X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fmultimeter.c;h=2ffcc8f2ca97d2de8743418e051610dd54f22651;hb=e14e8b7f5c5bf9d0fe5cc632c6383f304d4ac2ad;hp=775eb57e27bff64201f81e83cf6528c36fa0608e;hpb=52f41fed6e32f66f5817a82ae175fd443084f8a3;p=collectd.git diff --git a/src/multimeter.c b/src/multimeter.c index 775eb57e..2ffcc8f2 100644 --- a/src/multimeter.c +++ b/src/multimeter.c @@ -23,6 +23,7 @@ **/ #include "collectd.h" + #include "common.h" #include "plugin.h" @@ -148,22 +149,21 @@ static int multimeter_read_value(double *value) static int multimeter_init (void) { - int i; char device[] = "/dev/ttyS "; - for (i = 0; i < 10; i++) + for (int i = 0; i < 10; i++) { - device[strlen(device)-1] = i + '0'; + device[strlen(device)-1] = i + '0'; - if ((fd = open(device, O_RDWR | O_NOCTTY)) > 0) + if ((fd = open(device, O_RDWR | O_NOCTTY)) != -1) { - struct termios tios; + struct termios tios = { 0 }; int rts = TIOCM_RTS; double value; tios.c_cflag = B1200 | CS7 | CSTOPB | CREAD | CLOCAL; tios.c_iflag = IGNBRK | IGNPAR; - tios.c_oflag = 0; + tios.c_oflag = 0; tios.c_lflag = 0; tios.c_cc[VTIME] = 3; tios.c_cc[VMIN] = LINE_LENGTH; @@ -171,7 +171,7 @@ static int multimeter_init (void) tcflush(fd, TCIFLUSH); tcsetattr(fd, TCSANOW, &tios); ioctl(fd, TIOCMBIC, &rts); - + if (multimeter_read_value (&value) < -1) { close (fd); @@ -193,12 +193,9 @@ static int multimeter_init (void) static void multimeter_submit (double value) { - value_t values[1]; value_list_t vl = VALUE_LIST_INIT; - values[0].gauge = value; - - vl.values = values; + vl.values = &(value_t) { .gauge = value }; vl.values_len = 1; sstrncpy (vl.host, hostname_g, sizeof (vl.host)); sstrncpy (vl.plugin, "multimeter", sizeof (vl.plugin));