X-Git-Url: https://git.octo.it/?p=collectd.git;a=blobdiff_plain;f=src%2Fmultimeter.c;h=ca9b15d4e5d383943a428e8aafb8285155439b57;hp=72b0fed91c1f32caab8ec7b2846389d70031b513;hb=0b7cd83a5e6bac068ea83a88a5ddcfb07c09fbec;hpb=af12cc40e48331f8c98294239cef60393218a46d

diff --git a/src/multimeter.c b/src/multimeter.c
index 72b0fed9..ca9b15d4 100644
--- a/src/multimeter.c
+++ b/src/multimeter.c
@@ -46,9 +46,7 @@ static int multimeter_read_value(double *value) {
     tcflush(fd, TCIFLUSH);
 
     if (gettimeofday(&time_end, NULL) < 0) {
-      char errbuf[1024];
-      ERROR("multimeter plugin: gettimeofday failed: %s",
-            sstrerror(errno, errbuf, sizeof(errbuf)));
+      ERROR("multimeter plugin: gettimeofday failed: %s", STRERRNO);
       return -1;
     }
     time_end.tv_sec++;
@@ -62,7 +60,7 @@ static int multimeter_read_value(double *value) {
       struct timeval time_now;
 
       status = swrite(fd, "D", 1);
-      if (status < 0) {
+      if (status != 0) {
         ERROR("multimeter plugin: swrite failed.");
         return -1;
       }
@@ -71,10 +69,9 @@ static int multimeter_read_value(double *value) {
       FD_SET(fd, &rfds);
 
       if (gettimeofday(&time_now, NULL) < 0) {
-        char errbuf[1024];
         ERROR("multimeter plugin: "
               "gettimeofday failed: %s",
-              sstrerror(errno, errbuf, sizeof(errbuf)));
+              STRERRNO);
         return -1;
       }
       if (timeval_cmp(time_end, time_now, &timeout) < 0)
@@ -132,10 +129,9 @@ static int multimeter_read_value(double *value) {
         continue;
       } else /* status == -1 */
       {
-        char errbuf[1024];
         ERROR("multimeter plugin: "
               "select failed: %s",
-              sstrerror(errno, errbuf, sizeof(errbuf)));
+              STRERRNO);
         break;
       }
     }