模拟mkdir

#include <sys/stat.h>
#include <sys/types.h>
#include <time.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

int IsDir(char * pathname);

int main(int argc, char ** argv)
{
    int iRet = -1;

    char path[128];

    printf("1*********************************\n");

    memset(path, 0, sizeof(path));
    strcpy(path, "/home/eas/src/API_fun/goldlog");
    iRet = IsDir(path);
    printf("iRet = [%d]\n", iRet);
    if(iRet == 0)
    {
        printf("[%s] : 是目录文件！\n", path);
    }
    else
    {
        printf("[%s] : 不是目录文件！\n", path);
        mkdir(path, 0777);
    }

    printf("2*********************************\n");

    memset(path, 0, sizeof(path));
    strcpy(path, "/home/eas/src/API_fun/goldlog");
    iRet = IsDir(path);
    printf("iRet = [%d]\n", iRet);
    if(iRet == 0)
    {
        printf("[%s] : 是目录文件！\n", path);
    }
    else
    {
        printf("[%s] : 不是目录文件！\n", path);
    }

    printf("3*********************************\n");

    memset(path, 0, sizeof(path));
    strcpy(path, "/home/eas/src/API_fun/goldlog/20140124");
    iRet = IsDir(path);
    printf("iRet = [%d]\n", iRet);
    if(iRet == 0)
    {
        printf("[%s] : 是目录文件！\n", path);
    }
    else
    {
        printf("[%s] : 不是目录文件！\n", path);
        mkdir(path, 0777);
    }

    printf("4*********************************\n");

    memset(path, 0, sizeof(path));
    strcpy(path, "/home/eas/src/API_fun/goldlog/20140124");
    iRet = IsDir(path);
    printf("iRet = [%d]\n", iRet);
    if(iRet == 0)
    {
        printf("[%s] : 是目录文件！\n", path);
    }
    else
    {
        printf("[%s] : 不是目录文件！\n", path);
    }

    printf("5*********************************\n");

    return 0;
}

/***********************************************************
 * 函    数: IsDir()
 * 功能描述: 判断目录文件是否存在
 * 输入参数：pathname    -    长文件名
 * 返    回：0-目录文件存在;1-目录文件不存在
 * 流程描述：
 *    说    明：
 * 修改记录:
 * [修改人] [日期] – [描述]
***********************************************************/
int IsDir(char * pathname)
{
    struct stat statbuf;
    memset(&statbuf,0,sizeof(statbuf));
    stat(pathname, &statbuf);
    printf("st_mode = [%o]\n", statbuf.st_mode);
    int iRet = statbuf.st_mode & S_IFDIR;
    printf("iRet = [%o]\n", iRet);
    printf("iRet = [%d]\n", iRet);
    if(iRet > 0)
        return 0;
    else
        return 1;
}