54 lines
1.2 KiB
C
54 lines
1.2 KiB
C
/*
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* cat
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*/
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#include <stdio.h>
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#include <sys/stat.h>
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#include <syscall.h>
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#include <stdint.h>
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int main(int argc, char ** argv) {
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if (argc < 2) {
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fprintf(stderr,"%s: expected argument\n", argv[0]);
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return 1;
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}
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FILE * fd = stdin;
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fd = fopen(argv[1], "r");
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if (!fd) {
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return 1;
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}
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fclose(fd);
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struct stat _stat;
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stat(argv[1], &_stat);
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printf("0x%x bytes\n", _stat.st_size);
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if (S_ISDIR(_stat.st_mode)) {
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printf("Is a directory.\n");
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} else if (S_ISFIFO(_stat.st_mode)) {
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printf("Is a pipe.\n");
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} else if (_stat.st_mode & 0111) {
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printf("Is executable.\n");
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}
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struct stat * f = &_stat;
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printf("st_mode 0x%x %d\n", (uint32_t)f->st_mode , sizeof(f->st_mode ));
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printf("st_nlink 0x%x %d\n", (uint32_t)f->st_nlink , sizeof(f->st_nlink ));
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printf("st_uid 0x%x %d\n", (uint32_t)f->st_uid , sizeof(f->st_uid ));
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printf("st_gid 0x%x %d\n", (uint32_t)f->st_gid , sizeof(f->st_gid ));
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printf("st_rdev 0x%x %d\n", (uint32_t)f->st_rdev , sizeof(f->st_rdev ));
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printf("st_size 0x%x %d\n", (uint32_t)f->st_size , sizeof(f->st_size ));
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printf("0x%x\n", ((uint32_t *)f)[0]);
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return 0;
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}
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/*
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* vim:tabstop=4
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* vim:noexpandtab
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* vim:shiftwidth=4
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*/
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