diff options
Diffstat (limited to 'ext')
| -rw-r--r-- | ext/socket/option.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/ext/socket/option.c b/ext/socket/option.c index 96cc8b440f..fec8277da1 100644 --- a/ext/socket/option.c +++ b/ext/socket/option.c @@ -465,6 +465,9 @@ rb_if_indextoname(const char *succ_prefix, const char *fail_prefix, unsigned int else return snprintf(buf, len, "%s%s", succ_prefix, ifbuf); #else +# ifndef IFNAMSIZ +# define IFNAMSIZ (sizeof(unsigned int)*3+1) +# endif return snprintf(buf, len, "%s%u", fail_prefix, ifindex); #endif } |