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qemu-sockets: Fix compiler warning (regression for MinGW)

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setsockopt needs a type cast for MinGW. That type cast is missing in
a recent commit which results in a compiler warning.

Like for other socket related functions which have the same problem,
we add a 'qemu_setsockopt' macro which provides that type cast where
needed and use the new macro to avoid the warning.

A 'qemu_getsockopt' is also added and can be used for future
modifications.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
This commit is contained in:
Stefan Weil 2012-09-28 19:07:39 +02:00 • committed by Stefan Hajnoczi
parent d69eba2426
commit 58455eb9f2
2 changed files with 10 additions and 2 deletions
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10
qemu-common.h
View file

@ -223,11 +223,19 @@ int qemu_pipe(int pipefd[2]);
#endif
#ifdef _WIN32
/* MinGW needs a type cast for the 'buf' argument. */
/* MinGW needs type casts for the 'buf' and 'optval' arguments. */
#define qemu_getsockopt(sockfd, level, optname, optval, optlen) \
getsockopt(sockfd, level, optname, (void *)optval, optlen)
#define qemu_setsockopt(sockfd, level, optname, optval, optlen) \
setsockopt(sockfd, level, optname, (const void *)optval, optlen)
#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags)
#define qemu_sendto(sockfd, buf, len, flags, destaddr, addrlen) \
sendto(sockfd, (const void *)buf, len, flags, destaddr, addrlen)
#else
#define qemu_getsockopt(sockfd, level, optname, optval, optlen) \
getsockopt(sockfd, level, optname, optval, optlen)
#define qemu_setsockopt(sockfd, level, optname, optval, optlen) \
setsockopt(sockfd, level, optname, optval, optlen)
#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, buf, len, flags)
#define qemu_sendto(sockfd, buf, len, flags, destaddr, addrlen) \
sendto(sockfd, buf, len, flags, destaddr, addrlen)