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Unified Diff: fusl/src/network/netlink.c

Issue 1714623002: [fusl] clang-format fusl (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: headers too Created 4 years, 10 months ago
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Index: fusl/src/network/netlink.c
diff --git a/fusl/src/network/netlink.c b/fusl/src/network/netlink.c
index 94dba7f5c9e40d47b92f35b67790ee188221838f..7225136c4b4504569d954fc54eb70b65990a5f86 100644
--- a/fusl/src/network/netlink.c
+++ b/fusl/src/network/netlink.c
@@ -4,49 +4,61 @@
#include <sys/socket.h>
#include "netlink.h"
-static int __netlink_enumerate(int fd, unsigned int seq, int type, int af,
- int (*cb)(void *ctx, struct nlmsghdr *h), void *ctx)
-{
- struct nlmsghdr *h;
- union {
- uint8_t buf[8192];
- struct {
- struct nlmsghdr nlh;
- struct rtgenmsg g;
- } req;
- struct nlmsghdr reply;
- } u;
- int r, ret;
+static int __netlink_enumerate(int fd,
+ unsigned int seq,
+ int type,
+ int af,
+ int (*cb)(void* ctx, struct nlmsghdr* h),
+ void* ctx) {
+ struct nlmsghdr* h;
+ union {
+ uint8_t buf[8192];
+ struct {
+ struct nlmsghdr nlh;
+ struct rtgenmsg g;
+ } req;
+ struct nlmsghdr reply;
+ } u;
+ int r, ret;
- memset(&u.req, 0, sizeof(u.req));
- u.req.nlh.nlmsg_len = sizeof(u.req);
- u.req.nlh.nlmsg_type = type;
- u.req.nlh.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST;
- u.req.nlh.nlmsg_seq = seq;
- u.req.g.rtgen_family = af;
- r = send(fd, &u.req, sizeof(u.req), 0);
- if (r < 0) return r;
+ memset(&u.req, 0, sizeof(u.req));
+ u.req.nlh.nlmsg_len = sizeof(u.req);
+ u.req.nlh.nlmsg_type = type;
+ u.req.nlh.nlmsg_flags = NLM_F_DUMP | NLM_F_REQUEST;
+ u.req.nlh.nlmsg_seq = seq;
+ u.req.g.rtgen_family = af;
+ r = send(fd, &u.req, sizeof(u.req), 0);
+ if (r < 0)
+ return r;
- while (1) {
- r = recv(fd, u.buf, sizeof(u.buf), MSG_DONTWAIT);
- if (r <= 0) return -1;
- for (h = &u.reply; NLMSG_OK(h, (void*)&u.buf[r]); h = NLMSG_NEXT(h)) {
- if (h->nlmsg_type == NLMSG_DONE) return 0;
- if (h->nlmsg_type == NLMSG_ERROR) return -1;
- ret = cb(ctx, h);
- if (ret) return ret;
- }
- }
+ while (1) {
+ r = recv(fd, u.buf, sizeof(u.buf), MSG_DONTWAIT);
+ if (r <= 0)
+ return -1;
+ for (h = &u.reply; NLMSG_OK(h, (void*)&u.buf[r]); h = NLMSG_NEXT(h)) {
+ if (h->nlmsg_type == NLMSG_DONE)
+ return 0;
+ if (h->nlmsg_type == NLMSG_ERROR)
+ return -1;
+ ret = cb(ctx, h);
+ if (ret)
+ return ret;
+ }
+ }
}
-int __rtnetlink_enumerate(int link_af, int addr_af, int (*cb)(void *ctx, struct nlmsghdr *h), void *ctx)
-{
- int fd, r;
+int __rtnetlink_enumerate(int link_af,
+ int addr_af,
+ int (*cb)(void* ctx, struct nlmsghdr* h),
+ void* ctx) {
+ int fd, r;
- fd = socket(PF_NETLINK, SOCK_RAW|SOCK_CLOEXEC, NETLINK_ROUTE);
- if (fd < 0) return -1;
- r = __netlink_enumerate(fd, 1, RTM_GETLINK, link_af, cb, ctx);
- if (!r) r = __netlink_enumerate(fd, 2, RTM_GETADDR, addr_af, cb, ctx);
- __syscall(SYS_close,fd);
- return r;
+ fd = socket(PF_NETLINK, SOCK_RAW | SOCK_CLOEXEC, NETLINK_ROUTE);
+ if (fd < 0)
+ return -1;
+ r = __netlink_enumerate(fd, 1, RTM_GETLINK, link_af, cb, ctx);
+ if (!r)
+ r = __netlink_enumerate(fd, 2, RTM_GETADDR, addr_af, cb, ctx);
+ __syscall(SYS_close, fd);
+ return r;
}

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