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8022fc7d51
With fortification enabled, system calls return result needs to be checked, has it gets the __wur macro enabled. Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
/* Error-checking replacement for "system".
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Copyright (C) 2023 Free Software Foundation, Inc.
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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 <support/support.h>
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#include <support/check.h>
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#include <support/xstdlib.h>
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void
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xsystem (const char *cmd)
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{
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int ret = system (cmd);
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if (ret == 0 && cmd == NULL)
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FAIL_EXIT1 ("Unable to spawn a shell for NULL command");
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if (ret == 127)
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FAIL_EXIT1 ("Child terminated with status 127");
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if (ret < 0)
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FAIL_EXIT1 ("system (\"%s\")", cmd);
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}
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