| 1 | /* Print output of stream to given obstack. |
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| 2 | Copyright (C) 1996-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <libio/libioP.h> |
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| 20 | #include <stdarg.h> |
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| 21 | |
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| 22 | |
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| 23 | int |
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| 24 | __obstack_printf_chk (struct obstack *obstack, int flag, const char *format, |
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| 25 | ...) |
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| 26 | { |
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| 27 | /* For flag > 0 (i.e. __USE_FORTIFY_LEVEL > 1) request that %n |
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| 28 | can only come from read-only format strings. */ |
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| 29 | unsigned int mode = (flag > 0) ? PRINTF_FORTIFY : 0; |
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| 30 | va_list ap; |
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| 31 | int ret; |
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| 32 | |
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| 33 | va_start (ap, format); |
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| 34 | ret = __obstack_vprintf_internal (ob: obstack, fmt: format, ap, mode_flags: mode); |
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| 35 | va_end (ap); |
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| 36 | |
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| 37 | return ret; |
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| 38 | } |
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| 39 | |
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