Subversion Repositories planix.SVN

/* posix */
#include <sys/types.h>
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#include <string.h>

int
gethostname(char *name, int namelen)
{
        int n, fd;
        char buf[128];

        fd = open("/dev/sysname", O_RDONLY);
        if(fd < 0)
                return -1;
        n = read(fd, buf, sizeof(buf)-1);
        close(fd);
        if(n <= 0)
                return -1;
        buf[n] = 0;
        strncpy(name, buf, namelen);
        name[namelen-1] = 0;
        return 0;
}