r23432: Remove superfluous comment.
[Samba/bb.git] / source3 / smbd / srvstr.c
blob409fd30a6791ac9a96e3c1ce2c059183c159bf95
1 /*
2 Unix SMB/CIFS implementation.
3 server specific string routines
4 Copyright (C) Andrew Tridgell 2001
5 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003
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 2 of the License, or
10 (at your option) any later version.
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.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include "includes.h"
23 extern int max_send;
25 /* Make sure we can't write a string past the end of the buffer */
27 size_t srvstr_push_fn(const char *function, unsigned int line,
28 const char *base_ptr, void *dest,
29 const char *src, int dest_len, int flags)
31 size_t buf_used = PTR_DIFF(dest, base_ptr);
32 if (dest_len == -1) {
33 if (((ptrdiff_t)dest < (ptrdiff_t)base_ptr) || (buf_used > (size_t)max_send)) {
34 #if 0
35 DEBUG(0, ("Pushing string of 'unlimited' length into non-SMB buffer!\n"));
36 #endif
37 return push_string_fn(function, line, base_ptr, dest, src, -1, flags);
39 return push_string_fn(function, line, base_ptr, dest, src, max_send - buf_used, flags);
42 /* 'normal' push into size-specified buffer */
43 return push_string_fn(function, line, base_ptr, dest, src, dest_len, flags);