32 lines
795 B
32 lines
795 B
#ifndef BANNED_H |
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#define BANNED_H |
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/* |
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* This header lists functions that have been banned from our code base, |
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* because they're too easy to misuse (and even if used correctly, |
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* complicate audits). Including this header turns them into compile-time |
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* errors. |
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*/ |
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#define BANNED(func) sorry_##func##_is_a_banned_function |
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#undef strcpy |
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#define strcpy(x,y) BANNED(strcpy) |
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#undef strcat |
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#define strcat(x,y) BANNED(strcat) |
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#undef strncpy |
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#define strncpy(x,y,n) BANNED(strncpy) |
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#undef strncat |
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#define strncat(x,y,n) BANNED(strncat) |
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#undef sprintf |
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#undef vsprintf |
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#ifdef HAVE_VARIADIC_MACROS |
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#define sprintf(...) BANNED(sprintf) |
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#define vsprintf(...) BANNED(vsprintf) |
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#else |
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#define sprintf(buf,fmt,arg) BANNED(sprintf) |
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#define vsprintf(buf,fmt,arg) BANNED(sprintf) |
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#endif |
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#endif /* BANNED_H */
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