61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
/*
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lib/ioctl.c
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low-level functions
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COMEDILIB - Linux Control and Measurement Device Interface Library
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Copyright (C) 1997-2001 David A. Schleef <ds@schleef.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation, version 2.1
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of the License.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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USA.
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*/
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#include <stdio.h>
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#include <math.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#include <errno.h>
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#include <string.h>
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#include "libinternal.h"
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/* ioctl wrappers */
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int _comedi_ioctl(int fd, int request, void *arg)
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{
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int ret;
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ret = ioctl(fd, request, arg);
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if(ret < 0)
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libc_error();
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return ret;
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}
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int _comedi_ioctl_debug(int fd, int request, void *arg)
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{
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int ret;
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fprintf(stderr,"ioctl(%d,0x%08x,%p) = ",fd, request, arg);
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ret = _comedi_ioctl(fd, request, arg);
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fprintf(stderr,"%d\n", ret);
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return ret;
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}
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