Don't initialize static numeric variables to 0

[collectd.git] / src / vserver.c

diff --git a/src/vserver.c b/src/vserver.c
index a2ca0de..3c6d58c 100644 (file)
--- a/src/vserver.c
+++ b/src/vserver.c
@@ -42,7 +42,7 @@
 #error "No applicable input method."
 #endif
 
-static int pagesize = 0;
+static int pagesize;
 
 static int vserver_init(void) {
   /* XXX Should we check for getpagesize () in configure?
@@ -124,9 +124,7 @@ static int vserver_read(void) {
   errno = 0;
   proc = opendir(PROCDIR);
   if (proc == NULL) {
-    char errbuf[1024];
-    ERROR("vserver plugin: fopen (%s): %s", PROCDIR,
-          sstrerror(errno, errbuf, sizeof(errbuf)));
+    ERROR("vserver plugin: fopen (%s): %s", PROCDIR, STRERRNO);
     return -1;
   }
 
@@ -146,13 +144,11 @@ static int vserver_read(void) {
     errno = 0;
     dent = readdir(proc);
     if (dent == NULL) {
-      char errbuf[4096];
-
       if (errno == 0) /* end of directory */
         break;
 
       ERROR("vserver plugin: failed to read directory %s: %s", PROCDIR,
-            sstrerror(errno, errbuf, sizeof(errbuf)));
+            STRERRNO);
       closedir(proc);
       return -1;
     }
@@ -160,15 +156,13 @@ static int vserver_read(void) {
     if (dent->d_name[0] == '.')
       continue;
 
-    len = ssnprintf(file, sizeof(file), PROCDIR "/%s", dent->d_name);
+    len = snprintf(file, sizeof(file), PROCDIR "/%s", dent->d_name);
     if ((len < 0) || (len >= BUFSIZE))
       continue;
 
     status = stat(file, &statbuf);
     if (status != 0) {
-      char errbuf[4096];
-      WARNING("vserver plugin: stat (%s) failed: %s", file,
-              sstrerror(errno, errbuf, sizeof(errbuf)));
+      WARNING("vserver plugin: stat (%s) failed: %s", file, STRERRNO);
       continue;
     }
 
@@ -176,14 +170,12 @@ static int vserver_read(void) {
       continue;
 
     /* socket message accounting */
-    len = ssnprintf(file, sizeof(file), PROCDIR "/%s/cacct", dent->d_name);
+    len = snprintf(file, sizeof(file), PROCDIR "/%s/cacct", dent->d_name);
     if ((len < 0) || ((size_t)len >= sizeof(file)))
       continue;
 
     if (NULL == (fh = fopen(file, "r"))) {
-      char errbuf[1024];
-      ERROR("Cannot open '%s': %s", file,
-            sstrerror(errno, errbuf, sizeof(errbuf)));
+      ERROR("Cannot open '%s': %s", file, STRERRNO);
     }
 
     while ((fh != NULL) && (NULL != fgets(buffer, BUFSIZE, fh))) {
@@ -220,14 +212,12 @@ static int vserver_read(void) {
     }
 
     /* thread information and load */
-    len = ssnprintf(file, sizeof(file), PROCDIR "/%s/cvirt", dent->d_name);
+    len = snprintf(file, sizeof(file), PROCDIR "/%s/cvirt", dent->d_name);
     if ((len < 0) || ((size_t)len >= sizeof(file)))
       continue;
 
     if (NULL == (fh = fopen(file, "r"))) {
-      char errbuf[1024];
-      ERROR("Cannot open '%s': %s", file,
-            sstrerror(errno, errbuf, sizeof(errbuf)));
+      ERROR("Cannot open '%s': %s", file, STRERRNO);
     }
 
     while ((fh != NULL) && (NULL != fgets(buffer, BUFSIZE, fh))) {
@@ -266,14 +256,12 @@ static int vserver_read(void) {
     }
 
     /* processes and memory usage */
-    len = ssnprintf(file, sizeof(file), PROCDIR "/%s/limit", dent->d_name);
+    len = snprintf(file, sizeof(file), PROCDIR "/%s/limit", dent->d_name);
     if ((len < 0) || ((size_t)len >= sizeof(file)))
       continue;
 
     if (NULL == (fh = fopen(file, "r"))) {
-      char errbuf[1024];
-      ERROR("Cannot open '%s': %s", file,
-            sstrerror(errno, errbuf, sizeof(errbuf)));
+      ERROR("Cannot open '%s': %s", file, STRERRNO);
     }
 
     while ((fh != NULL) && (NULL != fgets(buffer, BUFSIZE, fh))) {