lib/util/safe_string.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Safe string handling routines.
   4    Copyright (C) Andrew Tridgell 1994-1998
   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 #ifndef _SAFE_STRING_H
  22 #define _SAFE_STRING_H
  23 #ifndef _SPLINT_ /* http://www.splint.org */
  24
  25 /* Some macros to ensure people don't use buffer overflow vulnerable string
  26    functions. */
  27
  28 #ifdef bcopy
  29 #undef bcopy
  30 #endif /* bcopy */
  31 #define bcopy(src,dest,size) __ERROR__XX__NEVER_USE_BCOPY___;
  32
  33 #ifdef strcpy
  34 #undef strcpy
  35 #endif /* strcpy */
  36 #define strcpy(dest,src) __ERROR__XX__NEVER_USE_STRCPY___;
  37
  38 #ifdef strcat
  39 #undef strcat
  40 #endif /* strcat */
  41 #define strcat(dest,src) __ERROR__XX__NEVER_USE_STRCAT___;
  42
  43 #ifdef sprintf
  44 #undef sprintf
  45 #endif /* sprintf */
  46 #define sprintf __ERROR__XX__NEVER_USE_SPRINTF__;
  47
  48 /*
  49  * strcasecmp/strncasecmp aren't an error, but it means you're not thinking about
  50  * multibyte. Don't use them. JRA.
  51  */
  52 #ifdef strcasecmp
  53 #undef strcasecmp
  54 #endif
  55 #define strcasecmp __ERROR__XX__NEVER_USE_STRCASECMP__;
  56
  57 #ifdef strncasecmp
  58 #undef strncasecmp
  59 #endif
  60 #define strncasecmp __ERROR__XX__NEVER_USE_STRNCASECMP__;
  61
  62 #endif /* !_SPLINT_ */
  63
  64 #endif