iproute2: Add patches

packages/iproute2/IN6_IS_ADDR_UNSPECIFIED.patch

@@ -0,0 +1,13 @@
+--- iproute2-5.15.0/lib/utils.c.orig
++++ iproute2-5.15.0/lib/utils.c
+@@ -513,6 +513,10 @@
+ 	return 1;
+ }
+ 
++#undef IN6_IS_ADDR_UNSPECIFIED
++#define IN6_IS_ADDR_UNSPECIFIED(a) \
++	(a[0] == 0 && a[1] == 0 && a[2] == 0 && a[3] == 0)
++
+ static void set_address_type(inet_prefix *addr)
+ {
+ 	switch (addr->family) {

packages/iproute2/in_addr_t.patch

@@ -0,0 +1,11 @@
+--- iproute2-5.15.0/include/uapi/linux/in6.h.orig
++++ iproute2-5.15.0/include/uapi/linux/in6.h
+@@ -25,6 +25,8 @@
+ #include <linux/types.h>
+ #include <linux/libc-compat.h>
+ 
++typedef uint32_t in_addr_t;
++
+ /*
+  *	IPv6 address structure
+  */

packages/iproute2/rindex.patch

@@ -0,0 +1,31 @@
+--- iproute2-5.15.0/tc/f_flower.c.orig
++++ iproute2-5.15.0/tc/f_flower.c
+@@ -304,7 +304,7 @@
+ 	char *slash, *mask = NULL;
+ 	size_t slen, slen_mask = 0;
+ 
+-	slash = index(str, '/');
++	slash = strchr(str, '/');
+ 	if (slash) {
+ 		*slash = 0;
+ 		mask = slash + 1;
+@@ -1087,7 +1087,7 @@
+ 			if (mask_len + strlen(token) > XATTR_SIZE_MAX)
+ 				return -1;
+ 
+-			data_len = strlen(rindex(token, ':'));
++			data_len = strlen(strrchr(token, ':'));
+ 			sprintf(&mask[mask_len], "ffff:ff:");
+ 			mask_len += 8;
+ 			memset(&mask[mask_len], 'f', data_len - 1);
+--- iproute2-5.15.0/tc/m_ct.c.orig
++++ iproute2-5.15.0/tc/m_ct.c
+@@ -163,7 +163,7 @@
+ 	char *slash, *mask = NULL;
+ 	size_t slen, slen_mask = 0;
+ 
+-	slash = index(str, '/');
++	slash = strchr(str, '/');
+ 	if (slash) {
+ 		*slash = 0;
+ 		mask = slash+1;

packages/iproute2/sethostent.patch

@@ -0,0 +1,28 @@
+--- iproute2-5.15.0/lib/utils.c.orig
++++ iproute2-5.15.0/lib/utils.c
+@@ -1047,6 +1047,11 @@
+ #define NHASH 257
+ static struct namerec *nht[NHASH];
+ 
++#if defined __ANDROID__ && __ANDROID_API__ < 28
++#undef sethostent
++#define sethostent(i) ((void)0)
++#endif
++
+ static const char *resolve_address(const void *addr, int len, int af)
+ {
+ 	struct namerec *n;
+--- iproute2-5.15.0/misc/ss.c.orig
++++ iproute2-5.15.0/misc/ss.c
+@@ -2029,6 +2029,11 @@
+ 	return cnt;
+ }
+ 
++#if defined __ANDROID__ && __ANDROID_API__ < 28
++#undef sethostent
++#define sethostent(i) ((void)0)
++#endif
++
+ static int get_dns_host(struct aafilter *a, const char *addr, int fam)
+ {
+ 	static int notfirst;

packages/iproute2/strdupa.patch

@@ -0,0 +1,24 @@
+--- iproute2-5.15.0/ip/iplink_bond.c.orig
++++ iproute2-5.15.0/ip/iplink_bond.c
+@@ -171,6 +171,9 @@
+ 	print_explain(stderr);
+ }
+ 
++#undef strdupa
++#define strdupa(s) strcpy(alloca(strlen(s) + 1), s)
++
+ static int bond_parse_opt(struct link_util *lu, int argc, char **argv,
+ 			  struct nlmsghdr *n)
+ {
+--- iproute2-5.15.0/lib/color.c.orig
++++ iproute2-5.15.0/lib/color.c
+@@ -93,6 +93,9 @@
+ 	return false;
+ }
+ 
++#undef strdupa
++#define strdupa(s) strcpy(alloca(strlen(s) + 1), s)
++
+ bool matches_color(const char *arg, int *val)
+ {
+ 	char *dup, *p;