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/*
Unix SMB/CIFS implementation.
fixed string functions
Copyright (C) Igor Vergeichik <iverg@mail.ru> 2001
Copyright (C) Andrew Tridgell 2001
Copyright (C) Simo Sorce 2001
Copyright (C) Martin Pool 2003
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
size_t push_ascii_fstring(void *dest, const char *src)
{
return push_ascii(dest, src, sizeof(fstring), STR_TERMINATE);
}
/********************************************************************
Push an nstring (a netbios string)
this function uses convert_string_error() to avoid common debug
warnings where is unable to convert strings to CH_DOS. The target
string is truncated at the first character that cannot be converted
The target is always null terminated.
********************************************************************/
size_t push_ascii_nstring(void *dest, const char *src)
{
size_t converted_size = 0;
bool ret = convert_string_error(CH_UNIX, CH_DOS, src, -1, dest, sizeof(nstring), &converted_size);
if (ret) {
SCVAL(dest, sizeof(nstring)-1, 0);
} else {
SCVAL(dest, 0, 0);
}
return ret ? converted_size : (size_t)-1;
}
size_t pull_ascii_fstring(char *dest, const void *src)
{
return pull_ascii(dest, src, sizeof(fstring), -1, STR_TERMINATE);
}
/* When pulling an nstring it can expand into a larger size (dos cp -> utf8). Cope with this. */
size_t pull_ascii_nstring(char *dest, size_t dest_len, const void *src)
{
return pull_ascii(dest, src, dest_len, sizeof(nstring), STR_TERMINATE);
}
/**
Copy a string from a char* src to a UTF-8 destination.
Return the number of bytes occupied by the string in the destination
Flags can have:
STR_TERMINATE means include the null termination
STR_UPPER means uppercase in the destination
dest_len is the maximum length allowed in the destination. If dest_len
is -1 then no maxiumum is used.
**/
static size_t push_utf8(void *dest, const char *src, size_t dest_len, int flags)
{
size_t src_len = 0;
size_t size = 0;
bool ret;
char *tmpbuf = NULL;
if (dest_len == (size_t)-1) {
/* No longer allow dest_len of -1. */
smb_panic("push_utf8 - invalid dest_len of -1");
}
if (flags & STR_UPPER) {
tmpbuf = strupper_talloc(talloc_tos(), src);
if (!tmpbuf) {
return (size_t)-1;
}
src = tmpbuf;
src_len = strlen(src);
}
src_len = strlen(src);
if (flags & STR_TERMINATE) {
src_len++;
}
ret = convert_string(CH_UNIX, CH_UTF8, src, src_len, dest, dest_len, &size);
TALLOC_FREE(tmpbuf);
return ret ? size : (size_t)-1;
}
size_t push_utf8_fstring(void *dest, const char *src)
{
return push_utf8(dest, src, sizeof(fstring), STR_TERMINATE);
}
size_t pull_ucs2_fstring(char *dest, const void *src)
{
return pull_ucs2(NULL, dest, src, sizeof(fstring), -1, STR_TERMINATE);
}
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