treewide: declare loop variable in loop expression

[collectd.git] / src / nginx.c

diff --git a/src/nginx.c b/src/nginx.c
index 69ec06d..e346cee 100644 (file)
--- a/src/nginx.c
+++ b/src/nginx.c
@@ -27,6 +27,7 @@
  **/
 
 #include "collectd.h"
+
 #include "common.h"
 #include "plugin.h"
 #include "configfile.h"
@@ -71,7 +72,7 @@ static size_t nginx_curl_callback (void *buf, size_t size, size_t nmemb,
     len = (sizeof (nginx_buffer) - 1) - nginx_buffer_len;
   }
 
-  if (len <= 0)
+  if (len == 0)
     return (len);
 
   memcpy (&nginx_buffer[nginx_buffer_len], buf, len);
@@ -195,7 +196,7 @@ static int init (void)
   return (0);
 } /* void init */
 
-static void submit (char *type, char *inst, long long value)
+static void submit (const char *type, const char *inst, long long value)
 {
   value_t values[1];
   value_list_t vl = VALUE_LIST_INIT;
@@ -224,8 +225,6 @@ static void submit (char *type, char *inst, long long value)
 
 static int nginx_read (void)
 {
-  int i;
-
   char *ptr;
   char *lines[16];
   int   lines_num = 0;
@@ -263,7 +262,7 @@ static int nginx_read (void)
    *  16630948 16630948 31070465
    * Reading: 6 Writing: 179 Waiting: 106
    */
-  for (i = 0; i < lines_num; i++)
+  for (int i = 0; i < lines_num; i++)
   {
     fields_num = strsplit (lines[i], fields,
        (sizeof (fields) / sizeof (fields[0])));