65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/*
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* FCRON - periodic command scheduler
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*
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* Copyright 2000-2014 Thibault Godouet <fcron@free.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* The GNU General Public License can also be found in the file
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* `LICENSE' that comes with the fcron source distribution.
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*/
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/* mem: manage memory (de)allocation.
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* Mostly wrappers around standard functions to check for errors.
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* We also always set variable to NULL after free()ing them, and check
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* if a variable is NULL before attempting to free it. */
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#ifndef __MEM_H__
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#define __MEM_H__
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/* macros */
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#define Alloc(PTR, TYPE) \
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{ \
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if ( ( (PTR)=calloc(1, sizeof(TYPE)) ) == NULL ) { \
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die_e("Could not calloc."); \
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} \
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}
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#define Free_safe(PTR) \
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{ \
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if ((PTR) != NULL) { \
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free((PTR)); \
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(PTR) = NULL; \
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} \
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}
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#define Set(VAR, VALUE) \
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{ \
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Free_safe((VAR)); \
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(VAR) = strdup2((VALUE)); \
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}
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/* functions prototypes */
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#if defined(__sun)
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extern char *strndup(const char *s, size_t n); /* Solaris 10 has no strndup() */
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#endif
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extern char *strdup2(const char *);
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extern char *strndup2(const char *, size_t n);
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extern void *alloc_safe(size_t len, const char *desc);
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extern void *realloc_safe(void *ptr, size_t len, const char *desc);
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#endif /* __MEM_H__ */
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