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34 lines
1.2 KiB
C
34 lines
1.2 KiB
C
#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <unistd.h>
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int main()
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{
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int fd = open("/bin/about.elf", O_RDONLY);
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if (fd == -1)
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return 0;
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printf("fd = %d\n", fd);
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struct stat *st = (struct stat *)malloc(sizeof(struct stat));
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fstat(fd, st);
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printf("stat size = %lu\n", sizeof(struct stat));
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// FIXME 打印数据时内存出错
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printf("====================\n");
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printf("st address: %p\n", st);
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printf("st_dev = %lu\n", (*st).st_dev);
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printf("st_ino = %lu\n", (*st).st_ino);
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printf("st_mode = %d\n", (*st).st_mode);
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printf("st_nlink = %lu\n", (*st).st_nlink);
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printf("st_uid = %d\n", (*st).st_uid);
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printf("st_gid = %d\n", (*st).st_gid);
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printf("st_rdev = %lu\n", (*st).st_rdev);
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printf("st_size = %ld\n", (*st).st_size);
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printf("st_blksize = %ld\n", (*st).st_blksize);
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printf("st_blocks = %ld\n", (*st).st_blocks);
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printf("st_atim.sec= %ld\tst_atim.nsec= %ld\n", (*st).st_atim.tv_sec, (*st).st_atim.tv_nsec);
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printf("st_mtim.sec= %ld\tst_mtim.nsec= %ld\n", (*st).st_mtim.tv_sec, (*st).st_mtim.tv_nsec);
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printf("st_ctim.sec= %ld\tst_ctim.nsec= %ld\n", (*st).st_ctim.tv_sec, (*st).st_ctim.tv_nsec);
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return 0;
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} |