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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Francesco Cosoleto <cosoleto@gmail.com>
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Thanks to Aurelien Jarno <aurelien@aurel32.net>
Addresses: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=510130
Signed-off-by: Karel Zak <kzak@redhat.com>
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gcc 4.4 produces tons of
"dereferencing type-punned pointer will break strict-aliasing rules"
warnings for fdisk code where is
char buffer[BUFSIZ];
((struct disklabel *) MBRBuffer)->foo
There are two ways how fix the problem:
1/ union {
char buffer[BUFSIZ], struct disklabel label
} MBRBuffer;
2/ use allocated buffer, this way seems less invasive.
This patch implements 2/.
Old version:
$ make -C fdisk | grep -c warning
236
New version:
$ make -C fdisk | grep -c warning
0
About aliasing:
- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40665
- http://cellperformance.beyond3d.com/articles/2006/06/understanding-strict-aliasing.html
- C99
Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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Signed-off-by: Pedro Ribeiro <p.m42.ribeiro@gmail.com>
Signed-off-by: Karel Zak <kzak@redhat.com>
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BLK* and HDIO_* are not available on all platform. Work around this
in a few places.
[kzak@redhat.com: split the original patch to small patches]
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Karel Zak <kzak@redhat.com>
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- #include <linux/types.h> is turned into #include <stdint.h>, much more
portable, and __uxy were turned into uintxy_t.
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Signed-off-by: Karel Zak <kzak@redhat.com>
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The utils like fdisk or login are usable on non-linux systems.
This patch allows to compile on systems without linux/major.h.
Signed-off-by: Karel Zak <kzak@redhat.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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currently the code in fdisk which changes partition types is a bit fragile ...
it assumes the partition type succeeded instead of checking the user input or
for errors. ive tweaked the sub functions to return a value indicative of the
functions' success and fdisk now checks/reports based on that.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Signed-off-by: Karel Zak <kzak@redhat.com>
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The patch is originally based on an old Suse patch.
Signed-off-by: Karel Zak <kzak@redhat.com>
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