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/*
Unix SMB/CIFS implementation.
server specific string routines
Copyright (C) Andrew Tridgell 2001
Copyright (C) Andrew Bartlett <abartlet@samba.org> 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
extern int max_send;
/* Make sure we can't write a string past the end of the buffer */
size_t srvstr_push_fn(const char *function, unsigned int line,
const char *base_ptr, void *dest,
const char *src, int dest_len, int flags)
{
size_t buf_used = PTR_DIFF(dest, base_ptr);
if (dest_len == -1) {
if (((ptrdiff_t)dest < (ptrdiff_t)base_ptr) || (buf_used > (size_t)max_send)) {
#if 0
DEBUG(0, ("Pushing string of 'unlimited' length into non-SMB buffer!\n"));
#endif
return push_string_fn(function, line, base_ptr, dest, src, -1, flags);
}
return push_string_fn(function, line, base_ptr, dest, src, max_send - buf_used, flags);
}
/* 'normal' push into size-specified buffer */
return push_string_fn(function, line, base_ptr, dest, src, dest_len, flags);
}
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