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[makefile] Add -Wformat-nonliteral as an extra warning category

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-Wformat-nonliteral is not enabled by -Wall and needs to be explicitly
 specified.

Modified the few files that use nonliteral format strings to work with
this new setting in place.

Inspired by a patch from Carl Karsten <carl@personnelware.com> and an
identical patch from Rorschach <r0rschach@lavabit.com>.
This commit is contained in:
Michael Brown
2008-10-10 18:41:24 +01:00
parent ac663cf509
commit 2e812235f4
6 changed files with 47 additions and 26 deletions
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4
src/include/gpxe/xfer.h
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@@ -149,8 +149,8 @@ extern int xfer_deliver_raw ( struct xfer_interface *xfer,
const void *data, size_t len );
extern int xfer_vprintf ( struct xfer_interface *xfer,
const char *format, va_list args );
extern int xfer_printf ( struct xfer_interface *xfer,
const char *format, ... );
extern int __attribute__ (( format ( printf, 2, 3 ) ))
xfer_printf ( struct xfer_interface *xfer, const char *format, ... );
extern int xfer_seek ( struct xfer_interface *xfer, off_t offset, int whence );
extern void ignore_xfer_close ( struct xfer_interface *xfer, int rc );