55 lines
1.3 KiB
C
55 lines
1.3 KiB
C
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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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const char* mode_to_string(mode_t mode)
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{
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static char mode_string[12];
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char mode_set[12] = {'s', 'g', 'r', 'w', 'x', 'r', 'w', 'x', 'r', 'w', 'x', 0};
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mode_t mode_val[12] = {S_ISUID, S_ISGID, S_IRUSR, S_IWUSR, S_IXUSR, S_IRGRP,
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S_IWGRP, S_IXGRP, S_IROTH, S_IWOTH, S_IXOTH, S_IFMT};
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for (int i = 0; i < 12; i++)
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{
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if (mode & mode_val[i]) mode_string[i] = mode_set[i];
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else
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mode_string[i] = '-';
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}
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return mode_string;
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}
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int main(int argc, char** argv)
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{
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if (argc == 1)
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{
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fprintf(stderr, "Usage: stat [file]\n");
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return EXIT_FAILURE;
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}
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struct stat st;
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if (stat(argv[1], &st) < 0)
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{
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perror("stat");
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return EXIT_FAILURE;
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}
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printf("Type: ");
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switch (st.st_mode & S_IFMT)
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{
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case S_IFREG: puts("Regular file"); break;
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case S_IFDIR: puts("Directory"); break;
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case S_IFCHR: puts("Character device"); break;
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default: puts("Unknown"); break;
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}
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printf("Length: %ld\n", st.st_size);
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printf("Inode: %ld\n", st.st_ino);
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printf("UID: %d\n", st.st_uid);
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printf("GID: %d\n", st.st_gid);
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printf("Mode: %s\n", mode_to_string(st.st_mode));
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return EXIT_SUCCESS;
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}
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