vendor-reset/userspace/ucommon.c

63 lines
1.5 KiB
C

/*
Vendor Reset - Vendor Specific Reset
Copyright (C) 2020 Geoffrey McRae <geoff@hostfission.com>
Copyright (C) 2020 Adam Madsen <adam@ajmadsen.com>
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.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include "ucommon.h"
int parse_dbdf(const char *dbdf_str, struct dbdf *out)
{
char *dbdf, *tok;
if (!dbdf_str || !(dbdf = strdup(dbdf_str)))
return 1;
if (!(tok = strtok(dbdf, ":")))
goto err;
out->domain = 0;
out->bus = strtoul(tok, NULL, 16);
tok = strtok(NULL, ":");
if (strtok(NULL, ":"))
{
out->domain = out->bus;
out->bus = strtoul(tok, NULL, 16);
/* guaranteed to be okay */
tok += strlen(tok) + 1;
}
if (!(tok = strtok(tok, ".")))
goto err;
out->device = strtoul(tok, NULL, 16);
if (!(tok = strtok(NULL, ".")))
goto err;
out->function = strtoul(tok, NULL, 16);
free(dbdf);
return 0;
err:
free(dbdf);
return 1;
}