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-rw-r--r--src/common/malloc.c715
1 files changed, 715 insertions, 0 deletions
diff --git a/src/common/malloc.c b/src/common/malloc.c
new file mode 100644
index 000000000..1e3af2d40
--- /dev/null
+++ b/src/common/malloc.c
@@ -0,0 +1,715 @@
+// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
+// For more information, see LICENCE in the main folder
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "malloc.h"
+#include "../common/core.h"
+#include "../common/showmsg.h"
+
+#ifdef MINICORE
+ #undef LOG_MEMMGR
+#endif
+
+void* aMalloc_ (size_t size, const char *file, int line, const char *func)
+{
+#ifndef MEMWATCH
+ void *ret = MALLOC(size);
+#else
+ void *ret = mwMalloc(size, file, line);
+#endif
+ // ShowMessage("%s:%d: in func %s: malloc %d\n",file,line,func,size);
+ if (ret == NULL){
+ ShowFatalError("%s:%d: in func %s: malloc error out of memory!\n",file,line,func);
+ exit(1);
+ }
+
+ return ret;
+}
+void* aMallocA_ (size_t size, const char *file, int line, const char *func)
+{
+#ifndef MEMWATCH
+ void *ret = MALLOCA(size);
+#else
+ void *ret = mwMalloc(size, file, line);
+#endif
+ // ShowMessage("%s:%d: in func %s: malloc %d\n",file,line,func,size);
+ if (ret == NULL){
+ ShowFatalError("%s:%d: in func %s: malloc error out of memory!\n",file,line,func);
+ exit(1);
+ }
+
+ return ret;
+}
+void* aCalloc_ (size_t num, size_t size, const char *file, int line, const char *func)
+{
+#ifndef MEMWATCH
+ void *ret = CALLOC(num, size);
+#else
+ void *ret = mwCalloc(num, size, file, line);
+#endif
+ // ShowMessage("%s:%d: in func %s: calloc %d %d\n",file,line,func,num,size);
+ if (ret == NULL){
+ ShowFatalError("%s:%d: in func %s: calloc error out of memory!\n", file, line, func);
+ exit(1);
+ }
+ return ret;
+}
+void* aCallocA_ (size_t num, size_t size, const char *file, int line, const char *func)
+{
+#ifndef MEMWATCH
+ void *ret = CALLOCA(num, size);
+#else
+ void *ret = mwCalloc(num, size, file, line);
+#endif
+ // ShowMessage("%s:%d: in func %s: calloc %d %d\n",file,line,func,num,size);
+ if (ret == NULL){
+ ShowFatalError("%s:%d: in func %s: calloc error out of memory!\n",file,line,func);
+ exit(1);
+ }
+ return ret;
+}
+void* aRealloc_ (void *p, size_t size, const char *file, int line, const char *func)
+{
+#ifndef MEMWATCH
+ void *ret = REALLOC(p, size);
+#else
+ void *ret = mwRealloc(p, size, file, line);
+#endif
+ // ShowMessage("%s:%d: in func %s: realloc %p %d\n",file,line,func,p,size);
+ if (ret == NULL){
+ ShowFatalError("%s:%d: in func %s: realloc error out of memory!\n",file,line,func);
+ exit(1);
+ }
+ return ret;
+}
+char* aStrdup_ (const char *p, const char *file, int line, const char *func)
+{
+#ifndef MEMWATCH
+ char *ret = STRDUP(p);
+#else
+ char *ret = mwStrdup(p, file, line);
+#endif
+ // ShowMessage("%s:%d: in func %s: strdup %p\n",file,line,func,p);
+ if (ret == NULL){
+ ShowFatalError("%s:%d: in func %s: strdup error out of memory!\n", file, line, func);
+ exit(1);
+ }
+ return ret;
+}
+void aFree_ (void *p, const char *file, int line, const char *func)
+{
+ // ShowMessage("%s:%d: in func %s: free %p\n",file,line,func,p);
+ if (p)
+ #ifndef MEMWATCH
+ FREE(p);
+ #else
+ mwFree(p, file, line);
+ #endif
+
+ p = NULL;
+}
+
+#ifdef GCOLLECT
+
+void* _bcallocA(size_t size, size_t cnt)
+{
+ void *ret = MALLOCA(size * cnt);
+ if (ret) memset(ret, 0, size * cnt);
+ return ret;
+}
+void* _bcalloc(size_t size, size_t cnt)
+{
+ void *ret = MALLOC(size * cnt);
+ if (ret) memset(ret, 0, size * cnt);
+ return ret;
+}
+char* _bstrdup(const char *chr)
+{
+ int len = strlen(chr);
+ char *ret = (char*)MALLOC(len + 1);
+ if (ret) memcpy(ret, chr, len + 1);
+ return ret;
+}
+
+#endif
+
+#ifdef USE_MEMMGR
+
+/* USE_MEMMGR */
+
+/*
+ * メモリマネージャ
+ * malloc , free の処理を効率的に出来るようにしたもの。
+ * 複雑な処理を行っているので、若干重くなるかもしれません。
+ *
+ * データ構造など(説明下手ですいません^^; )
+ * ・メモリを複数の「ブロック」に分けて、さらにブロックを複数の「ユニット」
+ * に分けています。ユニットのサイズは、1ブロックの容量を複数個に均等配分
+ * したものです。たとえば、1ユニット32KBの場合、ブロック1つは32Byteのユ
+ * ニットが、1024個集まって出来ていたり、64Byteのユニットが 512個集まって
+ * 出来ていたりします。(padding,unit_head を除く)
+ *
+ * ・ブロック同士はリンクリスト(block_prev,block_next) でつながり、同じサイ
+ * ズを持つブロック同士もリンクリスト(samesize_prev,samesize_nect) でつな
+ * がっています。それにより、不要となったメモリの再利用が効率的に行えます。
+ */
+
+/* ブロックに入るデータ量 */
+#define BLOCK_DATA_SIZE 80*1024
+
+/* 一度に確保するブロックの数。 */
+#define BLOCK_ALLOC 32
+
+/* ブロックのアライメント */
+#define BLOCK_ALIGNMENT 64
+
+/* ブロック */
+struct block {
+ int block_no; /* ブロック番号 */
+ struct block* block_prev; /* 前に確保した領域 */
+ struct block* block_next; /* 次に確保した領域 */
+ int samesize_no; /* 同じサイズの番号 */
+ struct block* samesize_prev; /* 同じサイズの前の領域 */
+ struct block* samesize_next; /* 同じサイズの次の領域 */
+ size_t unit_size; /* ユニットのバイト数 0=未使用 */
+ size_t unit_hash; /* ユニットのハッシュ */
+ int unit_count; /* ユニットの数 */
+ int unit_used; /* 使用済みユニット */
+ char data[BLOCK_DATA_SIZE];
+};
+
+struct unit_head {
+ struct block* block;
+ size_t size;
+ const char* file;
+ int line;
+ unsigned int checksum;
+};
+
+struct chunk {
+ char *block;
+ struct chunk *next;
+};
+
+static struct block* block_first = NULL;
+static struct block* block_last = NULL;
+static struct block* block_unused = NULL;
+
+/* ユニットへのハッシュ。80KB/64Byte = 1280個 */
+static struct block* unit_first[BLOCK_DATA_SIZE/BLOCK_ALIGNMENT]; /* 最初 */
+static struct block* unit_unfill[BLOCK_DATA_SIZE/BLOCK_ALIGNMENT]; /* 埋まってない */
+static struct block* unit_last[BLOCK_DATA_SIZE/BLOCK_ALIGNMENT]; /* 最後 */
+
+/* メモリを使い回せない領域用のデータ */
+struct unit_head_large {
+ struct unit_head_large* prev;
+ struct unit_head_large* next;
+ struct unit_head unit_head;
+};
+static struct unit_head_large *unit_head_large_first = NULL;
+
+static struct chunk *chunk_first = NULL;
+
+static struct block* block_malloc(void);
+static void block_free(struct block* p);
+static void memmgr_info(void);
+static unsigned int memmgr_usage_bytes = 0;
+
+void* _mmalloc(size_t size, const char *file, int line, const char *func ) {
+ int i;
+ struct block *block;
+ size_t size_hash;
+
+ if (((long) size) < 0) {
+ printf("_mmalloc: %d\n", size);
+ return 0;
+ }
+
+ size_hash = (size+BLOCK_ALIGNMENT-1) / BLOCK_ALIGNMENT;
+ if(size == 0) {
+ return NULL;
+ }
+ memmgr_usage_bytes += size;
+
+ /* ブロック長を超える領域の確保には、malloc() を用いる */
+ /* その際、unit_head.block に NULL を代入して区別する */
+ if(size_hash * BLOCK_ALIGNMENT > BLOCK_DATA_SIZE - sizeof(struct unit_head)) {
+#ifdef MEMWATCH
+ struct unit_head_large* p = (struct unit_head_large*)mwMalloc(sizeof(struct unit_head_large) + size,file,line);
+#else
+ struct unit_head_large* p = (struct unit_head_large*) MALLOC (sizeof(struct unit_head_large) + size);
+#endif
+ if(p != NULL) {
+ p->unit_head.block = NULL;
+ p->unit_head.size = size;
+ p->unit_head.file = file;
+ p->unit_head.line = line;
+ p->prev = NULL;
+ if (unit_head_large_first == NULL)
+ p->next = NULL;
+ else {
+ unit_head_large_first->prev = p;
+ p->next = unit_head_large_first;
+ }
+ unit_head_large_first = p;
+ *(int*)((char*)p + sizeof(struct unit_head_large) - sizeof(int) + size) = 0xdeadbeaf;
+ return (char *)p + sizeof(struct unit_head_large) - sizeof(int);
+ } else {
+ ShowFatalError("Memory manager::memmgr_alloc failed.\n");
+ exit(1);
+ }
+ }
+
+ /* 同一サイズのブロックが確保されていない時、新たに確保する */
+ if(unit_unfill[size_hash] == NULL) {
+ block = block_malloc();
+ if(unit_first[size_hash] == NULL) {
+ /* 初回確保 */
+ unit_first[size_hash] = block;
+ unit_last[size_hash] = block;
+ block->samesize_no = 0;
+ block->samesize_prev = NULL;
+ block->samesize_next = NULL;
+ } else {
+ /* 連結作業 */
+ unit_last[size_hash]->samesize_next = block;
+ block->samesize_no = unit_last[size_hash]->samesize_no + 1;
+ block->samesize_prev = unit_last[size_hash];
+ block->samesize_next = NULL;
+ unit_last[size_hash] = block;
+ }
+ unit_unfill[size_hash] = block;
+ block->unit_size = size_hash * BLOCK_ALIGNMENT + sizeof(struct unit_head);
+ block->unit_count = (int)(BLOCK_DATA_SIZE / block->unit_size);
+ block->unit_used = 0;
+ block->unit_hash = size_hash;
+ /* 未使用Flagを立てる */
+ for(i=0;i<block->unit_count;i++) {
+ ((struct unit_head*)(&block->data[block->unit_size * i]))->block = NULL;
+ }
+ }
+ /* ユニット使用個数加算 */
+ block = unit_unfill[size_hash];
+ block->unit_used++;
+
+ /* ユニット内を全て使い果たした */
+ if(block->unit_count == block->unit_used) {
+ do {
+ unit_unfill[size_hash] = unit_unfill[size_hash]->samesize_next;
+ } while(
+ unit_unfill[size_hash] != NULL &&
+ unit_unfill[size_hash]->unit_count == unit_unfill[size_hash]->unit_used
+ );
+ }
+
+ /* ブロックの中の空きユニット捜索 */
+ for(i=0;i<block->unit_count;i++) {
+ struct unit_head *head = (struct unit_head*)(&block->data[block->unit_size * i]);
+ if(head->block == NULL) {
+ head->block = block;
+ head->size = size;
+ head->line = line;
+ head->file = file;
+ *(int*)((char*)head + sizeof(struct unit_head) - sizeof(int) + size) = 0xdeadbeaf;
+ return (char *)head + sizeof(struct unit_head) - sizeof(int);
+ }
+ }
+ // ここに来てはいけない。
+ ShowFatalError("Memory manager::memmgr_malloc() serious error.\n");
+ memmgr_info();
+ exit(1);
+ return NULL;
+};
+
+void* _mcalloc(size_t num, size_t size, const char *file, int line, const char *func ) {
+ void *p = _mmalloc(num * size,file,line,func);
+ memset(p,0,num * size);
+ return p;
+}
+
+void* _mrealloc(void *memblock, size_t size, const char *file, int line, const char *func ) {
+ size_t old_size;
+ if(memblock == NULL) {
+ return _mmalloc(size,file,line,func);
+ }
+
+ old_size = ((struct unit_head *)((char *)memblock - sizeof(struct unit_head) + sizeof(int)))->size;
+ if(old_size > size) {
+ // サイズ縮小 -> そのまま返す(手抜き)
+ return memblock;
+ } else {
+ // サイズ拡大
+ void *p = _mmalloc(size,file,line,func);
+ if(p != NULL) {
+ memcpy(p,memblock,old_size);
+ }
+ _mfree(memblock,file,line,func);
+ return p;
+ }
+}
+
+char* _mstrdup(const char *p, const char *file, int line, const char *func ) {
+ if(p == NULL) {
+ return NULL;
+ } else {
+ size_t len = strlen(p);
+ char *string = (char *)_mmalloc(len + 1,file,line,func);
+ memcpy(string,p,len+1);
+ return string;
+ }
+}
+
+void _mfree(void *ptr, const char *file, int line, const char *func ) {
+ struct unit_head *head;
+ size_t size_hash;
+
+ if (ptr == NULL)
+ return;
+
+ head = (struct unit_head *)((char *)ptr - sizeof(struct unit_head) + sizeof(int));
+ size_hash = (head->size+BLOCK_ALIGNMENT-1) / BLOCK_ALIGNMENT;
+
+ if(head->block == NULL) {
+ if(size_hash * BLOCK_ALIGNMENT > BLOCK_DATA_SIZE - sizeof(struct unit_head)) {
+ /* malloc() で直に確保された領域 */
+ struct unit_head_large *head_large = (struct unit_head_large *)((char *)ptr - sizeof(struct unit_head_large) + sizeof(int));
+ if(
+ *(int*)((char*)head_large + sizeof(struct unit_head_large) - sizeof(int) + head->size)
+ != 0xdeadbeaf)
+ {
+ ShowError("Memory manager: args of aFree is overflowed pointer %s line %d\n", file, line);
+ }
+ if(head_large->prev) {
+ head_large->prev->next = head_large->next;
+ } else {
+ unit_head_large_first = head_large->next;
+ }
+ if(head_large->next) {
+ head_large->next->prev = head_large->prev;
+ }
+ head->block = NULL;
+ memmgr_usage_bytes -= head->size;
+ FREE (head_large);
+ } else {
+ ShowError("Memory manager: args of aFree is freed pointer %s line %d\n", file, line);
+ }
+ ptr = NULL;
+ return;
+ } else {
+ /* ユニット解放 */
+ struct block *block = head->block;
+ if((unsigned long)block % sizeof(struct block) != 0) {
+ ShowError("Memory manager: args of aFree is not valid pointer %s line %d\n", file, line);
+ } else if(*(int*)((char*)head + sizeof(struct unit_head) - sizeof(int) + head->size) != 0xdeadbeaf) {
+ ShowError("Memory manager: args of aFree is overflowed pointer %s line %d\n", file, line);
+ } else {
+ head->block = NULL;
+ memmgr_usage_bytes -= head->size;
+ if(--block->unit_used == 0) {
+ /* ブロックの解放 */
+ if(unit_unfill[block->unit_hash] == block) {
+ /* 空きユニットに指定されている */
+ do {
+ unit_unfill[block->unit_hash] = unit_unfill[block->unit_hash]->samesize_next;
+ } while(
+ unit_unfill[block->unit_hash] != NULL &&
+ unit_unfill[block->unit_hash]->unit_count == unit_unfill[block->unit_hash]->unit_used
+ );
+ }
+ if(block->samesize_prev == NULL && block->samesize_next == NULL) {
+ /* 独立ブロックの解放 */
+ unit_first[block->unit_hash] = NULL;
+ unit_last[block->unit_hash] = NULL;
+ unit_unfill[block->unit_hash] = NULL;
+ } else if(block->samesize_prev == NULL) {
+ /* 先頭ブロックの解放 */
+ unit_first[block->unit_hash] = block->samesize_next;
+ (block->samesize_next)->samesize_prev = NULL;
+ } else if(block->samesize_next == NULL) {
+ /* 末端ブロックの解放 */
+ unit_last[block->unit_hash] = block->samesize_prev;
+ (block->samesize_prev)->samesize_next = NULL;
+ } else {
+ /* 中間ブロックの解放 */
+ (block->samesize_next)->samesize_prev = block->samesize_prev;
+ (block->samesize_prev)->samesize_next = block->samesize_next;
+ }
+ block_free(block);
+ } else {
+ /* 空きユニットの再設定 */
+ if(
+ unit_unfill[block->unit_hash] == NULL ||
+ unit_unfill[block->unit_hash]->samesize_no > block->samesize_no
+ ) {
+ unit_unfill[block->unit_hash] = block;
+ }
+ }
+ ptr = NULL;
+ }
+ }
+}
+
+/* 現在の状況を表示する */
+static void memmgr_info(void) {
+ int i;
+ struct block *p;
+ ShowInfo("** Memory Manager Information **\n");
+ if(block_first == NULL) {
+ ShowMessage("Uninitialized.\n");
+ return;
+ }
+ ShowMessage(
+ "Blocks: %04u , BlockSize: %06u Byte , Used: %08uKB\n",
+ block_last->block_no+1,sizeof(struct block),
+ (block_last->block_no+1) * sizeof(struct block) / 1024
+ );
+ p = block_first;
+ for(i=0;i<=block_last->block_no;i++) {
+ ShowMessage(" Block #%04u : ",p->block_no);
+ if(p->unit_size == 0) {
+ ShowMessage("unused.\n");
+ } else {
+ ShowMessage(
+ "size: %05u byte. used: %04u/%04u prev:",
+ p->unit_size - sizeof(struct unit_head),p->unit_used,p->unit_count
+ );
+ if(p->samesize_prev == NULL) {
+ ShowMessage("NULL");
+ } else {
+ ShowMessage("%04u",(p->samesize_prev)->block_no);
+ }
+ ShowMessage(" next:");
+ if(p->samesize_next == NULL) {
+ ShowMessage("NULL");
+ } else {
+ ShowMessage("%04u",(p->samesize_next)->block_no);
+ }
+ ShowMessage("\n");
+ }
+ p = p->block_next;
+ }
+}
+
+/* ブロックを確保する */
+static struct block* block_malloc(void) {
+ if(block_unused != NULL) {
+ /* ブロック用の領域は確保済み */
+ struct block* ret = block_unused;
+ do {
+ block_unused = block_unused->block_next;
+ } while(block_unused != NULL && block_unused->unit_size != 0);
+ return ret;
+ } else {
+ /* ブロック用の領域を新たに確保する */
+ int i;
+ int block_no;
+ struct block* p;
+ struct chunk* chunk;
+ char *pb = (char *) CALLOC (sizeof(struct block),BLOCK_ALLOC + 1);
+ if(pb == NULL) {
+ ShowFatalError("Memory manager::block_alloc failed.\n");
+ exit(1);
+ }
+
+ // store original block address in chunk
+ chunk = (struct chunk *) MALLOC (sizeof(struct chunk));
+ if (chunk == NULL) {
+ ShowFatalError("Memory manager::block_alloc failed.\n");
+ exit(1);
+ }
+ chunk->block = pb;
+ chunk->next = (chunk_first) ? chunk_first : NULL;
+ chunk_first = chunk;
+
+ // ブロックのポインタの先頭をsizeof(block) アライメントに揃える
+ // このアドレスをfree() することはないので、直接ポインタを変更している。
+ pb += sizeof(struct block) - ((unsigned long)pb % sizeof(struct block));
+ p = (struct block*)pb;
+ if(block_first == NULL) {
+ /* 初回確保 */
+ block_no = 0;
+ block_first = p;
+ } else {
+ block_no = block_last->block_no + 1;
+ block_last->block_next = p;
+ p->block_prev = block_last;
+ }
+ block_last = &p[BLOCK_ALLOC - 1];
+ /* ブロックを連結させる */
+ for(i=0;i<BLOCK_ALLOC;i++) {
+ if(i != 0) {
+ p[i].block_prev = &p[i-1];
+ }
+ if(i != BLOCK_ALLOC -1) {
+ p[i].block_next = &p[i+1];
+ }
+ p[i].block_no = block_no + i;
+ }
+
+ /* 未使用ブロックへのポインタを更新 */
+ block_unused = &p[1];
+ p->unit_size = 1;
+ return p;
+ }
+}
+
+static void block_free(struct block* p) {
+ /* free() せずに、未使用フラグを付けるだけ */
+ p->unit_size = 0;
+ /* 未使用ポインターを更新する */
+ if(block_unused == NULL) {
+ block_unused = p;
+ } else if(block_unused->block_no > p->block_no) {
+ block_unused = p;
+ }
+}
+
+unsigned int memmgr_usage (void)
+{
+ return memmgr_usage_bytes / 1024;
+}
+
+#ifdef LOG_MEMMGR
+static char memmer_logfile[128];
+static FILE *log_fp;
+
+static void memmgr_log (char *buf)
+{
+ if (!log_fp) {
+ log_fp = fopen(memmer_logfile,"w");
+ if (!log_fp) log_fp = stdout;
+ fprintf(log_fp, "Memory manager: Memory leaks found.\n");
+ }
+ fprintf(log_fp, buf);
+ return;
+}
+#endif
+
+static void memmgr_final (void)
+{
+ struct block *block = block_first;
+ struct chunk *chunk = chunk_first, *chunk2;
+ struct unit_head_large *large = unit_head_large_first, *large2;
+ int i;
+
+#ifdef LOG_MEMMGR
+ int count = 0;
+ char buf[128];
+#endif
+
+ while (block) {
+ if (block->unit_size) {
+ for (i = 0; i < block->unit_count; i++) {
+ struct unit_head *head = (struct unit_head*)(&block->data[block->unit_size * i]);
+ if(head->block != NULL)
+ {
+ #ifdef LOG_MEMMGR
+ sprintf (buf,
+ "%04d : %s line %d size %d\n", ++count,
+ head->file, head->line, head->size);
+ memmgr_log (buf);
+ #endif
+ // get block pointer and free it [celest]
+ _mfree ((char *)head + sizeof(struct unit_head) - sizeof(int), ALC_MARK);
+ }
+ }
+ }
+ //if (block->block_no >= block2->block_no + BLOCK_ALLOC - 1) {
+ // reached a new block array
+ //block = block->block_next;
+
+ /* Okay wise guys... this is how block2 was allocated: [Skotlex]
+ struct block* p;
+ char *pb = (char *) CALLOC (sizeof(struct block),BLOCK_ALLOC + 1);
+ pb += sizeof(struct block) - ((unsigned long)pb % sizeof(struct block));
+ p = (struct block*)pb;
+
+ The reason we get an invalid pointer is that we allocated pb, not p.
+ So how do you get pb when you only have p?
+ The answer is, you can't, because the original pointer was lost when
+ memory-aligning the block. So we either forget this FREE or use a
+ self-reference...
+ Since we are already quitting, it might be ok to just not free the block
+ as it is.
+ */
+ // didn't realise that before o.o -- block chunks are now freed below [celest]
+ // FREE(block2);
+ //block2 = block;
+ //continue;
+ //}
+ block = block->block_next;
+ }
+
+ // free the allocated block chunks
+ chunk = chunk_first;
+ while (chunk) {
+ chunk2 = chunk->next;
+ FREE(chunk->block);
+ FREE(chunk);
+ chunk = chunk2;
+ }
+
+ while(large) {
+ large2 = large->next;
+ #ifdef LOG_MEMMGR
+ sprintf (buf,
+ "%04d : %s line %d size %d\n", ++count,
+ large->unit_head.file, large->unit_head.line, large->unit_head.size);
+ memmgr_log (buf);
+ #endif
+ FREE (large);
+ large = large2;
+ }
+#ifdef LOG_MEMMGR
+ if(count == 0) {
+ ShowInfo("Memory manager: No memory leaks found.\n");
+ } else {
+ ShowWarning("Memory manager: Memory leaks found and fixed.\n");
+ fclose(log_fp);
+ }
+#endif
+ return;
+}
+
+static void memmgr_init (void)
+{
+ #ifdef LOG_MEMMGR
+ sprintf(memmer_logfile, "log/%s.leaks", SERVER_NAME);
+ ShowStatus("Memory manager initialised: "CL_WHITE"%s"CL_RESET"\n", memmer_logfile);
+ #endif
+ return;
+}
+#endif
+
+
+/*======================================
+ * Initialise
+ *--------------------------------------
+ */
+
+unsigned int malloc_usage (void)
+{
+#ifdef USE_MEMMGR
+ return memmgr_usage ();
+#else
+ return 0;
+#endif
+}
+
+void malloc_final (void)
+{
+#ifdef USE_MEMMGR
+ memmgr_final ();
+#endif
+ return;
+}
+
+void malloc_init (void)
+{
+#ifdef USE_MEMMGR
+ memmgr_init ();
+#endif
+ return;
+}