Andrew's git / gitweb.git /
ad0d36dc9ff75bc96f82a18fe3fc815f537d7582
   1#ifndef BANNED_H
   2#define BANNED_H
   3
   4/*
   5 * This header lists functions that have been banned from our code base,
   6 * because they're too easy to misuse (and even if used correctly,
   7 * complicate audits). Including this header turns them into compile-time
   8 * errors.
   9 */
  10
  11#define BANNED(func) sorry_##func##_is_a_banned_function
  12
  13#undef strcpy
  14#define strcpy(x,y) BANNED(strcpy)
  15#undef strcat
  16#define strcat(x,y) BANNED(strcat)
  17
  18#undef sprintf
  19#undef vsprintf
  20#ifdef HAVE_VARIADIC_MACROS
  21#define sprintf(...) BANNED(sprintf)
  22#define vsprintf(...) BANNED(vsprintf)
  23#else
  24#define sprintf(buf,fmt,arg) BANNED(sprintf)
  25#define vsprintf(buf,fmt,arg) BANNED(sprintf)
  26#endif
  27
  28#endif /* BANNED_H */