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git://git.openwrt.org/openwrt/openwrt.git
synced 2025-11-03 14:34:27 -05:00
291e04ee8f
When passing struct termios to ioctl TCGETS and TCSETS should be used instead of TCGETA and TCSETA, which are meant for the older struct termio. Should fix https://dev.openwrt.org/ticket/19012 Signed-off-by: Matti Laakso <malaakso@elisanet.fi> SVN-Revision: 44506
69 lines
2.2 KiB
Diff
69 lines
2.2 KiB
Diff
--- a/comgt.c
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+++ b/comgt.c
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@@ -91,6 +91,7 @@ unsigned long hstart,hset;
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char NullString[]={ "" };
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BOOL lastcharnl=1; /* Indicate that last char printed from getonebyte
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was a nl, so no new one is needed */
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+BOOL tty=1;
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//"open com \"/dev/modem\"\nset com 38400n81\nset senddelay 0.05\nsend \"ATi^m\"\nget 2 \" ^m\" $s\nprint \"Response : \",$s,\"\\n\"\nget 2 \" ^m\" $s\nprint \"Response :\",$s,\"\\n\"\nget 2 \" ^m\" $s\nprint \"Response : \",$s,\"\\n\"\n\n";
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@@ -920,7 +921,7 @@ BOOL getonoroff(void) {
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void setcom(void) {
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stbuf.c_cflag &= ~(CBAUD | CSIZE | CSTOPB | CLOCAL | PARENB);
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stbuf.c_cflag |= (speed | bits | CREAD | clocal | parity | stopbits );
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- if (ioctl(comfd, TCSETS, &stbuf) < 0) {
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+ if (tty && ioctl(comfd, TCSETS, &stbuf) < 0) {
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serror("Can't ioctl set device",1);
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}
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}
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@@ -1224,7 +1225,7 @@ void doclose(void) {
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if(strcmp(token,"hardcom")==0) {
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if(comfd== -1) serror("Com device not open",1);
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vmsg("Closing device");
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- if (ioctl(comfd, TCSETS, &svbuf) < 0) {
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+ if (tty && ioctl(comfd, TCSETS, &svbuf) < 0) {
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sprintf(msg,"Can't ioctl set device %s.\n",device);
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serror(msg,1);
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}
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@@ -1266,12 +1267,17 @@ void opengt(void) {
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ext(1);
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}
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}
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- if (ioctl (comfd, TCGETS, &svbuf) < 0) {
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+ if (isatty (comfd))
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+ tty=1;
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+ else
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+ tty=0;
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+ if (tty && ioctl (comfd, TCGETS, &svbuf) < 0) {
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sprintf(msg,"Can't control %s, please try again.\n",device);
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serror(msg,1);
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}
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setenv("COMGTDEVICE",device,1);
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- ioctl(comfd, TCGETS, &stbuf);
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+ if (tty)
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+ ioctl(comfd, TCGETS, &stbuf);
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speed=stbuf.c_cflag & CBAUD;
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if (high_speed == 0) strcpy(cspeed,"115200");
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else strcpy(cspeed,"57600");
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@@ -1302,12 +1308,16 @@ void opendevice(void) {
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}
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}
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else comfd=0;
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-
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- if (ioctl (comfd, TCGETS, &svbuf) < 0) {
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+ if (isatty (comfd))
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+ tty=1;
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+ else
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+ tty=0;
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+ if (tty && ioctl (comfd, TCGETS, &svbuf) < 0) {
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sprintf(msg,"Can't ioctl get device %s.\n",device);
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serror(msg,1);
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}
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- ioctl(comfd, TCGETS, &stbuf);
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+ if (tty)
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+ ioctl(comfd, TCGETS, &stbuf);
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speed=stbuf.c_cflag & CBAUD;
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switch(speed) {
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case B0: strcpy(cspeed,"0");break;
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