Git 2.20.1
[git/git.git] / banned.h
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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)
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15#undef strcat
16#define strcat(x,y) BANNED(strcat)
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17#undef strncpy
18#define strncpy(x,y,n) BANNED(strncpy)
c8af66ab 19
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20#undef sprintf
21#undef vsprintf
22#ifdef HAVE_VARIADIC_MACROS
23#define sprintf(...) BANNED(sprintf)
24#define vsprintf(...) BANNED(vsprintf)
25#else
26#define sprintf(buf,fmt,arg) BANNED(sprintf)
27#define vsprintf(buf,fmt,arg) BANNED(sprintf)
28#endif
29
c8af66ab 30#endif /* BANNED_H */