[PATCH vkd3d v3 1/3] vkd3d-compiler: Print usage instructions only if --help is specified.
Zebediah Figura
zfigura at codeweavers.com
Sat Dec 25 22:43:12 CST 2021
vkd3d-compiler is hardly the only program to print usage instructions on all
invalid invocations, but it's rather annoying to have one's whole screen wiped
due to a typo. It also makes it hard to notice the actual error messages printed
on e.g. `vkd3d-compiler -x`.
Signed-off-by: Zebediah Figura <zfigura at codeweavers.com>
---
programs/vkd3d-compiler/main.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/programs/vkd3d-compiler/main.c b/programs/vkd3d-compiler/main.c
index 4d7d628ca..4e56e8fa5 100644
--- a/programs/vkd3d-compiler/main.c
+++ b/programs/vkd3d-compiler/main.c
@@ -209,6 +209,7 @@ struct options
enum vkd3d_shader_source_type source_type;
enum vkd3d_shader_target_type target_type;
bool preprocess_only;
+ bool print_help;
bool print_version;
bool print_source_types;
bool print_target_types;
@@ -446,6 +447,11 @@ static bool parse_command_line(int argc, char **argv, struct options *options)
options->preprocess_only = true;
break;
+ case 'h':
+ case OPTION_HELP:
+ options->print_help = true;
+ return true;
+
case OPTION_OUTPUT:
case 'o':
options->output_filename = optarg;
@@ -623,9 +629,12 @@ int main(int argc, char **argv)
int ret;
if (!parse_command_line(argc, argv, &options))
+ return 1;
+
+ if (options.print_help)
{
print_usage(argv[0]);
- return 1;
+ return 0;
}
if (options.print_version)
--
2.34.1
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