-/* ----------------------------------------------------------------------------
- * $Id$
- * ----------------------------------------------------------------------------
- * Public Domain C Library - http://pdclib.sourceforge.net
- * This code is Public Domain. Use, modify, and redistribute at will.
- * --------------------------------------------------------------------------*/
+/* $Id$ */
-#include <__NULL.h>
+/* strchr( const char *, int )
-char * strchr( const char * src, int c )
+ This file is part of the Public Domain C Library (PDCLib).
+ Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <string.h>
+
+#ifndef REGTEST
+
+char * strchr( const char * s, int c )
{
- while ( *src != '\0' )
+ do
{
- if ( *src == (const char) c )
+ if ( *s == (char) c )
{
- return (char *) src;
+ return (char *) s;
}
- ++src;
- }
+ } while ( *s++ );
return NULL;
}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+ char abccd[] = "abccd";
+ TESTCASE( strchr( abccd, 'x' ) == NULL );
+ TESTCASE( strchr( abccd, 'a' ) == &abccd[0] );
+ TESTCASE( strchr( abccd, 'd' ) == &abccd[4] );
+ TESTCASE( strchr( abccd, '\0' ) == &abccd[5] );
+ TESTCASE( strchr( abccd, 'c' ) == &abccd[2] );
+ return TEST_RESULTS;
+}
+#endif