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SDL2 Frontend: Use argv[0], add a --version, and reorder options.

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This commit is contained in:
Emmanuel Gil Peyrot 2016-04-19 02:24:21 +01:00
parent 6d29c20208
commit 164c15f911
1 changed files with 20 additions and 9 deletions
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29
src/citra/citra.cpp
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@ -20,6 +20,7 @@
#include "common/logging/log.h" #include "common/logging/log.h"
#include "common/logging/backend.h" #include "common/logging/backend.h"
#include "common/logging/filter.h" #include "common/logging/filter.h"
#include "common/scm_rev.h"
#include "common/scope_exit.h" #include "common/scope_exit.h"
#include "core/settings.h" #include "core/settings.h"
@ -34,11 +35,17 @@
#include "video_core/video_core.h" #include "video_core/video_core.h"
static void PrintHelp() static void PrintHelp(const char *argv0)
{ {
std::cout << "Usage: citra [options] <filename>" << std::endl; std::cout << "Usage: " << argv0 << " [options] <filename>\n"
std::cout << "--help, -h Display this information" << std::endl; "-g, --gdbport=NUMBER Enable gdb stub on port NUMBER\n"
std::cout << "--gdbport, -g number Enable gdb stub on port number" << std::endl; "-h, --help Display this help and exit\n"
"-v, --version Output version information and exit\n";
}
static void PrintVersion()
{
std::cout << "Citra " << Common::g_scm_branch << " " << Common::g_scm_desc << std::endl;
} }
/// Application entry point /// Application entry point
@ -51,18 +58,16 @@ int main(int argc, char **argv) {
std::string boot_filename; std::string boot_filename;
static struct option long_options[] = { static struct option long_options[] = {
{ "help", no_argument, 0, 'h' },
{ "gdbport", required_argument, 0, 'g' }, { "gdbport", required_argument, 0, 'g' },
{ "help", no_argument, 0, 'h' },
{ "version", no_argument, 0, 'v' },
{ 0, 0, 0, 0 } { 0, 0, 0, 0 }
}; };
while (optind < argc) { while (optind < argc) {
char arg = getopt_long(argc, argv, ":hg:", long_options, &option_index); char arg = getopt_long(argc, argv, "g:hv", long_options, &option_index);
if (arg != -1) { if (arg != -1) {
switch (arg) { switch (arg) {
case 'h':
PrintHelp();
return 0;
case 'g': case 'g':
errno = 0; errno = 0;
gdb_port = strtoul(optarg, &endarg, 0); gdb_port = strtoul(optarg, &endarg, 0);
@ -73,6 +78,12 @@ int main(int argc, char **argv) {
exit(1); exit(1);
} }
break; break;
case 'h':
PrintHelp(argv[0]);
return 0;
case 'v':
PrintVersion();
return 0;
} }
} else { } else {
boot_filename = argv[optind]; boot_filename = argv[optind];