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/* xrealloc.c: realloc with error checking.
Copyright 1992, 1993, 2008 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>
extern void *xmalloc P1H(unsigned);
void *
xrealloc P2C(void *, old_ptr, unsigned, size)
{
void *new_mem;
if (old_ptr == NULL) {
new_mem = xmalloc(size);
} else {
new_mem = (void *)realloc(old_ptr, size);
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 %u bytes).\n",
size);
exit(EXIT_FAILURE);
}
}
return new_mem;
}
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