X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Futils_dns.c;h=2a1e2e51d153b925b2aa6ba4c63b17ceb03e3db7;hb=2761915bed8c6caea41018be3e675aa712cc0b0a;hp=2c7a59d343fb938ea7017c162317791830dbf646;hpb=17b60946497048b34b417aa0497607f3aa6a34f3;p=collectd.git

diff --git a/src/utils_dns.c b/src/utils_dns.c
index 2c7a59d3..2a1e2e51 100644
--- a/src/utils_dns.c
+++ b/src/utils_dns.c
@@ -37,6 +37,7 @@
 #define _BSD_SOURCE
 
 #include "collectd.h"
+
 #include "plugin.h"
 #include "common.h"
 
@@ -194,9 +195,7 @@ static int cmp_in6_addr (const struct in6_addr *a,
 
 static inline int ignore_list_match (const struct in6_addr *addr)
 {
-    ip_list_t *ptr;
-
-    for (ptr = IgnoreList; ptr != NULL; ptr = ptr->next)
+    for (ip_list_t *ptr = IgnoreList; ptr != NULL; ptr = ptr->next)
 	if (cmp_in6_addr (addr, &ptr->addr) == 0)
 	    return (1);
     return (0);
@@ -209,7 +208,7 @@ static void ignore_list_add (const struct in6_addr *addr)
     if (ignore_list_match (addr) != 0)
 	return;
 
-    new = malloc (sizeof (ip_list_t));
+    new = malloc (sizeof (*new));
     if (new == NULL)
     {
 	perror ("malloc");
@@ -225,7 +224,6 @@ static void ignore_list_add (const struct in6_addr *addr)
 void ignore_list_add_name (const char *name)
 {
     struct addrinfo *ai_list;
-    struct addrinfo *ai_ptr;
     struct in6_addr  addr;
     int status;
 
@@ -233,7 +231,7 @@ void ignore_list_add_name (const char *name)
     if (status != 0)
 	return;
 
-    for (ai_ptr = ai_list; ai_ptr != NULL; ai_ptr = ai_ptr->ai_next)
+    for (struct addrinfo *ai_ptr = ai_list; ai_ptr != NULL; ai_ptr = ai_ptr->ai_next)
     {
 	if (ai_ptr->ai_family == AF_INET)
 	{
@@ -283,8 +281,7 @@ void dnstop_set_callback (void (*cb) (const rfc1035_header_t *))
 
 #define RFC1035_MAXLABELSZ 63
 static int
-rfc1035NameUnpack(const char *buf, size_t sz, off_t * off, char *name, size_t ns
-)
+rfc1035NameUnpack(const char *buf, size_t sz, off_t * off, char *name, size_t ns)
 {
     off_t no = 0;
     unsigned char c;
@@ -292,7 +289,7 @@ rfc1035NameUnpack(const char *buf, size_t sz, off_t * off, char *name, size_t ns
     static int loop_detect = 0;
     if (loop_detect > 2)
 	return 4;		/* compression loop */
-    if (ns <= 0)
+    if (ns == 0)
 	return 4;		/* probably compression loop */
     do {
 	if ((*off) >= ((off_t) sz))
@@ -324,7 +321,6 @@ rfc1035NameUnpack(const char *buf, size_t sz, off_t * off, char *name, size_t ns
 	     * "(The 10 and 01 combinations are reserved for future use.)"
 	     */
 	    return 3;		/* reserved label/compression flags */
-	    break;
 	} else {
 	    (*off)++;
 	    len = (size_t) c;
@@ -830,9 +826,7 @@ const char *qtype_str(int t)
 	    default:
 		    ssnprintf (buf, sizeof (buf), "#%i", t);
 		    return (buf);
-    }; /* switch (t) */
-    /* NOTREACHED */
-    return (NULL);
+    } /* switch (t) */
 }
 
 const char *opcode_str (int o)
@@ -841,24 +835,18 @@ const char *opcode_str (int o)
     switch (o) {
     case 0:
 	return "Query";
-	break;
     case 1:
 	return "Iquery";
-	break;
     case 2:
 	return "Status";
-	break;
     case 4:
 	return "Notify";
-	break;
     case 5:
 	return "Update";
-	break;
     default:
 	ssnprintf(buf, sizeof (buf), "Opcode%d", o);
 	return buf;
     }
-    /* NOTREACHED */
 }
 
 const char *rcode_str (int rcode)
@@ -902,8 +890,6 @@ const char *rcode_str (int rcode)
 			ssnprintf (buf, sizeof (buf), "RCode%i", rcode);
 			return (buf);
 	}
-	/* Never reached */
-	return (NULL);
 } /* const char *rcode_str (int rcode) */
 
 #if 0