elf.h: add ELFCOMPRESS_ZSTD

[musl] / src / network / if_nametoindex.c

diff --git a/src/network/if_nametoindex.c b/src/network/if_nametoindex.c
index 419931f..331413c 100644 (file)
--- a/src/network/if_nametoindex.c
+++ b/src/network/if_nametoindex.c
@@ -10,9 +10,9 @@ unsigned if_nametoindex(const char *name)
        struct ifreq ifr;
        int fd, r;
 
-       if ((fd = socket(AF_UNIX, SOCK_DGRAM, 0)) < 0) return -1;
+       if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0) return 0;
        strncpy(ifr.ifr_name, name, sizeof ifr.ifr_name);
        r = ioctl(fd, SIOCGIFINDEX, &ifr);
        __syscall(SYS_close, fd);
-       return r < 0 ? r : ifr.ifr_ifindex;
+       return r < 0 ? 0 : ifr.ifr_ifindex;
 }