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vkd3d-compiler: Print usage instructions only if --help is specified.

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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@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Giovanni Mascellani <gmascellani@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2021-12-25 22:43:12 -06:00 committed by Alexandre Julliard
parent 6b34fc671a
commit 1e2bcb0458
1 changed files with 10 additions and 1 deletions
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11
programs/vkd3d-compiler/main.c
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@ -209,6 +209,7 @@ struct options
enum vkd3d_shader_source_type source_type; enum vkd3d_shader_source_type source_type;
enum vkd3d_shader_target_type target_type; enum vkd3d_shader_target_type target_type;
bool preprocess_only; bool preprocess_only;
bool print_help;
bool print_version; bool print_version;
bool print_source_types; bool print_source_types;
bool print_target_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; options->preprocess_only = true;
break; break;
case 'h':
case OPTION_HELP:
options->print_help = true;
return true;
case OPTION_OUTPUT: case OPTION_OUTPUT:
case 'o': case 'o':
options->output_filename = optarg; options->output_filename = optarg;
@ -623,9 +629,12 @@ int main(int argc, char **argv)
int ret; int ret;
if (!parse_command_line(argc, argv, &options)) if (!parse_command_line(argc, argv, &options))
return 1;
if (options.print_help)
{ {
print_usage(argv[0]); print_usage(argv[0]);
return 1; return 0;
} }
if (options.print_version) if (options.print_version)