-/* ----------------------------------------------------------------------------
- * $Id$
- * ----------------------------------------------------------------------------
- * Public Domain C Library - http://pdclib.sourceforge.net
- * This code is Public Domain. Use, modify, and redistribute at will.
- * --------------------------------------------------------------------------*/
+/* $Id$ */
-#include <__size_t.h>
-#include <__NULL.h>
+/* memchr( const void *, int, size_t )
-void * memchr( const void * src, int c, size_t n )
+ 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
+
+void * memchr( const void * s, int c, size_t n )
{
- const unsigned char * p = (const unsigned char *) src;
+ const unsigned char * p = (const unsigned char *) s;
while ( n-- )
{
if ( *p == (unsigned char) c )
}
return NULL;
}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+ TESTCASE( memchr( abcde, 'c', 5 ) == &abcde[2] );
+ TESTCASE( memchr( abcde, 'a', 1 ) == &abcde[0] );
+ TESTCASE( memchr( abcde, 'a', 0 ) == NULL );
+ TESTCASE( memchr( abcde, '\0', 5 ) == NULL );
+ TESTCASE( memchr( abcde, '\0', 6 ) == &abcde[5] );
+ return TEST_RESULTS;
+}
+
+#endif