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Merge commit 'b634b36fcebfe16b837b6c4044f5d5cb99a75040'
* commit 'b634b36fcebfe16b837b6c4044f5d5cb99a75040': mem: Improve documentation wording and spelling Conflicts: libavutil/mem.c libavutil/mem.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
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commit
92424a45d0
@ -77,7 +77,7 @@ void *av_malloc(size_t size)
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long diff;
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#endif
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/* let's disallow possible ambiguous cases */
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/* let's disallow possibly ambiguous cases */
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if (size > (max_alloc_size - 32))
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return NULL;
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@ -144,7 +144,7 @@ void *av_realloc(void *ptr, size_t size)
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int diff;
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#endif
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/* let's disallow possible ambiguous cases */
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/* let's disallow possibly ambiguous cases */
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if (size > (max_alloc_size - 32))
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return NULL;
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@ -83,8 +83,7 @@
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void *av_malloc(size_t size) av_malloc_attrib av_alloc_size(1);
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/**
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* Helper function to allocate a block of size * nmemb bytes with
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* using av_malloc()
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* Allocate a block of size * nmemb bytes with av_malloc().
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* @param nmemb Number of elements
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* @param size Size of the single element
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* @return Pointer to the allocated block, NULL if the block cannot
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@ -102,14 +101,14 @@ av_alloc_size(1, 2) static inline void *av_malloc_array(size_t nmemb, size_t siz
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* Allocate or reallocate a block of memory.
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* If ptr is NULL and size > 0, allocate a new block. If
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* size is zero, free the memory block pointed to by ptr.
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* @note Pointers provided by av_malloc family of functions cannot be
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* passed to av_realloc().
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* @param ptr Pointer to a memory block already allocated with
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* av_realloc() or NULL.
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* @param size Size in bytes for the memory block to be allocated or
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* @param size Size in bytes of the memory block to be allocated or
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* reallocated.
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* @return Pointer to a newly reallocated block or NULL if the block
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* @return Pointer to a newly-reallocated block or NULL if the block
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* cannot be reallocated or the function is used to free the memory block.
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* @note av_realloc() is not guaranteed to maintain the alignment of
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* pointers originating from the av_malloc() family of functions.
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* @see av_fast_realloc()
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*/
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void *av_realloc(void *ptr, size_t size) av_alloc_size(2);
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@ -128,29 +127,29 @@ void *av_realloc_f(void *ptr, size_t nelem, size_t elsize);
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* Allocate or reallocate an array.
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* If ptr is NULL and nmemb > 0, allocate a new block. If
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* nmemb is zero, free the memory block pointed to by ptr.
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* @note Pointers provided by av_malloc family of functions cannot be
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* passed to av_realloc_array().
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* @param ptr Pointer to a memory block already allocated with
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* av_realloc() or NULL.
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* @param nmemb Number of elements
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* @param size Size of the single element
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* @return Pointer to a newly reallocated block or NULL if the block
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* @return Pointer to a newly-reallocated block or NULL if the block
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* cannot be reallocated or the function is used to free the memory block.
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* @note av_realloc_array() is not guaranteed to maintain the alignment of
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* pointers originating from the av_malloc() family of functions.
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*/
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av_alloc_size(2, 3) void *av_realloc_array(void *ptr, size_t nmemb, size_t size);
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/**
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* Allocate or reallocate an array.
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* Allocate or reallocate an array through a pointer to a pointer.
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* If *ptr is NULL and nmemb > 0, allocate a new block. If
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* nmemb is zero, free the memory block pointed to by ptr.
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* @note Pointers provided by av_malloc family of functions cannot be
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* passed to av_reallocp_array().
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* @param ptr Pointer to a pointer to a memory block already allocated
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* with av_realloc(), or pointer to a pointer to NULL.
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* The pointer is updated on success, or freed on failure.
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* @param nmemb Number of elements
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* @param size Size of the single element
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* @return Zero on success, an AVERROR error code on failure.
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* @note av_reallocp_array() is not guaranteed to maintain the alignment of
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* pointers originating from the av_malloc() family of functions.
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*/
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av_alloc_size(2, 3) int av_reallocp_array(void *ptr, size_t nmemb, size_t size);
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@ -187,8 +186,7 @@ void *av_mallocz(size_t size) av_malloc_attrib av_alloc_size(1);
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void *av_calloc(size_t nmemb, size_t size) av_malloc_attrib;
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/**
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* Helper function to allocate a block of size * nmemb bytes with
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* using av_mallocz()
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* Allocate a block of size * nmemb bytes with av_mallocz().
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* @param nmemb Number of elements
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* @param size Size of the single element
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* @return Pointer to the allocated block, NULL if the block cannot
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@ -206,7 +204,7 @@ av_alloc_size(1, 2) static inline void *av_mallocz_array(size_t nmemb, size_t si
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/**
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* Duplicate the string s.
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* @param s string to be duplicated
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* @return Pointer to a newly allocated string containing a
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* @return Pointer to a newly-allocated string containing a
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* copy of s or NULL if the string cannot be allocated.
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*/
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char *av_strdup(const char *s) av_malloc_attrib;
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@ -296,7 +294,7 @@ static inline int av_size_mult(size_t a, size_t b, size_t *r)
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void av_max_alloc(size_t max);
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/**
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* @brief deliberately overlapping memcpy implementation
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* deliberately overlapping memcpy implementation
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* @param dst destination buffer
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* @param back how many bytes back we start (the initial size of the overlapping window), must be > 0
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* @param cnt number of bytes to copy, must be >= 0
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