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Use gnu_printf format attribute to minimise MinGW warnings

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Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5839)
This commit is contained in:
Bernd Edlinger 2018-04-02 17:20:04 +02:00
parent f4b076e6e6
commit 4f090f76a4
1 changed files with 14 additions and 8 deletions
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22
include/openssl/bio.h
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@ -735,7 +735,7 @@ void BIO_copy_next_retry(BIO *b);
* long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);
*/
# define __bio_h__attr__(x)
# define ossl_bio__attr__(x)
# if defined(__GNUC__) && defined(__STDC_VERSION__) \
&& !defined(__APPLE__)
/*
@ -743,19 +743,25 @@ void BIO_copy_next_retry(BIO *b);
* we can't use __attribute__ with pre C99 dialects.
*/
# if __STDC_VERSION__ >= 199901L
# undef __bio_h__attr__
# define __bio_h__attr__ __attribute__
# undef ossl_bio__attr__
# define ossl_bio__attr__ __attribute__
# if __GNUC__*10 + __GNUC_MINOR__ >= 44
# define ossl_bio__printf__ __gnu_printf__
# else
# define ossl_bio__printf__ __printf__
# endif
# endif
# endif
int BIO_printf(BIO *bio, const char *format, ...)
__bio_h__attr__((__format__(__printf__, 2, 3)));
ossl_bio__attr__((__format__(ossl_bio__printf__, 2, 3)));
int BIO_vprintf(BIO *bio, const char *format, va_list args)
__bio_h__attr__((__format__(__printf__, 2, 0)));
ossl_bio__attr__((__format__(ossl_bio__printf__, 2, 0)));
int BIO_snprintf(char *buf, size_t n, const char *format, ...)
__bio_h__attr__((__format__(__printf__, 3, 4)));
ossl_bio__attr__((__format__(ossl_bio__printf__, 3, 4)));
int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)
__bio_h__attr__((__format__(__printf__, 3, 0)));
# undef __bio_h__attr__
ossl_bio__attr__((__format__(ossl_bio__printf__, 3, 0)));
# undef ossl_bio__attr__
# undef ossl_bio__printf__
BIO_METHOD *BIO_meth_new(int type, const char *name);