freshlybakedca.ke
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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#undef strncpy
18#define strncpy(x,y,n) BANNED(strncpy)
19#undef strncat
20#define strncat(x,y,n) BANNED(strncat)
21#undef strtok
22#define strtok(x,y) BANNED(strtok)
23#undef strtok_r
24#define strtok_r(x,y,z) BANNED(strtok_r)
25
26#undef sprintf
27#undef vsprintf
28#define sprintf(...) BANNED(sprintf)
29#define vsprintf(...) BANNED(vsprintf)
30
31#undef gmtime
32#define gmtime(t) BANNED(gmtime)
33#undef localtime
34#define localtime(t) BANNED(localtime)
35#undef ctime
36#define ctime(t) BANNED(ctime)
37#undef ctime_r
38#define ctime_r(t, buf) BANNED(ctime_r)
39#undef asctime
40#define asctime(t) BANNED(asctime)
41#undef asctime_r
42#define asctime_r(t, buf) BANNED(asctime_r)
43
44#endif /* BANNED_H */