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ruby--ruby/ext/digest/digest.h
nobu 935275bb59 digest: define Finish func from Final func
* ext/digest/digest.h (DEFINE_FINISH_FUNC_FROM_FINAL): macro for
  finish functions, by inverting arguments order.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49564 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2015-02-11 02:09:23 +00:00

51 lines
1.3 KiB
C

/************************************************
digest.h - header file for ruby digest modules
$Author$
created at: Fri May 25 08:54:56 JST 2001
Copyright (C) 2001-2006 Akinori MUSHA
$RoughId: digest.h,v 1.3 2001/07/13 15:38:27 knu Exp $
$Id$
************************************************/
#include "ruby.h"
#define RUBY_DIGEST_API_VERSION 3
typedef int (*rb_digest_hash_init_func_t)(void *);
typedef void (*rb_digest_hash_update_func_t)(void *, unsigned char *, size_t);
typedef int (*rb_digest_hash_finish_func_t)(void *, unsigned char *);
typedef struct {
int api_version;
size_t digest_len;
size_t block_len;
size_t ctx_size;
rb_digest_hash_init_func_t init_func;
rb_digest_hash_update_func_t update_func;
rb_digest_hash_finish_func_t finish_func;
} rb_digest_metadata_t;
#define DEFINE_UPDATE_FUNC_FOR_UINT(name) \
void \
rb_digest_##name##_update(void *ctx, unsigned char *ptr, size_t size) \
{ \
const unsigned int stride = 16384; \
\
for (; size > stride; size -= stride, ptr += stride) { \
name##_Update(ctx, ptr, stride); \
} \
if (size > 0) name##_Update(ctx, ptr, size); \
}
#define DEFINE_FINISH_FUNC_FROM_FINAL(name) \
int \
rb_digest_##name##_finish(void *ctx, unsigned char *ptr) \
{ \
return name##_Final(ptr, ctx); \
}