mirror of
https://github.com/irssi/irssi.git
synced 2024-12-04 14:46:39 -05:00
Removed memory debugging code. It's a lot easier to check for buffer
overflows with electric fence and memory leaks with memprof. git-svn-id: http://svn.irssi.org/repos/irssi/trunk@2095 dbcabf3a-b0e7-0310-adc4-f8d773084564
This commit is contained in:
Timo Sirainen
cras
parent
5bcb8251f5
commit
0ffcbdc9b4
@ -4,7 +4,6 @@
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#undef PLUGINSDIR
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/* misc.. */
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#undef MEM_DEBUG
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#undef HAVE_IPV6
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#undef HAVE_POPT_H
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#undef HAVE_SOCKS_H
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22
configure.in
22
configure.in
@ -185,19 +185,6 @@ AC_ARG_WITH(tests,
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TEST_DIR=)
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AC_SUBST(TEST_DIR)
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AC_ARG_ENABLE(memdebug,
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[ --enable-memdebug Enable memory debugging],
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if test x$enableval = xyes; then
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want_memdebug=yes
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else
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if test "x$enableval" = xno; then
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want_memdebug=no
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else
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want_memdebug=yes
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fi
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fi,
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want_memdebug=no)
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AC_ARG_ENABLE(ipv6,
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[ --enable-ipv6 Enable IPv6 support],
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if test x$enableval = xyes; then
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@ -729,15 +716,6 @@ COMMON_LIBS="$FE_COMMON_LIBS $COMMON_NOUI_LIBS"
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AC_SUBST(COMMON_NOUI_LIBS)
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AC_SUBST(COMMON_LIBS)
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dnl **
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dnl ** memory debugging
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dnl **
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if test "x$want_memdebug" = "xyes"; then
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AC_DEFINE(MEM_DEBUG)
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fi
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AM_CONDITIONAL(BUILD_MEMDEBUG, test "x$want_memdebug" = "xyes")
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dnl **
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dnl ** tr-Chinese Big5 support
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dnl **
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@ -46,8 +46,6 @@
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# include <gmodule.h>
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#endif
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#include "core/memdebug.h"
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/* input functions */
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#define G_INPUT_READ (1 << 0)
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#define G_INPUT_WRITE (1 << 1)
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@ -1,379 +0,0 @@
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/*
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memdebug.c : irssi
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Copyright (C) 1999-2000 Timo Sirainen
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This program 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 2 of the License, or
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(at your option) any later version.
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This program 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 this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <glib.h>
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#include <gmodule.h>
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/*#define ENABLE_BUFFER_CHECKS*/
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#define BUFFER_CHECK_SIZE 5
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#define MIN_BUFFER_CHECK_SIZE 2
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typedef struct {
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void *p;
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int size;
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char *file;
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int line;
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char *comment;
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} MEM_REC;
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static GHashTable *data = NULL, *preallocs = NULL;
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static const char *comment = "";
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static void add_flow_checks(char *p, unsigned long size)
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{
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#ifdef ENABLE_BUFFER_CHECKS
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int n;
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for (n = 0; n < BUFFER_CHECK_SIZE; n++)
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p[n] = n ^ 0x7f;
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for (n = 0; n < BUFFER_CHECK_SIZE; n++)
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p[size-BUFFER_CHECK_SIZE+n] = n ^ 0x7f;
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#endif
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}
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void ig_memcheck_rec(void *key, MEM_REC *rec)
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{
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guchar *p;
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int n;
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if (rec->size != INT_MIN){
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p = rec->p;
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for (n = 0; n < MIN_BUFFER_CHECK_SIZE; n++)
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if (p[n] != (n ^ 0x7f))
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g_error("buffer underflow, file %s line %d!\n", rec->file, rec->line);
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for (n = 0; n < MIN_BUFFER_CHECK_SIZE; n++)
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if (p[rec->size-BUFFER_CHECK_SIZE+n] != (n ^ 0x7f))
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g_error("buffer overflow, file %s line %d!\n", rec->file, rec->line);
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}
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}
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static void mem_check(void)
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{
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#ifdef ENABLE_BUFFER_CHECKS
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g_hash_table_foreach(data, (GHFunc) ig_memcheck_rec, NULL);
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#endif
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}
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static void data_add(char *p, int size, const char *file, int line)
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{
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MEM_REC *rec;
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if (size <= 0 && size != INT_MIN)
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g_error("size = %d, file %s line %d", size, file, line);
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if (data == NULL) {
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data = g_hash_table_new((GHashFunc) g_direct_hash, (GCompareFunc) g_direct_equal);
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preallocs = g_hash_table_new((GHashFunc) g_direct_hash, (GCompareFunc) g_direct_equal);
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}
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if (g_hash_table_lookup(data, p) != NULL)
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g_error("data_add() already malloc()'ed %p (in %s:%d)", p, file, line);
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rec = g_new(MEM_REC, 1);
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g_hash_table_insert(data, p, rec);
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rec->p = p;
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rec->size = size;
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rec->file = g_strdup(file);
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rec->line = line;
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rec->comment = g_strdup(comment);
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if (size == INT_MIN)
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g_hash_table_insert(preallocs, p-BUFFER_CHECK_SIZE, p);
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else
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add_flow_checks(p, size);
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mem_check();
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}
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static void data_clear(char *p)
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{
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MEM_REC *rec;
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if (g_hash_table_lookup(preallocs, p) != NULL)
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p += BUFFER_CHECK_SIZE;
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rec = g_hash_table_lookup(data, p);
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if (rec != NULL && rec->size > 0)
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memset(p, 'F', rec->size);
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}
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static void *data_remove(char *p, const char *file, int line)
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{
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MEM_REC *rec;
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mem_check();
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if (g_hash_table_lookup(preallocs, p) != NULL) {
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g_hash_table_remove(preallocs, p);
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p += BUFFER_CHECK_SIZE;
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}
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rec = g_hash_table_lookup(data, p);
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if (rec == NULL) {
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g_warning("data_remove() data %p not found (in %s:%d)", p, file, line);
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return p+BUFFER_CHECK_SIZE;
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}
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g_hash_table_remove(data, p);
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g_free(rec->file);
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g_free(rec->comment);
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g_free(rec);
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return p;
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}
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void *ig_malloc(int size, const char *file, int line)
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{
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char *p;
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size += BUFFER_CHECK_SIZE*2;
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p = g_malloc(size);
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data_add(p, size, file, line);
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return (void *) (p+BUFFER_CHECK_SIZE);
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}
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void *ig_malloc0(int size, const char *file, int line)
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{
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char *p;
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size += BUFFER_CHECK_SIZE*2;
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p = g_malloc0(size);
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data_add(p, size, file, line);
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return (void *) (p+BUFFER_CHECK_SIZE);
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}
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void *ig_realloc(void *mem, unsigned long size, const char *file, int line)
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{
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char *p, *oldmem = mem;
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size += BUFFER_CHECK_SIZE*2;
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oldmem -= BUFFER_CHECK_SIZE;
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data_remove(oldmem, file, line);
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p = g_realloc(oldmem, size);
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data_add(p, size, file, line);
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return (void *) (p+BUFFER_CHECK_SIZE);
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}
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char *ig_strdup(const char *str, const char *file, int line)
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{
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void *p;
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if (str == NULL) return NULL;
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p = ig_malloc(strlen(str)+1, file, line);
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strcpy(p, str);
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return p;
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}
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char *ig_strndup(const char *str, int count, const char *file, int line)
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{
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char *p;
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if (str == NULL) return NULL;
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p = ig_malloc(count+1, file, line);
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strncpy(p, str, count); p[count] = '\0';
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return p;
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}
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char *ig_strconcat(const char *file, int line, const char *str, ...)
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{
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guint l;
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va_list args;
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char *s;
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char *concat;
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g_return_val_if_fail (str != NULL, NULL);
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l = 1 + strlen (str);
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va_start (args, str);
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s = va_arg (args, char*);
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while (s)
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{
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l += strlen (s);
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s = va_arg (args, char*);
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}
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va_end (args);
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concat = ig_malloc(l, file, line);
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concat[0] = 0;
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strcat (concat, str);
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va_start (args, str);
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s = va_arg (args, char*);
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while (s)
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{
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strcat (concat, s);
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s = va_arg (args, char*);
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}
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va_end (args);
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return concat;
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}
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char *ig_strdup_printf(const char *file, int line, const char *format, ...)
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{
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char *buffer, *p;
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va_list args;
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va_start (args, format);
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buffer = g_strdup_vprintf (format, args);
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va_end (args);
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p = ig_malloc(strlen(buffer)+1, file, line);
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strcpy(p, buffer);
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g_free(buffer);
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return p;
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}
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char *ig_strdup_vprintf(const char *file, int line, const char *format, va_list args)
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{
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char *buffer, *p;
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buffer = g_strdup_vprintf (format, args);
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p = ig_malloc(strlen(buffer)+1, file, line);
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strcpy(p, buffer);
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g_free(buffer);
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return p;
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}
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void ig_free(void *p)
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{
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char *cp = p;
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if (cp == NULL) g_error("ig_free() : trying to free NULL");
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cp -= BUFFER_CHECK_SIZE;
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data_clear(cp);
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cp = data_remove(cp, "??", 0);
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if (cp != NULL) g_free(cp);
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}
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GString *ig_string_new(const char *file, int line, const char *str)
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{
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GString *ret;
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ret = g_string_new(str);
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data_add((void *) ret, INT_MIN, file, line);
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return ret;
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}
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void ig_string_free(const char *file, int line, GString *str, gboolean freeit)
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{
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data_remove((void *) str, file, line);
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if (!freeit)
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data_add(str->str, INT_MIN, file, line);
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g_string_free(str, freeit);
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}
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char *ig_strjoinv(const char *file, int line, const char *sepa, char **array)
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{
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char *ret;
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ret = g_strjoinv(sepa, array);
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data_add(ret, INT_MIN, file, line);
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return ret;
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}
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char *ig_dirname(const char *file, int line, const char *fname)
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{
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char *ret;
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ret = g_dirname(fname);
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data_add(ret, INT_MIN, file, line);
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return ret;
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}
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char *ig_module_build_path(const char *file, int line, const char *dir, const char *module)
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{
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char *ret;
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ret = g_module_build_path(dir, module);
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data_add(ret, INT_MIN, file, line);
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return ret;
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}
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void ig_profile_line(void *key, MEM_REC *rec)
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{
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char *data;
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if (*rec->comment == '\0' &&
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(strcmp(rec->file, "ig_strdup_printf") == 0 ||
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strcmp(rec->file, "ig_strdup_vprintf") == 0 ||
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strcmp(rec->file, "ig_strconcat") == 0 ||
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strcmp(rec->file, "ig_string_free (free = FALSE)") == 0))
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data = (char *) rec->p + BUFFER_CHECK_SIZE;
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else
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data = rec->comment;
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fprintf(stderr, "%s:%d %d bytes (%s)\n", rec->file, rec->line, rec->size, data);
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}
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void ig_mem_profile(void)
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{
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g_hash_table_foreach(data, (GHFunc) ig_profile_line, NULL);
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g_hash_table_destroy(data);
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g_hash_table_destroy(preallocs);
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}
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static MEM_REC *largest[10];
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void ig_profile_largest(void *key, MEM_REC *rec)
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{
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int n;
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for (n = 0; n < 10; n++)
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{
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if (largest[n] == NULL || rec->size > largest[n]->size)
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{
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g_memmove(largest+n+1, largest+n, sizeof(void *)*(9-n));
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largest[n] = rec;
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}
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}
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}
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void ig_mem_profile_largest(void)
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{
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/*int n;*/
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memset(&largest, 0, sizeof(MEM_REC*)*10);
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/*g_hash_table_foreach(data, (GHFunc) ig_profile_largest, NULL);
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for (n = 0; n < 10 && largest[n] != NULL; n++)
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{
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ig_profile_line(NULL, largest[n]);
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}*/
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}
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void ig_set_data(const char *data)
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{
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comment = data;
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}
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@ -1,38 +0,0 @@
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#ifdef MEM_DEBUG
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void ig_mem_profile(void);
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void ig_set_data(const char *data);
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void *ig_malloc(int size, const char *file, int line);
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void *ig_malloc0(int size, const char *file, int line);
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void *ig_realloc(void *mem, unsigned long size, const char *file, int line);
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char *ig_strdup(const char *str, const char *file, int line);
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char *ig_strndup(const char *str, int count, const char *file, int line);
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char *ig_strconcat(const char *file, int line, const char *str, ...);
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char *ig_strdup_printf(const char *file, int line, const char *format, ...) G_GNUC_PRINTF (3, 4);
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char *ig_strdup_vprintf(const char *file, int line, const char *format, va_list args);
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void ig_free(void *p);
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GString *ig_string_new(const char *file, int line, const char *str);
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void ig_string_free(const char *file, int line, GString *str, int freeit);
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char *ig_strjoinv(const char *file, int line, const char *sepa, char **array);
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char *ig_dirname(const char *file, int line, const char *fname);
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char *ig_module_build_path(const char *file, int line, const char *dir, const char *module);
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#define g_malloc(a) ig_malloc(a, __FILE__, __LINE__)
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#define g_malloc0(a) ig_malloc0(a, __FILE__, __LINE__)
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#define g_free ig_free
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#define g_realloc(a,b) ig_realloc(a, b, __FILE__, __LINE__)
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#define g_strdup(a) ig_strdup(a, __FILE__, __LINE__)
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#define g_strndup(a, b) ig_strndup(a, b, __FILE__, __LINE__)
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#define g_string_new(a) ig_string_new(__FILE__, __LINE__, a)
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#define g_string_free(a, b) ig_string_free(__FILE__, __LINE__, a, b)
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#define g_strjoinv(a,b) ig_strjoinv(__FILE__, __LINE__, a, b)
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#define g_dirname(a) ig_dirname(__FILE__, __LINE__, a)
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#define g_module_build_path(a, b) ig_module_build_path(__FILE__, __LINE__, a, b)
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#ifndef __STRICT_ANSI__
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#define g_strconcat(a...) ig_strconcat(__FILE__, __LINE__, ##a)
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#define g_strdup_printf(a, b...) ig_strdup_printf(__FILE__, __LINE__, a, ##b)
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#define g_strdup_vprintf(a, b...) ig_strdup_vprintf(__FILE__, __LINE__, a, ##b)
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#endif
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#endif
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@ -324,9 +324,5 @@ int main(int argc, char **argv)
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g_main_destroy(main_loop);
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textui_deinit();
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#ifdef MEM_DEBUG
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ig_mem_profile();
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#endif
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return 0;
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}
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||||
|
||||
@ -82,11 +82,7 @@ static void config_parse_get_token(GScanner *scanner, CONFIG_NODE *node)
|
||||
} else {
|
||||
if (scanner->token == G_TOKEN_INT) {
|
||||
scanner->token = G_TOKEN_STRING;
|
||||
#undef g_strdup_printf /* This is free'd by GLib itself */
|
||||
scanner->value.v_string = g_strdup_printf("%lu", scanner->value.v_int);
|
||||
#ifdef MEM_DEBUG
|
||||
#define g_strdup_printf(a, b...) ig_strdup_printf(__FILE__, __LINE__, a, ##b)
|
||||
#endif
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user