[thirdparty/git.git] / 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 */
Commit	Line	Data
c8af66ab JK	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)
1b11b64b JK	15	#undef strcat
1b11b64b JK	16	#define strcat(x,y) BANNED(strcat)
e488b7ab JK	17	#undef strncpy
e488b7ab JK	18	#define strncpy(x,y,n) BANNED(strncpy)
ace5707a EW	19	#undef strncat
ace5707a EW	20	#define strncat(x,y,n) BANNED(strncat)
c8af66ab	21
cc8fdaee JK	22	#undef sprintf
	23	#undef vsprintf
	24	#ifdef HAVE_VARIADIC_MACROS
	25	#define sprintf(...) BANNED(sprintf)
	26	#define vsprintf(...) BANNED(vsprintf)
	27	#else
	28	#define sprintf(buf,fmt,arg) BANNED(sprintf)
	29	#define vsprintf(buf,fmt,arg) BANNED(sprintf)
	30	#endif
	31
c8af66ab	32	#endif /* BANNED_H */