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Fix explicit casts and types in espidf_socket.c (#1945)

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In the esp-idf platform, Xtensa GCC 8.4.0 reported incompatible pointer warnings when
building with the lwip component.

Berkeley (POSIX) sockets uses composition in combination with type punning to handle
many protocol families, including IPv4 & IPv6. The type punning just has to be made
explicit with pointer casts from `sockaddr_in` for IPv4 to the generic `sockaddr`.
This commit is contained in:
Patrick Cook 2023-02-08 17:34:26 -08:00 committed by GitHub
parent 3d44f11d19
commit 89c11c5361
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 4 deletions
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8
core/shared/platform/esp-idf/espidf_socket.c
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@ -77,7 +77,7 @@ os_socket_bind(bh_socket_t socket, const char *host, int *port)
} }
socklen = sizeof(addr); socklen = sizeof(addr);
if (getsockname(socket, (void *)&addr, &socklen) == -1) { if (getsockname(socket, (struct sockaddr *)&addr, &socklen) == -1) {
goto fail; goto fail;
} }
@ -120,7 +120,7 @@ os_socket_accept(bh_socket_t server_sock, bh_socket_t *sock, void *addr,
unsigned int *addrlen) unsigned int *addrlen)
{ {
struct sockaddr addr_tmp; struct sockaddr addr_tmp;
unsigned int len = sizeof(struct sockaddr); socklen_t len = sizeof(struct sockaddr);
*sock = accept(server_sock, (struct sockaddr *)&addr_tmp, &len); *sock = accept(server_sock, (struct sockaddr *)&addr_tmp, &len);
@ -205,7 +205,7 @@ os_socket_addr_remote(bh_socket_t socket, bh_sockaddr_t *sockaddr)
struct sockaddr_in addr; struct sockaddr_in addr;
socklen_t addr_len = sizeof(addr); socklen_t addr_len = sizeof(addr);
if (getpeername(socket, &addr, &addr_len) == -1) { if (getpeername(socket, (struct sockaddr *)&addr, &addr_len) == -1) {
return BHT_ERROR; return BHT_ERROR;
} }
@ -219,7 +219,7 @@ os_socket_addr_local(bh_socket_t socket, bh_sockaddr_t *sockaddr)
struct sockaddr_in addr; struct sockaddr_in addr;
socklen_t addr_len = sizeof(addr); socklen_t addr_len = sizeof(addr);
if (getsockname(socket, &addr, &addr_len) == -1) { if (getsockname(socket, (struct sockaddr *)&addr, &addr_len) == -1) {
return BHT_ERROR; return BHT_ERROR;
} }