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* cygwin.din: Export rand_r and ttyname_r.

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* syscalls.cc (ttyname_r): New function.
	(ttyname): Move functionality to ttyname_r.  Call it from here.
	* include/cygwin/version.h: Bump API minor number.
This commit is contained in:
Corinna Vinschen
2004-04-14 09:12:04 +00:00
parent b923181eca
commit 93d66ddc20
4 changed files with 46 additions and 13 deletions
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35
winsup/cygwin/syscalls.cc
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@@ -1511,15 +1511,38 @@ pathconf (const char *file, int v)
}
}
extern "C" int
ttyname_r (int fd, char *buf, size_t buflen)
{
int ret = 0;
if (__check_null_invalid_struct (buf, buflen))
ret = EINVAL;
else
{
cygheap_fdget cfd (fd, true);
if (cfd < 0)
ret = EBADF;
else if (!cfd->is_tty ())
ret = ENOTTY;
else if (buflen < strlen (cfd->ttyname ()) + 1)
ret = ERANGE;
else
strcpy (buf, cfd->ttyname ());
}
debug_printf ("returning %d tty: %s", ret, ret ? "NULL" : buf);
return ret;
}
extern "C" char *
ttyname (int fd)
{
char *name;
cygheap_fdget cfd (fd);
if (cfd < 0 || !cfd->is_tty ())
return 0;
name = (char *) (cfd->ttyname ());
debug_printf ("returning %s", name);
static char name[CYG_MAX_PATH];
int ret = ttyname_r (fd, name, CYG_MAX_PATH);
if (ret)
{
set_errno (ret);
return NULL;
}
return name;
}