/* stat.c : display file or file system status * anand.sinha85@gmail.com * Copyright 2012 USE_STAT(NEWTOY(stat, "c:f", TOYFLAG_BIN)) config STAT bool stat default n help usage: stat [-f] [-c FORMAT] FILE... display file or file system status -f display file system status instead of file status -c use the specified FORMAT instead of the default; output a newline after each use of FORMAT The valid format sequences for files: %a Access rights in octal %A Access rights in human readable form %b Number of blocks allocated %B The size in bytes of each block %d Device number in decimal %D Device number in hex %f Raw mode in hex %F File type %g Group ID of owner %G Group name of owner %h Number of hard links %i Inode number %n File name %N Quoted file name with dereference if symbolic link %o I/O block size %s Total size, in bytes %u User ID of owner %U User name of owner %x Time of last access %X Time of last access as seconds since Epoch %y Time of last modification %Y Time of last modification as seconds since Epoch %z Time of last change %Z Time of last change as seconds since Epoch The valid format sequences for file systems: %a Available blocks for unpriviledges user %b Total number of blocks %c Total number of inodes %d Number of free inodes %f Number of free blocks %i File system ID %l Maximum length of file names %n File name %s Fragment size %S Optimal transfer block size %t File system type */ #define FOR_stat #include "toys.h" GLOBALS( char *fmt; void *stat; char *file_type; struct passwd *user_name; struct group *group_name; char access_str[11]; ) static char * date_stat_format(time_t time) { static char buf[36]; strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S.000000000", localtime(&time)); return buf; } static int print_stat(char type) { struct stat *stat = (struct stat*)TT.stat; switch (type) { case 'a': xprintf("%04lo", stat->st_mode & ~S_IFMT); break; case 'A': xprintf("%s", TT.access_str); break; case 'b': xprintf("%llu", stat->st_blocks); break; case 'B': xprintf("%lu", stat->st_blksize); break; case 'd': xprintf("%ldd", stat->st_dev); break; case 'D': xprintf("%llxh", stat->st_dev); break; case 'f': xprintf("%lx", stat->st_mode); break; case 'F': xprintf("%s", TT.file_type); break; case 'g': xprintf("%lu", stat->st_gid); break; case 'G': xprintf("%8s", TT.user_name->pw_name); break; case 'h': xprintf("%lu", stat->st_nlink); break; case 'i': xprintf("%llu", stat->st_ino); break; case 'N': xprintf("`%s'", *toys.optargs); break; case 'o': xprintf("%lu", stat->st_blksize); break; case 's': xprintf("%llu", stat->st_size); break; case 'u': xprintf("%lu", stat->st_uid); break; case 'U': xprintf("%8s", TT.user_name->pw_name); break; case 'x': xprintf("%s", date_stat_format(stat->st_atime)); break; case 'X': xprintf("%llu", stat->st_atime); break; case 'y': xprintf("%s", date_stat_format(stat->st_mtime)); break; case 'Y': xprintf("%llu", stat->st_mtime); break; case 'z': xprintf("%s", date_stat_format(stat->st_ctime)); break; case 'Z': xprintf("%llu", stat->st_ctime); break; default: return 1; } return 0; } static int print_statfs(char type) { struct statfs *statfs = (struct statfs*)TT.stat; switch (type) { case 'a': xprintf("%lu", statfs->f_bavail); break; case 'b': xprintf("%lu", statfs->f_blocks); break; case 'c': xprintf("%lu", statfs->f_files); break; case 'd': xprintf("%lu", statfs->f_ffree); break; case 'f': xprintf("%lu", statfs->f_bfree); break; case 'i': xprintf("%x%x", statfs->f_fsid.__val[0], statfs->f_fsid.__val[1]); break; case 'l': xprintf("%ld", statfs->f_namelen); break; case 's': xprintf("%d", statfs->f_frsize); break; case 'S': xprintf("%d", statfs->f_bsize); break; case 't': xprintf("%lx", statfs->f_type); break; default: return 1; } return 0; } static int do_stat(char *path) { struct stat *statf = (struct stat*)TT.stat; size_t i; struct { mode_t mode; char *str; } types[] = { {S_IFDIR, "directory"}, {S_IFCHR, "character device"}, {S_IFBLK, "block device"}, {S_IFREG, "regular file"}, {S_IFIFO, "FIFO (named pipe)"}, {S_IFLNK, "symbolic link"}, {S_IFSOCK, "socket"} }; if (stat(path, statf) < 0) return 1; for (i = 0; i < sizeof(types)/sizeof(*types); i++) if ((statf->st_mode & S_IFMT) == types[i].mode) TT.file_type = types[i].str; if (!statf->st_size && (statf->st_mode & S_IFMT) == S_IFREG) TT.file_type = "regular empty file"; // check user and group name TT.user_name = getpwuid(statf->st_uid); TT.group_name = getgrgid(statf->st_gid); // function to get access in human readable format format_mode(&TT.access_str, statf->st_mode); return 0; } static int do_statfs(char *path) { return statfs(path, TT.stat) < 0; } void stat_main(void) { struct { char *fmt; int (*do_it)(char*); int (*print_it)(char); size_t size; } d, ds[2] = { {" File: %N\n" " Size: %s\t Blocks: %b\t IO Blocks: %B\t%F\n" "Device: %D\t Inode: %i\t Links: %h\n" "Access: (%a/%A)\tUid: (%u/%U)\tGid: (%g/%G)\n" "Access: %x\nModify: %y\nChange: %z", do_stat, print_stat, sizeof(struct stat)}, {" File: \"%n\"\n" " ID: %i Namelen: %l Type: %t\n" "Block Size: %s Fundamental block size: %S\n" "Blocks: Total: %b\tFree: %f\tAvailable: %a\n" "Inodes: Total: %c\tFree: %d", do_statfs, print_statfs, sizeof(struct statfs)} }; d = ds[toys.optflags & FLAG_f]; TT.stat = xmalloc(d.size); if (toys.optflags & FLAG_c) d.fmt = TT.fmt; for (; *toys.optargs; toys.optargs++) { char *format = d.fmt; if (d.do_it(*toys.optargs)) { perror_msg("'%s'", *toys.optargs); continue; } for (; *format; format++) { if (*format != '%') { xputc(*format); continue; } format++; if (*format == 'n') xprintf("%s", *toys.optargs); else if (d.print_it(*format)) xputc(*format); } xputc('\n'); } if(CFG_TOYBOX_FREE) free(TT.stat); }