* Removed some dead code.
This commit is contained in:
Eelco Dolstra
parent
7e8961f720
commit
37b51a9aa6
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@ -20,10 +20,6 @@
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/* Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. */
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <sys/types.h>
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#include <stdlib.h>
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@ -123,85 +119,6 @@ md5_finish_ctx (ctx, resbuf)
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return md5_read_ctx (ctx, resbuf);
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}
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/* Compute MD5 message digest for bytes read from STREAM. The
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resulting message digest number will be written into the 16 bytes
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beginning at RESBLOCK. */
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int
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md5_stream (stream, resblock)
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FILE *stream;
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void *resblock;
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{
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/* Important: BLOCKSIZE must be a multiple of 64. */
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#define BLOCKSIZE 4096
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struct md5_ctx ctx;
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char buffer[BLOCKSIZE + 72];
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size_t sum;
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/* Initialize the computation context. */
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md5_init_ctx (&ctx);
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/* Iterate over full file contents. */
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while (1)
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{
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/* We read the file in blocks of BLOCKSIZE bytes. One call of the
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computation function processes the whole buffer so that with the
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next round of the loop another block can be read. */
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size_t n;
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sum = 0;
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/* Read block. Take care for partial reads. */
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do
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{
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n = fread (buffer + sum, 1, BLOCKSIZE - sum, stream);
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sum += n;
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}
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while (sum < BLOCKSIZE && n != 0);
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if (n == 0 && ferror (stream))
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return 1;
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/* If end of file is reached, end the loop. */
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if (n == 0)
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break;
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/* Process buffer with BLOCKSIZE bytes. Note that
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BLOCKSIZE % 64 == 0
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*/
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md5_process_block (buffer, BLOCKSIZE, &ctx);
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}
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/* Add the last bytes if necessary. */
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if (sum > 0)
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md5_process_bytes (buffer, sum, &ctx);
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/* Construct result in desired memory. */
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md5_finish_ctx (&ctx, resblock);
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return 0;
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}
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/* Compute MD5 message digest for LEN bytes beginning at BUFFER. The
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result is always in little endian byte order, so that a byte-wise
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output yields to the wanted ASCII representation of the message
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digest. */
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void *
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md5_buffer (buffer, len, resblock)
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const char *buffer;
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size_t len;
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void *resblock;
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{
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struct md5_ctx ctx;
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/* Initialize the computation context. */
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md5_init_ctx (&ctx);
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/* Process whole buffer but last len % 64 bytes. */
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md5_process_bytes (buffer, len, &ctx);
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/* Put result in desired memory area. */
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return md5_finish_ctx (&ctx, resblock);
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}
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void
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md5_process_bytes (buffer, len, ctx)
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const void *buffer;
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@ -21,65 +21,9 @@
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#ifndef _MD5_H
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#define _MD5_H 1
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#include <stdio.h>
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#if defined HAVE_LIMITS_H || _LIBC
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# include <limits.h>
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#endif
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/* The following contortions are an attempt to use the C preprocessor
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to determine an unsigned integral type that is 32 bits wide. An
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alternative approach is to use autoconf's AC_CHECK_SIZEOF macro, but
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doing that would require that the configure script compile and *run*
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the resulting executable. Locally running cross-compiled executables
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is usually not possible. */
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#ifdef _LIBC
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# include <stdint.h>
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#include <stdint.h>
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typedef uint32_t md5_uint32;
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typedef uintptr_t md5_uintptr;
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#else
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# if defined __STDC__ && __STDC__
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# define UINT_MAX_32_BITS 4294967295U
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# else
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# define UINT_MAX_32_BITS 0xFFFFFFFF
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# endif
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/* If UINT_MAX isn't defined, assume it's a 32-bit type.
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This should be valid for all systems GNU cares about because
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that doesn't include 16-bit systems, and only modern systems
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(that certainly have <limits.h>) have 64+-bit integral types. */
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# ifndef UINT_MAX
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# define UINT_MAX UINT_MAX_32_BITS
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# endif
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# if UINT_MAX == UINT_MAX_32_BITS
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typedef unsigned int md5_uint32;
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# else
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# if USHRT_MAX == UINT_MAX_32_BITS
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typedef unsigned short md5_uint32;
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# else
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# if ULONG_MAX == UINT_MAX_32_BITS
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typedef unsigned long md5_uint32;
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# else
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/* The following line is intended to evoke an error.
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Using #error is not portable enough. */
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"Cannot determine unsigned 32-bit data type."
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# endif
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# endif
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# endif
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/* We have to make a guess about the integer type equivalent in size
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to pointers which should always be correct. */
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typedef unsigned long int md5_uintptr;
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#endif
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#undef __P
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#if defined (__STDC__) && __STDC__
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# define __P(x) x
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#else
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# define __P(x) ()
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#endif
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/* Structure to save state of computation between the single steps. */
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struct md5_ctx
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@ -136,16 +80,4 @@ extern void *md5_finish_ctx __P ((struct md5_ctx *ctx, void *resbuf));
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extern void *md5_read_ctx __P ((const struct md5_ctx *ctx, void *resbuf));
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/* Compute MD5 message digest for bytes read from STREAM. The
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resulting message digest number will be written into the 16 bytes
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beginning at RESBLOCK. */
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extern int md5_stream __P ((FILE *stream, void *resblock));
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/* Compute MD5 message digest for LEN bytes beginning at BUFFER. The
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result is always in little endian byte order, so that a byte-wise
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output yields to the wanted ASCII representation of the message
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digest. */
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extern void *md5_buffer __P ((const char *buffer, size_t len,
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void *resblock));
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#endif /* md5.h */
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