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/*

Miranda IM: the free IM client for Microsoft* Windows*

Copyright 2000-12 Miranda IM, 2012-13 Miranda NG project,
all portions of this codebase are copyrighted to the people
listed in contributors.txt.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#include "commonheaders.h"

MIR_CORE_DLL(char*) replaceStr( char* &dest, const char *src )
{
	if ( dest != NULL )
		mir_free( dest );

	return dest = ( src != NULL ) ? mir_strdup( src ) : NULL;
}

MIR_CORE_DLL(WCHAR*) replaceStrW( WCHAR* &dest, const WCHAR *src )
{
	if ( dest != NULL )
		mir_free( dest );

	return dest = ( src != NULL ) ? mir_wstrdup( src ) : NULL;
}

MIR_CORE_DLL(char*) rtrim(char* str)
{
	if (str == NULL)
		return NULL;

	char* p = strchr(str, 0);
	while (--p >= str) {
		switch (*p) {
		case ' ': case '\t': case '\n': case '\r':
			*p = 0; break;
		default:
			return str;
		}
	}
	return str;
}

MIR_CORE_DLL(WCHAR*) wrtrim(WCHAR *str)
{
	if (str == NULL)
		return NULL;

	WCHAR* p = _tcschr(str, 0);
	while (--p >= str) {
		switch (*p) {
		case ' ': case '\t': case '\n': case '\r':
			*p = 0; break;
		default:
			return str;
		}
	}
	return str;
}

MIR_CORE_DLL(char*) ltrim(char* str)
{
	if (str == NULL)
		return NULL;

	char* p = str;
	for (;;) {
		switch (*p) {
		case ' ': case '\t': case '\n': case '\r':
			++p; break;
		default:
			memmove(str, p, strlen(p) + 1);
			return str;
		}
	}
}

MIR_CORE_DLL(char*) ltrimp(char* str)
{
	if (str == NULL)
		return NULL;

	char* p = str;
	for (;;) {
		switch (*p) {
		case ' ': case '\t': case '\n': case '\r':
			++p; break;
		default:
			return p;
		}
	}
}

MIR_CORE_DLL(int) wildcmp(char * name, char * mask)
{
	char * last='\0';
	for (;; mask++, name++) {
		if (*mask != '?' && *mask != *name) break;
		if (*name == '\0') return ((BOOL)!*mask);
	}
	if (*mask != '*') return FALSE;
	for (;; mask++, name++){
		while (*mask == '*') {
			last = mask++;
			if (*mask == '\0') return ((BOOL)!*mask);   /* true */
		}
		if (*name == '\0') return ((BOOL)!*mask);      /* *mask == EOS */
		if (*mask != '?' && *mask != *name) name -= (size_t)(mask - last) - 1, mask = last;
	}
}