From 6f69e5d4b0c08453dcec16b9c03829dc530809f3 Mon Sep 17 00:00:00 2001 From: Laurent Bercot Date: Thu, 1 Jan 2026 13:54:20 +0000 Subject: Prepare for 0.0.2.2; save/restore errno in safe wrappers --- src/libwpactrl/wpactrl_fd_recv.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'src/libwpactrl/wpactrl_fd_recv.c') diff --git a/src/libwpactrl/wpactrl_fd_recv.c b/src/libwpactrl/wpactrl_fd_recv.c index 9640b6c..f4134a3 100644 --- a/src/libwpactrl/wpactrl_fd_recv.c +++ b/src/libwpactrl/wpactrl_fd_recv.c @@ -2,9 +2,11 @@ #include #include + #include #include #include + #include #include "wpactrl-internal.h" @@ -34,8 +36,9 @@ ssize_t wpactrl_fd_recv (int fd, char *s, size_t len) .msg_control = 0, .msg_controllen = 0 } ; + int e = errno ; ssize_t r ; do r = recvmsg(fd, &msghdr, bsd_braindeadness_workaround_flags) ; while (r == -1 && errno == EINTR) ; - return r > 0 && msghdr.msg_flags & MSG_TRUNC ? (errno = EMSGSIZE, -1) : r ; + return r > 0 && msghdr.msg_flags & MSG_TRUNC ? (errno = EMSGSIZE, -1) : (errno = e, r) ; } -- cgit v1.3.1