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Improved parameter handling of qcvm a little, added --version and --help

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This commit is contained in:
Wolfgang (Blub) Bumiller 2012-12-18 15:46:26 +01:00
parent 6601e89029
commit e1c3e35422
1 changed files with 56 additions and 4 deletions
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60
exec.c
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@ -774,7 +774,17 @@ static size_t qc_builtins_count = sizeof(qc_builtins) / sizeof(qc_builtins[0]);
static const char *arg0 = NULL;
void usage()
static void version() {
printf("GMQCC-QCVM %d.%d.%d Built %s %s\n",
GMQCC_VERSION_MAJOR,
GMQCC_VERSION_MINOR,
GMQCC_VERSION_PATCH,
__DATE__,
__TIME__
);
}
static void usage()
{
printf("usage: %s [options] [parameters] file\n", arg0);
printf("options:\n");
@ -842,6 +852,7 @@ int main(int argc, char **argv)
bool opts_disasm = false;
bool opts_info = false;
bool noexec = false;
const char *progsfile = NULL;
arg0 = argv[0];
@ -850,7 +861,7 @@ int main(int argc, char **argv)
exit(1);
}
while (argc > 2) {
while (argc > 1) {
if (!strcmp(argv[1], "-h") ||
!strcmp(argv[1], "-help") ||
!strcmp(argv[1], "--help"))
@ -858,6 +869,13 @@ int main(int argc, char **argv)
usage();
exit(0);
}
else if (!strcmp(argv[1], "-v") ||
!strcmp(argv[1], "-version") ||
!strcmp(argv[1], "--version"))
{
version();
exit(0);
}
else if (!strcmp(argv[1], "-trace")) {
--argc;
++argv;
@ -922,6 +940,21 @@ int main(int argc, char **argv)
--argc;
++argv;
}
else if (!strcmp(argv[1], "--")) {
--argc;
++argv;
break;
}
else if (argv[1][0] != '-') {
if (progsfile) {
printf("only 1 program file may be specified\n");
usage();
exit(1);
}
progsfile = argv[1];
--argc;
++argv;
}
else
{
usage();
@ -929,10 +962,29 @@ int main(int argc, char **argv)
}
}
if (argc > 2) {
usage();
exit(1);
}
if (argc > 1) {
if (progsfile) {
printf("only 1 program file may be specified\n");
usage();
exit(1);
}
progsfile = argv[1];
--argc;
++argv;
}
prog = prog_load(argv[1]);
if (!progsfile) {
usage();
exit(1);
}
prog = prog_load(progsfile);
if (!prog) {
printf("failed to load program '%s'\n", argv[1]);
printf("failed to load program '%s'\n", progsfile);
exit(1);
}