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232fb016a1
This replaces the push_ascii_nstring() implementation with a call to convert_string_error() Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
112 lines
3.3 KiB
C
112 lines
3.3 KiB
C
/*
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Unix SMB/CIFS implementation.
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fixed string functions
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Copyright (C) Igor Vergeichik <iverg@mail.ru> 2001
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Copyright (C) Andrew Tridgell 2001
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Copyright (C) Simo Sorce 2001
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Copyright (C) Martin Pool 2003
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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size_t push_ascii_fstring(void *dest, const char *src)
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{
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return push_ascii(dest, src, sizeof(fstring), STR_TERMINATE);
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}
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/********************************************************************
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Push an nstring (a netbios string)
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this function uses convert_string_error() to avoid common debug
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warnings where is unable to convert strings to CH_DOS. The target
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string is truncated at the first character that cannot be converted
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The target is always null terminated. The resulting string size,
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without the null termination, it returned
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********************************************************************/
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size_t push_ascii_nstring(void *dest, const char *src)
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{
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ssize_t ret;
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size_t converted_size;
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ret = convert_string_error(CH_UNIX, CH_DOS, src, -1, dest, sizeof(nstring)-1, &converted_size);
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SCVAL(dest, converted_size, 0);
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return converted_size;
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}
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size_t pull_ascii_fstring(char *dest, const void *src)
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{
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return pull_ascii(dest, src, sizeof(fstring), -1, STR_TERMINATE);
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}
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/* When pulling an nstring it can expand into a larger size (dos cp -> utf8). Cope with this. */
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size_t pull_ascii_nstring(char *dest, size_t dest_len, const void *src)
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{
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return pull_ascii(dest, src, dest_len, sizeof(nstring)-1, STR_TERMINATE);
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}
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/**
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Copy a string from a char* src to a UTF-8 destination.
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Return the number of bytes occupied by the string in the destination
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Flags can have:
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STR_TERMINATE means include the null termination
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STR_UPPER means uppercase in the destination
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dest_len is the maximum length allowed in the destination. If dest_len
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is -1 then no maxiumum is used.
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**/
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static size_t push_utf8(void *dest, const char *src, size_t dest_len, int flags)
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{
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size_t src_len = 0;
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size_t ret;
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char *tmpbuf = NULL;
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if (dest_len == (size_t)-1) {
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/* No longer allow dest_len of -1. */
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smb_panic("push_utf8 - invalid dest_len of -1");
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}
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if (flags & STR_UPPER) {
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tmpbuf = strupper_talloc(talloc_tos(), src);
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if (!tmpbuf) {
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return (size_t)-1;
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}
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src = tmpbuf;
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src_len = strlen(src);
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}
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src_len = strlen(src);
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if (flags & STR_TERMINATE) {
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src_len++;
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}
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ret = convert_string(CH_UNIX, CH_UTF8, src, src_len, dest, dest_len);
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TALLOC_FREE(tmpbuf);
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return ret;
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}
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size_t push_utf8_fstring(void *dest, const char *src)
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{
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return push_utf8(dest, src, sizeof(fstring), STR_TERMINATE);
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}
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size_t pull_ucs2_fstring(char *dest, const void *src)
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{
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return pull_ucs2(NULL, dest, src, sizeof(fstring), -1, STR_TERMINATE);
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}
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