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-rw-r--r--libmisc/xmalloc.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/libmisc/xmalloc.c b/libmisc/xmalloc.c
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--- /dev/null
+++ b/libmisc/xmalloc.c
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+/*
+ * SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh
+ * SPDX-FileCopyrightText: 1996 - 1998, Marek Michałkiewicz
+ * SPDX-FileCopyrightText: 2003 - 2006, Tomasz Kłoczko
+ * SPDX-FileCopyrightText: 2008 , Nicolas François
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/* 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>
+
+#ident "$Id$"
+
+#include <stdio.h>
+#include <errno.h>
+#include "defines.h"
+#include "prototypes.h"
+#include "shadowlog.h"
+
+/*@maynotreturn@*/ /*@only@*//*@out@*//*@notnull@*/void *xmalloc (size_t size)
+{
+ void *ptr;
+
+ ptr = malloc (size);
+ if (NULL == ptr) {
+ (void) fprintf (log_get_logfd(),
+ _("%s: failed to allocate memory: %s\n"),
+ log_get_progname(), strerror (errno));
+ exit (13);
+ }
+ return ptr;
+}
+
+/*@maynotreturn@*/ /*@only@*//*@notnull@*/char *xstrdup (const char *str)
+{
+ return strcpy (xmalloc (strlen (str) + 1), str);
+}