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fftools/cmdutils: don't try to load arguments from file if not needed

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CLI option parser checks if argument exists when needed, but in this
case only OPT_TYPE_BOOL where checked, so OPT_TYPE_FUNC without argument
where trying to load a file from `arg` which is NULL in this case.

Fixes crash on `ffmpeg -/version`

Fixes: 6d17991b7e
Signed-off-by: Kacper Michajłow <kasper93@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Kacper Michajłow
2025-06-30 20:36:09 +02:00
committed by Michael Niedermayer
parent 30043cc167
commit 5f62e2de98
1 changed files with 3 additions and 2 deletions
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5
fftools/cmdutils.c
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@ -255,9 +255,10 @@ static int write_option(void *optctx, const OptionDef *po, const char *opt,
if (*opt == '/') {
opt++;
if (po->type == OPT_TYPE_BOOL) {
if (!opt_has_arg(po)) {
av_log(NULL, AV_LOG_FATAL,
"Requested to load an argument from file for a bool option '%s'\n",
"Requested to load an argument from file for an option '%s'"
" which does not take an argument\n",
po->name);
return AVERROR(EINVAL);
}