+2021-06-07 Bruno Haible <bruno@clisp.org>
+
+ ptsname_r: Add support for DragonFly BSD 6.0.
+ * lib/ptsname_r.c (__ptsname_r): Add implementation for DragonFly BSD.
+ * tests/test-ptsname_r.c (main): Treat Dragonfly BSD like Solaris.
+
2021-06-07 Bruno Haible <bruno@clisp.org>
Avoid some test failures on DragonFly BSD 6.0.
# include <stdio.h>
#endif
+#if defined __DragonFly__
+/* Get fdevname_r(). */
+# include <stdlib.h>
+#endif
/* Store at most BUFLEN characters of the pathname of the slave pseudo
terminal associated with the master FD is open on in BUF.
return 0;
else
return errno;
+#elif defined __DragonFly__
+ int save_errno = errno;
+ char tmpbuf[5 + 4 + 10 + 1];
+ int ret;
+ int n;
+ if (buf == NULL)
+ {
+ errno = EINVAL;
+ return errno;
+ }
+ /* The result of fdevname_r is typically of the form ptm/N. */
+ ret = fdevname_r (fd, tmpbuf + 5, sizeof (tmpbuf) - 5);
+ if (ret < 0 || strncmp (tmpbuf + 5, "ptm/", 4) != 0)
+ {
+ errno = ENOTTY;
+ return errno;
+ }
+ /* Turn it into /dev/pts/N. */
+ memcpy (tmpbuf, "/dev/pts/", 5 + 4);
+ n = strlen (tmpbuf);
+ if (n >= buflen)
+ {
+ errno = ERANGE;
+ return errno;
+ }
+ memcpy (buf, tmpbuf, n + 1);
+ /* Don't do a final stat(), since the file name /dev/pts/N does not actually
+ exist. */
+ errno = save_errno;
+ return 0;
#else
int save_errno = errno;
struct stat st;
close (fd);
}
-#if defined __sun
+#if defined __sun || defined __DragonFly__
/* Solaris has BSD-style /dev/pty[p-r][0-9a-f] files, but the function
- ptsname() does not work on them. */
+ ptsname() does not work on them.
+ DragonFly BSD has only /dev/ptmx. */
{
int fd;
char buffer[256];