訪問檔案資訊 fstat和stat用法
阿新 • • 發佈:2019-01-05
#include <unistd.h> #include <fcntl.h> #include <sys/stat.h> #include <sys/types.h> #include <stdio.h> #include <stdlib.h> int main(int argc, char* argv[]){ //fd - fstat int fd = open("./draft1.txt", O_WRONLY); struct stat s1; fstat(fd, &s1); printf("s1.st_size = %d \n", s1.st_size); close(fd); //path - stat struct stat s2; const char* file_path = "./draft2.txt"; stat(file_path, &s2); printf("s2.st_atime = %d, s2.st_ctime = %d, s2.st_uid = %d, s2.st_size = %d \n", s2.st_atime, s2.st_ctime, s2.st_uid, s2.st_size); int modes = s2.st_mode; if(!S_ISDIR(modes) && (modes& S_IRWXU) != S_IXUSR){ printf("NOT ixusr\n"); } exit(0); }