From: Shamus Hammons <jlhamm@acm.org>
Date: Sat, 20 Mar 2004 19:21:12 +0000 (+0000)
Subject: Minor cleanups
X-Git-Tag: 1.0.7~48
X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f15fce96037da18521fdce80197cde37f56ea40c;p=virtualjaguar

Minor cleanups
---

diff --git a/src/memory.cpp b/src/memory.cpp
index f5bb2ff..e934146 100644
--- a/src/memory.cpp
+++ b/src/memory.cpp
@@ -1,128 +1,145 @@
 //
 // Memory handler
 //
-// by cal2
+// by David Raingeard (Cal2)
 // GCC/SDL port by Niels Wagenaar (Linux/WIN32) and Caz (BeOS)
 // Cleanups by James L. Hammons
 //
 
+#include <malloc.h>
+#include <stdlib.h>
+#include "log.h"
 #include "memory.h"
 
+// Useful structs (for doubly linked list in this case)
+
 typedef struct sMemBlockInfo
 {
-    void * ptr;
-    char * info;
-    UINT32 size;
-    struct sMemBlockInfo * next;
-    struct sMemBlockInfo * prev;
+	void * ptr;
+	char * info;
+	UINT32 size;
+	sMemBlockInfo * next;
+	sMemBlockInfo * prev;
 } sMemBlockInfo;
 
-sMemBlockInfo memoryInfo;
-UINT32 memoryMaxAllocated;
-UINT32 currentAllocatedMemory;
-UINT32 maximumAllocatedMemory;
+// Private global variables
+
+static sMemBlockInfo memoryInfo;
+//static UINT32 memoryMaxAllocated;
+static UINT32 currentAllocatedMemory;
+static UINT32 maximumAllocatedMemory;
 
 
 void memory_addMemInfo(void * ptr, UINT32 size, char * info)
 {
-    sMemBlockInfo * alias;
-
-    alias = &memoryInfo;
-    while (alias->next)
-    	alias=alias->next;
-    alias->next = (sMemBlockInfo *)malloc(sizeof(sMemBlockInfo));
-    if (alias->next == NULL)
-    {
+	sMemBlockInfo * alias = &memoryInfo;
+
+	while (alias->next)
+		alias = alias->next;
+
+	alias->next = (sMemBlockInfo *)malloc(sizeof(sMemBlockInfo));
+
+	if (alias->next == NULL)
+	{
 		exit(0);
-        return;
-    }
-    alias->next->prev = alias;
-    alias = alias->next;
-    alias->next = NULL;
-    alias->size = size;
-    alias->ptr = ptr;
-    alias->info = info;
+		return;
+	}
+
+	alias->next->prev = alias;
+	alias = alias->next;
+	alias->next = NULL;
+	alias->size = size;
+	alias->ptr = ptr;
+	alias->info = info;
 }
 
-void memory_init(void)
+void InitMemory(void)
+{
+	memoryInfo.next = memoryInfo.prev = NULL;
+	currentAllocatedMemory = maximumAllocatedMemory = 0;
+}
+
+void MemoryDone(void)
 {
-    memoryInfo.next = NULL;
-    memoryInfo.prev = NULL;
-    currentAllocatedMemory = 0;
-    maximumAllocatedMemory = 0;
 }
 
 void * memory_malloc(UINT32 size, char * info)
 {
-    void * ptr;
+	void * ptr = (void *)malloc(size);
 
-    ptr = (void *)malloc(size);
-    if (ptr == NULL)
-        return NULL;
+	if (ptr == NULL)
+		return NULL;
 
-    memory_addMemInfo(ptr, size, info);
-    currentAllocatedMemory += size;
+	memory_addMemInfo(ptr, size, info);
+	currentAllocatedMemory += size;
 
-    if (currentAllocatedMemory > maximumAllocatedMemory)
-        maximumAllocatedMemory = currentAllocatedMemory;
+	if (currentAllocatedMemory > maximumAllocatedMemory)
+		maximumAllocatedMemory = currentAllocatedMemory;
 
-    return ptr;
+	return ptr;
 }
 
 void memory_malloc_secure(void ** new_ptr, UINT32 size, char * info)
 {
-    void * ptr;
+	WriteLog("Memory: Allocating %i bytes of memory for <%s>...", size, (info == NULL ? "unknown" : info));
+
+	void * ptr = malloc(size);
 
-    WriteLog("Memory: Allocating %i bytes of memory for <%s>...", size, (info == NULL) ? "unknown" : info);
-    ptr = (void *)malloc(size);
-    if (ptr == NULL)
-    {
+	if (ptr == NULL)
+	{
 		WriteLog("Failed!\n");
 		log_done();
 		exit(0);
-    }
-    memory_addMemInfo(ptr, size, info);
-    currentAllocatedMemory += size;
-    if (currentAllocatedMemory > maximumAllocatedMemory)
-        maximumAllocatedMemory = currentAllocatedMemory;
-    *new_ptr = ptr;
+	}
+
+	memory_addMemInfo(ptr, size, info);
+	currentAllocatedMemory += size;
+
+	if (currentAllocatedMemory > maximumAllocatedMemory)
+		maximumAllocatedMemory = currentAllocatedMemory;
+
+	*new_ptr = ptr;
 	WriteLog("OK\n");
 }
 
-void memory_memoryUsage(FILE * fp)
+void memory_free(void * ptr)
 {
-    sMemBlockInfo * alias;
-    UINT32 total = 0;
-
-    fprintf(fp, "Memory usage:\n");
-    alias = &memoryInfo;
-    alias = alias->next;
-    while (alias)
-    {
-        fprintf(fp, "\t%16i bytes: <%s> (@ %08X)\n", (int)alias->size, alias->info, (unsigned int)alias->ptr);
-        total += alias->size;
-        alias = alias->next;
-    }
-    fprintf(fp, "\n\t%16i bytes total(%i Mb)\n", (int)total, (int)(total >> 20));
-    fprintf(fp, "\n\t%16i bytes memory peak(%i Mb)\n", (int)maximumAllocatedMemory, (int)(maximumAllocatedMemory >> 20));
-}
+//	sMemBlockInfo * alias= &memoryInfo;
+//	alias = alias->next;
+	sMemBlockInfo * alias= memoryInfo.next;
 
-void memory_done(void)
-{
+	while (alias->ptr != ptr)
+		alias = alias->next;
+
+	WriteLog("Memory: Freeing %i bytes from <%s>...\n", (int)alias->size, alias->info);
+
+	free(ptr);
+	currentAllocatedMemory -= alias->size;
+	alias->prev->next = alias->next;
+
+	if (alias->next != NULL)
+		alias->next->prev = alias->prev;
+
+	free(alias);
 }
 
-void memory_free(void * ptr)
+void memory_memoryUsage(FILE * fp)
 {
-    sMemBlockInfo * alias;
-
-    alias = &memoryInfo;
-    alias = alias->next;
-    while (alias->ptr != ptr)
-        alias = alias->next;
-    free(ptr);
-    currentAllocatedMemory -= alias->size;
-    alias->prev->next = alias->next;
-    if (alias->next != NULL)
-        alias->next->prev = alias->prev;
-    free(alias);
+	UINT32 total = 0;
+
+	fprintf(fp, "Memory usage:\n");
+
+//	sMemBlockInfo * alias = &memoryInfo;
+//	alias = alias->next;
+	sMemBlockInfo * alias= memoryInfo.next;
+
+	while (alias)
+	{
+		fprintf(fp, "\t%16i bytes: <%s> (@ %08X)\n", (int)alias->size, alias->info, (unsigned int)alias->ptr);
+		total += alias->size;
+		alias = alias->next;
+	}
+
+	fprintf(fp, "\n\t%16i bytes total(%i Mb)\n", (int)total, (int)(total >> 20));
+	fprintf(fp, "\n\t%16i bytes memory peak(%i Mb)\n", (int)maximumAllocatedMemory, (int)(maximumAllocatedMemory >> 20));
 }