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| author | Furquan Shaikh <furquan@google.com> | 2020-04-14 00:14:44 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-04-20 06:08:29 +0000 |
| commit | c42cf911ad787364aea359deb7c5a1c24f9bdd35 (patch) | |
| tree | 7ab5e79394220424e61d4a7b619c2df3cf8360f8 /util | |
| parent | 8e66b23b350e59601c8e9201c121f484856487bb (diff) | |
| download | coreboot-c42cf911ad787364aea359deb7c5a1c24f9bdd35.tar.xz | |
util/cbfstool: Allow use of non-ASCII longopt
CB:29744 ("util/cbfstool: Add optional argument ibb") added support
for non-ASCII characters for long_options. However, there is a check
later on which errors out since this character is not one of the
commands[i].optstring.
This change adds a function valid_opt() which does the following
things:
1. Checks if the returned optchar is among the list of optstring
supported by the command.
2. Checks if the returned optchar is a valid non-ASCII
option. Currently, we do not maintain a list of non-ASCII options
supported by each command. So, this function returns true if the
optchar returned by getopt_long falls within the allowed range.
Signed-off-by: Furquan Shaikh <furquan@google.com>
Change-Id: I27a4f9af9850e4c892573202904fa9e5fbb64df6
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40375
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Diffstat (limited to 'util')
| -rw-r--r-- | util/cbfstool/cbfstool.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/util/cbfstool/cbfstool.c b/util/cbfstool/cbfstool.c index 65c5e08871..f15c65b6e7 100644 --- a/util/cbfstool/cbfstool.c +++ b/util/cbfstool/cbfstool.c @@ -1295,7 +1295,9 @@ static const struct command commands[] = { enum { /* begin after ASCII characters */ - LONGOPT_IBB = 256, + LONGOPT_START = 256, + LONGOPT_IBB = LONGOPT_START, + LONGOPT_END, }; static struct option long_options[] = { @@ -1491,6 +1493,23 @@ static void usage(char *name) ); } +static bool valid_opt(size_t i, int c) +{ + /* Check if it is one of the optstrings supported by the command. */ + if (strchr(commands[i].optstring, c)) + return true; + + /* + * Check if it is one of the non-ASCII characters. Currently, the + * non-ASCII characters are only checked against the valid list + * irrespective of the command. + */ + if (c >= LONGOPT_START && c < LONGOPT_END) + return true; + + return false; +} + int main(int argc, char **argv) { size_t i; @@ -1525,9 +1544,8 @@ int main(int argc, char **argv) } /* Filter out illegal long options */ - if (strchr(commands[i].optstring, c) == NULL) { - /* TODO maybe print actual long option instead */ - ERROR("%s: invalid option -- '%c'\n", + if (!valid_opt(i, c)) { + ERROR("%s: invalid option -- '%d'\n", argv[0], c); c = '?'; } |