巨大八爪鱼
武林盟主 二十一级
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Floor 1
Posted at: 3/26/16 11:52
【程序1】
#include "stdafx.h"
#include <Windows.h>
#include <stdio.h>
void wait(char *str)
{
char ch;
do
{
while (*str != '\0')
putchar(*str++);
ch = getchar();
fflush(stdin);
} while (ch != 'y');
}
int _tmain(int argc, _TCHAR* argv[])
{
HANDLE hMap = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, 100, TEXT("Hello World"));
LPSTR lpStr = (LPSTR)MapViewOfFile(hMap, FILE_MAP_ALL_ACCESS, 0, 0, 100);
puts("请输入一段文字: ");
gets_s(lpStr, 100);
wait("请输入y显示内存内容: ");
puts(lpStr);
wait("请输入y关闭映射: ");
UnmapViewOfFile(lpStr);
CloseHandle(hMap);
return 0;
}
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巨大八爪鱼
武林盟主 二十一级
|
Floor 2
Posted at: 3/26/16 11:52
【程序2】
#include "stdafx.h"
#include <Windows.h>
#include <stdio.h>
void wait(char *str)
{
char ch;
do
{
while (*str != '\0')
putchar(*str++);
ch = getchar();
fflush(stdin);
} while (ch != 'y');
}
int _tmain(int argc, _TCHAR* argv[])
{
HANDLE hMapFile = OpenFileMapping(PAGE_READONLY, FALSE, TEXT("Hello World"));
if (hMapFile == NULL)
{
puts("文件映射不存在");
return 0;
}
LPSTR lpStr = (LPSTR)MapViewOfFile(hMapFile, FILE_MAP_ALL_ACCESS, 0, 0, 100);
puts(lpStr);
puts("将内容修改为: ");
gets_s(lpStr, 100);
UnmapViewOfFile(lpStr);
CloseHandle(hMapFile);
return 0;
}
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