The third batch
[git.git] / banned.h
blob447af24807f49f5df4eace6435acba721745fc2c
1 #ifndef BANNED_H
2 #define BANNED_H
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 */
11 #define BANNED(func) sorry_##func##_is_a_banned_function
13 #undef strcpy
14 #define strcpy(x,y) BANNED(strcpy)
15 #undef strcat
16 #define strcat(x,y) BANNED(strcat)
17 #undef strncpy
18 #define strncpy(x,y,n) BANNED(strncpy)
19 #undef strncat
20 #define strncat(x,y,n) BANNED(strncat)
22 #undef sprintf
23 #undef vsprintf
24 #ifdef HAVE_VARIADIC_MACROS
25 #define sprintf(...) BANNED(sprintf)
26 #define vsprintf(...) BANNED(vsprintf)
27 #else
28 #define sprintf(buf,fmt,arg) BANNED(sprintf)
29 #define vsprintf(buf,fmt,arg) BANNED(sprintf)
30 #endif
32 #endif /* BANNED_H */