-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// 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;
}
}
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