X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fted.c;h=96c94e5d3f64d0bbb854dd83df7640ec49424f22;hb=1bdfcf9791729310f75857d0e002c40ef659a89b;hp=37ab85dd02e863834e054c167e22ad92ee0240d6;hpb=38909dcf1dcb596c5f525c6bb25cf89c046013b5;p=collectd.git diff --git a/src/ted.c b/src/ted.c index 37ab85dd..96c94e5d 100644 --- a/src/ted.c +++ b/src/ted.c @@ -35,6 +35,7 @@ **/ #include "collectd.h" + #include "common.h" #include "plugin.h" #include "configfile.h" @@ -70,11 +71,15 @@ static int ted_read_value(double *ret_power, double *ret_voltage) { unsigned char receive_buffer[300]; unsigned char package_buffer[300]; - char pkt_request[1] = {0xAA}; + unsigned char pkt_request[1] = {0xAA}; int package_buffer_pos; fd_set input; - struct timeval timeout; + + /* Initialize timeout structure, set to 2 seconds */ + struct timeval timeout = { + .tv_sec = 2 + }; int end_flag; int escape_flag; @@ -87,11 +92,6 @@ static int ted_read_value(double *ret_power, double *ret_voltage) FD_ZERO (&input); FD_SET (fd, &input); - /* Initialize timeout structure, set to 2 seconds */ - memset (&timeout, 0, sizeof (timeout)); - timeout.tv_sec = 2; - timeout.tv_usec = 0; - /* clear out anything in the buffer */ tcflush (fd, TCIFLUSH); @@ -108,7 +108,6 @@ static int ted_read_value(double *ret_power, double *ret_voltage) while (end_flag == 0) { ssize_t receive_buffer_length; - ssize_t i; /* check for timeout or input error*/ status = select (fd + 1, &input, NULL, NULL, &timeout); @@ -165,7 +164,7 @@ static int ted_read_value(double *ret_power, double *ret_voltage) * the beginning of the package has been found. */ escape_flag = 0; - for (i = 0; i < receive_buffer_length; i++) + for (ssize_t i = 0; i < receive_buffer_length; i++) { /* Check if previous byte was the escape byte. */ if (escape_flag == 1) @@ -312,7 +311,6 @@ static int ted_read (void) double power; double voltage; int status; - int i; status = ted_open_device (); if (status != 0) @@ -320,7 +318,7 @@ static int ted_read (void) power = NAN; voltage = NAN; - for (i = 0; i <= conf_retries; i++) + for (int i = 0; i <= conf_retries; i++) { status = ted_read_value (&power, &voltage); if (status == 0)