This patch is to address a proposal by Waldemar in this thread: http://mailman.uclibc-ng.org/pipermail/devel/2016-June/001006.html tst-ethers-line and tst-ethers require /etc/ethers to exist, otherwise user should create it manually. Add this info to warning message. Signed-off-by: Eugeniy Paltsev &lt;Eugeniy.Paltsev(a)synopsys.com&gt; --- test/inet/tst-ethers-line.c | 5 +++-- test/inet/tst-ethers.c | 6 +++++- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/test/inet/tst-ethers-line.c b/test/inet/tst-ethers-line.c index 19cf2fb..182faf0 100644 --- a/test/inet/tst-ethers-line.c +++ b/test/inet/tst-ethers-line.c @@ -14,7 +14,8 @@ #define ETHER_LINE_LEN 256 /* This test requires /etc/ethers to exist - * and to have nonzero length + * and to have nonzero length. You should create it manually, + * if it doesn't exist. */ int main(void) @@ -26,7 +27,7 @@ int main(void) struct stat statb; if ((fd = open(ETHER_FILE_NAME, O_RDONLY)) == -1) { - perror ("Cannot open file"); + perror ("Cannot open file /etc/ethers"); exit(1); } diff --git a/test/inet/tst-ethers.c b/test/inet/tst-ethers.c index 6b6e10c..f12813a 100644 --- a/test/inet/tst-ethers.c +++ b/test/inet/tst-ethers.c @@ -6,6 +6,8 @@ /* This test requires /etc/ethers to exist * and to have host "teeth". For example: * 00:11:22:33:44:55 teeth + * You should create /etc/ethers file with + * host "teeth" manually, if it doesn't exist. */ int main(void) @@ -15,8 +17,10 @@ int main(void) int i; int res = ether_hostton("teeth", &addr); - if (res) + if (res) { + printf("Either /etc/ethers is missing or it has incorrect contents\n"); return 1; + } for (i = 0; i < 6; i++) { printf("%02x", addr.ether_addr_octet[i]); -- 2.5.5