summaryrefslogtreecommitdiffstats
path: root/libmisc/xmalloc.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:54:37 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:54:37 +0000
commit97c26c1924b076ef23ebe4381558e8aa025712b2 (patch)
tree109724175f07436696f51b14b5abbd3f4d704d6d /libmisc/xmalloc.c
parentInitial commit. (diff)
downloadshadow-upstream.tar.xz
shadow-upstream.zip
Adding upstream version 1:4.13+dfsg1.upstream/1%4.13+dfsg1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libmisc/xmalloc.c')
-rw-r--r--libmisc/xmalloc.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/libmisc/xmalloc.c b/libmisc/xmalloc.c
new file mode 100644
index 0000000..056d472
--- /dev/null
+++ b/libmisc/xmalloc.c
@@ -0,0 +1,46 @@
+/*
+ * 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);
+}