X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fstrchr.c;h=19a29a80b9ab27ec5356752e6ce47cb022a325ed;hb=12e17136786afb1775c9dc946cbe41f5e230c24a;hp=a575f6deea1b15e44b65ef94826a1f1ddc607b29;hpb=2d7dabdc5e2d6cff488f45c7e917abe1f7e1559a;p=pdclib.old

diff --git a/functions/string/strchr.c b/functions/string/strchr.c
index a575f6d..19a29a8 100644
--- 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
@@ -22,4 +24,19 @@ char * strchr( const char * s, int c )
     return NULL;
 }
 
-#warning Test driver missing.
+#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