X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstring%2Fstrxfrm.c;h=4f5e4a099bb1902f502b26dce62faa77ef1dce97;hb=c3a9288707c2071ac38666bb23e1face3d2efa0c;hp=af98c184071c2c8eadbef99151f94f6eacbafc8f;hpb=ba5eff8dd9b426485e1559b5d6204692d155d9e8;p=pdclib

diff --git a/functions/string/strxfrm.c b/functions/string/strxfrm.c
index af98c18..4f5e4a0 100644
--- a/functions/string/strxfrm.c
+++ b/functions/string/strxfrm.c
@@ -1,17 +1,16 @@
 /* $Id$ */
 
-/* Release $Name$ */
-
 /* strxfrm( char *, const char *, size_t )
 
    This file is part of the Public Domain C Library (PDCLib).
    Permission is granted to use, modify, and / or redistribute at will.
 */
 
-#include <_PDCLIB_aux.h>
 #include <string.h>
 
-/* TODO: Dummy function, no locale support yet. */
+#ifndef REGTEST
+
+#include <locale.h>
 
 size_t strxfrm( char * _PDCLIB_restrict s1, const char * _PDCLIB_restrict s2, size_t n )
 {
@@ -21,16 +20,30 @@ size_t strxfrm( char * _PDCLIB_restrict s1, const char * _PDCLIB_restrict s2, si
         /* Cannot use strncpy() here as the filling of s1 with '\0' is not part
            of the spec.
         */
-        while ( n-- && ( *s1++ = *s2++ ) );
+        while ( n-- && ( *s1++ = _PDCLIB_lconv.ctype[(unsigned char)*s2++].collation ) );
     }
     return len;
 }
 
-#warning Test driver missing.
+#endif
 
 #ifdef TEST
-int main()
+#include <_PDCLIB_test.h>
+
+int main( void )
 {
-    return 0;
+    char s[] = "xxxxxxxxxxx";
+    TESTCASE( strxfrm( NULL, "123456789012", 0 ) == 12 );
+    TESTCASE( strxfrm( s, "123456789012", 12 ) == 12 );
+    /*
+    The following test case is true in *this* implementation, but doesn't have to.
+    TESTCASE( s[0] == 'x' );
+    */
+    TESTCASE( strxfrm( s, "1234567890", 11 ) == 10 );
+    TESTCASE( s[0] == '1' );
+    TESTCASE( s[9] == '0' );
+    TESTCASE( s[10] == '\0' );
+    return TEST_RESULTS;
 }
 #endif
+