@ md5_finish_ctx (struct md5_ctx *ctx, void *resbuf)
return md5_read_ctx (ctx, resbuf); return md5_read_ctx (ctx, resbuf);
} }
/* Compute MD5 message digest for bytes read from STREAM. The
resulting message digest number will be written into the 16 bytes
beginning at RESBLOCK. */
int
md5_stream (FILE *stream, void *resblock)
{
struct md5_ctx ctx;
size_t sum;
char *buffer = malloc (BLOCKSIZE + 72);
if (!buffer)
return 1;
/* Initialize the computation context. */
md5_init_ctx (&ctx);
/* Iterate over full file contents. */
while (1)
{
/* We read the file in blocks of BLOCKSIZE bytes. One call of the
computation function processes the whole buffer so that with the
next round of the loop another block can be read. */
size_t n;
sum = 0;
/* Read block. Take care for partial reads. */
while (1)
{
n = fread (buffer + sum, 1, BLOCKSIZE - sum, stream);
sum += n;
if (sum == BLOCKSIZE)
break;
if (n == 0)
{
/* Check for the error flag IFF N == 0, so that we don't
exit the loop after a partial read due to e.g., EAGAIN
or EWOULDBLOCK. */
if (ferror (stream))
{
free (buffer);
return 1;
}
goto process_partial_block;
}
/* We've read at least one byte, so ignore errors. But always
check for EOF, since feof may be true even though N > 0.
Otherwise, we could end up calling fread after EOF. */
if (feof (stream))
goto process_partial_block;
}
/* Process buffer with BLOCKSIZE bytes. Note that
BLOCKSIZE % 64 == 0
*/
md5_process_block (buffer, BLOCKSIZE, &ctx);
}
process_partial_block:
/* Process any remaining bytes. */
if (sum > 0)
md5_process_bytes (buffer, sum, &ctx);
/* Construct result in desired memory. */
md5_finish_ctx (&ctx, resblock);
free (buffer);
return 0;
}
/* Compute MD5 message digest for LEN bytes beginning at BUFFER. The /* Compute MD5 message digest for LEN bytes beginning at BUFFER. The
result is always in little endian byte order, so that a byte-wise result is always in little endian byte order, so that a byte-wise
output yields to the wanted ASCII representation of the message output yields to the wanted ASCII representation of the message

6
md5.h
View file

@ -53,7 +53,6 @@
# define __md5_process_block md5_process_block # define __md5_process_block md5_process_block
# define __md5_process_bytes md5_process_bytes # define __md5_process_bytes md5_process_bytes
# define __md5_read_ctx md5_read_ctx # define __md5_read_ctx md5_read_ctx
# define __md5_stream md5_stream
#endif #endif
# ifdef __cplusplus # ifdef __cplusplus
@ -109,11 +108,6 @@ extern void *__md5_finish_ctx (struct md5_ctx *ctx, void *resbuf) __THROW;
extern void *__md5_read_ctx (const struct md5_ctx *ctx, void *resbuf) __THROW; extern void *__md5_read_ctx (const struct md5_ctx *ctx, void *resbuf) __THROW;
/* Compute MD5 message digest for bytes read from STREAM. The
resulting message digest number will be written into the 16 bytes
beginning at RESBLOCK. */
extern int __md5_stream (FILE *stream, void *resblock) __THROW;
/* Compute MD5 message digest for LEN bytes beginning at BUFFER. The /* Compute MD5 message digest for LEN bytes beginning at BUFFER. The
result is always in little endian byte order, so that a byte-wise result is always in little endian byte order, so that a byte-wise
output yields to the wanted ASCII representation of the message output yields to the wanted ASCII representation of the message