[ros-diffs] [gschneider] 38178: - Update _mbsbtype and _mbsninc functions - Fixes 17 msvcrt string tests, 16 to go

[gschneider at svn.reactos.org]

Author: gschneider
Date: Thu Dec 18 14:26:57 2008
New Revision: 38178

URL: http://svn.reactos.org/svn/reactos?rev=38178&view=rev
Log:
- Update _mbsbtype and _mbsninc functions
- Fixes 17 msvcrt string tests, 16 to go

Modified:
    trunk/reactos/lib/sdk/crt/mbstring/mbbtype.c
    trunk/reactos/lib/sdk/crt/mbstring/mbsninc.c

Modified: trunk/reactos/lib/sdk/crt/mbstring/mbbtype.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/sdk/crt/mbstring/mbbtype.c?rev=38178&r1=38177&r2=38178&view=diff
==============================================================================
--- trunk/reactos/lib/sdk/crt/mbstring/mbbtype.c [iso-8859-1] (original)
+++ trunk/reactos/lib/sdk/crt/mbstring/mbbtype.c [iso-8859-1] Thu Dec 18 14:26:57 2008
@@ -1,11 +1,13 @@
 /*
  * COPYRIGHT:   See COPYING in the top level directory
  * PROJECT:     ReactOS system libraries
- * FILE:        lib/msvcrt/mbstring/mbbtype.c
+ * FILE:        lib/sdk/crt/mbstring/mbbtype.c
  * PURPOSE:     Determines the type of a multibyte character
- * PROGRAMER:   Ariadne
- * UPDATE HISTORY:
- *              12/04/99: Created
+ * PROGRAMERS:   
+ *              Copyright 1999 Ariadne
+ *              Copyright 1999 Alexandre Julliard
+ *              Copyright 2000 Jon Griffths
+ *
  */
 
 #include <precomp.h>
@@ -48,7 +50,28 @@
  */
 int _mbsbtype( const unsigned char *str, size_t n )
 {
-	if ( str == NULL )
-		return -1;
-	return _mbbtype(*(str+n),1);
+  int lead = 0;
+  const unsigned char *end = str + n;
+
+  /* Lead bytes can also be trail bytes so we need to analyse the string.
+   * Also we must return _MBC_ILLEGAL for chars past the end of the string
+   */
+  while (str < end) /* Note: we skip the last byte - will check after the loop */
+  {
+    if (!*str)
+      return _MBC_ILLEGAL;
+    lead = !lead && _ismbblead(*str);
+    str++;
+  }
+
+  if (lead)
+    if (_ismbbtrail(*str))
+      return _MBC_TRAIL;
+    else
+      return _MBC_ILLEGAL;
+  else
+    if (_ismbblead(*str))
+      return _MBC_LEAD;
+    else
+      return _MBC_SINGLE;
 }

Modified: trunk/reactos/lib/sdk/crt/mbstring/mbsninc.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/sdk/crt/mbstring/mbsninc.c?rev=38178&r1=38177&r2=38178&view=diff
==============================================================================
--- trunk/reactos/lib/sdk/crt/mbstring/mbsninc.c [iso-8859-1] (original)
+++ trunk/reactos/lib/sdk/crt/mbstring/mbsninc.c [iso-8859-1] Thu Dec 18 14:26:57 2008
@@ -1,3 +1,16 @@
+/*
+ * COPYRIGHT:   See COPYING in the top level directory
+ * PROJECT:     ReactOS system libraries
+ * FILE:        lib/sdk/crt/mbstring/mbsninc.c
+ * PURPOSE:     
+ * PROGRAMERS:   
+  *              Copyright 1999 Alexandre Julliard
+ *              Copyright 2000 Jon Griffths
+ *
+ */
+
+#include <precomp.h>
+
 #include <mbstring.h>
 
 /*
@@ -5,12 +18,20 @@
  */
 unsigned char * _mbsninc(const unsigned char *str, size_t n)
 {
-	unsigned char *s = (unsigned char *)str;
-	while(*s != 0 && n > 0) {
-		if (!_ismbblead(*s) )
-			n--;
-		s++;
-	}
+  if(!str)
+    return NULL;
 
-	return s;
+  while (n > 0 && *str)
+  {
+    if (_ismbblead(*str))
+    {
+      if (!*(str+1))
+         break;
+      str++;
+    }
+    str++;
+    n--;
+  }
+
+  return (unsigned char*)str;
 }