Merger from rtems-4-6-branch.

1 files changed, 41 insertions, 0 deletions

diff --git a/cpukit/libcsupport/src/strlcat.c b/cpukit/libcsupport/src/strlcat.c
new file mode 100644
index 0000000000..e0424eef7b
--- /dev/null
+++ b/cpukit/libcsupport/src/strlcat.c
@@ -0,0 +1,41 @@
+/*
+ * utils.c - various utility functions used in pppd.
+ *
+ * Copyright (c) 1999 The Australian National University.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the Australian National University.  The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+
+#ifndef HAVE_STRLCAT
+/*
+ * strlcat - like strcat/strncat, doesn't overflow destination buffer,
+ * always leaves destination null-terminated (for len > 0).
+ */
+size_t
+strlcat(dest, src, len)
+    char *dest;
+    const char *src;
+    size_t len;
+{
+    size_t dlen = strlen(dest);
+
+    return dlen + strlcpy(dest + dlen, src, (len > dlen? len - dlen: 0));
+}
+#endif