Checked against glibc and kernel code: when given name isn't a valid interface, kernel returns ENODEV and glibc just forwards it. Signed-off-by: Douglas Caetano dos Santos <douglascs@xxxxxxxxxxxxx> --- man3/if_nametoindex.3 | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/man3/if_nametoindex.3 b/man3/if_nametoindex.3 index 9689cdbd7..cfe49bc91 100644 --- a/man3/if_nametoindex.3 +++ b/man3/if_nametoindex.3 @@ -67,6 +67,14 @@ on error, NULL is returned and .I errno is set appropriately. .SH ERRORS +.BR if_nametoindex () +may fail and set +.I errno +if: +.TP +.B ENODEV +No interface found with given name. +.PP .BR if_indextoname () may fail and set .I errno -- 2.12.1 -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
