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arg_printusage and some fixes

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2444 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Assar Westerlund
1997-07-18 23:17:30 +00:00
parent f5d9d209c5
commit 5bb7f6f656
1 changed files with 66 additions and 8 deletions
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64
lib/roken/getarg.c
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@@ -41,8 +41,65 @@
RCSID("$Id$");
#endif
#include <stdio.h>
#include <roken.h>
#include "getarg.h"
static void
print_arg (struct getargs *arg)
{
switch (arg->type) {
case arg_integer:
fprintf (stderr, " n]");
break;
case arg_string:
fprintf (stderr, " s]");
break;
case arg_flag:
case arg_negative_flag:
fprintf (stderr, "]");
break;
default:
abort ();
}
}
void
arg_printusage (struct getargs *args,
size_t num_args,
const char *extra_string)
{
int i;
fprintf (stderr, "Usage: %s", __progname);
for (i = 0; i < num_args; ++i) {
if (args[i].long_name) {
fprintf (stderr, " [--%s", args[i].long_name);
print_arg (&args[i]);
}
if (args[i].short_name) {
fprintf (stderr, " [-%c", args[i].short_name);
print_arg (&args[i]);
}
}
if (extra_string)
fprintf (stderr, " %s\n", extra_string);
else
fprintf (stderr, "\n");
for (i = 0; i < num_args; ++i) {
if (args[i].help) {
if (args[i].short_name) {
fprintf (stderr, "-%c", args[i].short_name);
if (args[i].long_name)
fprintf (stderr, " or ");
}
if (args[i].long_name)
fprintf (stderr, "--%s", args[i].long_name);
fprintf (stderr, "\t%s\n", args[i].help);
}
}
}
static int
arg_match(struct getargs *arg, char *argv)
{
@@ -112,12 +169,11 @@ getarg(struct getargs *args, size_t num_args,
}
for(j = 0; j < num_args; j++){
ret = arg_match(&args[j], argv[i] + 2);
if(ret == ARG_ERR_NO_MATCH)
continue;
if(ret != ARG_ERR_NO_MATCH)
break;
}
if(ret)
break;
return ret;
}else{
for(j = 1; argv[i][j]; j++) {
for(k = 0; k < num_args; k++) {
@@ -155,6 +211,8 @@ getarg(struct getargs *args, size_t num_args,
}
}
if (k == num_args)
return ARG_ERR_NO_MATCH;
}
}
}