45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
#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 strtok
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#define strtok(x,y) BANNED(strtok)
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#undef strtok_r
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#define strtok_r(x,y,z) BANNED(strtok_r)
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#undef sprintf
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#undef vsprintf
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#define sprintf(...) BANNED(sprintf)
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#define vsprintf(...) BANNED(vsprintf)
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#undef gmtime
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#define gmtime(t) BANNED(gmtime)
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#undef localtime
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#define localtime(t) BANNED(localtime)
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#undef ctime
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#define ctime(t) BANNED(ctime)
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#undef ctime_r
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#define ctime_r(t, buf) BANNED(ctime_r)
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#undef asctime
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#define asctime(t) BANNED(asctime)
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#undef asctime_r
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#define asctime_r(t, buf) BANNED(asctime_r)
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#endif /* BANNED_H */
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