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/*
Unix SMB/Netbios implementation.
Version 1.9.
Samba utility functions
Copyright (C) Andrew Tridgell 1992-1998
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
/*******************************************************************
write a string in unicoode format
********************************************************************/
int PutUniCode(char *dst,char *src)
{
int ret = 0;
while (*src) {
dst[ret++] = src[0];
dst[ret++] = 0;
src++;
}
dst[ret++]=0;
dst[ret++]=0;
return(ret);
}
/*******************************************************************
skip past some unicode strings in a buffer
********************************************************************/
char *skip_unicode_string(char *buf,int n)
{
while (n--)
{
while (*buf)
buf += 2;
buf += 2;
}
return(buf);
}
/*******************************************************************
Return a ascii version of a unicode string
Hack alert: uses fixed buffer(s) and only handles ascii strings
********************************************************************/
#define MAXUNI 1024
char *unistrn2(uint16 *buf, int len)
{
static char lbufs[8][MAXUNI];
static int nexti;
char *lbuf = lbufs[nexti];
char *p;
nexti = (nexti+1)%8;
for (p = lbuf; *buf && p-lbuf < MAXUNI-2 && len > 0; len--, p++, buf++)
{
*p = *buf;
}
*p = 0;
return lbuf;
}
static char lbufs[8][MAXUNI];
static int nexti;
/*******************************************************************
Return a ascii version of a unicode string
Hack alert: uses fixed buffer(s) and only handles ascii strings
********************************************************************/
#define MAXUNI 1024
char *unistr2(uint16 *buf)
{
char *lbuf = lbufs[nexti];
char *p;
nexti = (nexti+1)%8;
for (p = lbuf; *buf && p-lbuf < MAXUNI-2; p++, buf++)
{
*p = *buf;
}
*p = 0;
return lbuf;
}
/*******************************************************************
Return a ascii version of a unicode string
********************************************************************/
char *unistr2_to_str(UNISTR2 *str)
{
char *lbuf = lbufs[nexti];
char *p;
uint16 *buf = str->buffer;
int max_size = MIN(sizeof(str->buffer)-2, str->uni_str_len);
nexti = (nexti+1)%8;
for (p = lbuf; *buf && p-lbuf < max_size; p++, buf++)
{
*p = *buf;
}
*p = 0;
return lbuf;
}
/*******************************************************************
Return a number stored in a buffer
********************************************************************/
uint32 buffer2_to_uint32(BUFFER2 *str)
{
if (str->buf_len == 4)
{
return IVAL(str->buffer, 0);
}
else
{
return 0;
}
}
/*******************************************************************
Return a ascii version of a NOTunicode string
********************************************************************/
char *buffer2_to_str(BUFFER2 *str)
{
char *lbuf = lbufs[nexti];
char *p;
uint16 *buf = str->buffer;
int max_size = MIN(sizeof(str->buffer)-2, str->buf_len/2);
nexti = (nexti+1)%8;
for (p = lbuf; *buf && p-lbuf < max_size; p++, buf++)
{
*p = *buf;
}
*p = 0;
return lbuf;
}
/*******************************************************************
Return a ascii version of a NOTunicode string
********************************************************************/
char *buffer2_to_multistr(BUFFER2 *str)
{
char *lbuf = lbufs[nexti];
char *p;
uint16 *buf = str->buffer;
int max_size = MIN(sizeof(str->buffer)-2, str->buf_len/2);
nexti = (nexti+1)%8;
for (p = lbuf; p-lbuf < max_size; p++, buf++)
{
if (*buf == 0)
{
*p = ' ';
}
else
{
*p = *buf;
}
}
*p = 0;
return lbuf;
}
/*******************************************************************
create a null-terminated unicode string from a null-terminated ascii string.
return number of unicode chars copied, excluding the null character.
only handles ascii strings
********************************************************************/
#define MAXUNI 1024
int struni2(uint16 *p, char *buf)
{
int len = 0;
if (p == NULL) return 0;
if (buf != NULL)
{
for (; *buf && len < MAXUNI-2; len++, p++, buf++)
{
*p = *buf;
}
}
*p = 0;
return len;
}
/*******************************************************************
Return a ascii version of a unicode string
Hack alert: uses fixed buffer(s) and only handles ascii strings
********************************************************************/
#define MAXUNI 1024
char *unistr(char *buf)
{
char *lbuf = lbufs[nexti];
char *p;
nexti = (nexti+1)%8;
for (p = lbuf; *buf && p-lbuf < MAXUNI-2; p++, buf += 2)
{
*p = *buf;
}
*p = 0;
return lbuf;
}
/*******************************************************************
strcpy for unicode strings. returns length (in num of wide chars)
********************************************************************/
int unistrcpy(char *dst, char *src)
{
int num_wchars = 0;
while (*src)
{
*dst++ = *src++;
*dst++ = *src++;
num_wchars++;
}
*dst++ = 0;
*dst++ = 0;
return num_wchars;
}
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