int
main(int argc, char **argv)
{
int retval;
/*
* Some versions of cron(8) and at(1) set SIGCHLD to SIG_IGN.
* This is kinda dumb, because it breaks assumprions made in
* libc (like pclose, for instance). It also blows away most
* of Cook's process handling. We explicitly set the SIGCHLD
* signal handling to SIG_DFL to make sure this signal does what
* we expect no matter how we are invoked.
*/
#ifdef SIGCHLD
signal(SIGCHLD, SIG_DFL);
#else
signal(SIGCLD, SIG_DFL);
#endif
/*
* initialize things
* (order is critical here)
*/
progname_set(argv[0]);
str_initialize();
id_initialize();
lex_initialize();
/*
* parse the COOK environment variable
*/
arglex_init_from_env(argv[0], argtab);
argparse(OPTION_LEVEL_ENVIRONMENT);
/*
* parse the command line
*/
arglex_init(argc, argv, argtab);
argparse(OPTION_LEVEL_COMMAND_LINE);
option_tidy_up();
log_open();
/*
* turn on progress stars if they asked for them
*/
if (option_test(OPTION_STAR))
star_enable();
/*
* If we were asked to update the fingerprints, do it here.
* We don't actually ant to read in the cookbook.
*/
if (option.fingerprint_update)
{
fp_tweak();
quit(0);
}
/*
* read in the cook book
*
* If there are #include-cooked directives,
* we may need to do it more than once.
*/
if (!option.o_book)
fatal_intl(0, i18n("no book found"));
for (;;)
{
int status;
size_t j;
builtin_initialize();
/*
* instanciate the command line variable assignments
*/
for (j = 0; j < option.o_vardef.nstrings; ++j)
{
char *s;
char *cp;
string_ty *name;
string_ty *value;
string_list_ty wl;
opcode_context_ty *ocp;
s = option.o_vardef.string[j]->str_text;
cp = strchr(s, '=');
assert(cp);
if (!cp)
continue;
name = str_n_from_c(s, cp - s);
value = str_from_c(cp + 1);
str2wl(&wl, value, (char *)0, 0);
str_free(value);
ocp = opcode_context_new(0, 0);
opcode_context_id_assign(ocp, name, id_variable_new(&wl), 0);
opcode_context_delete(ocp);
str_free(name);
string_list_destructor(&wl);
}
set_command_line_goals();
parse(option.o_book);
status = cook_auto_required();
if (status < 0)
quit(1);
if (!status)
break;
id_reset();
cook_reset();
}
/*
* work out what to cook.
* If no targets have been given, use the first explicit recipe.
*/
set_command_line_goals();
if (!option.o_target.nstrings)
cook_find_default(&option.o_target);
assert(option.o_target.nstrings);
/*
* cook the target
*/
if (option.pairs)
retval = cook_pairs(&option.o_target);
else if (option.script)
retval = cook_script(&option.o_target);
else if (option.web)
retval = cook_web(&option.o_target);
else
retval = cook(&option.o_target);
#ifdef DEBUG
fflush_slowly_report();
#endif
quit(retval);
/*NOTREACHED*/
return 0;
}
int nsh_main(int argc, char *argv[])
{
int exitval = 0;
int ret;
/* Call all C++ static constructors */
#if defined(CONFIG_HAVE_CXX) && defined(CONFIG_HAVE_CXXINITIALIZE)
up_cxxinitialize();
#endif
/* Make sure that we are using our symbol take */
#if defined(CONFIG_LIBC_EXECFUNCS) && defined(CONFIG_EXECFUNCS_SYMTAB)
exec_setsymtab(CONFIG_EXECFUNCS_SYMTAB, 0);
#endif
/* Register the BINFS file system */
#if defined(CONFIG_FS_BINFS) && (CONFIG_BUILTIN)
ret = builtin_initialize();
if (ret < 0)
{
fprintf(stderr, "ERROR: builtin_initialize failed: %d\n", ret);
exitval = 1;
}
#endif
/* Initialize the NSH library */
nsh_initialize();
/* If the Telnet console is selected as a front-end, then start the
* Telnet daemon.
*/
#ifdef CONFIG_NSH_TELNET
ret = nsh_telnetstart();
if (ret < 0)
{
/* The daemon is NOT running. Report the the error then fail...
* either with the serial console up or just exiting.
*/
fprintf(stderr, "ERROR: Failed to start TELNET daemon: %d\n", ret);
exitval = 1;
}
#endif
/* If the serial console front end is selected, then run it on this thread */
#ifdef CONFIG_NSH_CONSOLE
ret = nsh_consolemain(0, NULL);
/* nsh_consolemain() should not return. So if we get here, something
* is wrong.
*/
fprintf(stderr, "ERROR: nsh_consolemain() returned: %d\n", ret);
exitval = 1;
#endif
return exitval;
}
