目录扫描 - 曲径通幽论坛

01 #include <unistd.h>
02 #include <stdio.h>
03 #include <dirent.h>
04 #include <string.h>
05 #include <sys/stat.h>
06 #include <stdlib.h>
07
08
09 void printdir(char *dir, int depth)
10 {
11         DIR *dp;
12         struct dirent *entry;
13         struct stat statbuf;
14
15         if( (dp = opendir(dir)) == NULL ) {
16                 fprintf(stderr, "cannot open directory: %s\n", dir);
17                 return;
18         }
19
20         chdir(dir);
21
22         while((entry = readdir(dp)) != NULL) {
23                 lstat(entry->d_name, &statbuf);
24                 if(S_ISDIR(statbuf.st_mode)) {
25                         /* Found a directory, but ignore . and .. */
26                 if(strcmp(".",entry->d_name) == 0 ||
27                    strcmp("..",entry->d_name) == 0 )
28                 continue;
29
30                 printf("%*s%s/\n",depth, "", entry->d_name);
31
32                 /* Recurse at a new indent level */
33
34                 printdir(entry->d_name,depth+4);
35         }
36
37                 else printf("%*s%s\n",depth,"",entry->d_name);
38         }
39
40         chdir("..");
41         closedir(dp);
42 }
43
44
45
46 int main()
47 {
48         printf("Directory scan of /root/C:\n");
49         printdir("/root/C",0);
50         printf("done.\n");
51
52         exit(0);
53
54 }

01 int main(int argc, char *argv[])
02 {
03         char *topdir = ".";
04         if(argc >= 2)
05                 topdir = argv[1];
06
07         printf("Directory scan of %s:\\n",topdir);
08         printdir("tipdir",0);
09         printf("done.\\n");
10
11         exit(0);
12
13 }