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[lwip-devel] [PATCH] ip_addr.h: Add cast in IP_SET_TYPE() macro in order
From: |
Jacob Kroon |
Subject: |
[lwip-devel] [PATCH] ip_addr.h: Add cast in IP_SET_TYPE() macro in order to fix compiler warnings/errors |
Date: |
Tue, 1 Jan 2019 19:38:31 +0100 |
Fix building unit tests (contrib/ports/unix/check) on Debian 9, gcc 6.3.0.
Fixes:
<snip>/ip_addr.h:105:58: error: the comparison will always evaluate as ‘true’
for the address of ‘ip1’ will never be NULL [-Werror=address]
#define IP_SET_TYPE(ipaddr, iptype) do { if((ipaddr) != NULL) {
IP_SET_TYPE_VAL(*(ipaddr),iptype); }}while(0)
Signed-off-by: Jacob Kroon <address@hidden>
---
src/include/lwip/ip_addr.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/include/lwip/ip_addr.h b/src/include/lwip/ip_addr.h
index ee7a0c9d..aed7fbcf 100644
--- a/src/include/lwip/ip_addr.h
+++ b/src/include/lwip/ip_addr.h
@@ -102,7 +102,7 @@ extern const ip_addr_t ip_addr_any_type;
#define IP_IS_V6(ipaddr) (((ipaddr) != NULL) &&
IP_IS_V6_VAL(*(ipaddr)))
#define IP_SET_TYPE_VAL(ipaddr, iptype) do { (ipaddr).type = (iptype);
}while(0)
-#define IP_SET_TYPE(ipaddr, iptype) do { if((ipaddr) != NULL) {
IP_SET_TYPE_VAL(*(ipaddr), iptype); }}while(0)
+#define IP_SET_TYPE(ipaddr, iptype) do { if((void*)(ipaddr) != NULL) {
IP_SET_TYPE_VAL(*(ipaddr), iptype); }}while(0)
#define IP_GET_TYPE(ipaddr) ((ipaddr)->type)
#define IP_ADDR_RAW_SIZE(ipaddr) (IP_GET_TYPE(&ipaddr) == IPADDR_TYPE_V4
? sizeof(ip4_addr_t) : sizeof(ip6_addr_t))
--
2.11.0
- [lwip-devel] [PATCH] ip_addr.h: Add cast in IP_SET_TYPE() macro in order to fix compiler warnings/errors,
Jacob Kroon <=