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6ef0bd02db
This helps with statically interposing getenv.
Updates commit 7a61e7f557a97ab597d6fca5e2d1f13f65685c61
("stdlib: Make getenv thread-safe in more cases").
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/* Static interposition of getenv (bug 32541).
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <stdlib.h>
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#include <support/check.h>
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/* Some programs try to interpose getenv for their own use (not
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glibc's internal use). Make sure that this is possible without
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introducing linker failures due to duplicate symbols. */
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char *
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getenv (const char *ignored)
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{
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return NULL;
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}
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static int
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do_test (void)
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{
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TEST_COMPARE_STRING (getenv ("PATH"), NULL);
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return 0;
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}
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#include <support/test-driver.c>
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