41 lines
643 B
C
41 lines
643 B
C
#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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// !!! 不是int
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static off_t flen(char *fname)
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{
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struct stat statres;
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if (stat(fname, &statres) < 0)
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{
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perror("stat()");
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exit(1);
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}
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return statres.st_size;
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}
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/**
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* @brief 获取文件大小
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* @details
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* Usage: ./flen filename
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*
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* @param argc
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* @param argv
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* @return int
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*/
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int main(int argc, char **argv)
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{
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if (argc < 2)
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{
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fprintf(stderr, "Usage:...\n");
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exit(1);
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}
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// !!! 通过makefile指定off_t 64位
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printf("%lld\n", flen(argv[1]));
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exit(0);
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} |