check_dir.h

#ifndef _CHECK_DIR_

#define _CHECK_DIR_

#include

#ifdef__cplusplus

extern "C" {

#endif

#define CHECK_DIR_SIZE (30000)

#define FN_SIZE 1024

typedef struct my_struct

{

char f_name[FN_SIZE];

time_t ctime;

}f_struct,*p_f_struct;

//初始化文件缓冲队列

int neo_init_check_size();

//释放初始化的内存

int neo_close_check_size();

//获取缓冲队列首地址

p_f_struct neo_get_p_head();

//获取缓冲队列尾地址

p_f_struct neo_get_p_end();

//获取下一文件名地址

p_f_struct neo_get_p_next(p_f_struct p);

//显示缓冲区内容

void neo_print_f_name();

//将目录下所有文件名放入队列

int neo_check_dir(char *dir);

//更具key将数组分为两部分

//p_f_struct partion(p_f_struct pstHead,p_f_struct pstLow,p_f_struct pstHigh);

p_f_struct partion(p_f_struct pstHead, p_f_struct pstEnd);

//对扫描到的文件按最后一次修改时间进行排序

//int quick_sort(p_f_struct pstHead, p_f_struct pstLoiw, p_f_struct pstHigh);

void quick_sort(p_f_struct pstHead, p_f_struct pstEnd);

#ifdef__cplusplus

}

#endif

#endif

check_dir.c

#include

//#include

#include

#include

#include

#include

#include

#include "check_dir.h"

static p_f_struct neo_p_head = NULL;

static p_f_struct neo_p_end = NULL;

//初始化文件缓冲队列

int neo_init_check_size()

{

if(neo_p_head != NULL)

return -1;

neo_p_head = (p_f_struct)malloc(sizeof(f_struct) * CHECK_DIR_SIZE);

if(neo_p_head == NULL)

return -1;

memset(neo_p_head,0,sizeof(f_struct) * CHECK_DIR_SIZE);

neo_p_end = neo_p_head;

return 0;

}

//释放初始化的内存

int neo_close_check_size()

{

//p_f_struct p = neo_p_head;

if(neo_p_head != NULL)

{

free(neo_p_head);

neo_p_head = NULL;

neo_p_end = NULL;

return 0;

}

return -1;

}

//获取缓冲队列首地址

p_f_struct neo_get_p_head()

{

if(neo_p_head->f_name[0] == 0)

return NULL;

return neo_p_head;

}

//获取缓冲队列尾地址

p_f_struct neo_get_p_end()

{

if(neo_p_head->f_name[0] == 0)

return NULL;

neo_p_end = neo_p_head;

while((neo_p_end + 1)->f_name[0] != 0)

neo_p_end ++;

return neo_p_end;

}

//获取下一文件名地址

p_f_struct neo_get_p_next(p_f_struct p)

{

p++;

if(p->f_name[0] == 0)

return NULL;

return p;

}

//显示缓冲区内容

void neo_print_f_name()

{

int i = 0;

p_f_struct p = neo_p_head;

while(p->f_name[0] != 0)

{

printf("ctime : [%ld] file name : [%s]\n",p->ctime,p->f_name);

p = p ++;

i ++;

}

printf("sum = %d\n",i);

}

//将目录下所有文件名放入队列

int neo_check_dir(char *dir)

{

DIR * dp;

struct dirent *dent;

struct stat st;

char fn[1024];

//char fn1[1024];

if(neo_p_head == NULL)

{

printf("neo_p_head is NULL,need neo_init_check_size()!");

return;

}

p_f_struct p = neo_p_head;

//p_f_struct q = neo_p_head;

dp = opendir(dir);

if (!dp) {

printf("无法打开文件夹[%s]\n", dir);

return;

}

while ((dent = readdir(dp)) != NULL) {

if (strcmp(dent->d_name, ".") == 0 || strcmp(dent->d_name, "..") == 0) {

continue;

}

//MFLIST *mf;

sprintf(fn, "%s/%s", dir, dent->d_name);

if (stat(fn, &st) == 0) {

if (S_ISDIR(st.st_mode)) {

neo_check_dir(fn);

} else if (S_ISREG(st.st_mode)) {

snprintf(p->f_name,FN_SIZE,"%s",fn);

p->ctime = st.st_ctime;

//neo_p_end = p;

p = p ++;

if(p - neo_p_head >= (CHECK_DIR_SIZE - 1))

return -1;

/*p = (p_f_struct)malloc(sizeof(f_struct));

sprintf(p->f_name,"%s",fn);

p->ctime = st.st_ctime;

if(neo_p_head == NULL)

{

neo_p_head = p;

neo_p_head->next = NULL;

neo_p_head->front = neo_p_head;

continue;

}

if(p->ctime <= neo_p_head->ctime)

{

p->next = neo_p_head;

neo_p_head = p;

neo_p_head->front = neo_p_head;

continue;

}

q = neo_p_head->next;

while(q != NULL)

{

if(p->ctime <= q->ctime)

{

q->front->next = p;

p->next = q;

break;

}

q = q->next;

}

if(q == NULL)

{

q = p;

q->next = NULL;

}*/

}

} else {

printf("can't stat %s\n", fn);

}

}

closedir(dp);

return 0;

}

//更具key将数组分为两部分

p_f_struct partion(p_f_struct pstHead, p_f_struct pstEnd)

{

f_struct temp_struct;

memcpy(&temp_struct, pstHead, sizeof(f_struct));

while(pstHead != pstEnd)

{

while((pstHead < pstEnd) && (pstEnd->ctime >= temp_struct.ctime))

pstEnd --;

if(pstHead < pstEnd){

// printf("%s,%ld\n",pstEnd->f_name,pstEnd->ctime);

memcpy(pstHead, pstEnd, sizeof(f_struct));

pstHead ++;

}

while((pstHead < pstEnd) && (pstHead->ctime <= temp_struct.ctime))

pstHead ++;

if(pstHead < pstEnd){

// printf("%s,%ld\n",pstHead->f_name,pstHead->ctime);

memcpy(pstEnd, pstHead, sizeof(f_struct));

pstEnd --;

}

}

// printf("%s,%ld\n",temp_struct.f_name,temp_struct.ctime);

memcpy(pstHead, &temp_struct, sizeof(f_struct));

return pstHead;

}

//对扫描到的文件按最后一次修改时间进行排序

void quick_sort(p_f_struct pstHead, p_f_struct pstEnd)

{

if(pstHead < pstEnd)

{

p_f_struct temp_Head = pstHead;

p_f_struct temp_End = pstEnd;

p_f_struct pstTemp = partion(temp_Head, temp_End);

quick_sort(pstHead, pstTemp - 1);

quick_sort(pstTemp + 1, pstEnd);

}

}