Added #ifdef to allow regression against system lib.

[pdclib] / functions / string / strchr.c

diff --git a/functions/string/strchr.c b/functions/string/strchr.c
index ec296cbce33cab48ae8b9aeaa6fed4500710c83b..15155a4f41f625f772c4059a9145339b5700a4a2 100644 (file)
--- a/functions/string/strchr.c
+++ b/functions/string/strchr.c
@@ -10,6 +10,8 @@
 
 #include <string.h>
 
+#ifndef REGTEST
+
 char * strchr( const char * s, int c )
 {
     do
@@ -22,11 +24,20 @@ char * strchr( const char * s, int c )
     return NULL;
 }
 
-#warning Test driver missing.
+#endif
 
 #ifdef TEST
+#include <_PDCLIB_test.h>
+
 int main()
 {
-    return 0;
+    char abccd[] = "abccd";
+    BEGIN_TESTS;
+    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