diff options
Diffstat (limited to '')
-rw-r--r-- | Crystalfontz.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/Crystalfontz.c b/Crystalfontz.c index c88f55d..599ff0a 100644 --- a/Crystalfontz.c +++ b/Crystalfontz.c @@ -1,4 +1,4 @@ -/* $Id: Crystalfontz.c,v 1.6 2001/02/13 09:00:13 reinelt Exp $ +/* $Id: Crystalfontz.c,v 1.7 2001/04/27 05:04:57 reinelt Exp $ * * driver for display modules from Crystalfontz * @@ -19,6 +19,12 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * $Log: Crystalfontz.c,v $ + * Revision 1.7 2001/04/27 05:04:57 reinelt + * + * replaced OPEN_MAX with sysconf() + * replaced mktemp() with mkstemp() + * unlock serial port if open() fails + * * Revision 1.6 2001/02/13 09:00:13 reinelt * * prepared framework for GPO's (general purpose outputs) @@ -93,16 +99,19 @@ struct termios portset; fd=open(Port,O_RDWR|O_NOCTTY|O_NDELAY); if (fd==-1) { error ("Crystalfontz: open(%s) failed: %s", Port, strerror(errno)); + unlock_port(Port); return -1; } if (tcgetattr(fd,&portset)==-1) { error ("Crystalfontz: tcgetattr(%s) failed: %s", Port, strerror(errno)); + unlock_port(Port); return -1; } cfmakeraw(&portset); cfsetospeed(&portset,Speed); if (tcsetattr(fd, TCSANOW, &portset)==-1) { error ("Crystalfontz: tcsetattr(%s) failed: %s", Port, strerror(errno)); + unlock_port(Port); return -1; } return fd; |