X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fstrcspn.c;h=01f10e59bf0ab2da253c5004fb087f7b0b134cfd;hb=2f57d79a5a24856fdea69b2119d67e5fb5029b3e;hp=0417d512c45093187c9358c04aadfda0e95ddeb7;hpb=c2f1367984ba4153d892062759c3813020b65a9a;p=pdclib

diff --git a/functions/string/strcspn.c b/functions/string/strcspn.c
index 0417d51..01f10e5 100644
--- a/functions/string/strcspn.c
+++ b/functions/string/strcspn.c
@@ -10,16 +10,16 @@
 
 #include <string.h>
 
-size_t strcspn( const char * src_1, const char * src_2 )
+size_t strcspn( const char * s1, const char * s2 )
 {
     size_t len = 0;
-    const char * src_p;
-    while ( src_1[len] != '\0' )
+    const char * p;
+    while ( s1[len] )
     {
-        src_p = src_2;
-        while ( *src_p != '\0' )
+        p = s2;
+        while ( *p )
         {
-            if ( src_1[len] == *src_p++ )
+            if ( s1[len] == *p++ )
             {
                 return len;
             }
@@ -28,3 +28,22 @@ size_t strcspn( const char * src_1, const char * src_2 )
     }
     return len;
 }
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main()
+{
+    BEGIN_TESTS;
+    TESTCASE( strcspn( abcde, "x" ) == 5 );
+    TESTCASE( strcspn( abcde, "xyz" ) == 5 );
+    TESTCASE( strcspn( abcde, "zyx" ) == 5 );
+    TESTCASE( strcspn( abcdx, "x" ) == 4 );
+    TESTCASE( strcspn( abcdx, "xyz" ) == 4 );
+    TESTCASE( strcspn( abcdx, "zyx" ) == 4 );
+    TESTCASE( strcspn( abcde, "a" ) == 0 );
+    TESTCASE( strcspn( abcde, "abc" ) == 0 );
+    TESTCASE( strcspn( abcde, "cba" ) == 0 );
+    return TEST_RESULTS;
+}
+#endif