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36 lines
1.5 KiB
C
36 lines
1.5 KiB
C
#include <sys/statfs.h>
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#include <stdio.h>
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int main(int argc,char **argv)
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{
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struct statfs diskInfo;
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statfs("/bin/about.elf", &diskInfo);
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unsigned long long blocksize1 = diskInfo.f_bsize; //每个block里包含的字节数
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unsigned long long totalsize = blocksize1 * diskInfo.f_blocks;//总的字节数，f_blocks为block的数目
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printf("Total_size=%llu B =%llu KB =%llu MB = %llu GB\n",
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totalsize,totalsize>>10,totalsize>>20, totalsize>>30);
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/* 2.获取一下剩余空间和可用空间的大小 */
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unsigned long long freeDisk = diskInfo.f_bfree * blocksize1; //剩余空间的大小
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unsigned long long availableDisk = diskInfo.f_bavail * blocksize1; //可用空间大小
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printf("Disk_free=%llu MB =%llu GB Disk_available=%llu MB = %llu GB\n",
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freeDisk>>20,freeDisk>>30,availableDisk>>20, availableDisk>>30);
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printf("====================\n");
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printf("diskInfo address: %p\n", diskInfo);
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printf("f_type= %lu\n", diskInfo.f_type);
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printf("f_bsize = %lu\n", diskInfo.f_bsize);
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printf("f_blocks = %d\n", diskInfo.f_blocks);
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printf("f_bfree = %lu\n", diskInfo.f_bfree);
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printf("b_avail = %d\n", diskInfo.f_bavail);
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printf("f_files = %d\n", diskInfo.f_files);
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printf("f_ffree = %lu\n", diskInfo.f_ffree);
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printf("f_fsid = %ld\n", diskInfo.f_fsid);
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printf("f_namelen = %ld\n", diskInfo.f_namelen);
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printf("f_frsize = %ld\n", diskInfo.f_frsize);
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printf("f_flags = %ld\n", diskInfo.f_flags);
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return 0;
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} |