X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fbattery.c;h=78e96b25314dd72052c536c18e2fbb02b3037c79;hb=80294418289129eb75c9f07e2043adcbd02941a4;hp=5c02fee235c624fc9b556d8581b884ced17b1146;hpb=3fb6fe5776c14f41879249f4147c0b8924b39cc1;p=collectd.git

diff --git a/src/battery.c b/src/battery.c
index 5c02fee2..78e96b25 100644
--- a/src/battery.c
+++ b/src/battery.c
@@ -350,10 +350,12 @@ static int sysfs_file_to_buffer(char const *dir, /* {{{ */
   ssnprintf(filename, sizeof(filename), "%s/%s/%s", dir, power_supply,
             basename);
 
-  status = (int)read_file_contents(filename, buffer, buffer_size);
+  status = (int)read_file_contents(filename, buffer, buffer_size - 1);
   if (status < 0)
     return status;
 
+  buffer[status] = '\0';
+
   strstripnewline(buffer);
   return 0;
 } /* }}} int sysfs_file_to_buffer */
@@ -364,7 +366,7 @@ static int sysfs_file_to_gauge(char const *dir, /* {{{ */
                                char const *power_supply, char const *basename,
                                gauge_t *ret_value) {
   int status;
-  char buffer[32] = "";
+  char buffer[32];
 
   status =
       sysfs_file_to_buffer(dir, power_supply, basename, buffer, sizeof(buffer));