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Avoid warnings by using format(__printf__) 

When building sandbox, barebox is built with -Dprintf=barebox_printf as
to not collide with the printf provided by libc.  This would also match
the format(printf) function __attribute__.

Since gcc documents that __printf__ can be used instead of printf as a
format attribute, use this instead and avoid a lot of noisy warnings.

NB: this relates to 6b082cfe9f which was
an earlier attempt at solving this, which got reverted due to other
regressions.

Signed-off-by: Loïc Minier <loic.minier@linaro.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Loïc Minier 2011-10-14 00:06:38 +02:00 committed by Sascha Hauer
parent 4e26fba680
commit 3808cb7a45
3 changed files with 8 additions and 8 deletions
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12
include/stdio.h
View File

@ -9,7 +9,7 @@
*/
/* serial stuff */
void serial_printf(const char *fmt, ...) __attribute__ ((format(printf, 1, 2)));
void serial_printf(const char *fmt, ...) __attribute__ ((format(__printf__, 1, 2)));
/* stdin */
int tstc(void);
@ -30,12 +30,12 @@ static inline void putchar(char c)
console_putc(CONSOLE_STDOUT, c);
}
int printf(const char *fmt, ...) __attribute__ ((format(printf, 1, 2)));
int printf(const char *fmt, ...) __attribute__ ((format(__printf__, 1, 2)));
int vprintf(const char *fmt, va_list args);
int sprintf(char *buf, const char *fmt, ...) __attribute__ ((format(printf, 2, 3)));
int snprintf(char *buf, size_t size, const char *fmt, ...) __attribute__ ((format(printf, 3, 4)));
int sprintf(char *buf, const char *fmt, ...) __attribute__ ((format(__printf__, 2, 3)));
int snprintf(char *buf, size_t size, const char *fmt, ...) __attribute__ ((format(__printf__, 3, 4)));
int vsprintf(char *buf, const char *fmt, va_list args);
char *asprintf(const char *fmt, ...) __attribute__ ((format(printf, 1, 2)));
char *asprintf(const char *fmt, ...) __attribute__ ((format(__printf__, 1, 2)));
char *vasprintf(const char *fmt, va_list ap);
int vsnprintf(char *buf, size_t size, const char *fmt, va_list args);
int vscnprintf(char *buf, size_t size, const char *fmt, va_list args);
@ -54,7 +54,7 @@ int vscnprintf(char *buf, size_t size, const char *fmt, va_list args);
#define stderr 2
#define MAX_FILES 128
void fprintf(int file, const char *fmt, ...) __attribute__ ((format(printf, 2, 3)));
void fprintf(int file, const char *fmt, ...) __attribute__ ((format(__printf__, 2, 3)));
int fputs(int file, const char *s);
int fputc(int file, const char c);
int ftstc(int file);

2
scripts/mod/modpost.c
View File

@ -1300,7 +1300,7 @@ static void read_symbols(char *modname)
* following helper, then compare to the file on disk and
* only update the later if anything changed */
void __attribute__((format(printf, 2, 3))) buf_printf(struct buffer *buf,
void __attribute__((format(__printf__, 2, 3))) buf_printf(struct buffer *buf,
const char *fmt, ...)
{
char tmp[SZ];

2
scripts/mod/modpost.h
View File

@ -94,7 +94,7 @@ struct buffer {
int size;
};
void __attribute__((format(printf, 2, 3)))
void __attribute__((format(__printf__, 2, 3)))
buf_printf(struct buffer *buf, const char *fmt, ...);
void