[svn-upgrade] Integrating new upstream version, shadow (19990709)

libmisc/xmalloc.c

@@ -0,0 +1,38 @@
+/* Replacements for malloc and strdup with error checking.  Too trivial
+   to be worth copyrighting :-).  I did that because a lot of code used
+   malloc and strdup without checking for NULL pointer, and I like some
+   message better than a core dump...  --marekm
+   
+   Yeh, but.  Remember that bailing out might leave the system in some
+   bizarre state.  You really want to put in error checking, then add
+   some back-out failure recovery code. -- jfh */
+
+#include <config.h>
+
+#include "rcsid.h"
+RCSID("$Id: xmalloc.c,v 1.3 1998/12/28 20:34:56 marekm Exp $")
+
+#include <stdio.h>
+
+#include "defines.h"
+
+extern char *malloc();
+
+char *
+xmalloc(size_t size)
+{
+	char *ptr;
+
+	ptr = malloc(size);
+	if (!ptr && size) {
+		fprintf(stderr, _("malloc(%d) failed\n"), (int) size);
+		exit(13);
+	}
+	return ptr;
+}
+
+char *
+xstrdup(const char *str)
+{
+	return strcpy(xmalloc(strlen(str) + 1), str);
+}