Formerly main.c.~82~

This commit is contained in:
Roland McGrath 1993-05-22 20:20:16 +00:00
parent f0080188b7
commit fe92d8e656

20
main.c
View file

@ -91,8 +91,7 @@ struct command_switch
string, /* One string per switch. */ string, /* One string per switch. */
positive_int, /* A positive integer. */ positive_int, /* A positive integer. */
floating, /* A floating-point number (double). */ floating, /* A floating-point number (double). */
ignore, /* Ignored. */ ignore /* Ignored. */
usage_and_exit /* Ignored; exit after processing switches. */
} type; } type;
char *value_ptr; /* Pointer to the value-holding variable. */ char *value_ptr; /* Pointer to the value-holding variable. */
@ -219,6 +218,10 @@ static struct stringlist *old_files = 0;
/* List of files given with -W switches. */ /* List of files given with -W switches. */
static struct stringlist *new_files = 0; static struct stringlist *new_files = 0;
/* If nonzero, we should just print usage and exit. */
static int print_usage_flag = 0;
/* The table of command switches. */ /* The table of command switches. */
@ -239,7 +242,7 @@ static const struct command_switch switches[] =
{ 'f', string, (char *) &makefiles, 0, 0, 0, 0, 0, { 'f', string, (char *) &makefiles, 0, 0, 0, 0, 0,
"file", "FILE", "file", "FILE",
"Read FILE as a makefile" }, "Read FILE as a makefile" },
{ 'h', usage_and_exit, 0, 0, 0, 0, 0, 0, { 'h', flag, (char *) &print_usage_flag, 0, 0, 0, 0, 0,
"help", 0, "help", 0,
"Print this message and exit" }, "Print this message and exit" },
{ 'i', flag, (char *) &ignore_errors_flag, 1, 1, 0, 0, 0, { 'i', flag, (char *) &ignore_errors_flag, 1, 1, 0, 0, 0,
@ -500,7 +503,7 @@ main (argc, argv, envp)
/* `make --version' is supposed to just print the version and exit. */ /* `make --version' is supposed to just print the version and exit. */
if (print_version_flag) if (print_version_flag)
die (1); die (0);
/* Search for command line arguments that define variables, /* Search for command line arguments that define variables,
and do the definitions. Also save up the text of these and do the definitions. Also save up the text of these
@ -1085,7 +1088,6 @@ init_switches ()
case flag: case flag:
case flag_off: case flag_off:
case ignore: case ignore:
case usage_and_exit:
long_options[i].has_arg = no_argument; long_options[i].has_arg = no_argument;
break; break;
@ -1173,10 +1175,6 @@ decode_switches (argc, argv, env)
case ignore: case ignore:
break; break;
case usage_and_exit:
bad = 1;
break;
case flag: case flag:
case flag_off: case flag_off:
if (doit) if (doit)
@ -1269,7 +1267,7 @@ positive integral argument",
other_args->list[other_args->idx] = 0; other_args->list[other_args->idx] = 0;
} }
if (bad && !env) if (!env && (bad || print_usage_flag))
{ {
/* Print a nice usage message. */ /* Print a nice usage message. */
@ -1355,7 +1353,7 @@ positive integral argument",
buf, cs->description); buf, cs->description);
} }
die (1); die (bad);
} }
} }