solvespace/win32/w32util.cpp

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#include <windows.h>
#include <stdarg.h>
#include <string.h>
#include <stdio.h>
#include "solvespace.h"
static HANDLE PermHeap, TempHeap;
void dbp(char *str, ...)
{
va_list f;
static char buf[1024*50];
va_start(f, str);
_vsnprintf(buf, sizeof(buf), str, f);
va_end(f);
OutputDebugString(buf);
}
void GetAbsoluteFilename(char *file)
{
char absoluteFile[MAX_PATH];
GetFullPathName(file, sizeof(absoluteFile), absoluteFile, NULL);
strcpy(file, absoluteFile);
}
//-----------------------------------------------------------------------------
// A separate heap, on which we allocate expressions. Maybe a bit faster,
// since no fragmentation issues whatsoever, and it also makes it possible
// to be sloppy with our memory management, and just free everything at once
// at the end.
//-----------------------------------------------------------------------------
void *AllocTemporary(int n)
{
void *v = HeapAlloc(TempHeap, HEAP_NO_SERIALIZE | HEAP_ZERO_MEMORY, n);
if(!v) oops();
return v;
}
void FreeTemporary(void *p) {
HeapFree(TempHeap, HEAP_NO_SERIALIZE, p);
}
void FreeAllTemporary(void)
{
if(TempHeap) HeapDestroy(TempHeap);
TempHeap = HeapCreate(HEAP_NO_SERIALIZE, 1024*1024*20, 0);
// This is a good place to validate, because it gets called fairly
// often.
vl();
}
void *MemRealloc(void *p, int n) {
if(!p) {
return MemAlloc(n);
}
p = HeapReAlloc(PermHeap, HEAP_NO_SERIALIZE | HEAP_ZERO_MEMORY, p, n);
if(!p) oops();
return p;
}
void *MemAlloc(int n) {
void *p = HeapAlloc(PermHeap, HEAP_NO_SERIALIZE | HEAP_ZERO_MEMORY, n);
if(!p) oops();
return p;
}
void MemFree(void *p) {
HeapFree(PermHeap, HEAP_NO_SERIALIZE, p);
}
void vl(void) {
if(!HeapValidate(TempHeap, HEAP_NO_SERIALIZE, NULL)) oops();
if(!HeapValidate(PermHeap, HEAP_NO_SERIALIZE, NULL)) oops();
}
void InitHeaps(void) {
// Create the heap used for long-lived stuff (that gets freed piecewise).
PermHeap = HeapCreate(HEAP_NO_SERIALIZE, 1024*1024*20, 0);
// Create the heap that we use to store Exprs and other temp stuff.
FreeAllTemporary();
}