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

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/* hdial.c
Find a dialer in the HDB configuration files.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
The author of the program may be contacted at ian@airs.com or
c/o Cygnus Support, 48 Grove Street, Somerville, MA 02144.
*/
#include "uucnfi.h"
#if USE_RCS_ID
const char _uuconf_hdial_rcsid[] = "$Id: hdial.c,v 1.3 1995/08/24 05:21:16 jtc Exp $";
#endif
#include <errno.h>
#include <ctype.h>
/* Find a dialer in the HDB configuration files by name. */
int
uuconf_hdb_dialer_info (pglobal, zname, qdialer)
pointer pglobal;
const char *zname;
struct uuconf_dialer *qdialer;
{
struct sglobal *qglobal = (struct sglobal *) pglobal;
char **pz;
char *zline;
size_t cline;
char **pzsplit;
size_t csplit;
int iret;
zline = NULL;
cline = 0;
pzsplit = NULL;
csplit = 0;
iret = UUCONF_NOT_FOUND;
for (pz = qglobal->qprocess->pzhdb_dialers; *pz != NULL; pz++)
{
FILE *e;
int cchars;
qglobal->ilineno = 0;
e = fopen (*pz, "r");
if (e == NULL)
{
if (FNO_SUCH_FILE ())
continue;
qglobal->ierrno = errno;
iret = UUCONF_FOPEN_FAILED | UUCONF_ERROR_ERRNO;
break;
}
while ((cchars = _uuconf_getline (qglobal, &zline, &cline, e)) > 0)
{
int ctoks;
pointer pblock;
++qglobal->ilineno;
--cchars;
if (zline[cchars] == '\n')
zline[cchars] = '\0';
if (isspace (BUCHAR (zline[0])) || zline[0] == '#')
continue;
ctoks = _uuconf_istrsplit (zline, '\0', &pzsplit, &csplit);
if (ctoks < 0)
{
qglobal->ierrno = errno;
iret = UUCONF_MALLOC_FAILED | UUCONF_ERROR_ERRNO;
break;
}
if (ctoks < 1)
continue;
if (strcmp (zname, pzsplit[0]) != 0)
continue;
/* We found the dialer. */
pblock = uuconf_malloc_block ();
if (pblock == NULL)
{
qglobal->ierrno = errno;
iret = UUCONF_MALLOC_FAILED | UUCONF_ERROR_ERRNO;
break;
}
if (uuconf_add_block (pblock, zline) != 0)
{
qglobal->ierrno = errno;
uuconf_free_block (pblock);
iret = UUCONF_MALLOC_FAILED | UUCONF_ERROR_ERRNO;
break;
}
zline = NULL;
_uuconf_uclear_dialer (qdialer);
qdialer->uuconf_zname = pzsplit[0];
qdialer->uuconf_palloc = pblock;
if (ctoks > 1)
{
/* The second field is characters to send instead of "="
and "-" in phone numbers. */
if (strcmp (pzsplit[1], "\"\"") == 0)
{
char *zsubs;
char bnext;
zsubs = pzsplit[1];
bnext = *zsubs;
while (bnext != '\0')
{
if (bnext == '=')
qdialer->uuconf_zdialtone = zsubs + 1;
else if (bnext == '-')
qdialer->uuconf_zpause = zsubs + 1;
if (zsubs[1] == '\0')
break;
zsubs += 2;
bnext = *zsubs;
*zsubs = '\0';
}
}
/* Any remaining fields form a chat script. */
if (ctoks > 2)
{
pzsplit[1] = (char *) "chat";
iret = _uuconf_ichat_cmd (qglobal, ctoks - 1,
pzsplit + 1,
&qdialer->uuconf_schat,
pblock);
iret &=~ UUCONF_CMDTABRET_KEEP;
if (iret != UUCONF_SUCCESS)
{
uuconf_free_block (pblock);
break;
}
}
}
iret = UUCONF_SUCCESS;
break;
}
(void) fclose (e);
if (iret != UUCONF_NOT_FOUND)
break;
}
if (zline != NULL)
free ((pointer) zline);
if (pzsplit != NULL)
free ((pointer) pzsplit);
if (iret != UUCONF_SUCCESS && iret != UUCONF_NOT_FOUND)
{
qglobal->zfilename = *pz;
iret |= UUCONF_ERROR_FILENAME | UUCONF_ERROR_LINENO;
}
return iret;
}