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advice.h: add missing __attribute__((format)) & fix usage 

Add the missing __attribute__((format)) checking to
advise_if_enabled(). This revealed a trivial issue introduced in
b3b18d1621 (advice: revamp advise API, 2020-03-02). We treated the
argv[1] as a format string, but did not intend to do so. Let's use
"%s" and pass argv[1] as an argument instead.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Ævar Arnfjörð Bjarmason 2021-07-13 10:05:20 +02:00 committed by Junio C Hamano
parent 75d31ceec5
commit 927dc33070
2 changed files with 2 additions and 1 deletions
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1
advice.h
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@ -90,6 +90,7 @@ int advice_enabled(enum advice_type type);
/**
* Checks the visibility of the advice before printing.
*/
__attribute__((format (printf, 2, 3)))
void advise_if_enabled(enum advice_type type, const char *advice, ...);
int error_resolve_conflict(const char *me);

2
t/helper/test-advise.c
View File

@ -16,7 +16,7 @@ int cmd__advise_if_enabled(int argc, const char **argv)
* selected here and in t0018 where this command is being
* executed.
*/
advise_if_enabled(ADVICE_NESTED_TAG, argv[1]);
advise_if_enabled(ADVICE_NESTED_TAG, "%s", argv[1]);
return 0;
}