Released under the terms of the GNU GPL, see file COPYING for more details.
$Log$
+ Revision 1.1.1.1.12.2 2001/11/27 23:34:48 short
+ Update: orig2001_11_27_05_17 -> orig2001_11_27_22_58
+
Revision 1.1.1.1.12.1 2001/11/25 23:31:56 short
WARNING! dependency on: lace_cfgreader (branchpoint), lace_utils
#include "devices/unixserial.h"
#ifdef HAVE_SYS_IOCTL_COMPAT_H
- #include <sys/ioctl_compat.h>
+# include <sys/ioctl_compat.h>
#endif
#ifdef HAVE_SYS_SELECT_H
-#include <sys/select.h>
+# include <sys/select.h>
#endif
/* If the target operating system does not have cfsetspeed, we can emulate
it. */
#ifndef HAVE_CFSETSPEED
- #if defined(HAVE_CFSETISPEED) && defined(HAVE_CFSETOSPEED)
- #define cfsetspeed(t, speed) \
- (cfsetispeed(t, speed) || cfsetospeed(t, speed))
- #else
- static int cfsetspeed(struct termios *t, int speed) {
- #ifdef HAVE_TERMIOS_CSPEED
- t->c_ispeed = speed;
- t->c_ospeed = speed;
- #else
- t->c_cflag |= speed;
- #endif
- return 0;
- }
- #endif
-#endif
+# if defined(HAVE_CFSETISPEED) && defined(HAVE_CFSETOSPEED)
+# define cfsetspeed(t, speed) \
+ (cfsetispeed(t, speed) || cfsetospeed(t, speed))
+# else
+static int cfsetspeed(struct termios *t, int speed)
+{
+# ifdef HAVE_TERMIOS_CSPEED
+ t->c_ispeed = speed;
+ t->c_ospeed = speed;
+# else
+ t->c_cflag |= speed;
+# endif /* HAVE_TERMIOS_CSPEED */
+ return 0;
+}
+# endif /* HAVE_CFSETISPEED && HAVE_CFSETOSPEED */
+#endif /* HAVE_CFSETSPEED */
#ifndef O_NONBLOCK
- #define O_NONBLOCK 0
+# define O_NONBLOCK 0
#endif
/* Structure to backup the setting of the terminal. */
-
struct termios serial_termios;
/* Script handling: */
-static void device_script_cfgfunc(const char *section,const char *key,const char *value)
+static void device_script_cfgfunc(const char *section, const char *key,
+ const char *value)
{
- setenv(key,value,1/*overwrite*/); /* errors ignored */
+ setenv(key, value, 1 /*overwrite */ ); /* errors ignored */
}
static int device_script(int fd, const char *section)
{
-pid_t pid;
-const char *scriptname = CFG_Get(CFG_Info, "global", section);
-
- if (!scriptname)
- return(0);
-
- errno=0;
- switch ((pid=fork())) {
- case -1:
- fprintf(stderr,_("device_script(\"%s\"): fork() failure: %s!\n"),scriptname,strerror(errno));
- return(-1);
-
- default: { /* parent */
-int status;
- if (pid==waitpid(pid,&status,0/*options*/) && WIFEXITED(status) && !WEXITSTATUS(status))
- return(0);
- fprintf(stderr,_("device_script(\"%s\"): child script failure: %s, exit code=%d\n"),scriptname,
- (WIFEXITED(status) ? _("normal exit") : _("abnormal exit")),
- (WIFEXITED(status) ? WEXITSTATUS(status) : -1));
- errno=EIO;
- return(-1);
- }
-
- case 0: { /* child */
- CFG_GetForeach(CFG_Info,section,device_script_cfgfunc);
- errno=0;
- if (0!=dup2(fd,0) || 1!=dup2(fd,1) || close(fd)) {
- fprintf(stderr,_("device_script(\"%s\"): file descriptor prepare: %s\n"),scriptname,strerror(errno));
- _exit(-1);
+ pid_t pid;
+ const char *scriptname = CFG_Get(CFG_Info, "global", section);
+
+ if (!scriptname)
+ return (0);
+
+ errno = 0;
+ switch ((pid = fork())) {
+ case -1:
+ fprintf(stderr,
+ _("device_script(\"%s\"): fork() failure: %s!\n"),
+ scriptname, strerror(errno));
+ return (-1);
+
+ default:{ /* parent */
+ int status;
+ if (pid == waitpid(pid, &status, 0 /*options */ )
+ && WIFEXITED(status) && !WEXITSTATUS(status))
+ return (0);
+ fprintf(stderr,
+ _
+ ("device_script(\"%s\"): child script failure: %s, exit code=%d\n"),
+ scriptname,
+ (WIFEXITED(status) ? _("normal exit") :
+ _("abnormal exit")),
+ (WIFEXITED(status) ? WEXITSTATUS(status) :
+ -1));
+ errno = EIO;
+ return (-1);
+ }
+
+ case 0:{ /* child */
+ CFG_GetForeach(CFG_Info, section,
+ device_script_cfgfunc);
+ errno = 0;
+ if (0 != dup2(fd, 0) || 1 != dup2(fd, 1)
+ || close(fd)) {
+ fprintf(stderr,
+ _
+ ("device_script(\"%s\"): file descriptor prepare: %s\n"),
+ scriptname, strerror(errno));
+ _exit(-1);
+ }
+ /* FIXME: close all open descriptors - how to track them?
+ */
+ execl("/bin/sh", "sh", "-c", scriptname, NULL);
+ fprintf(stderr,
+ _
+ ("device_script(\"%s\"): execute script: %s\n"),
+ scriptname, strerror(errno));
+ _exit(-1);
+ /* NOTREACHED */
+ }
}
- /* FIXME: close all open descriptors - how to track them?
- */
- execl("/bin/sh","sh","-c",scriptname,NULL);
- fprintf(stderr,_("device_script(\"%s\"): execute script: %s\n"),scriptname,strerror(errno));
- _exit(-1);
- /* NOTREACHED */
- }
- }
- /* NOTREACHED */
+ /* NOTREACHED */
}
int serial_close_all_openfds[0x10]; /* -1 when entry not used, fd otherwise */
static void serial_close_all(void)
{
- int i;
+ int i;
- dprintf("serial_close_all() executed\n");
- for (i=0;i<ARRAY_LEN(serial_close_all_openfds);i++)
- if (serial_close_all_openfds[i]!=-1)
- serial_close(serial_close_all_openfds[i]);
+ dprintf("serial_close_all() executed\n");
+ for (i = 0; i < ARRAY_LEN(serial_close_all_openfds); i++)
+ if (serial_close_all_openfds[i] != -1)
+ serial_close(serial_close_all_openfds[i]);
}
static void unixserial_interrupted(int signo)
}
/* Open the serial port and store the settings. */
+int serial_open(__const char *__file, int __oflag)
+{
+ int __fd;
+ int retcode, i;
+ static bool atexit_registered = false;
+
+ if (!atexit_registered) {
+ memset(serial_close_all_openfds, -1,
+ sizeof(serial_close_all_openfds));
+#if 0 /* Disabled for now as atexit() functions are then called multiple times for pthreads! */
+ signal(SIGINT, unixserial_interrupted);
+#endif
+ atexit(serial_close_all);
+ atexit_registered = true;
+ }
-int serial_open(__const char *__file, int __oflag) {
+ __fd = open(__file, __oflag);
+ if (__fd == -1) {
+ perror("Gnokii serial_open: open");
+ return (-1);
+ }
- int __fd;
- int retcode,i;
- static bool atexit_registered=false;
+ for (i = 0; i < ARRAY_LEN(serial_close_all_openfds); i++)
+ if (serial_close_all_openfds[i] == -1
+ || serial_close_all_openfds[i] == __fd) {
+ serial_close_all_openfds[i] = __fd;
+ break;
+ }
- if (!atexit_registered) {
- memset(serial_close_all_openfds,-1,sizeof(serial_close_all_openfds));
-#if 0 /* Disabled for now as atexit() functions are then called multiple times for pthreads! */
- signal(SIGINT,unixserial_interrupted);
-#endif
- atexit(serial_close_all);
- atexit_registered=true;
- }
-
- __fd = open(__file, __oflag);
- if (__fd == -1) {
- perror("Gnokii serial_open: open");
- return (-1);
- }
-
- for (i=0;i<ARRAY_LEN(serial_close_all_openfds);i++)
- if (serial_close_all_openfds[i]==-1 || serial_close_all_openfds[i]==__fd) {
- serial_close_all_openfds[i]=__fd;
- break;
- }
-
- retcode=tcgetattr(__fd, &serial_termios);
- if(retcode==-1) {
- perror("Gnokii serial_open:tcgetattr");
- /* Don't call serial_close since serial_termios is not valid */
- close(__fd);
- return(-1);
- }
-
- return __fd;
+ retcode = tcgetattr(__fd, &serial_termios);
+ if (retcode == -1) {
+ perror("Gnokii serial_open:tcgetattr");
+ /* Don't call serial_close since serial_termios is not valid */
+ close(__fd);
+ return (-1);
+ }
+
+ return __fd;
}
/* Close the serial port and restore old settings. */
+int serial_close(int __fd)
+{
+ int i;
-int serial_close(int __fd) {
- int i;
-
- for (i=0;i<ARRAY_LEN(serial_close_all_openfds);i++)
- if (serial_close_all_openfds[i]==__fd)
- serial_close_all_openfds[i]=-1; /* fd closed */
+ for (i = 0; i < ARRAY_LEN(serial_close_all_openfds); i++)
+ if (serial_close_all_openfds[i] == __fd)
+ serial_close_all_openfds[i] = -1; /* fd closed */
- /* handle config file disconnect_script:
- */
- if (-1 == device_script(__fd,"disconnect_script"))
- fprintf(stderr,"Gnokii serial_close: disconnect_script\n");
+ /* handle config file disconnect_script:
+ */
+ if (-1 == device_script(__fd, "disconnect_script"))
+ fprintf(stderr,
+ "Gnokii serial_close: disconnect_script\n");
- if (__fd >= 0) {
-#if 1 /* HACK */
- serial_termios.c_cflag |= HUPCL; /* production == 1 */
+ if (__fd >= 0) {
+#if 1 /* HACK */
+ serial_termios.c_cflag |= HUPCL; /* production == 1 */
#else
- serial_termios.c_cflag &= ~HUPCL; /* debugging == 0 */
+ serial_termios.c_cflag &= ~HUPCL; /* debugging == 0 */
#endif
- tcsetattr(__fd, TCSANOW, &serial_termios);
- }
+ tcsetattr(__fd, TCSANOW, &serial_termios);
+ }
- return (close(__fd));
+ return (close(__fd));
}
/* Open a device with standard options.
* Use value (-1) for "__with_hw_handshake" if its specification is required from the user
*/
-int serial_opendevice(__const char *__file, int __with_odd_parity, int __with_async, int __with_hw_handshake) {
-
- int fd;
- int retcode;
- struct termios tp;
-
- /* handle config file handshake override: */
- {
-char *s=CFG_Get(CFG_Info, "global", "handshake");
-
- if (s && (!strcasecmp(s,"software") || !strcasecmp(s,"rtscts")))
- __with_hw_handshake=false;
- else if (s && (!strcasecmp(s,"hardware") || !strcasecmp(s,"xonxoff")))
- __with_hw_handshake=true;
- else if (s)
- fprintf(stderr,_("Unrecognized [%s] option \"%s\", use \"%s\" or \"%s\" value, ignoring!"),
- "global","handshake","software","hardware");
-
- if (__with_hw_handshake==-1) {
- fprintf(stderr,_("[%s] option \"%s\" not found, trying to use \"%s\" value!"),
- "global","handshake","software");
- __with_hw_handshake=false;
- }
- }
-
- /* Open device */
-
- /* O_NONBLOCK MUST be used here as the CLOCAL may be currently off
- * and if DCD is down the "open" syscall would be stuck wating for DCD.
- */
- fd = serial_open(__file, O_RDWR | O_NOCTTY | O_NONBLOCK);
-
- if (fd < 0)
- return fd;
-
- /* Initialise the port settings */
-
- memcpy(&tp, &serial_termios, sizeof(struct termios));
-
- /* Set port settings for canonical input processing */
-
- tp.c_cflag = B0 | CS8 | CLOCAL | CREAD | HUPCL;
- if (__with_odd_parity) {
- tp.c_cflag |= (PARENB | PARODD);
- tp.c_iflag = 0;
- }
- else
- tp.c_iflag = IGNPAR;
- if (__with_hw_handshake)
- tp.c_cflag |= CRTSCTS;
- else
- tp.c_cflag &= ~CRTSCTS;
-
- tp.c_oflag = 0;
- tp.c_lflag = 0;
- tp.c_cc[VMIN] = 1;
- tp.c_cc[VTIME] = 0;
-
- retcode=tcflush(fd, TCIFLUSH);
- if (retcode == -1) {
- perror("Gnokii serial_opendevice: tcflush");
- serial_close(fd);
- return(-1);
- }
-
- retcode=tcsetattr(fd, TCSANOW, &tp);
- if (retcode == -1){
- perror("Gnokii serial_opendevice: tcsetattr");
- serial_close(fd);
- return(-1);
- }
-
- /* Set speed */
- {
-char *baudratestring=CFG_Get(CFG_Info, "global", "serial_baudrate");
-int baudrate=0;
-
- if (baudratestring)
- baudrate=atoi(baudratestring);
- if (baudrate && GE_NONE!=serial_changespeed(fd,baudrate))
- baudrate=0;
- if (!baudrate)
- serial_changespeed(fd,19200/*default value*/);
- }
-
- /* We need to turn off O_NONBLOCK now (we have CLOCAL set so it is safe).
- * When we run some device script it really doesn't expect NONBLOCK!
- */
-
- retcode=fcntl(fd, F_SETFL, 0);
- if (retcode == -1){
- perror("Gnokii serial_opendevice: fnctl(F_SETFL)");
- serial_close(fd);
- return(-1);
- }
-
- /* handle config file connect_script:
- */
- if (-1 == device_script(fd,"connect_script")) {
- fprintf(stderr,"Gnokii serial_opendevice: connect_script\n");
- serial_close(fd);
- return(-1);
- }
-
- /* Allow process/thread to receive SIGIO */
+int serial_opendevice(__const char *__file, int __with_odd_parity,
+ int __with_async, int __with_hw_handshake)
+{
+ int fd;
+ int retcode;
+ struct termios tp;
+
+ /* handle config file handshake override: */
+ {
+ char *s = CFG_Get(CFG_Info, "global", "handshake");
+
+ if (s && (!strcasecmp(s, "software")
+ || !strcasecmp(s, "rtscts")))
+ __with_hw_handshake = false;
+ else if (s && (!strcasecmp(s, "hardware")
+ || !strcasecmp(s, "xonxoff")))
+ __with_hw_handshake = true;
+ else if (s)
+ fprintf(stderr,
+ _
+ ("Unrecognized [%s] option \"%s\", use \"%s\" or \"%s\" value, ignoring!"),
+ "global", "handshake", "software",
+ "hardware");
+
+ if (__with_hw_handshake == -1) {
+ fprintf(stderr,
+ _
+ ("[%s] option \"%s\" not found, trying to use \"%s\" value!"),
+ "global", "handshake", "software");
+ __with_hw_handshake = false;
+ }
+ }
-#if !(__unices__)
- retcode = fcntl(fd, F_SETOWN, getpid());
- if (retcode == -1){
- perror("Gnokii serial_opendevice: fnctl(F_SETOWN)");
- serial_close(fd);
- return(-1);
- }
-#endif
+ /* Open device */
+
+ /* O_NONBLOCK MUST be used here as the CLOCAL may be currently off
+ * and if DCD is down the "open" syscall would be stuck wating for DCD.
+ */
+ fd = serial_open(__file, O_RDWR | O_NOCTTY | O_NONBLOCK);
+
+ if (fd < 0)
+ return fd;
+
+ /* Initialise the port settings */
+ memcpy(&tp, &serial_termios, sizeof(struct termios));
+
+ /* Set port settings for canonical input processing */
+ tp.c_cflag = B0 | CS8 | CLOCAL | CREAD | HUPCL;
+ if (__with_odd_parity) {
+ tp.c_cflag |= (PARENB | PARODD);
+ tp.c_iflag = 0;
+ } else
+ tp.c_iflag = IGNPAR;
+ if (__with_hw_handshake)
+ tp.c_cflag |= CRTSCTS;
+ else
+ tp.c_cflag &= ~CRTSCTS;
+
+ tp.c_oflag = 0;
+ tp.c_lflag = 0;
+ tp.c_cc[VMIN] = 1;
+ tp.c_cc[VTIME] = 0;
+
+ retcode = tcflush(fd, TCIFLUSH);
+ if (retcode == -1) {
+ perror("Gnokii serial_opendevice: tcflush");
+ serial_close(fd);
+ return (-1);
+ }
- /* Make filedescriptor asynchronous. */
-
- /* We need to supply FNONBLOCK (or O_NONBLOCK) again as it would get reset
- * by F_SETFL as a side-effect!
- */
- retcode=fcntl(fd, F_SETFL, (__with_async ? FASYNC : 0) | FNONBLOCK);
- if (retcode == -1){
- perror("Gnokii serial_opendevice: fnctl(F_SETFL)");
- serial_close(fd);
- return(-1);
- }
-
- return fd;
-}
+ retcode = tcsetattr(fd, TCSANOW, &tp);
+ if (retcode == -1) {
+ perror("Gnokii serial_opendevice: tcsetattr");
+ serial_close(fd);
+ return (-1);
+ }
-/* Set the DTR and RTS bit of the serial device. */
+ /* Set speed */
+ {
+ char *baudratestring =
+ CFG_Get(CFG_Info, "global", "serial_baudrate");
+ int baudrate = 0;
+
+ if (baudratestring)
+ baudrate = atoi(baudratestring);
+ if (baudrate
+ && GE_NONE != serial_changespeed(fd, baudrate))
+ baudrate = 0;
+ if (!baudrate)
+ serial_changespeed(fd, 19200 /*default value */ );
+ }
-void serial_setdtrrts(int __fd, int __dtr, int __rts) {
+ /* We need to turn off O_NONBLOCK now (we have CLOCAL set so it is safe).
+ * When we run some device script it really doesn't expect NONBLOCK!
+ */
- unsigned int flags;
+ retcode = fcntl(fd, F_SETFL, 0);
+ if (retcode == -1) {
+ perror("Gnokii serial_opendevice: fnctl(F_SETFL)");
+ serial_close(fd);
+ return (-1);
+ }
+
+ /* handle config file connect_script:
+ */
+ if (-1 == device_script(fd, "connect_script")) {
+ fprintf(stderr,
+ "Gnokii serial_opendevice: connect_script\n");
+ serial_close(fd);
+ return (-1);
+ }
- flags = TIOCM_DTR;
+ /* Allow process/thread to receive SIGIO */
- if (__dtr)
- ioctl(__fd, TIOCMBIS, &flags);
- else
- ioctl(__fd, TIOCMBIC, &flags);
+#if !(__unices__)
+ retcode = fcntl(fd, F_SETOWN, getpid());
+ if (retcode == -1) {
+ perror("Gnokii serial_opendevice: fnctl(F_SETOWN)");
+ serial_close(fd);
+ return (-1);
+ }
+#endif
- flags = TIOCM_RTS;
+ /* Make filedescriptor asynchronous. */
+
+ /* We need to supply FNONBLOCK (or O_NONBLOCK) again as it would get reset
+ * by F_SETFL as a side-effect!
+ */
+ retcode =
+ fcntl(fd, F_SETFL, (__with_async ? FASYNC : 0) | FNONBLOCK);
+ if (retcode == -1) {
+ perror("Gnokii serial_opendevice: fnctl(F_SETFL)");
+ serial_close(fd);
+ return (-1);
+ }
- if (__rts)
- ioctl(__fd, TIOCMBIS, &flags);
- else
- ioctl(__fd, TIOCMBIC, &flags);
+ return fd;
}
+/* Set the DTR and RTS bit of the serial device. */
+void serial_setdtrrts(int __fd, int __dtr, int __rts)
+{
+ unsigned int flags;
+
+ flags = TIOCM_DTR;
+
+ if (__dtr)
+ ioctl(__fd, TIOCMBIS, &flags);
+ else
+ ioctl(__fd, TIOCMBIC, &flags);
+
+ flags = TIOCM_RTS;
-int serial_select(int fd, struct timeval *timeout) {
+ if (__rts)
+ ioctl(__fd, TIOCMBIS, &flags);
+ else
+ ioctl(__fd, TIOCMBIC, &flags);
+}
- fd_set readfds;
- FD_ZERO(&readfds);
- FD_SET(fd, &readfds);
+int serial_select(int fd, struct timeval *timeout)
+{
+ fd_set readfds;
- return (select(fd + 1, &readfds, NULL, NULL, timeout));
+ FD_ZERO(&readfds);
+ FD_SET(fd, &readfds);
+ return (select(fd + 1, &readfds, NULL, NULL, timeout));
}
/* Change the speed of the serial device.
* RETURNS: Success
*/
-
-GSM_Error serial_changespeed(int __fd, int __speed) {
- GSM_Error retcode = true;
+GSM_Error serial_changespeed(int __fd, int __speed)
+{
+ GSM_Error retcode = true;
#ifndef SGTTY
- struct termios t;
+ struct termios t;
#else
- struct sgttyb t;
+ struct sgttyb t;
#endif
-
- int speed=B9600;
-
- switch (__speed) {
- case 9600: speed = B9600; break;
- case 19200: speed = B19200; break;
- case 38400: speed = B38400; break;
- case 57600: speed = B57600; break;
- case 115200: speed = B115200; break;
- default:
- fprintf(stderr,_("Serial port speed %d not supported!\n"),__speed);
- return(GE_NOTSUPPORTED);
- }
+ int speed = B9600;
+
+ switch (__speed) {
+ case 9600:
+ speed = B9600;
+ break;
+ case 19200:
+ speed = B19200;
+ break;
+ case 38400:
+ speed = B38400;
+ break;
+ case 57600:
+ speed = B57600;
+ break;
+ case 115200:
+ speed = B115200;
+ break;
+ default:
+ fprintf(stderr, _("Serial port speed %d not supported!\n"),
+ __speed);
+ return (GE_NOTSUPPORTED);
+ }
#ifndef SGTTY
- if (tcgetattr(__fd, &t))
- retcode = GE_INTERNALERROR;
-
- // This is not needed! We set up the speed via cfsetspeed
- // t.c_cflag &= ~CBAUD;
- // t.c_cflag |= speed;
- if (cfsetspeed(&t, speed) == -1) {
- dprintf(_("Serial port speed setting failed\n"));
- retcode = GE_INTERNALERROR;
- }
-
- tcsetattr(__fd, TCSADRAIN, &t);
+ if (tcgetattr(__fd, &t))
+ retcode = GE_INTERNALERROR;
+
+ // This is not needed! We set up the speed via cfsetspeed
+ // t.c_cflag &= ~CBAUD;
+ // t.c_cflag |= speed;
+ if (cfsetspeed(&t, speed) == -1) {
+ dprintf(_("Serial port speed setting failed\n"));
+ retcode = GE_INTERNALERROR;
+ }
+
+ tcsetattr(__fd, TCSADRAIN, &t);
#else
- if (ioctl(__fd, TIOCGETP, &t))
- retcode = GE_INTERNALERROR;
+ if (ioctl(__fd, TIOCGETP, &t))
+ retcode = GE_INTERNALERROR;
- t.sg_ispeed = speed;
- t.sg_ospeed = speed;
+ t.sg_ispeed = speed;
+ t.sg_ospeed = speed;
- if (ioctl(__fd, TIOCSETN, &t))
- retcode = GE_INTERNALERROR;
+ if (ioctl(__fd, TIOCSETN, &t))
+ retcode = GE_INTERNALERROR;
#endif
- return(retcode);
+ return (retcode);
}
/* Read from serial device. */
-size_t serial_read(int __fd, __ptr_t __buf, size_t __nbytes) {
-
- return (read(__fd, __buf, __nbytes));
+size_t serial_read(int __fd, __ptr_t __buf, size_t __nbytes)
+{
+ return (read(__fd, __buf, __nbytes));
}
#if !defined(TIOCMGET) && defined(TIOCMODG)
static void check_dcd(int __fd)
{
#ifdef TIOCMGET
-int mcs;
+ int mcs;
if (ioctl(__fd, TIOCMGET, &mcs) || !(mcs & TIOCM_CAR)) {
- fprintf(stderr,_("ERROR: Modem DCD is down and global/require_dcd parameter is set!\n"));
- exit(EXIT_FAILURE); /* Hard quit of all threads */
- }
+ fprintf(stderr,
+ _
+ ("ERROR: Modem DCD is down and global/require_dcd parameter is set!\n"));
+ exit(EXIT_FAILURE); /* Hard quit of all threads */
+ }
#else
/* Impossible!! (eg. Coherent) */
#endif
/* Write to serial device. */
-size_t serial_write(int __fd, __const __ptr_t __buf, size_t __n) {
+size_t serial_write(int __fd, __const __ptr_t __buf, size_t __n)
+{
-size_t r=0;
-ssize_t got;
-static long serial_write_usleep=LONG_MIN;
-static int require_dcd=-1;
+ size_t r = 0;
+ ssize_t got;
+ static long serial_write_usleep = LONG_MIN;
+ static int require_dcd = -1;
- if (serial_write_usleep==LONG_MIN) {
-char *s=CFG_Get(CFG_Info, "global", "serial_write_usleep");
+ if (serial_write_usleep == LONG_MIN) {
+ char *s =
+ CFG_Get(CFG_Info, "global", "serial_write_usleep");
- serial_write_usleep=(!s ?
- SERIAL_WRITE_USLEEP_DEFAULT : atol(CFG_Get(CFG_Info, "global", "serial_write_usleep")));
- }
+ serial_write_usleep = (!s ?
+ SERIAL_WRITE_USLEEP_DEFAULT :
+ atol(CFG_Get
+ (CFG_Info, "global",
+ "serial_write_usleep")));
+ }
- if (require_dcd==-1) {
- require_dcd=(!!CFG_Get(CFG_Info, "global", "require_dcd"));
+ if (require_dcd == -1) {
+ require_dcd =
+ (!!CFG_Get(CFG_Info, "global", "require_dcd"));
#ifndef TIOCMGET
if (require_dcd)
- fprintf(stderr,_("WARNING: global/require_dcd argument was set but it is not supported on this system!\n"));
+ fprintf(stderr,
+ _
+ ("WARNING: global/require_dcd argument was set but it is not supported on this system!\n"));
#endif
- }
+ }
if (require_dcd)
check_dcd(__fd);
- if (serial_write_usleep<0)
- return(write(__fd, __buf, __n));
+ if (serial_write_usleep < 0)
+ return (write(__fd, __buf, __n));
- while (__n>0) {
- got=write(__fd, __buf, 1);
- if (got<=0)
- return((!r ? -1 : r));
+ while (__n > 0) {
+ got = write(__fd, __buf, 1);
+ if (got <= 0)
+ return ((!r ? -1 : r));
__buf++;
__n--;
r++;
if (serial_write_usleep)
usleep(serial_write_usleep);
- }
- return(r);
+ }
+ return (r);
}
-#endif /* WIN32 */
+#endif /* WIN32 */
git://git.jankratochvil.net / gnokii.git / blobdiff