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m68k/server/xmalloc.c

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+/* xmalloc.c -- malloc with out of memory checking
+   Copyright (C) 1990, 1991 Free Software Foundation, Inc.
+
+   This program 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 2, or (at your option)
+   any later version.
+
+   This program 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 this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+#include <config.h> 
+#include <syslog.h> 
+#include <stdio.h>
+#ifdef HAVE_STDLIB_H
+#include <stdlib.h>
+#else
+char *malloc ();
+char *realloc ();
+void free ();
+void abort();
+#endif
+
+/* Allocate N bytes of memory dynamically, with error checking.  */
+
+char *
+xmalloc (n)
+     unsigned n;
+{
+  char *p;
+
+  if (n == 0)
+    return 0;
+  
+  p = malloc (n);
+  if (p == 0)
+    {
+      syslog (LOG_INFO, "xmalloc: request for %d bytes failed\n", n);
+      abort ();
+    }
+  return p;
+}
+
+/* Change the size of an allocated block of memory P to N bytes,
+   with error checking.
+   If P is NULL, run xmalloc.
+   If N is 0, run free and return NULL.  */
+
+char *
+xrealloc (p, n)
+     char *p;
+     unsigned n;
+{
+  if (p == 0)
+    return xmalloc (n);
+  if (n == 0)
+    {
+      free (p);
+      return 0;
+    }
+  p = realloc (p, n);
+  if (p == 0)
+    {
+      syslog (LOG_INFO, "xrealloc: request for %d bytes failed\n", n);
+      abort ();
+    }
+  return p;
+}
+
+void
+xfree (p)
+     char *p;
+{
+  if (p != 0)
+    free (p);
+}