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Add av_calloc() helper.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -168,6 +168,13 @@ void *av_mallocz(size_t size)
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return ptr;
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return ptr;
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}
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}
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void *av_calloc(size_t nmemb, size_t size)
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{
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if (size <= 0 || nmemb >= INT_MAX / size)
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return NULL;
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return av_mallocz(nmemb * size);
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}
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char *av_strdup(const char *s)
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char *av_strdup(const char *s)
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{
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{
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char *ptr= NULL;
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char *ptr= NULL;
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@ -106,6 +106,18 @@ void av_free(void *ptr);
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*/
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*/
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void *av_mallocz(size_t size) av_malloc_attrib av_alloc_size(1);
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void *av_mallocz(size_t size) av_malloc_attrib av_alloc_size(1);
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/**
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* Allocate a block of nmemb * size bytes with alignment suitable for all
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* memory accesses (including vectors if available on the CPU) and
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* zero all the bytes of the block.
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* The allocation will fail if nmemb * size is greater than or equal
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* to INT_MAX.
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* @param nmemb
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* @param size
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* @return Pointer to the allocated block, NULL if it cannot be allocated.
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*/
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void *av_calloc(size_t nmemb, size_t size) av_malloc_attrib;
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/**
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/**
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* Duplicate the string s.
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* Duplicate the string s.
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* @param s string to be duplicated
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* @param s string to be duplicated
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