[src/trunk]: src/tests/lib/libc/gen Test also ttyname_r(3).

[jruoho <jruoho%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/e75be36eaefd
branches:  trunk
changeset: 764712:e75be36eaefd
user:      jruoho <jruoho%NetBSD.org@localhost>
date:      Sun May 01 18:14:01 2011 +0000

description:
Test also ttyname_r(3).

diffstat:

 tests/lib/libc/gen/t_ttyname.c |  86 +++++++++++++++++++++++++++++++++++++++--
 1 files changed, 81 insertions(+), 5 deletions(-)

diffs (133 lines):

diff -r 6c58f579ae3f -r e75be36eaefd tests/lib/libc/gen/t_ttyname.c
--- a/tests/lib/libc/gen/t_ttyname.c    Sun May 01 17:07:05 2011 +0000
+++ b/tests/lib/libc/gen/t_ttyname.c    Sun May 01 18:14:01 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_ttyname.c,v 1.2 2011/04/08 15:25:00 jruoho Exp $ */
+/*     $NetBSD: t_ttyname.c,v 1.3 2011/05/01 18:14:01 jruoho Exp $ */
 
 /*-
  * Copyright (c) 2011 The NetBSD Foundation, Inc.
@@ -29,13 +29,17 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: t_ttyname.c,v 1.2 2011/04/08 15:25:00 jruoho Exp $");
+__RCSID("$NetBSD: t_ttyname.c,v 1.3 2011/05/01 18:14:01 jruoho Exp $");
 
 #include <atf-c.h>
 #include <errno.h>
 #include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
 #include <unistd.h>
 
+static long ttymax = 0;
+
 ATF_TC(ttyname_err);
 ATF_TC_HEAD(ttyname_err, tc)
 {
@@ -44,8 +48,7 @@
 
 ATF_TC_BODY(ttyname_err, tc)
 {
-       char buf[0];
-       int fd, rv;
+       int fd;
 
        fd = open("XXX", O_RDONLY);
 
@@ -76,12 +79,80 @@
                ATF_REQUIRE(ttyname(fd) == NULL);
                ATF_REQUIRE(errno == ENOTTY);
        }
+}
+
+ATF_TC(ttyname_r_err);
+ATF_TC_HEAD(ttyname_r_err, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "Test errors in ttyname_r(3)");
+}
+
+ATF_TC_BODY(ttyname_r_err, tc)
+{
+       char sbuf[0];
+       char *buf;
+       int fd;
+       int rv;
+
+       buf = malloc(ttymax + 1);
+
+       if (buf == NULL)
+               return;
+
+       (void)memset(buf, '\0', ttymax + 1);
 
        if (isatty(STDIN_FILENO) != 0) {
 
-               rv = ttyname_r(STDIN_FILENO, buf, sizeof(buf));
+               rv = ttyname_r(STDIN_FILENO, sbuf, sizeof(sbuf));
                ATF_REQUIRE(rv == ERANGE);
        }
+
+       rv = ttyname_r(-1, buf, ttymax);
+       ATF_REQUIRE(rv == EBADF);
+
+       fd = open("/etc/passwd", O_RDONLY);
+
+       if (fd >= 0) {
+               rv = ttyname_r(fd, buf, ttymax);
+               ATF_REQUIRE(rv == ENOTTY);
+               ATF_REQUIRE(close(fd) == 0);
+       }
+
+       free(buf);
+}
+
+ATF_TC(ttyname_r_stdin);
+ATF_TC_HEAD(ttyname_r_stdin, tc)
+{
+       atf_tc_set_md_var(tc, "descr", "Test ttyname_r(3) with stdin(3)");
+}
+
+ATF_TC_BODY(ttyname_r_stdin, tc)
+{
+       const char *str;
+       char *buf;
+       int rv;
+
+       if (isatty(STDIN_FILENO) == 0)
+               return;
+
+       buf = malloc(ttymax + 1);
+
+       if (buf == NULL)
+               return;
+
+       (void)memset(buf, '\0', ttymax + 1);
+
+       str = ttyname(STDIN_FILENO);
+       rv = ttyname_r(STDIN_FILENO, buf, ttymax);
+
+       ATF_REQUIRE(rv == 0);
+       ATF_REQUIRE(str != NULL);
+
+       if (strcmp(str, buf) != 0)
+               atf_tc_fail("ttyname(3) and ttyname_r(3) conflict");
+
+       free(buf);
 }
 
 ATF_TC(ttyname_stdin);
@@ -105,7 +176,12 @@
 ATF_TP_ADD_TCS(tp)
 {
 
+       ttymax = sysconf(_SC_TTY_NAME_MAX);
+       ATF_REQUIRE(ttymax >= 0);
+
        ATF_TP_ADD_TC(tp, ttyname_err);
+       ATF_TP_ADD_TC(tp, ttyname_r_err);
+       ATF_TP_ADD_TC(tp, ttyname_r_stdin);
        ATF_TP_ADD_TC(tp, ttyname_stdin);
 
        return atf_no_error();