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Add -Wsuggest-attribute=format warning, correct warnings thus generated

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Add this new warning to the default build flags.  It suggests adding
a ((format)) attribute to xavsprintf_append(), so do that.

Suggested-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
David Gibson 2023-02-27 19:13:13 +11:00
parent 4182182110
commit e3cde0613b
3 changed files with 5 additions and 3 deletions
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2
util.h
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@ -65,7 +65,7 @@ extern char *xstrndup(const char *s, size_t len);
extern int PRINTF(2, 3) xasprintf(char **strp, const char *fmt, ...);
extern int PRINTF(2, 3) xasprintf_append(char **strp, const char *fmt, ...);
extern int xavsprintf_append(char **strp, const char *fmt, va_list ap);
extern int PRINTF(2, 0) xavsprintf_append(char **strp, const char *fmt, va_list ap);
extern char *join_path(const char *path, const char *name);
/**