63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
/*
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* Copyright © 2014 David FORT <contact@hardening-consulting.com>
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#ifndef UWAC_UTILS_H_
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#define UWAC_UTILS_H_
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#include <stdlib.h>
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#include <string.h>
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#include <uwac/config.h>
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#define min(a, b) (a) < (b) ? (a) : (b)
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#define container_of(ptr, type, member) (type*)((char*)(ptr)-offsetof(type, member))
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#define ARRAY_LENGTH(a) (sizeof(a) / sizeof(a)[0])
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void* xmalloc(size_t s);
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static inline void* zalloc(size_t size)
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{
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return calloc(1, size);
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}
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void* xzalloc(size_t s);
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char* xstrdup(const char* s);
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void* xrealloc(void* p, size_t s);
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static inline char* uwac_strerror(int dw, char* dmsg, size_t size)
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{
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#ifdef __STDC_LIB_EXT1__
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(void)strerror_s(dw, dmsg, size);
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#elif defined(UWAC_HAVE_STRERROR_R)
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(void)strerror_r(dw, dmsg, size);
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#else
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(void)_snprintf(dmsg, size, "%s", strerror(dw));
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#endif
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return dmsg;
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}
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#endif /* UWAC_UTILS_H_ */
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