home *** CD-ROM | disk | FTP | other *** search
- /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
- *
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL. You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All Rights
- * Reserved.
- */
- #include <Types.h>
- #include <Memory.h>
-
- #include <stddef.h>
- #include <string.h>
- #include <stdlib.h>
-
- /*
-
- #include "prtypes.h"
- #ifndef NSPR20
- #include "prglobal.h"
- #endif
-
- #include "xp_mem.h"
- */
- #include "NSstring.h"
-
- extern void* Flush_Allocate(size_t, Boolean);
-
- int strcmpcore(const char*, const char*, int, int);
-
-
- /*
- size_t strlen(const char *source)
- {
- size_t currentLength = 0;
-
- if (source == NULL)
- return currentLength;
-
- while (*source++ != '\0')
- currentLength++;
-
- return currentLength;
- }
- */
-
- int strcmpcore(const char *str1, const char *str2, int caseSensitive, int length)
- {
- char currentChar1, currentChar2;
- int compareLength = (length >= 0);
-
- while (1) {
-
- if (compareLength) {
-
- if ( length <= 0 )
- return 0;
- length--;
-
- }
-
- currentChar1 = *str1;
- currentChar2 = *str2;
-
- if (!caseSensitive) {
-
- if ((currentChar1 >= 'a') && (currentChar1 <= 'z'))
- currentChar1 += ('A' - 'a');
-
- if ((currentChar2 >= 'a') && (currentChar2 <= 'z'))
- currentChar2 += ('A' - 'a');
-
-
- }
-
- if (currentChar1 == '\0')
- break;
-
- if (currentChar1 != currentChar2)
- return currentChar1 - currentChar2;
-
- str1++;
- str2++;
-
- }
-
- return currentChar1 - currentChar2;
- }
-
- /*
- int strcmp(const char *str1, const char *str2)
- {
- return strcmpcore(str1, str2, true, -1);
- }
- */
-
- int strcasecmp(const char *str1, const char *str2)
- {
- /* This doesn╒t really belong here; but since it uses strcmpcore, we╒ll keep it. */
- return strcmpcore(str1, str2, false, -1);
- }
-
-
- int strncasecmp(const char *str1, const char *str2, int length)
- {
- /* This doesn╒t really belong here; but since it uses strcmpcore, we╒ll keep it. */
- return strcmpcore(str1, str2, false, length);
- }
-
-
- char *strdup(const char *source)
- {
- char *newAllocation;
- size_t stringLength;
-
- /*
- #ifdef DEBUG
- PR_ASSERT(source);
- #endif
- */
-
- stringLength = strlen(source) + 1;
-
- /* since this gets freed by an XP_FREE, it must do an XP_ALLOC */
- /* newAllocation = (char *)XP_ALLOC(stringLength); */
- newAllocation = (char *)Flush_Allocate(stringLength, 0);
- if (newAllocation == NULL)
- return NULL;
- BlockMoveData(source, newAllocation, stringLength);
- return newAllocation;
- }
-