blob: 97ad5c93978b9a80a9030cb1f5a5fcc38767652f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
/*
samba -- Unix SMB/Netbios implementation.
Safe standardized string types
Copyright (C) Andrew Tridgell 1992-2000
Copyright (C) John H Terpstra 1996-2000
Copyright (C) Luke Kenneth Casson Leighton 1996-2000
Copyright (C) Paul Ashton 1998-2000
Copyright (C) Martin Pool 2002
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 2 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.
*/
#ifndef _PSTRING
#define PSTRING_LEN 1024
#define FSTRING_LEN 256
#ifdef PSTRING_SANCTIFY
/* If you define this, pstring and fstring become distinguished types,
* so that it's harder to accidentally overflow them by for example
* passing an fstring on the lhs of pstrcpy.
*
* To pass them to non-pstring-aware functions, use PSTR and check
* that the function takes a const. They should almost never be
* modified except by special calls. In those unusual cases, use
* PSTR_MUTABLE.
*
* This is off by default so as not to produce too many warnings. As
* the code is vetted it can become the default. */
typedef union { char pstring_contents[PSTRING_LEN]; } pstring[1];
typedef union { char fstring_contents[FSTRING_LEN]; } fstring[1];
# define PSTR(p) ((const char *) ((p)->pstring_contents))
# define FSTR(f) ((const char *) ((f)->fstring_contents))
/* Please use the const functions instead if possible. */
# define PSTR_MUTABLE(p) (((p)->pstring_contents))
# define FSTR_MUTABLE(f) (((f)->fstring_contents))
#else /* ndef PSTRING_SANCTIFY */
/* Old interface. */
typedef char pstring[PSTRING_LEN];
typedef char fstring[FSTRING_LEN];
#define PSTR(p) ((const char *) p)
#define FSTR(f) ((const char *) f)
#define PSTR_MUTABLE(p) (p)
#define FSTR_MUTABLE(f) (f)
#endif /* ndef PSTRING_SANCTIFY */
#define _PSTRING
#endif /* ndef _PSTRING */
|
