X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;ds=sidebyside;f=functions%2Fstring%2Fstrpbrk.c;h=1615ce3ff9d75cddfab8c16ec5120274845681e2;hb=da0f3f353d417fed71f358a48d5d5394145e460d;hp=78e2d65ae8081011b3b73ac6f715542ed44a8a58;hpb=34893ecc2200dc7017c36a54cb6c5f4c2378b5ec;p=pdclib

diff --git a/functions/string/strpbrk.c b/functions/string/strpbrk.c
index 78e2d65..1615ce3 100644
--- a/functions/string/strpbrk.c
+++ b/functions/string/strpbrk.c
@@ -1,17 +1,47 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
+/* strpbrk( const char *, const char * )
 
-// ----------------------------------------------------------------------------
-// C++
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
 
-const char * strpbrk( const char * s1, const char * s2 ) { /* TODO */ };
-char * strpbrk( char * s1, const char * s2 ) { /* TODO */ };
+#include <string.h>
 
-// ----------------------------------------------------------------------------
-// Standard C
+#ifndef REGTEST
 
-char * strpbrk( const char *s1, const char * s2 ) { /* TODO */ };
+char * strpbrk( const char * s1, const char * s2 )
+{
+    const char * p1 = s1;
+    const char * p2;
+    while ( *p1 )
+    {
+        p2 = s2;
+        while ( *p2 )
+        {
+            if ( *p1 == *p2++ )
+            {
+                return (char *) p1;
+            }
+        }
+        ++p1;
+    }
+    return NULL;
+}
+
+#endif
+
+#ifdef TEST
+#include "_PDCLIB_test.h"
+
+int main( void )
+{
+    TESTCASE( strpbrk( abcde, "x" ) == NULL );
+    TESTCASE( strpbrk( abcde, "xyz" ) == NULL );
+    TESTCASE( strpbrk( abcdx, "x" ) == &abcdx[4] );
+    TESTCASE( strpbrk( abcdx, "xyz" ) == &abcdx[4] );
+    TESTCASE( strpbrk( abcdx, "zyx" ) == &abcdx[4] );
+    TESTCASE( strpbrk( abcde, "a" ) == &abcde[0] );
+    TESTCASE( strpbrk( abcde, "abc" ) == &abcde[0] );
+    TESTCASE( strpbrk( abcde, "cba" ) == &abcde[0] );
+    return TEST_RESULTS;
+}
+#endif