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Use __nonnull__ attribute in __printflike.

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This commit is contained in:
Todd C. Miller
2013-08-18 14:18:55 -06:00
parent 7a76844d98
commit 5caa61d687
1 changed files with 8 additions and 2 deletions
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10
include/missing.h
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@@ -45,14 +45,20 @@
/* For catching format string mismatches */ /* For catching format string mismatches */
#ifndef __printflike #ifndef __printflike
# if __GNUC_PREREQ__(2, 7) # if __GNUC_PREREQ__(3, 3)
# define __printflike(f, v) __attribute__((__format__ (__printf__, f, v))) __attribute__((__nonnull__ (f)))
# elif __GNUC_PREREQ__(2, 7)
# define __printflike(f, v) __attribute__((__format__ (__printf__, f, v))) # define __printflike(f, v) __attribute__((__format__ (__printf__, f, v)))
# else # else
# define __printflike(f, v) # define __printflike(f, v)
# endif # endif
#endif #endif
#ifndef __printf0like #ifndef __printf0like
# define __printf0like __printflike # if __GNUC_PREREQ__(2, 7)
# define __printf0like(f, v) __attribute__((__format__ (__printf__, f, v)))
# else
# define __printf0like(f, v)
# endif
#endif #endif
/* Hint to compiler that returned pointer is unique (malloc but not realloc). */ /* Hint to compiler that returned pointer is unique (malloc but not realloc). */