From d5eee9726d72cee570d1ca666ceae149c2c15ef9 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Fri, 24 Jan 2025 18:53:13 +0800 Subject: [PATCH] stdlib: Test using setenv with updated environ [BZ #32588] Add a test for setenv with updated environ. Verify that BZ #32588 is fixed. Signed-off-by: H.J. Lu Reviewed-by: Florian Weimer (cherry picked from commit 8ab34497de14e35aff09b607222fe1309ef156da) --- stdlib/Makefile | 1 + stdlib/tst-setenv-environ.c | 36 ++++++++++++++++++++++++++++++++++++ 2 files changed, 37 insertions(+) create mode 100644 stdlib/tst-setenv-environ.c diff --git a/stdlib/Makefile b/stdlib/Makefile index 3d49c4941a..2da3030efc 100644 --- a/stdlib/Makefile +++ b/stdlib/Makefile @@ -222,6 +222,7 @@ tests := \ tst-setcontext7 \ tst-setcontext8 \ tst-setcontext9 \ + tst-setenv-environ \ tst-strfmon_l \ tst-strfrom \ tst-strfrom-locale \ diff --git a/stdlib/tst-setenv-environ.c b/stdlib/tst-setenv-environ.c new file mode 100644 index 0000000000..02fcef96d0 --- /dev/null +++ b/stdlib/tst-setenv-environ.c @@ -0,0 +1,36 @@ +/* Test using setenv with updated environ. + Copyright (C) 2025 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include +#include + +extern char **environ; + +int +do_test (void) +{ + char *valp; + static char *dummy_environ[] = { NULL }; + environ = dummy_environ; + setenv ("A", "1", 0); + valp = getenv ("A"); + TEST_VERIFY_EXIT (valp[0] == '1' && valp[1] == '\0'); + return 0; +} + +#include