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sandbox: Ensure that long-options array is terminated

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The last member of this array is supposed to be all zeroes according to
the getopt_long() man page. Fix the function to do this.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2020-02-03 07:36:04 -07:00
parent 89cdb0b583
commit 1c8c47ec80
1 changed files with 2 additions and 1 deletions
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3
arch/sandbox/cpu/os.c
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@@ -284,7 +284,7 @@ int os_parse_args(struct sandbox_state *state, int argc, char *argv[])
/* dynamically construct the arguments to the system getopt_long */ /* dynamically construct the arguments to the system getopt_long */
short_opts = malloc(sizeof(*short_opts) * num_options * 2 + 1); short_opts = malloc(sizeof(*short_opts) * num_options * 2 + 1);
long_opts = malloc(sizeof(*long_opts) * num_options); long_opts = malloc(sizeof(*long_opts) * (num_options + 1));
if (!short_opts || !long_opts) if (!short_opts || !long_opts)
return 1; return 1;
@@ -314,6 +314,7 @@ int os_parse_args(struct sandbox_state *state, int argc, char *argv[])
/* we need to handle output ourselves since u-boot provides printf */ /* we need to handle output ourselves since u-boot provides printf */
opterr = 0; opterr = 0;
memset(&long_opts[num_options], '\0', sizeof(*long_opts));
/* /*
* walk all of the options the user gave us on the command line, * walk all of the options the user gave us on the command line,
* figure out what u-boot option structure they belong to (via * figure out what u-boot option structure they belong to (via