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nvramtool: fix getopt handling with unsigned char 

make failed while executing "OPTION     option_table.h" by printing
nvramtool's usage message when crosscompiling coreboot on the BBB.
The reason is the usage of char for the return value of getopt instead
of int and comparing it to -1 later... although char might be unsigned
as it is usually on ARM.

Change-Id: Ib20fd5ef174d484bbb35f80150b8f898d95d0fe4
Signed-off-by: Stefan Tauner <stefan.tauner@gmx.at>
Reviewed-on: http://review.coreboot.org/9307
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Stefan Tauner 2015-04-05 23:13:53 +02:00
parent 362f048979
commit 1f5349e61d
1 changed files with 1 additions and 2 deletions
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3
util/nvramtool/cli/opts.c
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@ -51,8 +51,7 @@ static const char getopt_string[] = "-ab:B:c::C:dD:e:hH:iL:l::np:r:tvw:xX:y:Y";
void parse_nvramtool_args(int argc, char *argv[])
{
nvramtool_op_modifier_info_t *mod_info;
int i, op_found;
char c;
int i, op_found, c;
for (i = 0, mod_info = nvramtool_op_modifiers;
i < NVRAMTOOL_NUM_OP_MODIFIERS; i++, mod_info++) {