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authorRoland McGrath <roland@redhat.com>1995-03-24 05:56:41 +0000
committerRoland McGrath <roland@redhat.com>1995-03-24 05:56:41 +0000
commit1331cca1fa131d066afd0de5f2972061a520f3f0 (patch)
tree6720d6dc0554df007150824c0aabae051bbbbae1 /main.c
parentfe05aaf7f250ca7d794fb1c064921e1aa03e9ec1 (diff)
downloadgunmake-1331cca1fa131d066afd0de5f2972061a520f3f0.tar.gz
(handle_non_switch_argument): New function, broken out of decode_switches.
(decode_switches): Set optind to 0 to reinitialize getopt, not to 1. When getopt_long returns EOF, break the loop and handle remaining args with a simple second loop.
Diffstat (limited to 'main.c')
-rw-r--r--main.c114
1 files changed, 59 insertions, 55 deletions
diff --git a/main.c b/main.c
index 7b937cc..9363fe6 100644
--- a/main.c
+++ b/main.c
@@ -1198,6 +1198,51 @@ init_switches ()
long_options[i].name = 0;
}
+static void
+handle_non_switch_argument (arg, env)
+ char *arg;
+ int env;
+{
+ /* Non-option argument. It might be a variable definition. */
+ struct variable *v;
+ if (arg[0] == '-' && arg[1] == '\0')
+ /* Ignore plain `-' for compatibility. */
+ return;
+ v = try_variable_definition ((char *) 0, 0, arg, o_command);
+ if (v != 0)
+ {
+ /* It is indeed a variable definition. Record a pointer to
+ the variable for later use in define_makeflags. */
+ struct command_variable *cv
+ = (struct command_variable *) xmalloc (sizeof (*cv));
+ cv->variable = v;
+ cv->next = command_variables;
+ command_variables = cv;
+ }
+ else if (! env)
+ {
+ /* Not an option or variable definition; it must be a goal
+ target! Enter it as a file and add it to the dep chain of
+ goals. */
+ struct file *f = enter_command_line_file (arg);
+ f->cmd_target = 1;
+
+ if (goals == 0)
+ {
+ goals = (struct dep *) xmalloc (sizeof (struct dep));
+ lastgoal = goals;
+ }
+ else
+ {
+ lastgoal->next
+ = (struct dep *) xmalloc (sizeof (struct dep));
+ lastgoal = lastgoal->next;
+ }
+ lastgoal->name = 0;
+ lastgoal->file = f;
+ }
+}
+
/* Decode switches from ARGC and ARGV.
They came from the environment if ENV is nonzero. */
@@ -1221,67 +1266,18 @@ decode_switches (argc, argv, env)
but not for options from the environment. */
opterr = !env;
/* Reset getopt's state. */
- optind = 1;
+ optind = 0;
while (optind < argc)
{
/* Parse the next argument. */
c = getopt_long (argc, argv, options, long_options, (int *) 0);
if (c == EOF)
- {
- /* There are no more options according to getting getopt, but
- there are some arguments left. Since we have asked for
- non-option arguments to be returned in order, I think this
- only happens when there is a "--" argument to prevent later
- arguments from being options. Since getopt has finished its
- job, just update its state variables for the next argument and
- set C as if it had returned 1, indicating a non-option
- argument. */
- optarg = argv[optind++];
- c = 1;
- }
-
- if (c == 1)
- {
- /* Non-option argument. It might be a variable definition. */
- struct variable *v;
- if (optarg[0] == '-' && optarg[1] == '\0')
- /* Ignore plain `-' for compatibility. */
- continue;
- v = try_variable_definition ((char *) 0, 0, optarg, o_command);
- if (v != 0)
- {
- /* It is indeed a variable definition. Record a pointer to
- the variable for later use in define_makeflags. */
- struct command_variable *cv
- = (struct command_variable *) xmalloc (sizeof (*cv));
- cv->variable = v;
- cv->next = command_variables;
- command_variables = cv;
- }
- else if (! env)
- {
- /* Not an option or variable definition; it must be a goal
- target! Enter it as a file and add it to the dep chain of
- goals. */
- struct file *f = enter_command_line_file (optarg);
- f->cmd_target = 1;
-
- if (goals == 0)
- {
- goals = (struct dep *) xmalloc (sizeof (struct dep));
- lastgoal = goals;
- }
- else
- {
- lastgoal->next
- = (struct dep *) xmalloc (sizeof (struct dep));
- lastgoal = lastgoal->next;
- }
- lastgoal->name = 0;
- lastgoal->file = f;
- }
- }
+ /* End of arguments, or "--" marker seen. */
+ break;
+ else if (c == 1)
+ /* An argument not starting with a dash. */
+ handle_non_switch_argument (optarg, env);
else if (c == '?')
/* Bad option. We will print a usage message and die later.
But continue to parse the other options so the user can
@@ -1384,6 +1380,14 @@ positive integral argument",
}
}
+ /* There are no more options according to getting getopt, but there may
+ be some arguments left. Since we have asked for non-option arguments
+ to be returned in order, this only happens when there is a "--"
+ argument to prevent later arguments from being options. */
+ while (optind < argc)
+ handle_non_switch_argument (argv[optind++], env);
+
+
if (!env && (bad || print_usage_flag))
{
/* Print a nice usage message. */