NetBSD/gnu/libexec/uucp/libuuconf/cmdarg.c

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/* cmdarg.c
Look up a command with arguments in a command table.
Copyright (C) 1992 Ian Lance Taylor
This file is part of the Taylor UUCP uuconf library.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License
as published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
The author of the program may be contacted at ian@airs.com or
c/o Infinity Development Systems, P.O. Box 520, Waltham, MA 02254.
*/
#include "uucnfi.h"
#if USE_RCS_ID
const char _uuconf_cmdarg_rcsid[] = "$Id: cmdarg.c,v 1.1 1993/08/04 19:33:50 jtc Exp $";
#endif
#include <ctype.h>
#undef strcmp
#if HAVE_STRCASECMP
#undef strcasecmp
#endif
extern int strcmp (), strcasecmp ();
/* Look up a command with arguments in a table and execute it. */
int
uuconf_cmd_args (pglobal, cargs, pzargs, qtab, pinfo, pfiunknown, iflags,
pblock)
pointer pglobal;
int cargs;
char **pzargs;
const struct uuconf_cmdtab *qtab;
pointer pinfo;
int (*pfiunknown) P((pointer, int, char **, pointer, pointer));
int iflags;
pointer pblock;
{
struct sglobal *qglobal = (struct sglobal *) pglobal;
int bfirstu, bfirstl;
int (*pficmp) P((const char *, const char *));
register const struct uuconf_cmdtab *q;
int itype;
int callowed;
bfirstu = bfirstl = pzargs[0][0];
if ((iflags & UUCONF_CMDTABFLAG_CASE) != 0)
pficmp = strcmp;
else
{
if (islower (bfirstu))
bfirstu = toupper (bfirstu);
if (isupper (bfirstl))
bfirstl = tolower (bfirstl);
pficmp = strcasecmp;
}
itype = 0;
for (q = qtab; q->uuconf_zcmd != NULL; q++)
{
int bfirst;
bfirst = q->uuconf_zcmd[0];
if (bfirst != bfirstu && bfirst != bfirstl)
continue;
itype = UUCONF_TTYPE_CMDTABTYPE (q->uuconf_itype);
if (itype != UUCONF_CMDTABTYPE_PREFIX)
{
if ((*pficmp) (q->uuconf_zcmd, pzargs[0]) == 0)
break;
}
else
{
size_t clen;
clen = strlen (q->uuconf_zcmd);
if ((iflags & UUCONF_CMDTABFLAG_CASE) != 0)
{
if (strncmp (q->uuconf_zcmd, pzargs[0], clen) == 0)
break;
}
else
{
if (strncasecmp (q->uuconf_zcmd, pzargs[0], clen) == 0)
break;
}
}
}
if (q->uuconf_zcmd == NULL)
{
if (pfiunknown == NULL)
return UUCONF_CMDTABRET_CONTINUE;
return (*pfiunknown) (pglobal, cargs, pzargs, (pointer) NULL, pinfo);
}
callowed = UUCONF_CARGS_CMDTABTYPE (q->uuconf_itype);
if (callowed != 0 && callowed != cargs)
return UUCONF_SYNTAX_ERROR | UUCONF_CMDTABRET_EXIT;
switch (itype)
{
case UUCONF_TTYPE_CMDTABTYPE (UUCONF_CMDTABTYPE_STRING):
if (cargs == 1)
*(char **) q->uuconf_pvar = (char *) "";
else if (cargs == 2)
*(char **) q->uuconf_pvar = pzargs[1];
else
return UUCONF_SYNTAX_ERROR | UUCONF_CMDTABRET_EXIT;
return UUCONF_CMDTABRET_KEEP;
case UUCONF_TTYPE_CMDTABTYPE (UUCONF_CMDTABTYPE_INT):
return _uuconf_iint (qglobal, pzargs[1], q->uuconf_pvar, TRUE);
case UUCONF_TTYPE_CMDTABTYPE (UUCONF_CMDTABTYPE_LONG):
return _uuconf_iint (qglobal, pzargs[1], q->uuconf_pvar, FALSE);
case UUCONF_TTYPE_CMDTABTYPE (UUCONF_CMDTABTYPE_BOOLEAN):
return _uuconf_iboolean (qglobal, pzargs[1], (int *) q->uuconf_pvar);
case UUCONF_TTYPE_CMDTABTYPE (UUCONF_CMDTABTYPE_FULLSTRING):
if (cargs == 1)
{
char ***ppz = (char ***) q->uuconf_pvar;
int iret;
*ppz = NULL;
iret = _uuconf_iadd_string (qglobal, (char *) NULL, FALSE, FALSE,
ppz, pblock);
if (iret != UUCONF_SUCCESS)
return iret | UUCONF_CMDTABRET_EXIT;
return UUCONF_CMDTABRET_CONTINUE;
}
else
{
char ***ppz = (char ***) q->uuconf_pvar;
int i;
*ppz = NULL;
for (i = 1; i < cargs; i++)
{
int iret;
iret = _uuconf_iadd_string (qglobal, pzargs[i], FALSE, FALSE,
ppz, pblock);
if (iret != UUCONF_SUCCESS)
{
*ppz = NULL;
return iret | UUCONF_CMDTABRET_EXIT;
}
}
return UUCONF_CMDTABRET_KEEP;
}
case UUCONF_TTYPE_CMDTABTYPE (UUCONF_CMDTABTYPE_FN):
case UUCONF_TTYPE_CMDTABTYPE (UUCONF_CMDTABTYPE_PREFIX):
return (*q->uuconf_pifn) (pglobal, cargs, pzargs, q->uuconf_pvar,
pinfo);
default:
return UUCONF_SYNTAX_ERROR | UUCONF_CMDTABRET_EXIT;
}
/*NOTREACHED*/
}