X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Fstring%2Fstrspn.c;h=8869a846834607887a9c25bc50aef3f9baf2fc9c;hp=55cf29a084aa87f8ae2e5b2f8522b99e2f8a70d7;hb=da0f3f353d417fed71f358a48d5d5394145e460d;hpb=1d9d92ba957a0b8307c9a65c35867fde68e6533b

diff --git a/functions/string/strspn.c b/functions/string/strspn.c
index 55cf29a..8869a84 100644
--- a/functions/string/strspn.c
+++ b/functions/string/strspn.c
@@ -1,28 +1,29 @@
-/* ----------------------------------------------------------------------------
- * $Id$
- * ----------------------------------------------------------------------------
- * Public Domain C Library - http://pdclib.sourceforge.net
- * This code is Public Domain. Use, modify, and redistribute at will.
- * --------------------------------------------------------------------------*/
+/* strspn( const char *, const char * )
 
-#include <__size_t.h>
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
 
-size_t strspn( const char * src_1, const char * src_2 )
+#include <string.h>
+
+#ifndef REGTEST
+
+size_t strspn( const char * s1, const char * s2 )
 {
     size_t len = 0;
     const char * p;
-    while ( src_1[ len ] != '\0' )
+    while ( s1[ len ] )
     {
-        p = src_2;
-        while ( *p != '\0' )
+        p = s2;
+        while ( *p )
         {
-            if ( *src_1 == *p )
+            if ( s1[len] == *p )
             {
                 break;
             }
             ++p;
         }
-        if ( *p == '\0' )
+        if ( ! *p )
         {
             return len;
         }
@@ -30,3 +31,17 @@ size_t strspn( const char * src_1, const char * src_2 )
     }
     return len;
 }
+
+#endif
+
+#ifdef TEST
+#include "_PDCLIB_test.h"
+
+int main( void )
+{
+    TESTCASE( strspn( abcde, "abc" ) == 3 );
+    TESTCASE( strspn( abcde, "b" ) == 0 );
+    TESTCASE( strspn( abcde, abcde ) == 5 );
+    return TEST_RESULTS;
+}
+#endif