texk 1

git-svn-id: svn://tug.org/texlive/trunk@1485 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 47 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..81a0cab8136
--- /dev/null
+++ b/Build/source/texk/kpathsea/xrealloc.c
@@ -0,0 +1,47 @@
+/* xrealloc.c: realloc with error checking.
+
+    Copyright 2005 Olaf Weber
+    Copyright 1992, 93 Karl Berry.
+
+    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, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#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;
+}