X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fstrtok.c;h=e57507a890476f98a9f4e78de417cf506ec3e2fc;hb=b1fc26afebd4d557ff89a44bc21767a8704c3809;hp=4d371afe29b0a6f392f4d5540b65a09e74c58e05;hpb=bdaff7ee88189505e6b66699571034aed015a3bd;p=pdclib

diff --git a/functions/string/strtok.c b/functions/string/strtok.c
index 4d371af..e57507a 100644
--- a/functions/string/strtok.c
+++ b/functions/string/strtok.c
@@ -1,7 +1,3 @@
-/* $Id$ */
-
-/* Release $Name$ */
-
 /* strtok( char *, const char * )
 
    This file is part of the Public Domain C Library (PDCLib).
@@ -10,11 +6,12 @@
 
 #include <string.h>
 
+#ifndef REGTEST
+
 char * strtok( char * _PDCLIB_restrict s1, const char * _PDCLIB_restrict s2 )
 {
     static char * tmp = NULL;
     const char * p = s2;
-    size_t len;
 
     if ( s1 != NULL )
     {
@@ -69,7 +66,40 @@ char * strtok( char * _PDCLIB_restrict s1, const char * _PDCLIB_restrict s2 )
     }
 
     /* parsed to end of string */
-    return ( tmp = NULL );
+    tmp = NULL;
+    return s1;
 }
 
-#warning Test driver missing.
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    char s[] = "_a_bc__d_";
+    TESTCASE( strtok( s, "_" ) == &s[1] );
+    TESTCASE( s[1] == 'a' );
+    TESTCASE( s[2] == '\0' );
+    TESTCASE( strtok( NULL, "_" ) == &s[3] );
+    TESTCASE( s[3] == 'b' );
+    TESTCASE( s[4] == 'c' );
+    TESTCASE( s[5] == '\0' );
+    TESTCASE( strtok( NULL, "_" ) == &s[7] );
+    TESTCASE( s[6] == '_' );
+    TESTCASE( s[7] == 'd' );
+    TESTCASE( s[8] == '\0' );
+    TESTCASE( strtok( NULL, "_" ) == NULL );
+    strcpy( s, "ab_cd" );
+    TESTCASE( strtok( s, "_" ) == &s[0] );
+    TESTCASE( s[0] == 'a' );
+    TESTCASE( s[1] == 'b' );
+    TESTCASE( s[2] == '\0' );
+    TESTCASE( strtok( NULL, "_" ) == &s[3] );
+    TESTCASE( s[3] == 'c' );
+    TESTCASE( s[4] == 'd' );
+    TESTCASE( s[5] == '\0' );
+    TESTCASE( strtok( NULL, "_" ) == NULL );
+    return TEST_RESULTS;
+}
+#endif