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vkd3d-compiler: Use getopt to parse command-line options.

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Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Henri Verbeet 2020-07-02 18:13:13 +04:30 committed by Alexandre Julliard
parent e3e76867ca
commit f658190794
1 changed files with 32 additions and 29 deletions
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61
programs/vkd3d-compiler/main.c
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@ -22,12 +22,18 @@
#include <stdlib.h> #include <stdlib.h>
#include <sys/stat.h> #include <sys/stat.h>
#include <unistd.h> #include <unistd.h>
#include <getopt.h>
#include "vkd3d_common.h" #include "vkd3d_common.h"
#include "vkd3d_shader.h" #include "vkd3d_shader.h"
#define MAX_COMPILE_OPTIONS 1 #define MAX_COMPILE_OPTIONS 1
enum
{
OPTION_STRIP_DEBUG = CHAR_MAX + 1,
};
static bool read_shader(struct vkd3d_shader_code *shader, const char *filename) static bool read_shader(struct vkd3d_shader_code *shader, const char *filename)
{ {
struct stat st; struct stat st;
@ -86,23 +92,15 @@ static bool write_shader(const struct vkd3d_shader_code *shader, const char *fil
return true; return true;
} }
static const struct
{
const char *name;
enum vkd3d_shader_compile_option_name compile_option;
}
compiler_options[] =
{
{"--strip-debug", VKD3D_SHADER_COMPILE_OPTION_STRIP_DEBUG},
};
static void print_usage(const char *program_name) static void print_usage(const char *program_name)
{ {
static const char usage[] = static const char usage[] =
"[options...] file\n" "[options...] file\n"
"Options:\n" "Options:\n"
" -o <file> Write the output to <file>.\n" " -o <file> Write the output to <file>.\n"
" --strip-debug Strip debug information from the output.\n"; " --strip-debug Strip debug information from the output.\n"
" -- Stop option processing. Any subsequent argument is\n"
" interpreted as a filename.\n";
fprintf(stderr, "Usage: %s %s", program_name, usage); fprintf(stderr, "Usage: %s %s", program_name, usage);
} }
@ -145,36 +143,41 @@ static void add_compile_option(struct options *options,
static bool parse_command_line(int argc, char **argv, struct options *options) static bool parse_command_line(int argc, char **argv, struct options *options)
{ {
unsigned int i, j; int option;
if (argc < 2) static struct option long_options[] =
return false; {
{"strip-debug", no_argument, NULL, OPTION_STRIP_DEBUG},
{NULL, 0, NULL, 0},
};
memset(options, 0, sizeof(*options)); memset(options, 0, sizeof(*options));
for (i = 1; i < argc - 1; ++i) for (;;)
{ {
if (!strcmp(argv[i], "-o")) if ((option = getopt_long(argc, argv, "o:", long_options, NULL)) == -1)
{ break;
if (i + 1 >= argc - 1)
return false;
options->output_filename = argv[++i];
continue;
}
for (j = 0; j < ARRAY_SIZE(compiler_options); ++j) switch (option)
{ {
if (!strcmp(argv[i], compiler_options[j].name)) case 'o':
{ options->output_filename = optarg;
add_compile_option(options, compiler_options[j].compile_option, 1);
break; break;
}
case OPTION_STRIP_DEBUG:
add_compile_option(options, VKD3D_SHADER_COMPILE_OPTION_STRIP_DEBUG, 1);
break;
default:
return false;
} }
if (j == ARRAY_SIZE(compiler_options))
return false;
} }
if (optind >= argc)
return false;
options->filename = argv[argc - 1]; options->filename = argv[argc - 1];
return true; return true;
} }