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Diffstat (limited to 'graphics/sketch/memutil.c')
-rw-r--r-- | graphics/sketch/memutil.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/graphics/sketch/memutil.c b/graphics/sketch/memutil.c new file mode 100644 index 0000000000..f2156466dc --- /dev/null +++ b/graphics/sketch/memutil.c @@ -0,0 +1,65 @@ +/* memutil.c + Copyright (C) 2005,2006,2007 Eugene K. Ressler, Jr. + +This file is part of Sketch, a small, simple system for making +3d drawings with LaTeX and the PSTricks or TikZ package. + +Sketch is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 3, or (at your option) +any later version. + +Sketch is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with Sketch; see the file COPYING.txt. If not, see +http://www.gnu.org/copyleft */ + +#include <stdio.h> +#include "memutil.h" + +void * +safe_malloc (unsigned size) +{ +#undef malloc + void *p = malloc (size); + if (size > 0 && p == NULL) + { + fprintf (stderr, "\nsafe_malloc: out of memory\n"); + exit (1); + } + return p; +} + +void * +safe_realloc (void *p, unsigned size) +{ +#undef realloc + void *q = realloc (p, size); + if (size > 0 && q == NULL) + { + fprintf (stderr, "\nsafe_realloc: out of memory\n"); + exit (1); + } + return q; +} + +char * +safe_strdup (char *str) +{ +#undef strdup + char *new_str = safe_malloc (strlen (str) + 1); + strcpy (new_str, str); + return new_str; +} + +void +safe_free (void *p) +{ +#undef free + free (p); +} + |