Re-import from Subversion.

[pdclib] / functions / string / strcspn.c

diff --git a/functions/string/strcspn.c b/functions/string/strcspn.c
index 80c620cb03c8749e514c7d81caefd9372ce5a01b..7c4d9b8c58054576394f2111ed88d259de8943aa 100644 (file)
--- a/functions/string/strcspn.c
+++ b/functions/string/strcspn.c
@@ -1,8 +1,27 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
+/* ----------------------------------------------------------------------------
+ * $Id$
+ * ----------------------------------------------------------------------------
+ * Public Domain C Library - http://pdclib.sourceforge.net
+ * This code is Public Domain. Use, modify, and redistribute at will.
+ * --------------------------------------------------------------------------*/
 
-size_t strcspn( const char * s1, const char * s2 ) { /* TODO */ };
+#include <__size_t.h>
+
+size_t strcspn( const char * src_1, const char * src_2 )
+{
+    size_t len = 0;
+    const char * src_p;
+    while ( src_1[len] != '\0' )
+    {
+        src_p = src_2;
+        while ( *src_p != '\0' )
+        {
+            if ( src_1[len] == *src_p++ )
+            {
+                return len;
+            }
+        }
+        ++len;
+    }
+    return len;
+}