fix one typo spotted by Debian's lintian tool

[collectd.git] / src / collectdctl.c

diff --git a/src/collectdctl.c b/src/collectdctl.c
index d019d27..8c88479 100644 (file)
--- a/src/collectdctl.c
+++ b/src/collectdctl.c
@@ -67,11 +67,20 @@
 
 #include "libcollectdclient/collectd/client.h"
 
+#ifndef PREFIX
+# define PREFIX "/opt/" PACKAGE_NAME
+#endif
+
+#ifndef LOCALSTATEDIR
+# define LOCALSTATEDIR PREFIX "/var"
+#endif
+
 #define DEFAULT_SOCK LOCALSTATEDIR"/run/"PACKAGE_NAME"-unixsock"
 
 extern char *optarg;
 extern int   optind;
 
+__attribute__((noreturn))
 static void exit_usage (const char *name, int status) {
   fprintf ((status == 0) ? stdout : stderr,
       "Usage: %s [options] <command> [cmd options]\n\n"
@@ -120,7 +129,7 @@ static int count_chars (const char *str, char chr) {
   return count;
 } /* count_chars */
 
-static int array_grow (void **array, int *array_len, size_t elem_size)
+static int array_grow (void **array, size_t *array_len, size_t elem_size)
 {
   void *tmp;
 
@@ -184,7 +193,6 @@ static int getval (lcc_connection_t *c, int argc, char **argv)
   char   **ret_values_names = NULL;
 
   int status;
-  size_t i;
 
   assert (strcasecmp (argv[0], "getval") == 0);
 
@@ -193,7 +201,6 @@ static int getval (lcc_connection_t *c, int argc, char **argv)
     return (-1);
   }
 
-  memset (&ident, 0, sizeof (ident));
   status = parse_identifier (c, argv[1], &ident);
   if (status != 0)
     return (status);
@@ -203,7 +210,7 @@ static int getval (lcc_connection_t *c, int argc, char **argv)
     if (ret_values != NULL) \
       free (ret_values); \
     if (ret_values_names != NULL) { \
-      for (i = 0; i < ret_values_num; ++i) \
+      for (size_t i = 0; i < ret_values_num; ++i) \
         free (ret_values_names[i]); \
       free (ret_values_names); \
     } \
@@ -218,7 +225,7 @@ static int getval (lcc_connection_t *c, int argc, char **argv)
     BAIL_OUT (-1);
   }
 
-  for (i = 0; i < ret_values_num; ++i)
+  for (size_t i = 0; i < ret_values_num; ++i)
     printf ("%s=%e\n", ret_values_names[i], ret_values[i]);
   BAIL_OUT (0);
 #undef BAIL_OUT
@@ -229,13 +236,12 @@ static int flush (lcc_connection_t *c, int argc, char **argv)
   int timeout = -1;
 
   lcc_identifier_t *identifiers = NULL;
-  int identifiers_num = 0;
+  size_t identifiers_num = 0;
 
   char **plugins = NULL;
-  int plugins_num = 0;
+  size_t plugins_num = 0;
 
   int status;
-  int i;
 
   assert (strcasecmp (argv[0], "flush") == 0);
 
@@ -250,7 +256,7 @@ static int flush (lcc_connection_t *c, int argc, char **argv)
     return (s); \
   } while (0)
 
-  for (i = 1; i < argc; ++i) {
+  for (int i = 1; i < argc; ++i) {
     char *key, *value;
 
     key   = argv[i];
@@ -314,7 +320,7 @@ static int flush (lcc_connection_t *c, int argc, char **argv)
     plugins[0] = NULL;
   }
 
-  for (i = 0; i < plugins_num; ++i) {
+  for (size_t i = 0; i < plugins_num; ++i) {
     if (identifiers_num == 0) {
       status = lcc_flush (c, plugins[i], NULL, timeout);
       if (status != 0)
@@ -322,9 +328,7 @@ static int flush (lcc_connection_t *c, int argc, char **argv)
             (plugins[i] == NULL) ? "(all)" : plugins[i], lcc_strerror (c));
     }
     else {
-      int j;
-
-      for (j = 0; j < identifiers_num; ++j) {
+      for (size_t j = 0; j < identifiers_num; ++j) {
         status = lcc_flush (c, plugins[i], identifiers + j, timeout);
         if (status != 0) {
           char id[1024];
@@ -349,7 +353,6 @@ static int listval (lcc_connection_t *c, int argc, char **argv)
   size_t            ret_ident_num = 0;
 
   int status;
-  size_t i;
 
   assert (strcasecmp (argv[0], "listval") == 0);
 
@@ -372,7 +375,7 @@ static int listval (lcc_connection_t *c, int argc, char **argv)
     BAIL_OUT (status);
   }
 
-  for (i = 0; i < ret_ident_num; ++i) {
+  for (size_t i = 0; i < ret_ident_num; ++i) {
     char id[1024];
 
     status = lcc_identifier_to_string (c, id, sizeof (id), ret_ident + i);
@@ -398,7 +401,6 @@ static int putval (lcc_connection_t *c, int argc, char **argv)
   size_t  values_len = 0;
 
   int status;
-  int i;
 
   assert (strcasecmp (argv[0], "putval") == 0);
 
@@ -415,7 +417,7 @@ static int putval (lcc_connection_t *c, int argc, char **argv)
   if (status != 0)
     return (status);
 
-  for (i = 2; i < argc; ++i) {
+  for (int i = 2; i < argc; ++i) {
     char *tmp;
 
     tmp = strchr (argv[i], (int)'=');
@@ -482,7 +484,7 @@ static int putval (lcc_connection_t *c, int argc, char **argv)
 
       values_len = 0;
       value = tmp;
-      while (value != 0) {
+      while (value != NULL) {
         char *dot, *endptr;
 
         tmp = strchr (value, (int)':');
@@ -507,7 +509,7 @@ static int putval (lcc_connection_t *c, int argc, char **argv)
           values_types[values_len] = LCC_TYPE_GAUGE;
         }
         else { /* integer */
-          values[values_len].counter = strtol (value, &endptr, 0);
+          values[values_len].counter = (counter_t) strtoull (value, &endptr, 0);
           values_types[values_len] = LCC_TYPE_COUNTER;
         }
         ++values_len;
@@ -551,21 +553,20 @@ int main (int argc, char **argv) {
   int status;
 
   while (42) {
-    int n;
+    int opt;
 
-    n = getopt (argc, argv, "s:h");
+    opt = getopt (argc, argv, "s:h");
 
-    if (n == -1)
+    if (opt == -1)
       break;
 
-    switch (n) {
+    switch (opt) {
       case 's':
         snprintf (address, sizeof (address), "unix:%s", optarg);
         address[sizeof (address) - 1] = '\0';
         break;
       case 'h':
         exit_usage (argv[0], 0);
-        break;
       default:
         exit_usage (argv[0], 1);
     }