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Add an option to print only version info #1507

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Merged
saghul merged 4 commits into from
May 22, 2026
+10 −6
Merged

Add an option to print only version info #1507

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b330fa5
Add an option to print only version info
mhogomchungu May 21, 2026
2462427
Return correct exit status when a user asks for a list of options
mhogomchungu May 21, 2026
0d9c378
Only print version string when asked for version info
mhogomchungu May 21, 2026
80efe43
Add documentation in the help menu on how to get version info
mhogomchungu May 21, 2026
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16 changes: 10 additions & 6 deletions qjs.c
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Original file line number Diff line number Diff line change
Expand Up @@ -372,11 +372,12 @@ static const JSMallocFunctions mi_mf = {

#define PROG_NAME "qjs"

void help(void)
void help(int exit_status)
{
printf("QuickJS-ng version %s\n"
"usage: " PROG_NAME " [options] [file [args]]\n"
"-h --help list options\n"
"-v --version print version string and then exit\n"
"-e --eval EXPR evaluate EXPR\n"
"-i --interactive go to interactive mode\n"
"-C --script load as JS classic script (default=autodetect)\n"
Expand All @@ -392,7 +393,7 @@ void help(void)
" --memory-limit n limit the memory usage to 'n' Kbytes\n"
" --stack-size n limit the stack size to 'n' Kbytes\n"
"-q --quit just instantiate the interpreter and quit\n", JS_GetVersion());
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exit(1);
exit(exit_status);
}

int main(int argc, char **argv)
Expand Down Expand Up @@ -465,8 +466,11 @@ int main(int argc, char **argv)
optarg = arg;
}
if (opt == 'h' || opt == '?' || !strcmp(longopt, "help")) {
help();
continue;
help(0);
}
if (opt == 'v' || !strcmp(longopt, "version")) {
printf("%s\n",JS_GetVersion());
return 0;
}
if (opt == 'e' || !strcmp(longopt, "eval")) {
if (!optarg) {
Expand Down Expand Up @@ -583,12 +587,12 @@ int main(int argc, char **argv)
} else {
fprintf(stderr, "qjs: unknown option '--%s'\n", longopt);
}
help();
help(1);
}
}

if (compile_file && !out)
help();
help(1);

start:

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