[src/trunk]: src/tests/lib/libc/stdlib Only try to create up-to NAME_MAX file...

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

details:   https://anonhg.NetBSD.org/src/rev/eff70fb0bc2d
branches:  trunk
changeset: 949391:eff70fb0bc2d
user:      christos <christos%NetBSD.org@localhost>
date:      Mon Jan 11 20:31:34 2021 +0000

description:
Only try to create up-to NAME_MAX filenames.
XXX: this should be moved to stdio/t_mktemp.c where the rest of the tests
are and the code lives.

diffstat:

 tests/lib/libc/stdlib/t_mktemp.c |  22 +++++++++++++++-------
 1 files changed, 15 insertions(+), 7 deletions(-)

diffs (59 lines):

diff -r 0f508839a1d1 -r eff70fb0bc2d tests/lib/libc/stdlib/t_mktemp.c
--- a/tests/lib/libc/stdlib/t_mktemp.c  Mon Jan 11 20:04:01 2021 +0000
+++ b/tests/lib/libc/stdlib/t_mktemp.c  Mon Jan 11 20:31:34 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: t_mktemp.c,v 1.3 2020/11/01 18:19:54 gson Exp $ */
+/* $NetBSD: t_mktemp.c,v 1.4 2021/01/11 20:31:34 christos Exp $ */
 
 /*-
  * Copyright (c) 2013, 2020 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: t_mktemp.c,v 1.3 2020/11/01 18:19:54 gson Exp $");
+__RCSID("$NetBSD: t_mktemp.c,v 1.4 2021/01/11 20:31:34 christos Exp $");
 
 #include <sys/stat.h>
 
@@ -79,10 +79,17 @@
 ATF_TC_BODY(mktemp_large_template, tc)
 {
        const char *path = "/tmp/mktemp.XXXXXX";
-       char template[PATH_MAX] = { 0 };
+       char *template;
        size_t i;
+       long name_max;
+       size_t tlen;
 
-       atf_tc_expect_fail("PR lib/55441");
+       name_max = pathconf("/tmp/", _PC_NAME_MAX);
+       ATF_REQUIRE(name_max > 0);
+
+       tlen = (size_t)name_max + sizeof("/tmp/");
+       template = malloc(tlen);
+       ATF_REQUIRE(template != NULL);
 
        ATF_REQUIRE(strcpy(template, path) != NULL);
        ATF_REQUIRE(mktemp(template) != NULL);
@@ -90,16 +97,17 @@
        ATF_REQUIRE(strcmp(template, path) != 0);
        ATF_REQUIRE(strncmp(template, "/tmp/mktemp.", 12) == 0);
 
-       (void)memset(template, '\0', sizeof(template));
+       (void)memset(template, '\0', tlen);
        (void)strcpy(template, "/tmp/mktemp.");
 
-       for (i = 12; i < sizeof(template) - 1; i++)
+       for (i = 12; i < tlen - 1; i++)
                template[i] = 'X';
 
        ATF_REQUIRE(mktemp(template) != NULL);
-       ATF_REQUIRE(strlen(template) == sizeof(template) - 1);
+       ATF_REQUIRE(strlen(template) == tlen - 1);
        ATF_REQUIRE(strcmp(template, path) != 0);
        ATF_REQUIRE(strncmp(template, "/tmp/mktemp.", 12) == 0);
+       free(template);
 }
 
 ATF_TC(mkstemp_basic);