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stat: Print a more coreutils-y output

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This commit is contained in:
K. Lange 2021-12-08 15:55:56 +09:00
parent 145478b595
commit 7619fce256
1 changed files with 35 additions and 20 deletions
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55
apps/stat.c
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@ -14,6 +14,7 @@
#include <string.h> #include <string.h>
#include <unistd.h> #include <unistd.h>
#include <errno.h> #include <errno.h>
#include <time.h>
#include <sys/stat.h> #include <sys/stat.h>
#include <sys/time.h> #include <sys/time.h>
@ -52,30 +53,44 @@ static int stat_file(char * file) {
if (quiet) return 0; if (quiet) return 0;
printf("0x%x bytes\n", (unsigned int)_stat.st_size); const char * file_type = "regular file";
if (S_ISDIR(_stat.st_mode)) file_type = "directory";
if (S_ISDIR(_stat.st_mode)) { else if (S_ISFIFO(_stat.st_mode)) file_type = "fifo";
printf("Is a directory.\n"); else if (S_ISLNK(_stat.st_mode)) file_type = "symbolic link";
} else if (S_ISFIFO(_stat.st_mode)) { else if (S_ISBLK(_stat.st_mode)) file_type = "block device";
printf("Is a pipe.\n"); else if (S_ISCHR(_stat.st_mode)) file_type = "character device";
} else if (S_ISLNK(_stat.st_mode)) {
printf("Is a symlink.\n");
} else if (_stat.st_mode & 0111) {
printf("Is executable.\n");
}
struct stat * f = &_stat; struct stat * f = &_stat;
printf("st_dev 0x%x %d\n", (unsigned int)f->st_dev , (unsigned int)sizeof(f->st_dev )); printf(" File: %s\n", file);
printf("st_ino 0x%x %d\n", (unsigned int)f->st_ino , (unsigned int)sizeof(f->st_ino )); /* TODO: st_blocks is not being set, skip it */
printf("st_mode 0x%x %d\n", (unsigned int)f->st_mode , (unsigned int)sizeof(f->st_mode )); printf(" Size: %-10lu %s\n", f->st_size, file_type);
printf("st_nlink 0x%x %d\n", (unsigned int)f->st_nlink , (unsigned int)sizeof(f->st_nlink )); printf("Device: %-10u Inode: %-10u Links: %u\n", f->st_dev, f->st_ino, f->st_nlink);
printf("st_uid 0x%x %d\n", (unsigned int)f->st_uid , (unsigned int)sizeof(f->st_uid )); printf("Access: ");
printf("st_gid 0x%x %d\n", (unsigned int)f->st_gid , (unsigned int)sizeof(f->st_gid )); /* Copied from apps/ls.c */
printf("st_rdev 0x%x %d\n", (unsigned int)f->st_rdev , (unsigned int)sizeof(f->st_rdev )); if (S_ISLNK(f->st_mode)) { printf("l"); }
printf("st_size 0x%x %d\n", (unsigned int)f->st_size , (unsigned int)sizeof(f->st_size )); else if (S_ISCHR(f->st_mode)) { printf("c"); }
else if (S_ISBLK(f->st_mode)) { printf("b"); }
else if (S_ISDIR(f->st_mode)) { printf("d"); }
else { printf("-"); }
printf( (f->st_mode & S_IRUSR) ? "r" : "-");
printf( (f->st_mode & S_IWUSR) ? "w" : "-");
printf( (f->st_mode & S_ISUID) ? "s" : ((f->st_mode & S_IXUSR) ? "x" : "-"));
printf( (f->st_mode & S_IRGRP) ? "r" : "-");
printf( (f->st_mode & S_IWGRP) ? "w" : "-");
printf( (f->st_mode & S_IXGRP) ? "x" : "-");
printf( (f->st_mode & S_IROTH) ? "r" : "-");
printf( (f->st_mode & S_IWOTH) ? "w" : "-");
printf( (f->st_mode & S_IXOTH) ? "x" : "-");
printf(" Uid: %-8u Gid: %-8u\n", f->st_uid, f->st_gid);
printf("0x%x\n", (unsigned int)((uint32_t *)f)[0]); char time_buf[80];
strftime(time_buf, 80, "%c", localtime((time_t*)&f->st_atime));
printf("Access: %s\n", time_buf);
strftime(time_buf, 80, "%c", localtime((time_t*)&f->st_mtime));
printf("Modify: %s\n", time_buf);
strftime(time_buf, 80, "%c", localtime((time_t*)&f->st_ctime));
printf("Change: %s\n", time_buf);
return 0; return 0;