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xz: Add a message if --block-list is used outside of xz compresssion.

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--block-list is only supported with compression in xz format. This avoids
silently ignoring when --block-list is unused.
This commit is contained in:
Jia Tan 2023-05-13 19:28:23 +08:00
parent d6af7f3470
commit f281cd0d69
1 changed files with 11 additions and 0 deletions
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11
src/xz/args.c
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@ -788,6 +788,17 @@ args_parse(args_info *args, int argc, char **argv)
if (opt_mode == MODE_COMPRESS && opt_format == FORMAT_AUTO)
opt_format = FORMAT_XZ;
// Set opt_block_list to NULL if we are not compressing to the .xz
// format. This option cannot be used outside of this case, and
// simplifies the implementation later.
if ((opt_mode != MODE_COMPRESS || opt_format != FORMAT_XZ)
&& opt_block_list != NULL) {
message(V_WARNING, _("--block-list is ignored unless "
"compressing to the .xz format"));
free(opt_block_list);
opt_block_list = NULL;
}
// Compression settings need to be validated (options themselves and
// their memory usage) when compressing to any file format. It has to
// be done also when uncompressing raw data, since for raw decoding