projects
/
musl
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
re-enable vdso clock_gettime on arm (32-bit) with workaround
[musl]
/
src
/
network
/
if_indextoname.c
diff --git
a/src/network/if_indextoname.c
b/src/network/if_indextoname.c
index
6ee7f13
..
3b368bf
100644
(file)
--- a/
src/network/if_indextoname.c
+++ b/
src/network/if_indextoname.c
@@
-3,6
+3,7
@@
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <string.h>
+#include <errno.h>
#include "syscall.h"
char *if_indextoname(unsigned index, char *name)
#include "syscall.h"
char *if_indextoname(unsigned index, char *name)
@@
-14,5
+15,9
@@
char *if_indextoname(unsigned index, char *name)
ifr.ifr_ifindex = index;
r = ioctl(fd, SIOCGIFNAME, &ifr);
__syscall(SYS_close, fd);
ifr.ifr_ifindex = index;
r = ioctl(fd, SIOCGIFNAME, &ifr);
__syscall(SYS_close, fd);
- return r < 0 ? 0 : strncpy(name, ifr.ifr_name, IF_NAMESIZE);
+ if (r < 0) {
+ if (errno == ENODEV) errno = ENXIO;
+ return 0;
+ }
+ return strncpy(name, ifr.ifr_name, IF_NAMESIZE);
}
}