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Added configure and command line option --help.

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This commit is contained in:
Igor Sysoev
2017-08-26 13:37:44 +03:00
parent 0d65c896cf
commit 93f7104a65
8 changed files with 154 additions and 42 deletions
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44
src/nxt_runtime.c
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@@ -800,6 +800,37 @@ nxt_runtime_conf_read_cmd(nxt_task_t *task, nxt_runtime_t *rt)
static const char no_modules[] =
"option \"--modules\" requires directory\n";
static const char help[] =
"\n"
"nginext options:\n"
"\n"
" --version print nginext version and configure options\n"
"\n"
" --no-daemon run nginext in non-daemon mode\n"
"\n"
" --control ADDRESS set address of control API socket\n"
" default: \"" NXT_CONTROL_SOCK "\"\n"
"\n"
" --pid FILE set pid file name\n"
" default: \"" NXT_PID "\"\n"
"\n"
" --log FILE set log file name\n"
" default: \"" NXT_LOG "\"\n"
"\n"
" --modules DIRECTORY set modules directory\n"
" default: \"" NXT_MODULES "\"\n"
"\n"
" --user USER set non-privileged processes to run"
" as specified user\n"
" default: \"" NXT_USER "\"\n"
"\n"
" --group GROUP set non-privileged processes to run"
" as specified group\n"
" default: ";
static const char group[] = "\"" NXT_GROUP "\"\n\n";
static const char primary[] = "user's primary group\n\n";
argv = &nxt_process_argv[1];
while (*argv != NULL) {
@@ -908,6 +939,19 @@ nxt_runtime_conf_read_cmd(nxt_task_t *task, nxt_runtime_t *rt)
exit(0);
}
if (nxt_strcmp(p, "--help") == 0) {
write(STDOUT_FILENO, help, sizeof(help) - 1);
if (sizeof(NXT_GROUP) == 1) {
write(STDOUT_FILENO, primary, sizeof(primary) - 1);
} else {
write(STDOUT_FILENO, group, sizeof(group) - 1);
}
exit(0);
}
end = nxt_sprintf(buf, buf + sizeof(buf), "unknown option \"%s\"\n", p);
write(STDERR_FILENO, buf, end - buf);