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authorGravatar Denys Vlasenko <vda.linux@googlemail.com>2020-12-29 17:33:22 +0100
committerGravatar Denys Vlasenko <vda.linux@googlemail.com>2020-12-29 17:34:34 +0100
commitec9a5e608357acdc6e793d63bddf84030aa4f024 (patch)
treea39565986e1269adc943840fdb06d5e3cab3cb25
parentfecb1693ccef88710fbb2de86d0f92bc2c76153f (diff)
downloadbusybox-ec9a5e608357acdc6e793d63bddf84030aa4f024.tar.gz
busybox-ec9a5e608357acdc6e793d63bddf84030aa4f024.tar.bz2
libiproute: band-aid for old uclibc missing IFA_FLAGS
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--networking/libiproute/ipaddress.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/networking/libiproute/ipaddress.c b/networking/libiproute/ipaddress.c
index 91fabb1fd..dfd84c000 100644
--- a/networking/libiproute/ipaddress.c
+++ b/networking/libiproute/ipaddress.c
@@ -21,10 +21,15 @@
#define IFF_LOWER_UP 0x10000 /* driver signals L1 up */
#endif
+/* for old uclibc */
#ifndef IFA_F_NOPREFIXROUTE
# define IFA_FLAGS 8
-/* ifa_flags */
# define IFA_F_NOPREFIXROUTE 0x200
+enum { /* can't do this with preporcessor, IFA_MAX is an (enum - 1), not preprocessor constant */
+ REAL_IFA_MAX = (IFA_MAX >= IFA_FLAGS) ? IFA_MAX : IFA_FLAGS,
+};
+# undef IFA_MAX
+# define IFA_MAX REAL_IFA_MAX
#endif
struct filter_t {