* Removed some dead code.
This commit is contained in:
Eelco Dolstra
parent
7e8961f720
commit
37b51a9aa6
|
|
@ -20,10 +20,6 @@
|
|||
|
||||
/* Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995. */
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
# include <config.h>
|
||||
#endif
|
||||
|
||||
#include <sys/types.h>
|
||||
|
||||
#include <stdlib.h>
|
||||
|
|
@ -123,85 +119,6 @@ md5_finish_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 (stream, resblock)
|
||||
FILE *stream;
|
||||
void *resblock;
|
||||
{
|
||||
/* Important: BLOCKSIZE must be a multiple of 64. */
|
||||
#define BLOCKSIZE 4096
|
||||
struct md5_ctx ctx;
|
||||
char buffer[BLOCKSIZE + 72];
|
||||
size_t sum;
|
||||
|
||||
/* 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. */
|
||||
do
|
||||
{
|
||||
n = fread (buffer + sum, 1, BLOCKSIZE - sum, stream);
|
||||
|
||||
sum += n;
|
||||
}
|
||||
while (sum < BLOCKSIZE && n != 0);
|
||||
if (n == 0 && ferror (stream))
|
||||
return 1;
|
||||
|
||||
/* If end of file is reached, end the loop. */
|
||||
if (n == 0)
|
||||
break;
|
||||
|
||||
/* Process buffer with BLOCKSIZE bytes. Note that
|
||||
BLOCKSIZE % 64 == 0
|
||||
*/
|
||||
md5_process_block (buffer, BLOCKSIZE, &ctx);
|
||||
}
|
||||
|
||||
/* Add the last bytes if necessary. */
|
||||
if (sum > 0)
|
||||
md5_process_bytes (buffer, sum, &ctx);
|
||||
|
||||
/* Construct result in desired memory. */
|
||||
md5_finish_ctx (&ctx, resblock);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Compute MD5 message digest for LEN bytes beginning at BUFFER. The
|
||||
result is always in little endian byte order, so that a byte-wise
|
||||
output yields to the wanted ASCII representation of the message
|
||||
digest. */
|
||||
void *
|
||||
md5_buffer (buffer, len, resblock)
|
||||
const char *buffer;
|
||||
size_t len;
|
||||
void *resblock;
|
||||
{
|
||||
struct md5_ctx ctx;
|
||||
|
||||
/* Initialize the computation context. */
|
||||
md5_init_ctx (&ctx);
|
||||
|
||||
/* Process whole buffer but last len % 64 bytes. */
|
||||
md5_process_bytes (buffer, len, &ctx);
|
||||
|
||||
/* Put result in desired memory area. */
|
||||
return md5_finish_ctx (&ctx, resblock);
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
md5_process_bytes (buffer, len, ctx)
|
||||
const void *buffer;
|
||||
|
|
|
|||
|
|
@ -21,65 +21,9 @@
|
|||
#ifndef _MD5_H
|
||||
#define _MD5_H 1
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
#if defined HAVE_LIMITS_H || _LIBC
|
||||
# include <limits.h>
|
||||
#endif
|
||||
|
||||
/* The following contortions are an attempt to use the C preprocessor
|
||||
to determine an unsigned integral type that is 32 bits wide. An
|
||||
alternative approach is to use autoconf's AC_CHECK_SIZEOF macro, but
|
||||
doing that would require that the configure script compile and *run*
|
||||
the resulting executable. Locally running cross-compiled executables
|
||||
is usually not possible. */
|
||||
|
||||
#ifdef _LIBC
|
||||
# include <stdint.h>
|
||||
#include <stdint.h>
|
||||
typedef uint32_t md5_uint32;
|
||||
typedef uintptr_t md5_uintptr;
|
||||
#else
|
||||
# if defined __STDC__ && __STDC__
|
||||
# define UINT_MAX_32_BITS 4294967295U
|
||||
# else
|
||||
# define UINT_MAX_32_BITS 0xFFFFFFFF
|
||||
# endif
|
||||
|
||||
/* If UINT_MAX isn't defined, assume it's a 32-bit type.
|
||||
This should be valid for all systems GNU cares about because
|
||||
that doesn't include 16-bit systems, and only modern systems
|
||||
(that certainly have <limits.h>) have 64+-bit integral types. */
|
||||
|
||||
# ifndef UINT_MAX
|
||||
# define UINT_MAX UINT_MAX_32_BITS
|
||||
# endif
|
||||
|
||||
# if UINT_MAX == UINT_MAX_32_BITS
|
||||
typedef unsigned int md5_uint32;
|
||||
# else
|
||||
# if USHRT_MAX == UINT_MAX_32_BITS
|
||||
typedef unsigned short md5_uint32;
|
||||
# else
|
||||
# if ULONG_MAX == UINT_MAX_32_BITS
|
||||
typedef unsigned long md5_uint32;
|
||||
# else
|
||||
/* The following line is intended to evoke an error.
|
||||
Using #error is not portable enough. */
|
||||
"Cannot determine unsigned 32-bit data type."
|
||||
# endif
|
||||
# endif
|
||||
# endif
|
||||
/* We have to make a guess about the integer type equivalent in size
|
||||
to pointers which should always be correct. */
|
||||
typedef unsigned long int md5_uintptr;
|
||||
#endif
|
||||
|
||||
#undef __P
|
||||
#if defined (__STDC__) && __STDC__
|
||||
# define __P(x) x
|
||||
#else
|
||||
# define __P(x) ()
|
||||
#endif
|
||||
|
||||
/* Structure to save state of computation between the single steps. */
|
||||
struct md5_ctx
|
||||
|
|
@ -136,16 +80,4 @@ extern void *md5_finish_ctx __P ((struct md5_ctx *ctx, void *resbuf));
|
|||
extern void *md5_read_ctx __P ((const struct md5_ctx *ctx, void *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. */
|
||||
extern int md5_stream __P ((FILE *stream, void *resblock));
|
||||
|
||||
/* Compute MD5 message digest for LEN bytes beginning at BUFFER. The
|
||||
result is always in little endian byte order, so that a byte-wise
|
||||
output yields to the wanted ASCII representation of the message
|
||||
digest. */
|
||||
extern void *md5_buffer __P ((const char *buffer, size_t len,
|
||||
void *resblock));
|
||||
|
||||
#endif /* md5.h */
|
||||
|
|
|
|||
Loading…
Reference in a new issue