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Avoid implicit gcc nonnull attribute in vwarnx().

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We removed the nonnull attributes from our headers long ago, but still
__printflike() includes it implicitly. This will cause the NULL check to
be optimized away in higher -O levels and it will also trigger a
-Wnonnull-compare warning.

Avoid warning with it in vwarnx().

Obtained from:	DragonfLyBSD (git 6329e2f68af73662a1960240675e796ab586bcb1)
This commit is contained in:
Pedro F. Giffuni 2018-01-28 19:37:30 +00:00
parent a72b951348
commit 2fd63590ae
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=328517
1 changed files with 1 additions and 1 deletions
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include/err.h
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@ -60,7 +60,7 @@ void vwarn(const char *, __va_list) __printf0like(1, 0);
void warnc(int, const char *, ...) __printf0like(2, 3);
void vwarnc(int, const char *, __va_list) __printf0like(2, 0);
void warnx(const char *, ...) __printflike(1, 2);
void vwarnx(const char *, __va_list) __printflike(1, 0);
void vwarnx(const char *, __va_list) __printf0like(1, 0);
void err_set_file(void *);
void err_set_exit(void (* _Nullable)(int));
__END_DECLS