[Minios-devel] [UNIKRAFT/NEWLIB PATCH 3/3] Implement gethostname

[Vlad-Andrei BĂDOIU (78692) <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>]

Signed-off-by: Vlad-Andrei Badoiu <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>
---
 network.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/network.c b/network.c
index 5d7823b..3a57b19 100644
--- a/network.c
+++ b/network.c
@@ -1,9 +1,22 @@
 #include <string.h>
 #include <unistd.h>
 #include <netdb.h>
+#include <errno.h>
+#include <sys/utsname.h>
 
 int gethostname(char *name, size_t len)
 {
+       struct utsname buf;
+       size_t node_len;
+
+       if (uname(&buf))
+               return -1;
+       node_len = strlen(buf.nodename) + 1;
+       memcpy(name, buf.nodename, len < node_len ? len : node_len);
+       if (node_len > len) {
+               errno = ENAMETOOLONG;
+               return -1;
+       }
        return 0;
 }
 
-- 
2.21.0

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