diff options
| -rw-r--r-- | toys/pending/stat.c | 327 |
1 files changed, 149 insertions, 178 deletions
diff --git a/toys/pending/stat.c b/toys/pending/stat.c index 6781e53b..4ce2548b 100644 --- a/toys/pending/stat.c +++ b/toys/pending/stat.c @@ -2,7 +2,7 @@ * anand.sinha85@gmail.com * Copyright 2012 <warior.linux@gmail.com> -USE_STAT(NEWTOY(stat, "LZfc", TOYFLAG_BIN)) +USE_STAT(NEWTOY(stat, "LZc:f", TOYFLAG_BIN)) config STAT bool stat @@ -48,48 +48,28 @@ config STAT #define FOR_stat #include "toys.h" -#define SIZE_DATE_TIME_STAT 36 -#define access_string(x, s, i) if((x&7) & 1) \ - s[9 - i * 3] = 'x'; \ - else \ - s[9 - i * 3] = '-'; \ - if(((x&7) >> 1) & 1) \ - s[9 - (i * 3 + 1)] = 'w'; \ - else \ - s[9 - (i * 3 + 1)] = '-'; \ - if(((x&7) >> 2) & 1) \ - s[9 - (i * 3 + 2)] = 'r'; \ - else \ - s[9 - (i * 3 + 2)] = '-'; - -static char *check_type_file(mode_t, size_t); -static char *get_access_str(unsigned long, mode_t); -static char *date_stat_format(time_t ); -inline void print_stat_format(char *, int); - GLOBALS( + char *fmt; char *access_str; char *file_type; struct passwd *user_name; struct group *group_name; - struct tm *time_toy; struct stat *toystat; struct statfs *toystatfs; - int toy_obj_file_arg; ) static void do_stat(const char * file_name) { TT.toystat = xmalloc(sizeof(struct stat)); - if (stat(file_name, TT.toystat) < 0) perror_msg("stat: '%s'", file_name); + if (stat(file_name, TT.toystat) < 0) perror_exit("stat: '%s'", file_name); } static void do_statfs(const char * file_name) { TT.toystatfs = xmalloc(sizeof(struct statfs)); if (statfs(file_name, TT.toystatfs) < 0) - perror_msg("statfs: '%s'", file_name); + perror_exit("statfs: '%s'", file_name); } static char * check_type_file(mode_t mode, size_t size) @@ -106,15 +86,20 @@ static char * check_type_file(mode_t mode, size_t size) if (S_ISSOCK(mode)) return "socket"; } -static char * get_access_str(unsigned long pernission, mode_t mode) +static char * get_access_str(unsigned long permission, mode_t mode) { - static char access_string[10]; - int i; + static char access_string[11]; + char *s = access_string; + char *rwx[] = {"---", "--x", "-w-", "-wx", + "r--", "r-x", "rw-", "rwx"}; + + if (S_ISDIR(mode)) *s = 'd'; + else *s = '-'; - if (S_ISDIR(mode)) access_string[0] = 'd'; - else access_string[0] = '-'; - for (i = 0; i < 3; i++) - access_string(pernission >> (i * 3) & 7, access_string, i); + for (s += 7; s > access_string; s-=3) { + memcpy(s, rwx[permission & 7], 3); + permission >>= 3; + } access_string[10] = '\0'; return access_string; @@ -122,166 +107,152 @@ static char * get_access_str(unsigned long pernission, mode_t mode) static char * date_stat_format(time_t time) { - static char buf[SIZE_DATE_TIME_STAT]; + static char buf[36]; strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S.000000000", localtime(&time)); return buf; } -inline void print_stat_format(char *format, int flag) +static void print_stat_format(char *format, int flag) { - format++; - switch (*format) { - case 'a': - if (flag) xprintf("%lu\n", TT.toystatfs->f_bavail); - else xprintf("%04lo\n",TT.toystat->st_mode & (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO)); - break; - case 'A': - xprintf("%s\n",TT.access_str); - break; - case 'b': - if (flag) xprintf("%lu\n", TT.toystatfs->f_blocks); - else xprintf("%llu\n", TT.toystat->st_blocks); - break; - case 'B': - xprintf("%lu\n", TT.toystat->st_blksize); - break; - case 'c': - if (flag) xprintf("%lu\n", TT.toystatfs->f_files); - break; - case 'C': - xprintf("Currently feature is not supported\n"); - break; - case 'd': - if (flag) xprintf("%lu\n", TT.toystatfs->f_ffree); - else xprintf("%ldd\n", TT.toystat->st_dev); - break; - case 'D': - xprintf("%llxh\n", TT.toystat->st_dev); - break; - case 'f': - if (flag) xprintf("%lu\n", TT.toystatfs->f_bfree); - else xprintf("%lx\n", TT.toystat->st_mode); - break; - case 'F': - xprintf("%s\n", TT.file_type); - break; - case 'g': - xprintf("%lu\n", TT.toystat->st_uid); - break; - case 'G': - xprintf("%8s\n", TT.user_name->pw_name); - break; - case 'h': - xprintf("%lu\n", TT.toystat->st_nlink); - break; - case 'i': - if (flag) - xprintf("%d%d\n", TT.toystatfs->f_fsid.__val[0], TT.toystatfs->f_fsid.__val[1]); - else xprintf("%llu\n", TT.toystat->st_ino); - break; - case 'l': - if (flag) xprintf("need to implement\n"); - break; - case 'n': - xprintf("%s\n", toys.optargs[TT.toy_obj_file_arg]); - break; - case 'N': - xprintf("`%s\n'", toys.optargs[TT.toy_obj_file_arg]); - break; - case 'o': - xprintf("%lu\n", TT.toystat->st_blksize); - break; - case 's': - if (flag) xprintf("%d\n", TT.toystatfs->f_frsize); - else xprintf("%llu\n", TT.toystat->st_size); - break; - case 'S': - if (flag) xprintf("%d\n", TT.toystatfs->f_bsize); - break; - case 't': - if (flag) xprintf("%lx\n", TT.toystatfs->f_type); - break; - case 'T': - if (flag) xprintf("Needs to be implemented\n"); - break; - case 'u': - xprintf("%lu\n", TT.toystat->st_uid); - break; - case 'U': - xprintf("%8s\n", TT.user_name->pw_name); - break; - case 'x': - xprintf("%s\n", date_stat_format(TT.toystat->st_atime)); - break; - case 'X': - xprintf("%llu\n", TT.toystat->st_atime); - break; - case 'y': - xprintf("%s\n", date_stat_format(TT.toystat->st_mtime)); - break; - case 'Y': - xprintf("%llu\n", TT.toystat->st_mtime); - break; - case 'z': - xprintf("%s\n", date_stat_format(TT.toystat->st_ctime)); - break; - case 'Z': - xprintf("%llu\n", TT.toystat->st_ctime); - default: - xprintf("%c\n", *format); - break; + for (; *format; format++) { + if (*format != '%') { + xprintf("%c", *format); + continue; + } + format++; + switch (*format) { + case 'a': + if (flag) xprintf("%lu", TT.toystatfs->f_bavail); + else xprintf("%04lo",TT.toystat->st_mode & ~S_IFMT); + break; + case 'A': + xprintf("%s",TT.access_str); + break; + case 'b': + if (flag) xprintf("%lu", TT.toystatfs->f_blocks); + else xprintf("%llu", TT.toystat->st_blocks); + break; + case 'B': + xprintf("%lu", TT.toystat->st_blksize); + break; + case 'c': + if (flag) xprintf("%lu", TT.toystatfs->f_files); + break; + case 'C': + xprintf("Currently feature is not supported"); + break; + case 'd': + if (flag) xprintf("%lu", TT.toystatfs->f_ffree); + else xprintf("%ldd", TT.toystat->st_dev); + break; + case 'D': + xprintf("%llxh", TT.toystat->st_dev); + break; + case 'f': + if (flag) xprintf("%lu", TT.toystatfs->f_bfree); + else xprintf("%lx", TT.toystat->st_mode); + break; + case 'F': + xprintf("%s", TT.file_type); + break; + case 'g': + xprintf("%lu", TT.toystat->st_uid); + break; + case 'G': + xprintf("%8s", TT.user_name->pw_name); + break; + case 'h': + xprintf("%lu", TT.toystat->st_nlink); + break; + case 'i': + if (flag) + xprintf("%d%d", TT.toystatfs->f_fsid.__val[0], TT.toystatfs->f_fsid.__val[1]); + else xprintf("%llu", TT.toystat->st_ino); + break; + case 'l': + if (flag) xprintf("%ld", TT.toystatfs->f_namelen); + break; + case 'n': + xprintf("%s", *toys.optargs); + break; + case 'N': + xprintf("`%s'", *toys.optargs); + break; + case 'o': + xprintf("%lu", TT.toystat->st_blksize); + break; + case 's': + if (flag) xprintf("%d", TT.toystatfs->f_frsize); + else xprintf("%llu", TT.toystat->st_size); + break; + case 'S': + if (flag) xprintf("%d", TT.toystatfs->f_bsize); + break; + case 't': + if (flag) xprintf("%lx", TT.toystatfs->f_type); + break; + case 'T': + if (flag) xprintf("Needs to be implemented"); + break; + case 'u': + xprintf("%lu", TT.toystat->st_uid); + break; + case 'U': + xprintf("%8s", TT.user_name->pw_name); + break; + case 'x': + xprintf("%s", date_stat_format(TT.toystat->st_atime)); + break; + case 'X': + xprintf("%llu", TT.toystat->st_atime); + break; + case 'y': + xprintf("%s", date_stat_format(TT.toystat->st_mtime)); + break; + case 'Y': + xprintf("%llu", TT.toystat->st_mtime); + break; + case 'z': + xprintf("%s", date_stat_format(TT.toystat->st_ctime)); + break; + case 'Z': + xprintf("%llu", TT.toystat->st_ctime); + default: + xprintf("%c", *format); + break; + } } - exit(0); + xprintf("\n"); } void stat_main(void) { - int stat_flag_Z = 0, stat_flag_f = 0, stat_flag_c = 0, stat_format = 0; + int flag_f = toys.optflags & FLAG_f, flag_c = toys.optflags & FLAG_c; + char *fmts[] = { + " File: %N\n" + " Size: %s\t Blocks: %S\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", - if (toys.optargs) { - if (toys.optflags & 1) { - stat_flag_c = 1; - TT.toy_obj_file_arg = 1; - stat_format = 1; - } - if (toys.optflags & (1 << 1)) { - stat_flag_f = 1; - do_statfs(toys.optargs[TT.toy_obj_file_arg]); - } else do_stat(toys.optargs[TT.toy_obj_file_arg]); - if (toys.optflags & (1 << 2)) { - stat_flag_Z = 1; - xprintf("SELinux feature has not been implemented so far..\n"); - } - } -// function to check the type/mode of file - if (!stat_flag_f) { + " 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", + TT.fmt}; + + if (toys.optflags & FLAG_Z) error_exit("SELinux feature has not been implemented so far.."); + if (!flag_f) { + do_stat(*toys.optargs); + // function to check the type/mode of file TT.file_type = check_type_file(TT.toystat->st_mode, TT.toystat->st_size); -// check user and group name + // check user and group name TT.user_name = getpwuid(TT.toystat->st_uid); TT.group_name = getgrgid(TT.toystat->st_gid); -// function to get access in human readable format - TT.access_str = get_access_str((TT.toystat->st_mode & (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO)), TT.toystat->st_mode); - TT.time_toy = gmtime(&(TT.toystat->st_atime)); - } - if (!(stat_flag_f |stat_flag_Z)) { - if (stat_format) print_stat_format(toys.optargs[0], stat_flag_f); - xprintf(" File: `%s'\n", toys.optargs[TT.toy_obj_file_arg]); - xprintf(" Size: %llu\t Blocks: %llu\t IO Blocks: %lu\t", TT.toystat->st_size, TT.toystat->st_blocks, TT.toystat->st_blksize); - xprintf("%s\n", TT.file_type); - xprintf("Device: %llxh\t Inode: %llu\t Links: %lu\n", TT.toystat->st_dev, TT.toystat->st_ino, TT.toystat->st_nlink); - xprintf("Access: (%04lo/%s)\tUid: (%lu/%8s)\tGid: (%lu/%8s)\n", (TT.toystat->st_mode & (S_ISUID|S_ISGID|S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO)), TT.access_str, TT.toystat->st_uid, TT.user_name->pw_name, TT.toystat->st_gid, TT.group_name->gr_name); - xprintf("Access: %s\nModify: %s\nChange: %s\n", date_stat_format(TT.toystat->st_atime), date_stat_format(TT.toystat->st_mtime), date_stat_format(TT.toystat->st_ctime)); - } else if (stat_flag_f) { - // implementation of statfs -f, file system - if (stat_format) print_stat_format(toys.optargs[0], stat_flag_f); - xprintf(" File: \"%s\"\n", toys.optargs[TT.toy_obj_file_arg]); - xprintf(" ID: %d%d Namelen: %ld Type: %lx\n", TT.toystatfs->f_fsid.__val[0], TT.toystatfs->f_fsid.__val[1], TT.toystatfs->f_namelen, TT.toystatfs->f_type); - xprintf("Block Size: %d Fundamental block size: %d\n", TT.toystatfs->f_bsize, TT.toystatfs->f_frsize); - xprintf("Blocks: Total: %lu\t", TT.toystatfs->f_blocks); - xprintf("Free: %lu\t", TT.toystatfs->f_bfree); - xprintf("Available: %lu\n", TT.toystatfs->f_bavail); - xprintf("Inodes: Total: %lu\t", TT.toystatfs->f_files); - xprintf("\tFree: %d\n", TT.toystatfs->f_ffree); - } + // function to get access in human readable format + TT.access_str = get_access_str(TT.toystat->st_mode & ~S_IFMT, TT.toystat->st_mode); + } else do_statfs(*toys.optargs); + print_stat_format(fmts[!flag_c*flag_f+flag_c], flag_f); } |