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-rw-r--r--nsprpub/lib/libc/src/strdup.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/nsprpub/lib/libc/src/strdup.c b/nsprpub/lib/libc/src/strdup.c
new file mode 100644
index 000000000..c267147ce
--- /dev/null
+++ b/nsprpub/lib/libc/src/strdup.c
@@ -0,0 +1,53 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "plstr.h"
+#include "prmem.h"
+#include <string.h>
+
+PR_IMPLEMENT(char *)
+PL_strdup(const char *s)
+{
+ char *rv;
+ size_t n;
+
+ if( (const char *)0 == s )
+ s = "";
+
+ n = strlen(s) + 1;
+
+ rv = (char *)malloc(n);
+ if( (char *)0 == rv ) return rv;
+
+ (void)memcpy(rv, s, n);
+
+ return rv;
+}
+
+PR_IMPLEMENT(void)
+PL_strfree(char *s)
+{
+ free(s);
+}
+
+PR_IMPLEMENT(char *)
+PL_strndup(const char *s, PRUint32 max)
+{
+ char *rv;
+ size_t l;
+
+ if( (const char *)0 == s )
+ s = "";
+
+ l = PL_strnlen(s, max);
+
+ rv = (char *)malloc(l+1);
+ if( (char *)0 == rv ) return rv;
+
+ (void)memcpy(rv, s, l);
+ rv[l] = '\0';
+
+ return rv;
+}