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Formerly main.c.~41~

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This commit is contained in:
Roland McGrath 1992-05-11 05:28:52 +00:00
parent ea3d4b3712
commit eb5d80d39a
1 changed files with 65 additions and 19 deletions
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84
main.c
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@ -213,7 +213,7 @@ static struct stringlist *old_files = 0;
/* List of files given with -W switches. */
static struct stringlist *new_files = 0;
/* The table of command switches. */
static struct command_switch switches[] =
@ -237,7 +237,7 @@ static struct command_switch switches[] =
"ignore-errors", 0,
"Ignore errors from commands" },
{ 'I', string, (char *) &include_directories, 0, 0, 0, 0, 0,
"include-path", "DIRECTORY",
"include-dir", "DIRECTORY",
"Search DIRECTORY for included makefiles" },
{ 'j', positive_int, (char *) &job_slots, 1, 1, 0,
(char *) &inf_jobs, (char *) &default_job_slots,
@ -253,7 +253,7 @@ static struct command_switch switches[] =
"Don't start multiple jobs unless load is below N" },
{ 'm', ignore, 0, 0, 0, 0, 0, 0,
0, 0,
"Ignored for compatibility" },
"-b" },
{ 'n', flag, (char *) &just_print_flag, 1, 1, 1, 0, 0,
"just-print", 0,
"Don't actually run any commands; just print them" },
@ -272,12 +272,9 @@ static struct command_switch switches[] =
{ 's', flag, (char *) &silent_flag, 1, 1, 0, 0, 0,
"silent", 0,
"Don't echo commands" },
{ 'q', flag, (char *) &silent_flag, 1, 1, 0, 0, 0,
"quiet", 0,
"Same as -s" },
{ 'S', flag_off, (char *) &keep_going_flag, 1, 1, 0,
0, (char *) &default_keep_going_flag,
"dont-keep-going", 0,
"no-keep-going", 0,
"Turns off -k" },
{ 't', flag, (char *) &touch_flag, 1, 1, 1, 0, 0,
"touch", 0,
@ -294,11 +291,24 @@ static struct command_switch switches[] =
{ '\0', }
};
/* Secondary long names for options. */
static struct option long_option_aliases[] =
{
{ "quiet", no_argument, 0, 's' },
{ "new", required_argument, 0, 'W' },
{ "assume-new", required_argument, 0, 'W' },
{ "assume-old", required_argument, 0, 'o' },
{ "max-load", optional_argument, 0, 'l' },
{ "dry-run", no_argument, 0, 'n' },
{ "recon", no_argument, 0, 'n' },
{ "makefile", required_argument, 0, 'f' },
};
/* List of non-switch arguments. */
struct stringlist *other_args = 0;
/* The name we were invoked with. */
char *program;
@ -1008,7 +1018,9 @@ decode_switches (argc, argv)
register struct stringlist *sl;
char *p;
char options[sizeof (switches) / sizeof (switches[0]) * 3];
struct option long_options[sizeof (switches) / sizeof (switches[0])];
struct option long_options[(sizeof (switches) / sizeof (switches[0])) +
(sizeof (long_option_aliases) /
sizeof (long_option_aliases[0]))];
register int c;
decode_env_switches ("MAKEFLAGS", 9);
@ -1050,6 +1062,10 @@ decode_switches (argc, argv)
}
}
*p = '\0';
for (c = 0; c < (sizeof (long_option_aliases) /
sizeof (long_option_aliases[0]));
++c)
long_options[i++] = long_option_aliases[c];
long_options[i].name = 0;
/* getopt does most of the parsing for us. */
@ -1157,7 +1173,10 @@ positive integral argument",
fputs ("Options:\n", stderr);
for (cs = switches; cs->c != '\0'; ++cs)
{
char buf[100], arg[50];
char buf[1024], arg[50];
if (cs->description[0] == '-')
continue;
switch (long_options[cs - switches].has_arg)
{
@ -1172,15 +1191,42 @@ positive integral argument",
break;
}
if (cs->long_name == 0)
sprintf (buf, " -%c%s",
cs->c, arg);
else
sprintf (buf, " -%c%s, --%s%s",
cs->c, arg,
cs->long_name, arg);
p = buf;
sprintf (buf, " -%c%s", cs->c, arg);
p += strlen (p);
if (cs->long_name != 0)
{
sprintf (p, ", --%s%s", cs->long_name, arg);
p += strlen (p);
for (i = 0; i < (sizeof (long_option_aliases) /
sizeof (long_option_aliases[0]));
++i)
if (long_option_aliases[i].val == cs->c)
{
sprintf (p, ", --%s%s", long_option_aliases[i].name, arg);
p += strlen (p);
}
}
{
struct command_switch *ncs = cs;
while ((++ncs)->c != '\0')
if (ncs->description[0] == '-' &&
ncs->description[1] == cs->c)
{
/* This is another switch that does the same
one as the one we are processing. We want
to list them all together on one line. */
sprintf (p, ", -%c%s", ncs->c, arg);
p += strlen (p);
if (ncs->long_name != 0)
{
sprintf (p, ", --%s%s", ncs->long_name, arg);
p += strlen (p);
}
}
}
if (strlen (buf) >= 30)
if (p - buf >= 30)
{
fprintf (stderr, "%s\n", buf);
buf[0] = '\0';