mirror of
https://gitlab.isc.org/isc-projects/bind9
synced 2025-08-28 21:17:54 +00:00
102 lines
2.7 KiB
C
102 lines
2.7 KiB
C
/*
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* Copyright (C) 2015 Internet Systems Consortium, Inc. ("ISC")
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*
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* Permission to use, copy, modify, and/or 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 ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/*
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* Provide a simple memory management model for lib/isc/mem.c
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* which hides all the internal storage and memory filling.
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*
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* See https://scan.coverity.com/models
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*/
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#define FLARG , const char * file, unsigned int line
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#define FLARG_PASS , file, line
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int condition;
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void *isc__mem_get(void *mem, unsigned int size FLARG) {
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if (!mem) __coverity_panic__();
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__coverity_negative_sink__(size);
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if (condition)
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return (0);
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return (__coverity_alloc__(size));
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}
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void isc__mem_put(void *mem, void *ptr, unsigned int size FLARG) {
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if (!mem) __coverity_panic__();
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__coverity_free__(ptr);
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}
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void isc__mem_putanddetach(void *mem, void *ptr, unsigned int size FLARG) {
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if (!mem) __coverity_panic__();
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__coverity_free__(ptr);
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}
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void *isc__mem_allocate(void *mem, unsigned int size FLARG) {
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if (!mem) __coverity_panic__();
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__coverity_negative_sink__(size);
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if (condition)
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return (0);
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return (__coverity_alloc__(size));
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}
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void *memcpy(void *s1, const void *s2, size_t n);
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void * isc__mem_reallocate(void *mem, void *ptr, size_t size FLARG) {
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char *p = (char *)0;
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size_t l;
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if (!mem) __coverity_panic__();
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if (size > 0) {
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p = isc__mem_allocate(mem, size FLARG_PASS);
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if (p && ptr) {
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l = (l > size) ? size : l;
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memcpy(p, ptr, l);
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__coverity_free__(ptr);
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}
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} else if (ptr)
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__coverity_free__(ptr);
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return (p);
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}
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void isc__mem_free(void *mem, void *ptr FLARG) {
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if (!mem) __coverity_panic__();
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__coverity_free__(ptr);
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}
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unsigned int strlen(const char*);
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void *isc__mem_strdup(void *mem, char *s FLARG) {
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void *d;
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if (!mem) __coverity_panic__();
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if (condition)
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return (0);
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d = __coverity_alloc__(strlen(s) + 1);
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__coverity_writeall__(d);
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return (d);
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}
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void *isc__mempool_get(void *mem FLARG) {
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unsigned int size;
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if (!mem) __coverity_panic__();
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if (condition)
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return (0);
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return (__coverity_alloc__(size));
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}
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void isc__mempool_put(void *mem, void *ptr FLARG) {
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if (!mem) __coverity_panic__();
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__coverity_free__(ptr);
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}
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