summaryrefslogtreecommitdiffstats
path: root/strings/strnmov.c
diff options
context:
space:
mode:
Diffstat (limited to 'strings/strnmov.c')
-rw-r--r--strings/strnmov.c46
1 files changed, 46 insertions, 0 deletions
diff --git a/strings/strnmov.c b/strings/strnmov.c
new file mode 100644
index 00000000..41d772c6
--- /dev/null
+++ b/strings/strnmov.c
@@ -0,0 +1,46 @@
+/* Copyright (c) 2000 TXT DataKonsult Ab & Monty Program Ab
+ Copyright (c) 2009-2011, Monty Program Ab
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions are
+ met:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+
+ THIS SOFTWARE IS PROVIDED BY <COPYRIGHT HOLDER> ``AS IS'' AND ANY
+ EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> OR
+ CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ SUCH DAMAGE.
+*/
+
+/*
+ strnmov(dst,src,length) moves length characters, or until end, of src to
+ dst and appends a closing NUL to dst if src is shorter than length.
+ The result is a pointer to the first NUL in dst, or is dst+n if dst was
+ truncated.
+*/
+
+#include "strings_def.h"
+
+char *strnmov(register char *dst, register const char *src, size_t n)
+{
+ while (n-- != 0) {
+ if (!(*dst++ = *src++)) {
+ return (char*) dst-1;
+ }
+ }
+ return dst;
+}