hostname: use POSIX routine to get hostname rather than reading from procfs

diff --git a/slstatus.c b/slstatus.c
index ba7f95a2a8b439955430753a1f5e1a7ca716b543..641730515d9953b56a33973426ba0d448ff4d80f 100644 (file)
--- a/slstatus.c
+++ b/slstatus.c
@@ -271,14 +271,10 @@ hostname(void)
        char buf[HOST_NAME_MAX];
        FILE *fp;
 
-       fp = fopen("/proc/sys/kernel/hostname", "r");
-       if (fp == NULL) {
-               warn("Failed to open file /proc/sys/kernel/hostname");
+       if (gethostname(buf, sizeof(buf)) == -1) {
+               warn(1, "hostname");
                return smprintf(UNKNOWN_STR);
        }
-       fgets(buf, sizeof(buf), fp);
-       buf[strlen(buf)-1] = '\0';
-       fclose(fp);
 
        return smprintf("%s", buf);
 }