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Replace most gcc format attributes by macro GCC_FMT_ATTR (format checking)

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Since version 4.4.x, gcc supports additional format attributes.
    __attribute__ ((format (gnu_printf, 1, 2)))
should be used instead of
    __attribute__ ((format (printf, 1, 2))
because QEMU always uses standard format strings (even with mingw32).

The patch replaces format attribute printf / __printf__ by macro
GCC_FMT_ATTR which uses gnu_printf if supported.

It also removes an #ifdef __GNUC__ (not needed any longer).

Cc: Blue Swirl <blauwirbel@gmail.com>
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Stefan Weil 2010-09-23 21:28:03 +02:00 • committed by Blue Swirl
parent 4a2b39d323
commit e5924d8980
10 changed files with 12 additions and 21 deletions
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2
hw/xen_backend.h
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@ -84,7 +84,7 @@ int xen_be_bind_evtchn(struct XenDevice *xendev);
void xen_be_unbind_evtchn(struct XenDevice *xendev);
int xen_be_send_notify(struct XenDevice *xendev);
void xen_be_printf(struct XenDevice *xendev, int msg_level, const char *fmt, ...)
__attribute__ ((format(printf, 3, 4)));
GCC_FMT_ATTR(3, 4);
/* actual backend drivers */
extern struct XenDevOps xen_console_ops; /* xen_console.c */