111 lines
2.5 KiB
C
111 lines
2.5 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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#include "global.h"
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#include "mem.h"
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#if defined(__sun)
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/* Solaris 10 has no strndup() */
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char *
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strndup(const char *s, size_t n)
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/* Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu> */
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{
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char *result;
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size_t len = strlen(s);
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if (n < len)
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len = n;
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result = (char *)malloc(len + 1);
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if (!result)
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return 0;
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memcpy(result, s, len);
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result[len] = '\0';
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return (result);
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}
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#endif
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char *
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strdup2(const char *str)
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{
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char *ptr;
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if (str == NULL)
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return NULL;
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ptr = strdup(str);
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if (!ptr)
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die_e("Could not strdup()");
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return (ptr);
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}
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char *
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strndup2(const char *str, size_t n)
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{
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char *ptr;
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if (str == NULL)
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return NULL;
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/* note: if n==0 then ptr will be an empty string (non-NULL) */
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ptr = strndup(str, n);
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if (!ptr)
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die_e("Could not strdup()");
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return (ptr);
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}
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void *
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alloc_safe(size_t len, const char *desc)
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/* allocate len-bytes of memory, and return the pointer.
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* Die with a log message if there is any error */
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{
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void *ptr = NULL;
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ptr = calloc(1, len);
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if (ptr == NULL) {
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die_e("Could not allocate %d bytes of memory%s%s", len,
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(desc) ? "for " : "", desc);
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}
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return ptr;
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}
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void *
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realloc_safe(void *cur, size_t len, const char *desc)
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/* allocate len-bytes of memory, and return the pointer.
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* Die with a log message if there is any error */
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{
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void *new = NULL;
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new = realloc(cur, len);
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if (new == NULL) {
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die_e("Could not reallocate %d bytes of memory%s%s", len,
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(desc) ? "for " : "", desc);
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}
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return new;
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}
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