mirror/lwip
1
0
Fork 0
mirror of https://github.com/lwip-tcpip/lwip.git synced 2025-01-27 12:35:26 +00:00
Code Issues Packages Projects Releases Wiki Activity

netif: Fix IPv6-only build

Browse Source 
Fix below build error if LWIP_IPV4 == 0.
cc -g -Wall -DLWIP_DEBUG -pedantic -Werror -Wparentheses -Wsequence-point -Wswitch-default -Wextra -Wundef -Wshadow -Wpointer-arith -Wcast-qual -Wc++-compat -Wwrite-strings -Wold-style-definition -Wcast-align -Wmissing-prototypes -Wredundant-decls -Wnested-externs -Wno-address -Wunreachable-code -Wuninitialized -Wlogical-op -I. -I../../.. -I../../../../lwip/src/include -I../../../ports/unix/port/include -I../../../../mbedtls/include -Wno-redundant-decls -DLWIP_HAVE_MBEDTLS=1 -c ../../../../lwip/src/core/netif.c
../../../../lwip/src/core/netif.c: In function ‘netif_add’:
../../../../lwip/src/core/netif.c:284:7: error: ‘ipaddr’ undeclared (first use in this function)
   if (ipaddr == NULL) {
       ^~~~~~
../../../../lwip/src/core/netif.c:284:7: note: each undeclared identifier is reported only once for each function it appears in
../../../../lwip/src/core/netif.c:285:14: error: implicit declaration of function ‘ip_2_ip4’ [-Werror=implicit-function-declaration]
     ipaddr = ip_2_ip4(IP4_ADDR_ANY);
              ^~~~~~~~
../../../../lwip/src/core/netif.c:285:5: error: nested extern declaration of ‘ip_2_ip4’ [-Werror=nested-externs]
     ipaddr = ip_2_ip4(IP4_ADDR_ANY);
     ^~~~~~
../../../../lwip/src/core/netif.c:285:23: error: ‘IP4_ADDR_ANY’ undeclared (first use in this function)
     ipaddr = ip_2_ip4(IP4_ADDR_ANY);
                       ^~~~~~~~~~~~
../../../../lwip/src/core/netif.c:287:7: error: ‘netmask’ undeclared (first use in this function)
   if (netmask == NULL) {
       ^~~~~~~
../../../../lwip/src/core/netif.c:290:7: error: ‘gw’ undeclared (first use in this function)
   if (gw == NULL) {
       ^~
cc1: all warnings being treated as errors
../../Common.allports.mk:94: recipe for target 'netif.o' failed
make: *** [netif.o] Error 1

Fixes: 5967380c2034 ("netif_add: avoid passing NULL pointers to subsequent functions")
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Dirk Ziegelmeier <dirk@ziegelmeier.net>
This commit is contained in:
Axel Lin 2017-05-05 16:02:44 +08:00 committed by Dirk Ziegelmeier
parent 749e078d36
commit 89d825f603
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/core/netif.c
View File

@ -281,6 +281,7 @@ netif_add(struct netif *netif,
LWIP_ASSERT("No init function given", init != NULL);
#if LWIP_IPV4
if (ipaddr == NULL) {
ipaddr = ip_2_ip4(IP4_ADDR_ANY);
}
@ -290,6 +291,7 @@ netif_add(struct netif *netif,
if (gw == NULL) {
gw = ip_2_ip4(IP4_ADDR_ANY);
}
#endif /* LWIP_IPV4 */
/* reset new interface configuration state */
#if LWIP_IPV4