45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*
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* Copyright (c) 2011, 2012, 2014, 2022 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* stdlib/calloc.c
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* Allocates zeroed memory.
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*/
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#include <errno.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef __TRACE_ALLOCATION_SITES
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void* calloc_trace(struct __allocation_site* allocation_site,
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size_t nmemb, size_t size)
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#else
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void* calloc(size_t nmemb, size_t size)
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#endif
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{
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if ( size && nmemb && SIZE_MAX / size < nmemb )
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return errno = ENOMEM, (void*) NULL;
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size_t total = nmemb * size;
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#ifdef __TRACE_ALLOCATION_SITES
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void* result = malloc_trace(allocation_site, total);
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#else
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void* result = malloc(total);
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#endif
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if ( !result )
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return NULL;
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memset(result, 0, total);
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return result;
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}
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