X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fmemchr.c;h=6402dc271a0d63d56c98e36d0452d43e4f4a365d;hb=d02f38605b53cdff5460cc6b9e1b2a80c3a2ba4c;hp=9aef229e69f040f5b74b150c3987f633ba692a13;hpb=c0169638bd02098717cb23fbbca3bcc4e4caccf0;p=pdclib

diff --git a/functions/string/memchr.c b/functions/string/memchr.c
index 9aef229..6402dc2 100644
--- a/functions/string/memchr.c
+++ b/functions/string/memchr.c
@@ -10,6 +10,8 @@
 
 #include <string.h>
 
+#ifndef REGTEST
+
 void * memchr( const void * s, int c, size_t n )
 {
     const unsigned char * p = (const unsigned char *) s;
@@ -24,4 +26,18 @@ void * memchr( const void * s, int c, size_t n )
     return NULL;
 }
 
-#warning Test driver missing.
+#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