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debug/tst-backtrace.h
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Paul Eggert
Update copyright dates with scripts/update-copyrights
02 янв 2026, 00:42
02 янв 2026, 00:42
66f3e92
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/* Test backtrace and backtrace_symbols: common code for examining backtraces. Copyright (C) 2013-2026 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ #include <stdbool.h> #include <stdio.h> #include <string.h> /* Set to a non-zero value if the test fails. */ volatile int ret; /* Accesses to X are used to prevent optimization. */ volatile int x; /* Called if the test fails. */ #define FAIL() \ do { printf ("Failure on line %d\n", __LINE__); ret = 1; } while (0) /* Use this attribute to prevent inlining, so that all expected frames are present. */ #define NO_INLINE __attribute__ ((weak)) __attribute_optimization_barrier__ /* Look for a match in SYM from backtrace_symbols to NAME, a fragment of a function name. Ignore the filename before '(', but presume that the function names are chosen so they cannot accidentally match the hex offset before the closing ')'. */ static inline bool match (const char *sym, const char *name) { const char *p = strchr (sym, '('); return p != NULL && strstr (p, name) != NULL; }