[PATCH 1/9] libiptc: resolve compile failure

[Jan Engelhardt <jengelh@medozas.de>]

  CC     libip4tc.lo
In file included from libip4tc.c:118:0:
libiptc.c:70:8: error: redefinition of "struct xt_error_target"
../include/linux/netfilter/x_tables.h:69:8: note: originally defined here

Remove libiptc's duplicate definition and substitute names.

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
---
 libiptc/libiptc.c |   34 ++++++++++++++--------------------
 1 files changed, 14 insertions(+), 20 deletions(-)

diff --git a/libiptc/libiptc.c b/libiptc/libiptc.c
index 42d9784..2214077 100644
--- a/libiptc/libiptc.c
+++ b/libiptc/libiptc.c
@@ -67,12 +67,6 @@ static const char *hooknames[] = {
 };
 
 /* Convenience structures */
-struct ipt_error_target
-{
-	STRUCT_ENTRY_TARGET t;
-	char error[TABLE_MAXNAMELEN];
-};
-
 struct chain_head;
 struct rule_head;
 
@@ -1092,10 +1086,10 @@ static int parse_table(struct xtc_handle *h)
 /* Convenience structures */
 struct iptcb_chain_start{
 	STRUCT_ENTRY e;
-	struct ipt_error_target name;
+	struct xt_error_target name;
 };
 #define IPTCB_CHAIN_START_SIZE	(sizeof(STRUCT_ENTRY) +			\
-				 ALIGN(sizeof(struct ipt_error_target)))
+				 ALIGN(sizeof(struct xt_error_target)))
 
 struct iptcb_chain_foot {
 	STRUCT_ENTRY e;
@@ -1106,10 +1100,10 @@ struct iptcb_chain_foot {
 
 struct iptcb_chain_error {
 	STRUCT_ENTRY entry;
-	struct ipt_error_target target;
+	struct xt_error_target target;
 };
 #define IPTCB_CHAIN_ERROR_SIZE	(sizeof(STRUCT_ENTRY) +			\
-				 ALIGN(sizeof(struct ipt_error_target)))
+				 ALIGN(sizeof(struct xt_error_target)))
 
 
 
@@ -1152,10 +1146,10 @@ static int iptcc_compile_chain(struct xtc_handle *h, STRUCT_REPLACE *repl, struc
 		head = (void *)repl->entries + c->head_offset;
 		head->e.target_offset = sizeof(STRUCT_ENTRY);
 		head->e.next_offset = IPTCB_CHAIN_START_SIZE;
-		strcpy(head->name.t.u.user.name, ERROR_TARGET);
-		head->name.t.u.target_size =
-				ALIGN(sizeof(struct ipt_error_target));
-		strcpy(head->name.error, c->name);
+		strcpy(head->name.target.u.user.name, ERROR_TARGET);
+		head->name.target.u.target_size =
+				ALIGN(sizeof(struct xt_error_target));
+		strcpy(head->name.errorname, c->name);
 	} else {
 		repl->hook_entry[c->hooknum-1] = c->head_offset;
 		repl->underflow[c->hooknum-1] = c->foot_offset;
@@ -1198,7 +1192,7 @@ static int iptcc_compile_chain_offsets(struct xtc_handle *h, struct chain_head *
 	if (!iptcc_is_builtin(c))  {
 		/* Chain has header */
 		*offset += sizeof(STRUCT_ENTRY)
-			     + ALIGN(sizeof(struct ipt_error_target));
+			     + ALIGN(sizeof(struct xt_error_target));
 		(*num)++;
 	}
 
@@ -1238,7 +1232,7 @@ static int iptcc_compile_table_prep(struct xtc_handle *h, unsigned int *size)
 	/* Append one error rule at end of chain */
 	num++;
 	offset += sizeof(STRUCT_ENTRY)
-		  + ALIGN(sizeof(struct ipt_error_target));
+		  + ALIGN(sizeof(struct xt_error_target));
 
 	/* ruleset size is now in offset */
 	*size = offset;
@@ -1261,10 +1255,10 @@ static int iptcc_compile_table(struct xtc_handle *h, STRUCT_REPLACE *repl)
 	error = (void *)repl->entries + repl->size - IPTCB_CHAIN_ERROR_SIZE;
 	error->entry.target_offset = sizeof(STRUCT_ENTRY);
 	error->entry.next_offset = IPTCB_CHAIN_ERROR_SIZE;
-	error->target.t.u.user.target_size =
-		ALIGN(sizeof(struct ipt_error_target));
-	strcpy((char *)&error->target.t.u.user.name, ERROR_TARGET);
-	strcpy((char *)&error->target.error, "ERROR");
+	error->target.target.u.user.target_size =
+		ALIGN(sizeof(struct xt_error_target));
+	strcpy((char *)&error->target.target.u.user.name, ERROR_TARGET);
+	strcpy((char *)&error->target.errorname, "ERROR");
 
 	return 1;
 }
-- 
1.7.3.4