Staging
v0.5.1
Revision d9589d4051537c387b70dc76e430c61b4c85a86d authored by Johannes Schindelin on 04 December 2019, 22:05:10 UTC, committed by Johannes Schindelin on 06 December 2019, 15:31:24 UTC
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
1 parent 5421ddd
Raw File
banned.h
#ifndef BANNED_H
#define BANNED_H

/*
 * This header lists functions that have been banned from our code base,
 * because they're too easy to misuse (and even if used correctly,
 * complicate audits). Including this header turns them into compile-time
 * errors.
 */

#define BANNED(func) sorry_##func##_is_a_banned_function

#undef strcpy
#define strcpy(x,y) BANNED(strcpy)
#undef strcat
#define strcat(x,y) BANNED(strcat)
#undef strncpy
#define strncpy(x,y,n) BANNED(strncpy)
#undef strncat
#define strncat(x,y,n) BANNED(strncat)

#undef sprintf
#undef vsprintf
#ifdef HAVE_VARIADIC_MACROS
#define sprintf(...) BANNED(sprintf)
#define vsprintf(...) BANNED(vsprintf)
#else
#define sprintf(buf,fmt,arg) BANNED(sprintf)
#define vsprintf(buf,fmt,arg) BANNED(sprintf)
#endif

#endif /* BANNED_H */
back to top