1 #include <sys/statfs.h>
2 #include <stdio.h>
3
main(int argc,char ** argv)4 int main(int argc,char **argv)
5 {
6 struct statfs diskInfo;
7
8
9 statfs("/bin/about.elf", &diskInfo);
10 unsigned long long blocksize1 = diskInfo.f_bsize; //每个block里包含的字节数
11 unsigned long long totalsize = blocksize1 * diskInfo.f_blocks;//总的字节数,f_blocks为block的数目
12 printf("Total_size=%llu B =%llu KB =%llu MB = %llu GB\n",
13 totalsize,totalsize>>10,totalsize>>20, totalsize>>30);
14
15 /* 2.获取一下剩余空间和可用空间的大小 */
16 unsigned long long freeDisk = diskInfo.f_bfree * blocksize1; //剩余空间的大小
17 unsigned long long availableDisk = diskInfo.f_bavail * blocksize1; //可用空间大小
18 printf("Disk_free=%llu MB =%llu GB Disk_available=%llu MB = %llu GB\n",
19 freeDisk>>20,freeDisk>>30,availableDisk>>20, availableDisk>>30);
20
21
22 printf("====================\n");
23 printf("diskInfo address: %p\n", diskInfo);
24 printf("f_type= %lu\n", diskInfo.f_type);
25 printf("f_bsize = %lu\n", diskInfo.f_bsize);
26 printf("f_blocks = %d\n", diskInfo.f_blocks);
27 printf("f_bfree = %lu\n", diskInfo.f_bfree);
28 printf("b_avail = %d\n", diskInfo.f_bavail);
29 printf("f_files = %d\n", diskInfo.f_files);
30 printf("f_ffree = %lu\n", diskInfo.f_ffree);
31 printf("f_fsid = %ld\n", diskInfo.f_fsid);
32 printf("f_namelen = %ld\n", diskInfo.f_namelen);
33 printf("f_frsize = %ld\n", diskInfo.f_frsize);
34 printf("f_flags = %ld\n", diskInfo.f_flags);
35 return 0;
36 }