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grub/err: Do compile-time format string checking on grub_error()

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This should help prevent format string errors and thus improve the quality
of error reporting.

Signed-off-by: Glenn Washburn <development@efficientek.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Glenn Washburn 2021-03-04 18:22:44 -06:00 committed by Daniel Kiper
parent e458caffb8
commit 57236f2dd9
1 changed files with 2 additions and 1 deletions
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3
include/grub/err.h
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@ -85,7 +85,8 @@ struct grub_error_saved
extern grub_err_t EXPORT_VAR(grub_errno);
extern char EXPORT_VAR(grub_errmsg)[GRUB_MAX_ERRMSG];
grub_err_t EXPORT_FUNC(grub_error) (grub_err_t n, const char *fmt, ...);
grub_err_t EXPORT_FUNC(grub_error) (grub_err_t n, const char *fmt, ...)
__attribute__ ((format (GNU_PRINTF, 2, 3)));
void EXPORT_FUNC(grub_fatal) (const char *fmt, ...) __attribute__ ((noreturn));
void EXPORT_FUNC(grub_error_push) (void);
int EXPORT_FUNC(grub_error_pop) (void);