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/***************************************************************************
lib/ibFind.c
-------------------
copyright : (C) 2001,2002,2003 by Frank Mori Hess
email : fmhess@users.sourceforge.net
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "ib_internal.h"
#include <string.h>
#include <stdlib.h>
int ibfind(const char *dev)
{
int index;
int retval;
int ud;
ibConf_t *conf;
int status;
retval = ibParseConfigFile(-1);
if (retval < 0) {
if (errno) {
setIbcnt(errno);
setIberr(EDVR);
} else {
setIberr(ECNF);
}
setIbsta(ERR);
sync_globals();
return -1;
}
if ((index = ibFindDevIndex(dev)) < 0) { /* find desired entry */
setIberr(EARG);
setIbsta(ERR);
sync_globals();
return -1;
}
conf = &ibFindConfigs[ index ];
if (getenv("IB_NO_ERROR"))
conf->error_msg_disable = 1;
ud = my_ibdev(*conf);
if (ud < 0) {
if (!conf->error_msg_disable)
fprintf(stderr, "libgpib: ibfind failed to get descriptor\n");
return -1;
}
conf = general_enter_library(ud, 1, 0);
if (conf->flags & CN_SDCL) {
status = ibclr(ud);
if (status & ERR)
return -1;
}
if (strcmp(conf->init_string, "")) {
status = ibwrt(ud, conf->init_string, strlen(conf->init_string));
if (status & ERR)
return -1;
}
return ud;
}
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