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repair, passt-repair: Build and warning fixes for musl

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Checked against musl 1.2.5.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Stefano Brivio 2025-02-15 06:13:13 +01:00
parent 01b6a164d9
commit 3e903bbb1f
2 changed files with 12 additions and 5 deletions
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4
passt-repair.c
View File

@ -63,6 +63,7 @@ int main(int argc, char **argv)
struct cmsghdr *cmsg;
struct msghdr msg;
struct iovec iov;
size_t cmsg_len;
int op;
prctl(PR_SET_DUMPABLE, 0);
@ -138,8 +139,9 @@ loop:
}
}
if (!n) {
cmsg_len = cmsg->cmsg_len; /* socklen_t is 'unsigned' on musl */
fprintf(stderr, "Invalid ancillary data length %zu from peer\n",
cmsg->cmsg_len);
cmsg_len);
_exit(1);
}

13
repair.c
View File

@ -13,6 +13,7 @@
*/
#include <errno.h>
#include <sys/socket.h>
#include <sys/uio.h>
#include "util.h"
@ -145,9 +146,9 @@ void repair_handler(struct ctx *c, uint32_t events)
*/
int repair_flush(struct ctx *c)
{
struct iovec iov = { &repair_cmd, sizeof(repair_cmd) };
char buf[CMSG_SPACE(sizeof(int) * SCM_MAX_FD)]
__attribute__ ((aligned(__alignof__(struct cmsghdr))));
__attribute__ ((aligned(__alignof__(struct cmsghdr)))) = { 0 };
struct iovec iov = { &repair_cmd, sizeof(repair_cmd) };
struct cmsghdr *cmsg;
struct msghdr msg;
int8_t reply;
@ -155,8 +156,12 @@ int repair_flush(struct ctx *c)
if (!repair_nfds)
return 0;
msg = (struct msghdr){ NULL, 0, &iov, 1,
buf, CMSG_SPACE(sizeof(int) * repair_nfds), 0 };
msg = (struct msghdr){ .msg_name = NULL, .msg_namelen = 0,
.msg_iov = &iov, .msg_iovlen = 1,
.msg_control = buf,
.msg_controllen = CMSG_SPACE(sizeof(int) *
repair_nfds),
.msg_flags = 0 };
cmsg = CMSG_FIRSTHDR(&msg);
cmsg->cmsg_level = SOL_SOCKET;