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-rw-r--r--libc/string/strxfrm.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/libc/string/strxfrm.c b/libc/string/strxfrm.c
new file mode 100644
index 000000000..5acb824c3
--- /dev/null
+++ b/libc/string/strxfrm.c
@@ -0,0 +1,47 @@
+/* vi: set sw=4 ts=4: */
+/* strxfrm for uClibc
+ *
+ * Copyright (C) 2002 by Erik Andersen <andersen@uclibc.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Library General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <string.h>
+
+size_t strxfrm(char *dst, const char *src, size_t len)
+{
+ size_t length;
+ register char *ptr1, *ptr2;
+
+ length = len;
+ ptr1 = (char *) dst;
+ ptr2 = (char *) src;
+ while (length--) {
+ if (*ptr2)
+ *ptr1++ = *ptr2++;
+ else
+ *ptr1++ = '\0';
+ }
+ /* The first while loop should have done much of the heavy
+ * lifting for us. This second look will finish the job if
+ * that is necessary */
+ while (*ptr2)
+ ptr2++;
+ length = (ptr2 - src);
+
+ if (length<len)
+ return(length);
+ return(len);
+}