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authorDarren Tucker <dtucker@dtucker.net>2018-03-03 14:56:09 +1100
committerDarren Tucker <dtucker@dtucker.net>2018-03-03 14:58:34 +1100
commit33561e68e0b27366cb769295a077aabc6a49d2a1 (patch)
treeb83b5847926eb4bc37224d97bc3d142d48f032dc /openbsd-compat/strndup.c
parente8a17feba95eef424303fb94441008f6c5347aaf (diff)
Add strndup for platforms that need it.
Some platforms don't have strndup, which includes Solaris 10, NetBSD 3 and FreeBSD 6.
Diffstat (limited to 'openbsd-compat/strndup.c')
-rw-r--r--openbsd-compat/strndup.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/openbsd-compat/strndup.c b/openbsd-compat/strndup.c
new file mode 100644
index 00000000..0fcb96f6
--- /dev/null
+++ b/openbsd-compat/strndup.c
@@ -0,0 +1,43 @@
+/* $OpenBSD: strndup.c,v 1.2 2015/08/31 02:53:57 guenther Exp $ */
+
+/*
+ * Copyright (c) 2010 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "config.h"
+#ifndef HAVE_STRNDUP
+#include <sys/types.h>
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+char *
+strndup(const char *str, size_t maxlen)
+{
+ char *copy;
+ size_t len;
+
+ len = strnlen(str, maxlen);
+ copy = malloc(len + 1);
+ if (copy != NULL) {
+ (void)memcpy(copy, str, len);
+ copy[len] = '\0';
+ }
+
+ return copy;
+}
+DEF_WEAK(strndup);
+#endif /* HAVE_STRNDUP */