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f58bd7f055
Some include files were missing because they are implied by the in-tree build process. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
/* Write a string to a file.
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Copyright (C) 2017 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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<http://www.gnu.org/licenses/>. */
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#include <fcntl.h>
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#include <string.h>
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#include <support/check.h>
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#include <support/xunistd.h>
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void
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support_write_file_string (const char *path, const char *contents)
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{
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int fd = xopen (path, O_CREAT | O_TRUNC | O_WRONLY, 0666);
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const char *end = contents + strlen (contents);
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for (const char *p = contents; p < end; )
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{
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ssize_t ret = write (fd, p, end - p);
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if (ret < 0)
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FAIL_EXIT1 ("cannot write to \"%s\": %m", path);
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if (ret == 0)
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FAIL_EXIT1 ("zero-length write to \"%s\"", path);
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p += ret;
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}
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xclose (fd);
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}
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