From 7e0f021a9aec35fd8e6725e87e3313b101d26f5e Mon Sep 17 00:00:00 2001
From: Tobias Klauser <tklauser@distanz.ch>
Date: Sun, 27 Jan 2008 11:37:44 +0100
Subject: Initial import (2.0.2-6)

---
 reference/C/CONTRIB/SNIP/strrev.c | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100755 reference/C/CONTRIB/SNIP/strrev.c

(limited to 'reference/C/CONTRIB/SNIP/strrev.c')

diff --git a/reference/C/CONTRIB/SNIP/strrev.c b/reference/C/CONTRIB/SNIP/strrev.c
new file mode 100755
index 0000000..20d9952
--- /dev/null
+++ b/reference/C/CONTRIB/SNIP/strrev.c
@@ -0,0 +1,37 @@
+/*
+**  STRREV.C - reverse a string in place
+**
+**  public domain by Bob Stout
+*/
+
+#include <string.h>
+
+char *strrev(char *str)
+{
+      char *p1, *p2;
+
+      if (! str || ! *str)
+            return str;
+      for (p1 = str, p2 = str + strlen(str) - 1; p2 > p1; ++p1, --p2)
+      {
+            *p1 ^= *p2;
+            *p2 ^= *p1;
+            *p1 ^= *p2;
+      }
+      return str;
+}
+
+#ifdef TEST
+
+#include <stdio.h>
+
+int main(int argc, char *argv[])
+{
+      while (--argc)
+      {
+            printf("\"%s\" backwards is ", *++argv);
+            printf("\"%s\"\n", strrev(*argv));
+      }
+}
+
+#endif /* TEST */
-- 
cgit v1.2.3-54-g00ecf