47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/* Implementation of __nss_parse_line_result.
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Copyright (C) 2020-2022 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 <nss_files.h>
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#include <assert.h>
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#include <errno.h>
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int
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__nss_parse_line_result (FILE *fp, off64_t offset, int parse_line_result)
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{
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assert (parse_line_result >= -1 && parse_line_result <= 1);
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switch (__builtin_expect (parse_line_result, 1))
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{
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case 1:
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/* Sucess. */
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return 0;
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case 0:
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/* Parse error. */
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__set_errno (EINVAL);
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return EINVAL;
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case -1:
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/* Out of buffer space. */
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return __nss_readline_seek (fp, offset);
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default:
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__builtin_unreachable ();
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}
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}
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libc_hidden_def (__nss_parse_line_result)
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