msvcrt: Use internal toupper implementation.

dlls/msvcrt/file.c

@@ -3007,7 +3007,7 @@ int CDECL MSVCRT_stat64(const char* path, struct MSVCRT__stat64 * buf)
 		 as a drive letter
   */
   if (isalpha(*path)&& (*(path+1)==':'))
-    buf->st_dev = buf->st_rdev = toupper(*path) - 'A'; /* drive num */
+    buf->st_dev = buf->st_rdev = MSVCRT__toupper_l(*path, NULL) - 'A'; /* drive num */
   else
     buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;
 

dlls/msvcrt/mbcs.c

@@ -417,7 +417,7 @@ unsigned int CDECL _mbctoupper(unsigned int c)
       FIXME("Handle MBC chars\n");
       return c;
     }
-    return toupper(c); /* ASCII CP or SB char */
+    return MSVCRT__toupper_l(c, NULL); /* ASCII CP or SB char */
 }
 
 /*********************************************************************
@@ -1977,7 +1977,7 @@ unsigned char* CDECL _mbsupr(unsigned char* s)
       *s++=c;
     }
   }
-  else for ( ; *s; s++) *s = toupper(*s);
+  else for ( ; *s; s++) *s = MSVCRT__toupper_l(*s, NULL);
   return ret;
 }
 
@@ -2011,7 +2011,7 @@ int CDECL _mbsupr_s(unsigned char* s, MSVCRT_size_t len)
       *s++=c;
     }
   }
-  else for ( ; *s && len > 0; s++, len--) *s = toupper(*s);
+  else for ( ; *s && len > 0; s++, len--) *s = MSVCRT__toupper_l(*s, NULL);
   if (*s)
   {
     *s = '\0';

dlls/msvcrt/printf.h

@@ -354,7 +354,7 @@ static inline void FUNC_NAME(pf_fixup_exponent)(char *buf, BOOL three_digit_exp)
 {
     char* tmp = buf;
 
-    while(tmp[0] && toupper(tmp[0])!='E')
+    while(tmp[0] && MSVCRT__toupper_l(tmp[0], NULL)!='E')
         tmp++;
 
     if(tmp[0] && (tmp[1]=='+' || tmp[1]=='-') &&
@@ -664,10 +664,10 @@ int FUNC_NAME(pf_printf)(FUNC_NAME(puts_clbk) pf_puts, void *puts_ctx, const API
                     sprintf(tmp, nan_str);
                 if (strchr("EFG", flags.Format))
                     for(i=0; tmp[i]; i++)
-                        tmp[i] = toupper(tmp[i]);
+                        tmp[i] = MSVCRT__toupper_l(tmp[i], NULL);
             } else {
                 sprintf(tmp, float_fmt, val);
-                if(toupper(flags.Format)=='E' || toupper(flags.Format)=='G')
+                if(MSVCRT__toupper_l(flags.Format, NULL)=='E' || MSVCRT__toupper_l(flags.Format, NULL)=='G')
                     FUNC_NAME(pf_fixup_exponent)(tmp, three_digit_exp);
             }