| #ifndef BANNED_H |
| #define BANNED_H |
| |
| /* |
| * This header lists functions that have been banned from our code base, |
| * because they're too easy to misuse (and even if used correctly, |
| * complicate audits). Including this header turns them into compile-time |
| * errors. |
| */ |
| |
| #define BANNED(func) sorry_##func##_is_a_banned_function |
| |
| #undef strcpy |
| #define strcpy(x,y) BANNED(strcpy) |
| #undef strcat |
| #define strcat(x,y) BANNED(strcat) |
| #undef strncpy |
| #define strncpy(x,y,n) BANNED(strncpy) |
| #undef strncat |
| #define strncat(x,y,n) BANNED(strncat) |
| |
| #undef sprintf |
| #undef vsprintf |
| #ifdef HAVE_VARIADIC_MACROS |
| #define sprintf(...) BANNED(sprintf) |
| #define vsprintf(...) BANNED(vsprintf) |
| #else |
| #define sprintf(buf,fmt,arg) BANNED(sprintf) |
| #define vsprintf(buf,fmt,arg) BANNED(vsprintf) |
| #endif |
| |
| #undef gmtime |
| #define gmtime(t) BANNED(gmtime) |
| #undef localtime |
| #define localtime(t) BANNED(localtime) |
| #undef ctime |
| #define ctime(t) BANNED(ctime) |
| #undef ctime_r |
| #define ctime_r(t, buf) BANNED(ctime_r) |
| #undef asctime |
| #define asctime(t) BANNED(asctime) |
| #undef asctime_r |
| #define asctime_r(t, buf) BANNED(asctime_r) |
| |
| #endif /* BANNED_H */ |
