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crypto: consistently use size_t as type for length parameters

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size_t is the correct type to use for sizes.
This commit is contained in:
Diego Biurrun 2016-12-15 12:46:03 +01:00
parent f1af37b510
commit e435beb1ea
6 changed files with 34 additions and 4 deletions
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4
doc/APIchanges
View File

@ -13,6 +13,10 @@ libavutil: 2015-08-28
API changes, most recent first:
2016-xx-xx - xxxxxxx
Change av_sha_update() and av_md5_sum()/av_md5_update() length
parameter type to size_t at next major bump.
2016-xx-xx - xxxxxxx - lavc 57.29.0 - avcodec.h
Add AV_PKT_DATA_SPHERICAL packet side data to export AVSphericalMapping
information from containers.

8
libavutil/md5.c
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@ -146,7 +146,11 @@ void av_md5_init(AVMD5 *ctx)
ctx->ABCD[3] = 0x67452301;
}
#if FF_API_CRYPTO_SIZE_T
void av_md5_update(AVMD5 *ctx, const uint8_t *src, const int len)
#else
void av_md5_update(AVMD5 *ctx, const uint8_t *src, size_t len)
#endif
{
int i, j;
@ -177,7 +181,11 @@ void av_md5_final(AVMD5 *ctx, uint8_t *dst)
AV_WL32(dst + 4 * i, ctx->ABCD[3 - i]);
}
#if FF_API_CRYPTO_SIZE_T
void av_md5_sum(uint8_t *dst, const uint8_t *src, const int len)
#else
void av_md5_sum(uint8_t *dst, const uint8_t *src, size_t len)
#endif
{
AVMD5 ctx;

8
libavutil/md5.h
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@ -21,6 +21,7 @@
#ifndef AVUTIL_MD5_H
#define AVUTIL_MD5_H
#include <stddef.h>
#include <stdint.h>
#include "attributes.h"
@ -36,9 +37,14 @@ struct AVMD5;
struct AVMD5 *av_md5_alloc(void);
void av_md5_init(struct AVMD5 *ctx);
void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, const int len);
void av_md5_final(struct AVMD5 *ctx, uint8_t *dst);
#if FF_API_CRYPTO_SIZE_T
void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, const int len);
void av_md5_sum(uint8_t *dst, const uint8_t *src, const int len);
#else
void av_md5_update(struct AVMD5 *ctx, const uint8_t *src, size_t len);
void av_md5_sum(uint8_t *dst, const uint8_t *src, size_t len);
#endif
/**
* @}

6
libavutil/sha.c
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@ -290,7 +290,11 @@ av_cold int av_sha_init(AVSHA *ctx, int bits)
return 0;
}
void av_sha_update(AVSHA* ctx, const uint8_t* data, unsigned int len)
#if FF_API_CRYPTO_SIZE_T
void av_sha_update(struct AVSHA *ctx, const uint8_t *data, unsigned int len)
#else
void av_sha_update(struct AVSHA *ctx, const uint8_t *data, size_t len)
#endif
{
unsigned int i, j;

9
libavutil/sha.h
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@ -21,6 +21,7 @@
#ifndef AVUTIL_SHA_H
#define AVUTIL_SHA_H
#include <stddef.h>
#include <stdint.h>
#include "attributes.h"
@ -51,11 +52,15 @@ int av_sha_init(struct AVSHA* context, int bits);
/**
* Update hash value.
*
* @param context hash function context
* @param ctx hash function context
* @param data input data to update hash with
* @param len input data length
*/
void av_sha_update(struct AVSHA* context, const uint8_t* data, unsigned int len);
#if FF_API_CRYPTO_SIZE_T
void av_sha_update(struct AVSHA *ctx, const uint8_t *data, unsigned int len);
#else
void av_sha_update(struct AVSHA *ctx, const uint8_t *data, size_t len);
#endif
/**
* Finish hashing and output digest value.

3
libavutil/version.h
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@ -105,6 +105,9 @@
#ifndef FF_API_PKT_PTS
#define FF_API_PKT_PTS (LIBAVUTIL_VERSION_MAJOR < 56)
#endif
#ifndef FF_API_CRYPTO_SIZE_T
#define FF_API_CRYPTO_SIZE_T (LIBAVUTIL_VERSION_MAJOR < 56)
#endif
/**