41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/*
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* Copyright (c) 2013, 2014 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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* malloc/heap_get_paranoia.c
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* Returns how paranoid the heap implementation should be.
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*/
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#include <malloc.h>
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#include <stdlib.h>
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int heap_get_paranoia(void)
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{
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#if defined(PARANOIA_DEFAULT) && defined(__is_sortix_libk)
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return PARANOIA_DEFAULT;
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#elif defined(PARANOIA_DEFAULT)
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static int cached_paranoia = -1;
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if ( cached_paranoia < 0 )
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{
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if ( const char* paranoia_str = getenv("LIBC_MALLOC_PARANOIA") )
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cached_paranoia = atoi(paranoia_str);
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else
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cached_paranoia = PARANOIA_DEFAULT;
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}
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return cached_paranoia;
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#else
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return PARANOIA;
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#endif
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}
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