134 lines
2.2 KiB
C
134 lines
2.2 KiB
C
|
/* optparse.c */
|
||
|
|
/*
|
||
|
|
* Copyright (c) 1992 by the University of Southern California
|
||
|
|
*
|
||
|
|
* For copying and distribution information, please see the file <usc-copyr.h>
|
||
|
|
*/
|
||
|
|
/* Ground out by swa@isi.edu */
|
||
|
|
#include <usc-copyr.h>
|
||
|
|
|
||
|
|
#include <pfs.h>
|
||
|
|
#include <pparse.h>
|
||
|
|
#include <psrv.h>
|
||
|
|
#include <perrno.h>
|
||
|
|
#include <stdlib.h> /* For malloc and free */
|
||
|
|
|
||
|
|
#ifndef NULL
|
||
|
|
#define NULL 0
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if 0
|
||
|
|
static OPT free = NULL;
|
||
|
|
#endif
|
||
|
|
int opt_count = 0;
|
||
|
|
int opt_max = 0;
|
||
|
|
|
||
|
|
#if 0 /* XXX Options parsing isn't great; but it
|
||
|
|
turns out that we don't need to get fancy
|
||
|
|
yet. What we have will suffice.*/
|
||
|
|
|
||
|
|
/* Initialize option parsing. Feed it an unquoted string containing a
|
||
|
|
|
||
|
|
+ or , -separated list of options. It assumes that it may freely overwrite
|
||
|
|
the string, and make memory references to it. */
|
||
|
|
|
||
|
|
OPT
|
||
|
|
#ifdef __STDC__
|
||
|
|
optparse(char *optionstr)
|
||
|
|
#else
|
||
|
|
optparse(optionstr)
|
||
|
|
char *optionstr;
|
||
|
|
#endif
|
||
|
|
{
|
||
|
|
extern int perrno;
|
||
|
|
perrno = PSUCCESS;
|
||
|
|
OPT retval = NULL;
|
||
|
|
|
||
|
|
while(*optionstr) {
|
||
|
|
OPT nopt = optalloc();
|
||
|
|
char buf[MAX_DIR_LINESIZE];
|
||
|
|
char *bufp;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static struct opt *
|
||
|
|
optalloc(char * name)
|
||
|
|
{
|
||
|
|
OPT retval;
|
||
|
|
|
||
|
|
if (free) {
|
||
|
|
retval = free;
|
||
|
|
free = free->next;
|
||
|
|
} else {
|
||
|
|
retval = malloc(sizeof (OPT_ST));
|
||
|
|
if (!retval) return NULL;
|
||
|
|
++opt_max;
|
||
|
|
}
|
||
|
|
++opt_count;
|
||
|
|
|
||
|
|
retval->name= name;
|
||
|
|
retval->used = 0;
|
||
|
|
retval->args = NULL;
|
||
|
|
retval->argstring = NULL;
|
||
|
|
retval->next = NULL;
|
||
|
|
|
||
|
|
return retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
static
|
||
|
|
#ifdef __STDC__
|
||
|
|
optfree(OPT opt)
|
||
|
|
#else
|
||
|
|
optfree(opt)
|
||
|
|
OPT opt;
|
||
|
|
#endif
|
||
|
|
{
|
||
|
|
optlfree(opt->args);
|
||
|
|
free(opt);
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
#ifdef __STDC__
|
||
|
|
optlfree(OPT opts)
|
||
|
|
#else
|
||
|
|
optlfree(opts)
|
||
|
|
OPT opts;
|
||
|
|
#endif
|
||
|
|
{
|
||
|
|
while (opts) {
|
||
|
|
nextop = opts->next;
|
||
|
|
optfree(opts);
|
||
|
|
opts = nextop;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
int
|
||
|
|
optquery(opts, optname)
|
||
|
|
OPT opts;
|
||
|
|
char optname[];
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* # of arguments to the option. 0 if none specified. */
|
||
|
|
int
|
||
|
|
optnargs(opts, optname)
|
||
|
|
OPT opts;
|
||
|
|
char optname[];
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* Any options which haven't been queried yet. Check for leftovers!
|
||
|
|
This needs to be freed.
|
||
|
|
*/
|
||
|
|
OPT
|
||
|
|
optremaining()
|
||
|
|
{
|
||
|
|
}
|
||
|
|
#endif
|