gcc-4.6 has a new warning, -Wunused-but-set-variable, which flags
no-op code.
CC libiptc/libip4tc.lo
In file included from libiptc/libip4tc.c:118:0:
libiptc/libiptc.c: In function "iptcc_chain_index_delete_chain":
libiptc/libiptc.c:611:32: warning: variable "index_ptr2" set but not used
libiptc/libiptc.c: In function "alloc_handle":
libiptc/libiptc.c:1282:9: warning: variable "len" set but not used
CC libiptc/libip6tc.lo
In file included from libiptc/libip6tc.c:113:0:
libiptc/libiptc.c: In function "iptcc_chain_index_delete_chain":
libiptc/libiptc.c:611:32: warning: variable "index_ptr2" set but not used
libiptc/libiptc.c: In function "alloc_handle":
libiptc/libiptc.c:1282:9: warning: variable "len" set but not used
CC xtables_multi-iptables-xml.o
iptables-xml.c: In function "do_rule_part":
iptables-xml.c:376:8: warning: variable "thisChain" set but not used
CC xtables_multi-ip6tables.o
ip6tables.c: In function "print_firewall":
ip6tables.c:552:10: warning: variable "flags" set but not used
Signed-off-by: Jan Engelhardt <jengelh@xxxxxxxxxx>
---
ip6tables.c | 2 --
iptables-xml.c | 3 ---
libiptc/libiptc.c | 7 ++-----
3 files changed, 2 insertions(+), 10 deletions(-)
diff --git a/ip6tables.c b/ip6tables.c
index a74238c..4df73b8 100644
--- a/ip6tables.c
+++ b/ip6tables.c
@@ -549,7 +549,6 @@ print_firewall(const struct ip6t_entry *fw,
{
const struct xtables_target *target = NULL;
const struct ip6t_entry_target *t;
- uint8_t flags;
char buf[BUFSIZ];
if (!ip6tc_is_chain(targname, handle))
@@ -559,7 +558,6 @@ print_firewall(const struct ip6t_entry *fw,
XTF_LOAD_MUST_SUCCEED);
t = ip6t_get_target((struct ip6t_entry *)fw);
- flags = fw->ipv6.flags;
if (format & FMT_LINENUMBERS)
printf(FMT("%-4u ", "%u "), num);
diff --git a/iptables-xml.c b/iptables-xml.c
index dc3cd4f..aa98f75 100644
--- a/iptables-xml.c
+++ b/iptables-xml.c
@@ -373,7 +373,6 @@ do_rule_part(char *leveltag1, char *leveltag2, int part, int argc,
{
int arg = 1; // ignore leading -A
char invert_next = 0;
- char *thisChain = NULL;
char *spacer = ""; // space when needed to assemble arguments
char *level1 = NULL;
char *level2 = NULL;
@@ -397,8 +396,6 @@ do_rule_part(char *leveltag1, char *leveltag2, int part, int argc,
} else printf("%s<%s ", (leveli ## LEVEL), (level ## LEVEL)); \
} while(0)
- thisChain = argv[arg++];
-
if (part == 1) { /* skip */
/* use argvattr to tell which arguments were quoted
to avoid comparing quoted arguments, like comments, to -j, */
diff --git a/libiptc/libiptc.c b/libiptc/libiptc.c
index d3b1c51..0b6d5e3 100644
--- a/libiptc/libiptc.c
+++ b/libiptc/libiptc.c
@@ -608,7 +608,7 @@ static int iptcc_chain_index_rebuild(struct xtc_handle *h)
*/
static int iptcc_chain_index_delete_chain(struct chain_head *c, struct xtc_handle *h)
{
- struct list_head *index_ptr, *index_ptr2, *next;
+ struct list_head *index_ptr, *next;
struct chain_head *c2;
unsigned int idx, idx2;
@@ -628,7 +628,7 @@ static int iptcc_chain_index_delete_chain(struct chain_head *c, struct xtc_handl
* is located in the same index bucket.
*/
c2 = list_entry(next, struct chain_head, list);
- index_ptr2 = iptcc_bsearch_chain_index(c2->name, &idx2, h);
+ iptcc_bsearch_chain_index(c2->name, &idx2, h);
if (idx != idx2) {
/* Rebuild needed */
return iptcc_chain_index_rebuild(h);
@@ -1279,11 +1279,8 @@ static int iptcc_compile_table(struct xtc_handle *h, STRUCT_REPLACE *repl)
static struct xtc_handle *
alloc_handle(const char *tablename, unsigned int size, unsigned int num_rules)
{
- size_t len;
struct xtc_handle *h;
- len = sizeof(STRUCT_TC_HANDLE) + size;
-
h = malloc(sizeof(STRUCT_TC_HANDLE));
if (!h) {
errno = ENOMEM;
--
1.7.3.4
--
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