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fixed setting of __comedi_errno after ioctl

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Frank Mori Hess 2003-02-16 16:45:13 +00:00
parent 60a24ae631
commit b7de679b2f
2 changed files with 12 additions and 3 deletions
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11
lib/ioctl.c
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@ -38,13 +38,22 @@
/* ioctl wrappers */
int _comedi_ioctl( int fd, int request, unsigned long arg )
{
int ret;
ret = ioctl( fd, request, arg );
if( ret < 0 )
libc_error();
return ret;
}
int _comedi_ioctl_debug(int fd, int request, unsigned long arg)
{
int ret;
fprintf(stderr,"ioctl(%d,0x%08x,0x%08lx) = ",fd,request,arg);
ret = ioctl(fd,request,arg);
ret = _comedi_ioctl(fd,request,arg);
fprintf(stderr,"%d\n",ret);
return ret;

4
lib/libinternal.h
View file

@ -126,10 +126,10 @@ struct subdevice_struct{
comedi_cmd *cmd_timed;
};
#define comedi_ioctl ioctl
#define comedi_ioctl _comedi_ioctl
//#define comedi_ioctl _comedi_ioctl_debug
int _comedi_ioctl( int fd, int request, unsigned long arg );
int _comedi_ioctl_debug(int,int,unsigned long);
/* filler routines */