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Diffstat (limited to 'Build/source/texk/kpathsea/xrealloc.c')
-rw-r--r-- | Build/source/texk/kpathsea/xrealloc.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/Build/source/texk/kpathsea/xrealloc.c b/Build/source/texk/kpathsea/xrealloc.c new file mode 100644 index 00000000000..e56668368b4 --- /dev/null +++ b/Build/source/texk/kpathsea/xrealloc.c @@ -0,0 +1,43 @@ +/* xrealloc.c: realloc with error checking. + + Copyright 1992, 1993, 2008, 2010, 2013 Karl Berry. + Copyright 2005 Olaf Weber. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this library; if not, see <http://www.gnu.org/licenses/>. */ + +#include <kpathsea/config.h> + +void * +xrealloc (void *old_ptr, size_t size) +{ + void *new_mem; + + if (old_ptr == NULL) { + new_mem = xmalloc(size); + } else { + new_mem = (void *)realloc(old_ptr, size ? size : 1); + if (new_mem == NULL) { + /* We used to print OLD_PTR here using %x, and casting its + value to unsigned, but that lost on the Alpha, where + pointers and unsigned had different sizes. Since the info + is of little or no value anyway, just don't print it. */ + fprintf(stderr, + "fatal: memory exhausted (realloc of %lu bytes).\n", + (unsigned long)size); + exit(EXIT_FAILURE); + } + } + + return new_mem; +} |