Adding upstream version 5.2.37.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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126
lib/malloc/trace.c
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126
lib/malloc/trace.c
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/* trace.c - tracing functions for malloc */
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/* Copyright (C) 2001-2020 Free Software Foundation, Inc.
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This file is part of GNU Bash, the Bourne Again SHell.
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Bash is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Bash 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Bash. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <stdio.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include "imalloc.h"
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extern int malloc_trace;
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static int _mtrace_verbose = 0;
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#ifdef MALLOC_TRACE
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extern FILE *_imalloc_fopen PARAMS((char *, char *, char *, char *, size_t));
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FILE *_mtrace_fp = NULL;
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extern char _malloc_trace_buckets[];
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void
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mtrace_alloc (tag, mem, size, file, line)
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const char *tag;
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PTR_T mem;
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size_t size;
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const char *file;
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int line;
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{
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if (_mtrace_fp == NULL)
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_mtrace_fp = stderr;
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if (_mtrace_verbose)
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fprintf (_mtrace_fp, "alloc: %s: %p (%zu bytes) from '%s:%d'\n",
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tag, mem, size, file ? file : "unknown", line);
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else
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fprintf (_mtrace_fp, "alloc:%p:%zu:%s:%d\n",
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mem, size, file ? file : "unknown", line);
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}
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void
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mtrace_free (mem, size, file, line)
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PTR_T mem;
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int size;
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const char *file;
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int line;
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{
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if (_mtrace_fp == NULL)
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_mtrace_fp = stderr;
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if (_mtrace_verbose)
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fprintf (_mtrace_fp, "free: %p (%d bytes) from '%s:%d'\n",
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mem, size, file ? file : "unknown", line);
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else
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fprintf (_mtrace_fp, "free:%p:%d:%s:%d\n",
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mem, size, file ? file : "unknown", line);
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}
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#endif /* MALLOC_TRACE */
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int
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malloc_set_trace (n)
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int n;
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{
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int old;
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old = malloc_trace;
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malloc_trace = n;
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_mtrace_verbose = (n > 1);
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return old;
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}
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void
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malloc_set_tracefp (fp)
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FILE *fp;
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{
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#ifdef MALLOC_TRACE
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_mtrace_fp = fp ? fp : stderr;
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#endif
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}
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void
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malloc_trace_bin (n)
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int n;
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{
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#ifdef MALLOC_TRACE
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_malloc_trace_buckets[n] = 1;
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#endif
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}
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#define TRACEROOT "/var/tmp/maltrace/trace."
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void
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malloc_set_tracefn (s, fn)
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char *s;
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char *fn;
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{
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#ifdef MALLOC_TRACE
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FILE *fp;
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char defname[sizeof (TRACEROOT) + 64];
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fp = _imalloc_fopen (s, fn, TRACEROOT, defname, sizeof (defname));
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if (fp)
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malloc_set_tracefp (fp);
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#endif
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}
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