X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fsigrok.c;h=400645538d7d842f5d47f422f1347a2be5d7112d;hb=db961f476426f5dd3ca1663ffc094f0fc7f6f8a2;hp=487f31a1b8030edbb299affb87368849d743064c;hpb=b4cc5c7399adf79198aea816d44a42df25431d15;p=collectd.git

diff --git a/src/sigrok.c b/src/sigrok.c
index 487f31a1..40064553 100644
--- a/src/sigrok.c
+++ b/src/sigrok.c
@@ -20,6 +20,7 @@
  */
 
 #include "collectd.h"
+
 #include "common.h"
 #include "plugin.h"
 
@@ -27,7 +28,6 @@
 #include <stdlib.h>
 #include <string.h>
 #include <time.h>
-#include <pthread.h>
 
 #include <glib.h>
 #include <libsigrok/libsigrok.h>
@@ -70,13 +70,11 @@ static int sigrok_log_callback(void*cb_data __attribute__((unused)),
 static int sigrok_config_device(oconfig_item_t *ci)
 {
 	struct config_device *cfdev;
-	int i;
 
-	if (!(cfdev = malloc(sizeof(struct config_device)))) {
-		ERROR("sigrok plugin: malloc() failed.");
+	if (!(cfdev = calloc(1, sizeof(*cfdev)))) {
+		ERROR("sigrok plugin: calloc failed.");
 		return -1;
 	}
-	memset(cfdev, 0, sizeof(*cfdev));
 	if (cf_util_get_string(ci, &cfdev->name)) {
 		free(cfdev);
 		WARNING("sigrok plugin: Invalid device name.");
@@ -84,7 +82,7 @@ static int sigrok_config_device(oconfig_item_t *ci)
 	}
 	cfdev->min_dispatch_interval = DEFAULT_MIN_DISPATCH_INTERVAL;
 
-	for (i = 0; i < ci->children_num; i++) {
+	for (int i = 0; i < ci->children_num; i++) {
 		oconfig_item_t *item = ci->children + i;
 		if (!strcasecmp(item->key, "driver"))
 			cf_util_get_string(item, &cfdev->driver);
@@ -106,9 +104,7 @@ static int sigrok_config_device(oconfig_item_t *ci)
 
 static int sigrok_config(oconfig_item_t *ci)
 {
-	int i;
-
-	for (i = 0; i < ci->children_num; i++) {
+	for (int i = 0; i < ci->children_num; i++) {
 		oconfig_item_t *item = ci->children + i;
 		if (strcasecmp("LogLevel", item->key) == 0) {
 			int status;
@@ -136,9 +132,9 @@ static int sigrok_config(oconfig_item_t *ci)
 	return 0;
 }
 
-static char *sigrok_value_type(const struct sr_datafeed_analog *analog)
+static const char *sigrok_value_type(const struct sr_datafeed_analog *analog)
 {
-	char *s;
+	const char *s;
 
 	if (analog->mq == SR_MQ_VOLTAGE)
 		s = "voltage";
@@ -165,13 +161,12 @@ static void sigrok_feed_callback(const struct sr_dev_inst *sdi,
 {
 	const struct sr_datafeed_analog *analog;
 	struct config_device *cfdev;
-	GSList *l;
 	value_t value;
 	value_list_t vl = VALUE_LIST_INIT;
 
 	/* Find this device's configuration. */
 	cfdev = NULL;
-	for (l = config_devices; l; l = l->next) {
+	for (GSList *l = config_devices; l; l = l->next) {
 		cfdev = l->data;
 		if (cfdev->sdi == sdi) {
 			/* Found it. */
@@ -236,14 +231,14 @@ static int sigrok_init_driver(struct config_device *cfdev,
 
 	drvopts = NULL;
 	if (cfdev->conn) {
-		if (!(src = malloc(sizeof(struct sr_config))))
+		if (!(src = malloc(sizeof(*src))))
 			return -1;
 		src->key = SR_CONF_CONN;
 		src->data = g_variant_new_string(cfdev->conn);
 		drvopts = g_slist_append(drvopts, src);
 	}
 	if (cfdev->serialcomm) {
-		if (!(src = malloc(sizeof(struct sr_config))))
+		if (!(src = malloc(sizeof(*src))))
 			return -1;
 		src->key = SR_CONF_SERIALCOMM;
 		src->data = g_variant_new_string(cfdev->serialcomm);