crc exit with COMMAND_ERROR_USAGE ...

If parameter -v without a crc is used, you got a notice but the crc is
calculated and exit status is 0.
With wrong parameters we should quite with COMMAND_ERROR_USAGE.

Signed-off-by: Jan Weitzel <j.weitzel@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

commands/crc.c: fix typo in help text ...

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Cosmetic fixes, including format attributes for printf() and friends. ...

Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

doc: add documentation for 'crc32' ...

Signed-off-by: Robert Schwebel <r.schwebel@pengutronix.de>

commands/crc32: add compare 2 files crc ...

add -F options to compare to file crc

it's usefull to compare what you flash in a partition

it's selectable by CONFIG_CMD_CRC_CMP

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

remove typedef cmd_tbl_t and replace it with struct command ...

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

rename U-Boot-v2 project to barebox ...

This has been done with the following script:

find -path ./.git -prune -o -type f -print0 | xargs -0 -r sed -i \
	-e 's/u2boot/barebox/g' \
	-e 's/U2Boot/barebox/g' \
	-e 's/U-boot V2/barebox/g' \
	-e 's/u-boot v2/barebox/g' \
	-e 's/U-Boot V2/barebox/g' \
	-e 's/U-Boot-v2/barebox/g' \
	-e 's/U_BOOT/BAREBOX/g' \
	-e 's/UBOOT/BAREBOX/g' \
	-e 's/uboot/barebox/g' \
	-e 's/u-boot/barebox/g' \
	-e 's/u_boot/barebox/g' \
	-e 's/U-Boot/barebox/g' \
	-e 's/U-boot/barebox/g' \
	-e 's/U-BOOT/barebox/g'

find -path ./.git -prune -o \( -name "*u-boot*" -o -name "*uboot*" -o -name "*u_boot*" \) -print0 | \
	xargs -0 -r rename 's/u[-_]?boot/barebox/'

It needs some manual fixup following in the next patch

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

crc: Do not lseek if not necessary (bb devs do not allow lseek) ...

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

commands: remove maxargs ...

No need to check for maximum argument counts. The commands are
safe to be called with more arguments, so lets safe some bytes.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

call getopt_reset only once ...

instead of calling getopt_reset in each command,
call it only once before calling the command.

Signed-off-by: Sascha Hauer <sha@pengutronix.de>

commands: return COMMAND_ERROR_USAGE ...

instead of calling u_boot_cmd_usage in each command to safe
space.

Signed-off-by: Sascha Hauer <sha@pengutronix.de>

CRC: various fixes ...

- bail out on read errors
- test for -1 instead of < 0 for lseek

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Subject: [PATCH] [general] Fixed constant strings in data section issue ...

For practical reasons I changed all string literals assumed to be constant
to reside in .rodata subsection at end of .text section.

Signed-off-by: Carsten Schlote <schlote@vahanus.net>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

various small typos fixed

declare lots of functions static

remove u-boot command paramter flag

allow calculationg checksums of files

svn_rev_676