components/hostname.c
/* See LICENSE file for copyright and license details. */ #include <errno.h> #include <stdio.h> #include <string.h> #include <unistd.h> #include "../util.h" const char * hostname(void) { if (gethostname(buf, sizeof(buf)) == -1) { fprintf(stderr, "gethostbyname: %s\n", strerror(errno)); return NULL; } return buf; }