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A common pattern in command line processing is having a usage()
function that prints out how to use the command line options and
then terminates.
The function is typically used inside a switch block for command
line options like `-h' or unknown options. In a lot of places, the
break keyword is omitted, because the function exits anyway. However,
this triggers gcc warnings about implicit fall-through.
Rather than adding a phony "/* fall-through */" this patch flags the
usage() style function with a gcc attribute, indicating that they do
not return and removes further superfluous break statements.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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This is based on the patch from Khem Raj used by openembedded. In
addition to the original patch, this also removes the fallback
implementation that was provided for C libraries that don't implement
rpmatch.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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On 32bit systems (e.g. ARM) the size of off_t can be 4 byte and the size of loff_t 8 byte.
This causes compiler warnings like the following:
flash_erase.c: In function 'show_progress':
flash_erase.c:56:22: warning: format '%llx' expects argument of type 'long long unsigned int', but argument 3 has type 'off_t {aka long int}' [-Wformat=]
bareverbose(!quiet, "\rErasing %d Kibyte @ %"PRIxoff_t" -- %2i %% complete ",
and an output like this:
~# flash_erase /dev/mtd2 0 1
Erasing 64 Kibyte @ 6400000000 -- 0 % complete
~#
Since the size of off_t and loff_t can differ from each other, the
printf format specifier should be determined separately for both.
Further the format specifiers should be based directly on the size of the
particular data type.
Signed-off-by: Torsten Fleischer <torfl6749@gmail.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Pull the buffer content checking code into separate function and
simplify the code invoking it slightly.
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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Several tools are simply not checking return code of functions marked
with 'warn_unused_result'.
Provide wrappers for the read/write functions to avoid patching old
code and providing proper error handling.
Fix the remaining ones (calls to fgets() and system()).
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
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Compiling for x86_64 generates a lot of warning because the PRIxoff_t and
PRIdoff_t are not properly defined, which comes from the missing
SIZEOF_LONG definition.
Use the autotools to generate a config.h header, include this header from
common.h and ask autoheader to generate the SIZEOF_LONG and SIZEOF_LOFF_T
definitions.
Use these new definitions to assign the proper descriptors to PRIxoff_t
and PRIdoff_t.
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
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This patch moves the remaining 3 functions from ubiutils-common.{c,h}
into libmtd common.{c,h}.
The functions are only generic utility functions that other mtd-utils
programs may also find usefull and every program that uses libubi links
against libmtd anyway so there is no real reason for keeping around a
seperate ubiutils-common with only generic helper functions.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
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When a program does sophisticated enough command line processing
(i.e. getopt), make sure it responds to -V and --version.
When a program prints a version string, make sure it uses the
common_print_version macro to print out its name, that it is part
of mtd-utils and the mtd-utils version from the build system in a
fashion similar to common program packages like the GNU coreutils.
When a program responds to -V/--version or -h/--help, make sure it
reports success exit status.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Signed-off-by: Richard Weinberger <richard@nod.at>
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This patch is largely based on Richards original RFC.
The major differences to the RFC patch are:
- Add missing sumtools & mtdpart targets
- Fix name of mkfs.jffs2 target
- Add missing subdir-objects option for non-recursive make
- Move all automake options to configure.ac
- Add manpages to install target
- Make XATTR & LZO support configurable
- Install binaries to sbin directory like in the old build system
- Install flash_erase wrapper script
- Add files missing from distribution target
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
Signed-off-by: Richard Weinberger <richard@nod.at>
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This patch fixes the follwing compiler warnings:
flash_erase.c: In function 'show_progress':
flash_erase.c:56:22: warning: format '%lx' expects argument of type 'long unsigned int', but argument 3 has type 'off_t {aka long long int}' [-Wformat=]
bareverbose(!quiet, "\rErasing %d Kibyte @ %"PRIxoff_t" -- %2i %% complete ",
^
./include/common.h:81:10: note: in definition of macro 'bareverbose'
printf(fmt, ##__VA_ARGS__);
which are linked to the following buggy numerical output:
Erasing 128 Kibyte @ 0 -- 917504 % complete flash_erase: Cleanmarker written at 0
Erasing 128 Kibyte @ 0 -- 1048576 % complete flash_erase: Cleanmarker written at 0
Signed-off-by: Mathias Kresin <dev@kresin.me>
Signed-off-by: Richard Weinberger <richard@nod.at>
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These functions have always been defined in sys/sysmacros.h under
Linux C libraries. For some, including sys/types.h implicitly
includes that as well, but glibc wants to deprecate that, and some
others already have. Include the header explicitly for the funcs.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Like uClibc version older than (not yet released) 0.9.34 musl does not have
a rpmatch() implementation.
uClibc defines both __UCLIBC__ and __GLIBC__. So first check for uCibc and its
version and then for a non glibc implementation (like musl). Note, musl does
not define __MUSL__.
Signed-off-by: Jörg Krause <joerg.krause@embedded.rocks>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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This patch adds four macros:
ALIGN, __ALIGN_MASK, min_t and max_t
to include/common.h.
Signed-off-by: hujianyang <hujianyang@huawei.com>
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An implementation of rpmatch() was backported to the 0.9.33 branch of uClibc.
So the uClibc version check introduced in commit 50c9e11f7e (include/common.h:
fix build against current uClibc) is not enough. Rename the local rpmatch()
implementation to avoid collision.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Commit dbe0fd17f2 (mtd-utils: new prompt() helper for talking to the user)
introduced a rpmatch() call. However, uClibc versions older than (not yet
released) 0.9.34 don't have rpmatch() implementation. Add one.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
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We've got a few tools that prompt the user for "yes/no" questions.
Add a common helper to simplify the various implementations.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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They will be usefull when printing offsets.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <dedekind1@gmail.com>
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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Not strictly necessary, but this is good library behavior and
should carry no runtime overhead.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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We must use "long long" and "unsigned long long" types when
implementing the functions "simple_strtoll()" and "simple_strtoull()",
respectively. This prevents casting/truncation errors on systems where
"long" is not the same size as "long long" (that is, on most systems).
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Add MAX() macro to common.h, to be used in future patches.
Also a style change in comma location on MIN().
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Some C library headers will define MIN(), so add an #ifndef check.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Rather than do a for loop and output 1 space at a time, let the printf
code take care of indenting the string based on the constant length.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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The mkfs.jffs2 program has local wrappers for memory related functions
that are useful beyond mkfs.jffs2, so break them out into a common header.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Simply usage of converting strings to numbers by adding some wrappers
around the standard strtoX functions. These helpers simplify the api
of these functions a bit by providing an optional "error" pointer and
automatic error message.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Make PROGRAM_NAME required in order to include common.h so we can rely
on it existing.
Further, stop embedding PROGRAM_NAME in every error message so that we
can save string space with it being declare only once.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Add a new helper that lets people do simple verbose output without any
implicit strings added around it. Good for progress bars and such.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Looks like someone copied & pasted it twice by accident.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Kill off duplicated min() defines and convert to the common.h one.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Now include/common.h contains things that really everyone can use.
And all the stuff specific to ubi-utils is in ubi-utils/include/ubiutils-common.h
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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Source files for libmtd, crc32, and fec are scattered throughout the
tree. Move them to a central location so they can be built into a
common "libmtd.a" library used by all mtd-utils programs.
This patch only renames/deletes files and does not change the content.
Also modify the build system and source code so that libmtd.a can be built
from a "common" location (lib/). Statically link all utilities at the top
level with libmtd.a . Minor changes to mkfs.ubifs to allow using the common
crc32 implementation.
Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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