source/libsmb/clistr.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    client string routines
   4    Copyright (C) Andrew Tridgell 2001
   5    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22
  23 size_t clistr_push_fn(const char *function, unsigned int line,
  24                    struct cli_state *cli, void *dest,
  25                    const char *src, int dest_len, int flags)
  26 {
  27         size_t buf_used = PTR_DIFF(dest, cli->outbuf);
  28         if (dest_len == -1) {
  29                 if (((ptrdiff_t)dest < (ptrdiff_t)cli->outbuf) || (buf_used > cli->bufsize)) {
  30                         DEBUG(0, ("Pushing string of 'unlimited' length into non-SMB buffer!\n"));
  31                         return push_string_fn(function, line, cli->outbuf, dest, src, -1, flags);
  32                 }
  33                 return push_string_fn(function, line, cli->outbuf, dest, src, cli->bufsize - buf_used, flags);
  34         }
  35
  36         /* 'normal' push into size-specified buffer */
  37         return push_string_fn(function, line, cli->outbuf, dest, src, dest_len, flags);
  38 }
  39
  40 size_t clistr_pull_fn(const char *function, unsigned int line,
  41                    struct cli_state *cli, char *dest, const void *src,
  42                    int dest_len, int src_len,
  43                    int flags)
  44 {
  45         return pull_string_fn(function, line, cli->inbuf,
  46                               SVAL(cli->inbuf, smb_flg2), dest, src, dest_len,
  47                               src_len, flags);
  48 }
  49
  50
  51 size_t clistr_align_out(struct cli_state *cli, const void *p, int flags)
  52 {
  53         return align_string(cli->outbuf, (const char *)p, flags);
  54 }
  55
  56 size_t clistr_align_in(struct cli_state *cli, const void *p, int flags)
  57 {
  58         return align_string(cli->inbuf, (const char *)p, flags);
  59 }