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providers/common/digests/sha2.c: forward declare all dispatched functions

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Forward declare the dispatched functions using typedefs from
core_numbers.h.  This will ensure that they have correct signatures.

Reviewed-by: Paul Dale <paul.dale@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/8747)
This commit is contained in:
Richard Levitte 2019-04-15 09:40:22 +02:00
parent 0ad50b4dee
commit f2dbb71cb6
1 changed files with 16 additions and 0 deletions
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16
providers/common/digests/sha2.c
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@ -11,6 +11,22 @@
#include <openssl/crypto.h> #include <openssl/crypto.h>
#include <openssl/core_numbers.h> #include <openssl/core_numbers.h>
/*
* Forward declaration of everything implemented here. This is not strictly
* necessary for the compiler, but provides an assurance that the signatures
* of the functions in the dispatch table are correct.
*/
static OSSL_OP_digest_newctx_fn sha256_newctx;
#if 0 /* Not defined here */
static OSSL_OP_digest_init_fn sha256_init;
static OSSL_OP_digest_update_fn sha256_update;
#endif
static OSSL_OP_digest_final_fn sha256_final;
static OSSL_OP_digest_freectx_fn sha256_freectx;
static OSSL_OP_digest_dupctx_fn sha256_dupctx;
static OSSL_OP_digest_size_fn sha256_size;
static OSSL_OP_digest_block_size_fn sha256_size;
static int sha256_final(void *ctx, static int sha256_final(void *ctx,
unsigned char *md, size_t *mdl, size_t mdsz) unsigned char *md, size_t *mdl, size_t mdsz)
{ {