13839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* 23839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * util.c --- utilities for the debugfs program 3efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o * 43839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * Copyright (C) 1993, 1994 Theodore Ts'o. This file may be 53839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * redistributed under the terms of the GNU Public License. 63839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * 73839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 83839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 9ebabf2ad6d19af5c674b624bafe619dedbc94403Theodore Ts'o#define _XOPEN_SOURCE 600 /* needed for strptime */ 10de8f3a76218255e443ba57dec5d74850180fa75dAndreas Dilger 113839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <stdio.h> 123839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <unistd.h> 133839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <stdlib.h> 143839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <ctype.h> 153839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include <string.h> 161e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o#include <time.h> 172c4a540636142a936889bbe4b85a2b9c56bfa458Theodore Ts'o#include <signal.h> 1888494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o#ifdef HAVE_GETOPT_H 1988494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o#include <getopt.h> 20efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o#else 2188494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'oextern int optind; 2288494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'oextern char *optarg; 2388494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o#endif 2488494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o#ifdef HAVE_OPTRESET 2588494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'oextern int optreset; /* defined by BSD, but not others */ 2688494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o#endif 273839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 28e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall#include "ss/ss.h" 293839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o#include "debugfs.h" 303839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 3188494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o/* 3288494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * This function resets the libc getopt() function, which keeps 3388494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * internal state. Bad design! Stupid libc API designers! No 3488494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * biscuit! 3588494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * 3688494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * BSD-derived getopt() functions require that optind be reset to 1 in 3788494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * order to reset getopt() state. This used to be generally accepted 3888494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * way of resetting getopt(). However, glibc's getopt() 3988494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * has additional getopt() state beyond optind, and requires that 4088494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * optind be set zero to reset its state. So the unfortunate state of 4188494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * affairs is that BSD-derived versions of getopt() misbehave if 4288494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * optind is set to 0 in order to reset getopt(), and glibc's getopt() 439c07dc00b8ea175aa1446868b5cca5a21b41aecfTheodore Ts'o * will core dump if optind is set 1 in order to reset getopt(). 44efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o * 4588494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * More modern versions of BSD require that optreset be set to 1 in 4688494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * order to reset getopt(). Sigh. Standards, anyone? 4788494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * 4888494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o * We hide the hair here. 4988494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o */ 5088494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'ovoid reset_getopt(void) 5188494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o{ 529c07dc00b8ea175aa1446868b5cca5a21b41aecfTheodore Ts'o#if defined(__GLIBC__) || defined(__linux__) 5388494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o optind = 0; 5488494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o#else 5588494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o optind = 1; 5688494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o#endif 5788494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o#ifdef HAVE_OPTRESET 5888494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o optreset = 1; /* Makes BSD getopt happy */ 5988494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o#endif 60ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o} 61ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o 622b5ddd75c90ed4dce2ecdca12b59688a46b11b01Theodore Ts'ostatic const char *pager_search_list[] = { "pager", "more", "less", 0 }; 63ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'ostatic const char *pager_dir_list[] = { "/usr/bin", "/bin", 0 }; 64ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o 65ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'ostatic const char *find_pager(char *buf) 66ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o{ 67ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o const char **i, **j; 68ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o 69ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o for (i = pager_search_list; *i; i++) { 70ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o for (j = pager_dir_list; *j; j++) { 71ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o sprintf(buf, "%s/%s", *j, *i); 72ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o if (access(buf, X_OK) == 0) 73ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o return(buf); 74ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o } 75ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o } 76ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o return 0; 77ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o} 7888494bb6d440f703db98b6cc4452f63d7aa392b9Theodore Ts'o 793839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oFILE *open_pager(void) 803839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 81ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o FILE *outfile = 0; 82e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall const char *pager = ss_safe_getenv("DEBUGFS_PAGER"); 83ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o char buf[80]; 843839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 852c4a540636142a936889bbe4b85a2b9c56bfa458Theodore Ts'o signal(SIGPIPE, SIG_IGN); 86a7ee4e01838a2ae5e3adf2d159d2f8f824e17ed7Theodore Ts'o if (!isatty(1)) 87a7ee4e01838a2ae5e3adf2d159d2f8f824e17ed7Theodore Ts'o return stdout; 882b696a98569339287894df4a40676745f6111d7eTheodore Ts'o if (!pager) 89e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall pager = ss_safe_getenv("PAGER"); 902b696a98569339287894df4a40676745f6111d7eTheodore Ts'o if (!pager) 91ec7fdb8f76ea88ba838690ae151735ae5ef800baTheodore Ts'o pager = find_pager(buf); 92efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o if (!pager || 932b696a98569339287894df4a40676745f6111d7eTheodore Ts'o (strcmp(pager, "__none__") == 0) || 942b696a98569339287894df4a40676745f6111d7eTheodore Ts'o ((outfile = popen(pager, "w")) == 0)) 952b696a98569339287894df4a40676745f6111d7eTheodore Ts'o return stdout; 962b696a98569339287894df4a40676745f6111d7eTheodore Ts'o return outfile; 973839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 983839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 993839e65723771b85975f4263102dd3ceec4523cTheodore Ts'ovoid close_pager(FILE *stream) 1003839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 101571fc5a89c17985626df29823617b63094d10b31Theodore Ts'o if (stream && stream != stdout) pclose(stream); 1023839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 1033839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1043839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* 1053839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * This routine is used whenever a command needs to turn a string into 1063839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * an inode. 1073839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 108b044c2e02af46c54206f0f6e29896ab32681a7dbTheodore Ts'oext2_ino_t string_to_inode(char *str) 1093839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 110b044c2e02af46c54206f0f6e29896ab32681a7dbTheodore Ts'o ext2_ino_t ino; 111b044c2e02af46c54206f0f6e29896ab32681a7dbTheodore Ts'o int len = strlen(str); 112b044c2e02af46c54206f0f6e29896ab32681a7dbTheodore Ts'o char *end; 113b044c2e02af46c54206f0f6e29896ab32681a7dbTheodore Ts'o int retval; 1143839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1153839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o /* 1163839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * If the string is of the form <ino>, then treat it as an 1173839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * inode number. 1183839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 1193839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if ((len > 2) && (str[0] == '<') && (str[len-1] == '>')) { 1209131a759318963d9c86a7de7138ac8cee9641f8cTheodore Ts'o ino = strtoul(str+1, &end, 0); 1219131a759318963d9c86a7de7138ac8cee9641f8cTheodore Ts'o if (*end=='>') 1229131a759318963d9c86a7de7138ac8cee9641f8cTheodore Ts'o return ino; 1233839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 1243839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1251e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o retval = ext2fs_namei(current_fs, root, cwd, str, &ino); 1263839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o if (retval) { 1272d328bb76d2d63bdfdba923b54c28bd686bd8fecTheodore Ts'o com_err(str, retval, 0); 1283839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return 0; 1293839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 1303839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return ino; 1313839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 1323839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1333839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* 1343839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * This routine returns 1 if the filesystem is not open, and prints an 1353839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * error message to that effect. 1363839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 1373839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oint check_fs_open(char *name) 1383839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 1391e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (!current_fs) { 1403839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err(name, 0, "Filesystem not open"); 1413839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return 1; 1423839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 1433839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return 0; 1443839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 1453839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1463839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o/* 1473839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * This routine returns 1 if a filesystem is open, and prints an 1483839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o * error message to that effect. 1493839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o */ 1503839e65723771b85975f4263102dd3ceec4523cTheodore Ts'oint check_fs_not_open(char *name) 1513839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o{ 1521e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (current_fs) { 1533839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o com_err(name, 0, 1543839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o "Filesystem %s is still open. Close it first.\n", 1551e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o current_fs->device_name); 1563839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return 1; 1573839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o } 1583839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o return 0; 1593839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o} 1603839e65723771b85975f4263102dd3ceec4523cTheodore Ts'o 1611e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o/* 1621e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * This routine returns 1 if a filesystem is not opened read/write, 1631e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * and prints an error message to that effect. 1641e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o */ 1651e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'oint check_fs_read_write(char *name) 1661e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o{ 1671e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o if (!(current_fs->flags & EXT2_FLAG_RW)) { 1681e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o com_err(name, 0, "Filesystem opened read/only"); 1691e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o return 1; 1701e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o } 1711e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o return 0; 1721e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o} 1731e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 1741e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o/* 175d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o * This routine returns 1 if a filesystem is doesn't have its inode 176d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o * and block bitmaps loaded, and prints an error message to that 177d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o * effect. 178d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o */ 179d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'oint check_fs_bitmaps(char *name) 180d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o{ 181d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o if (!current_fs->block_map || !current_fs->inode_map) { 182d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o com_err(name, 0, "Filesystem bitmaps not loaded"); 183d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o return 1; 184d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o } 185d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o return 0; 186d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o} 187d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o 188d61f6176024865007d5a0da49c61c21e9d498007Theodore Ts'o/* 1891e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * This function takes a __u32 time value and converts it to a string, 1901e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o * using ctime 1911e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o */ 1921e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'ochar *time_to_string(__u32 cl) 1931e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o{ 194acb79d9d19737cdd3c64bfd83c101fdeed47766eTheodore Ts'o static int do_gmt = -1; 195acb79d9d19737cdd3c64bfd83c101fdeed47766eTheodore Ts'o time_t t = (time_t) cl; 196d4e0b1c6f5aa8c6a248d9149ed5634a310952411Theodore Ts'o const char *tz; 1971e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 1988ff1a86005121edcbf04cfaf8f0812591cb916c6Theodore Ts'o if (do_gmt == -1) { 1998ff1a86005121edcbf04cfaf8f0812591cb916c6Theodore Ts'o /* The diet libc doesn't respect the TZ environemnt variable */ 200e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall tz = ss_safe_getenv("TZ"); 201acb79d9d19737cdd3c64bfd83c101fdeed47766eTheodore Ts'o if (!tz) 202acb79d9d19737cdd3c64bfd83c101fdeed47766eTheodore Ts'o tz = ""; 203acb79d9d19737cdd3c64bfd83c101fdeed47766eTheodore Ts'o do_gmt = !strcmp(tz, "GMT"); 2048ff1a86005121edcbf04cfaf8f0812591cb916c6Theodore Ts'o } 2058ff1a86005121edcbf04cfaf8f0812591cb916c6Theodore Ts'o 2068ff1a86005121edcbf04cfaf8f0812591cb916c6Theodore Ts'o return asctime((do_gmt) ? gmtime(&t) : localtime(&t)); 2071e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o} 2081e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 209e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o/* 2104efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o * Parse a string as a time. Return ((time_t)-1) if the string 2114efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o * doesn't appear to be a sane time. 2124efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o */ 213e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgralltime_t string_to_time(const char *arg) 2144efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o{ 2154efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o struct tm ts; 216a4ea6b98f3c853d70bc08e01ce098c287c2ffd4cTheodore Ts'o time_t ret; 2174efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o char *tmp; 2184efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o 2194efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o if (strcmp(arg, "now") == 0) { 2204efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o return time(0); 2214efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o } 222e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall if (arg[0] == '@') { 223e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall /* interpret it as an integer */ 224e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall ret = strtoul(arg+1, &tmp, 0); 225e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall if (*tmp) 226e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall return ((time_t) -1); 227e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall return ret; 228e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall } 2294efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o memset(&ts, 0, sizeof(ts)); 2304efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o#ifdef HAVE_STRPTIME 2314efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o strptime(arg, "%Y%m%d%H%M%S", &ts); 2324efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o#else 2334efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o sscanf(arg, "%4d%2d%2d%2d%2d%2d", &ts.tm_year, &ts.tm_mon, 2344efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o &ts.tm_mday, &ts.tm_hour, &ts.tm_min, &ts.tm_sec); 2354efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o ts.tm_year -= 1900; 2364efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o ts.tm_mon -= 1; 2374efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o if (ts.tm_year < 0 || ts.tm_mon < 0 || ts.tm_mon > 11 || 2384efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o ts.tm_mday < 0 || ts.tm_mday > 31 || ts.tm_hour > 23 || 2394efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o ts.tm_min > 59 || ts.tm_sec > 61) 2404efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o ts.tm_mday = 0; 2414efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o#endif 242a2ff0f31c1987a480ffc4dacb7adf93f0aecf7f6Theodore Ts'o ts.tm_isdst = -1; 243a4ea6b98f3c853d70bc08e01ce098c287c2ffd4cTheodore Ts'o ret = mktime(&ts); 244a4ea6b98f3c853d70bc08e01ce098c287c2ffd4cTheodore Ts'o if (ts.tm_mday == 0 || ret == ((time_t) -1)) { 2454efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o /* Try it as an integer... */ 2464efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o ret = strtoul(arg, &tmp, 0); 2474efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o if (*tmp) 2484efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o return ((time_t) -1); 2494efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o } 250a4ea6b98f3c853d70bc08e01ce098c287c2ffd4cTheodore Ts'o return ret; 2514efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o} 2524efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o 2534efae606bf3159f2134fa29a5ad78fb9f6331f92Theodore Ts'o/* 254e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * This function will convert a string to an unsigned long, printing 255e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * an error message if it fails, and returning success or failure in err. 256e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o */ 257e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'ounsigned long parse_ulong(const char *str, const char *cmd, 258e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o const char *descr, int *err) 259e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 260e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o char *tmp; 261e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o unsigned long ret; 262efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o 263e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o ret = strtoul(str, &tmp, 0); 264e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (*tmp == 0) { 265e5b3b27966ac71ca8b445a18a6ee1238684fb3f4Theodore Ts'o if (err) 266e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o *err = 0; 267e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return ret; 268e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } 269e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o com_err(cmd, 0, "Bad %s - %s", descr, str); 270e5b3b27966ac71ca8b445a18a6ee1238684fb3f4Theodore Ts'o if (err) 271e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o *err = 1; 272e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o else 273e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o exit(1); 274e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 0; 275e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 276e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 277e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o/* 278e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall * This function will convert a string to an unsigned long long, printing 279e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall * an error message if it fails, and returning success or failure in err. 280e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall */ 281e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrallunsigned long long parse_ulonglong(const char *str, const char *cmd, 282e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall const char *descr, int *err) 283e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall{ 284e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall char *tmp; 285e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall unsigned long long ret; 286e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall 287e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall ret = strtoull(str, &tmp, 0); 288e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall if (*tmp == 0) { 289e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall if (err) 290e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall *err = 0; 291e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall return ret; 292e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall } 293e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall com_err(cmd, 0, "Bad %s - %s", descr, str); 294e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall if (err) 295e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall *err = 1; 296e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall else 297e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall exit(1); 298e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall return 0; 299e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall} 300e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall 301e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall/* 302e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * This function will convert a string to a block number. It returns 303e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * 0 on success, 1 on failure. 304e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o */ 305e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrallint strtoblk(const char *cmd, const char *str, blk64_t *ret) 306e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 307e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall blk64_t blk; 308e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o int err; 309e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 310e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall blk = parse_ulonglong(str, cmd, "block number", &err); 311e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o *ret = blk; 312d8d12558dc24e32f489dc471ba19f25273edce7cTheodore Ts'o if (err) 313d8d12558dc24e32f489dc471ba19f25273edce7cTheodore Ts'o com_err(cmd, 0, "Invalid block number: %s", str); 314e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return err; 315e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 316e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 317e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o/* 318e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * This is a common helper function used by the command processing 319e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * routines 320e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o */ 321e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'oint common_args_process(int argc, char *argv[], int min_argc, int max_argc, 322e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o const char *cmd, const char *usage, int flags) 323e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 324e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (argc < min_argc || argc > max_argc) { 325e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o com_err(argv[0], 0, "Usage: %s %s", cmd, usage); 326e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 327e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } 328e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (flags & CHECK_FS_NOTOPEN) { 329e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (check_fs_not_open(argv[0])) 330e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 331e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } else { 332e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (check_fs_open(argv[0])) 333e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 334e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } 335e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if ((flags & CHECK_FS_RW) && check_fs_read_write(argv[0])) 336e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 337e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if ((flags & CHECK_FS_BITMAPS) && check_fs_bitmaps(argv[0])) 338e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 339e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 0; 340e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 3411e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 342e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o/* 343e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * This is a helper function used by do_stat, do_freei, do_seti, and 344e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * do_testi, etc. Basically, any command which takes a single 345e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * argument which is a file/inode number specifier. 346e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o */ 347e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'oint common_inode_args_process(int argc, char *argv[], 348e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o ext2_ino_t *inode, int flags) 349e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 350e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (common_args_process(argc, argv, 2, 2, argv[0], "<file>", flags)) 351e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 352efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o 353e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o *inode = string_to_inode(argv[1]); 354efc6f628e15de95bcd13e4f0ee223cb42115d520Theodore Ts'o if (!*inode) 355e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 356e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 0; 357e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 358e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 359e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o/* 360e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o * This is a helper function used by do_freeb, do_setb, and do_testb 361e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o */ 362e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'oint common_block_args_process(int argc, char *argv[], 363e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall blk64_t *block, blk64_t *count) 364e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 365e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o int err; 366e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 367e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (common_args_process(argc, argv, 2, 3, argv[0], 368e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o "<block> [count]", CHECK_FS_BITMAPS)) 369e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 370e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 371e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (strtoblk(argv[0], argv[1], block)) 372e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 373d8d12558dc24e32f489dc471ba19f25273edce7cTheodore Ts'o if (*block == 0) { 374d8d12558dc24e32f489dc471ba19f25273edce7cTheodore Ts'o com_err(argv[0], 0, "Invalid block number 0"); 375d8d12558dc24e32f489dc471ba19f25273edce7cTheodore Ts'o err = 1; 376d8d12558dc24e32f489dc471ba19f25273edce7cTheodore Ts'o } 377d8d12558dc24e32f489dc471ba19f25273edce7cTheodore Ts'o 378e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (argc > 2) { 379e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall err = strtoblk(argv[0], argv[2], count); 380e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (err) 381e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 382e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } 383e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 0; 384e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 385e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 386ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'oint debugfs_read_inode_full(ext2_ino_t ino, struct ext2_inode * inode, 387ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o const char *cmd, int bufsize) 388ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o{ 389ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o int retval; 390ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o 391ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o retval = ext2fs_read_inode_full(current_fs, ino, inode, bufsize); 392ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o if (retval) { 393ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o com_err(cmd, retval, "while reading inode %u", ino); 394ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o return 1; 395ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o } 396ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o return 0; 397ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o} 398ea822eeba373bd0bed6e58a35ce123a9f2768113Theodore Ts'o 399e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'oint debugfs_read_inode(ext2_ino_t ino, struct ext2_inode * inode, 400e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o const char *cmd) 401e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 402e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o int retval; 403e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 404e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o retval = ext2fs_read_inode(current_fs, ino, inode); 405e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (retval) { 406e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o com_err(cmd, retval, "while reading inode %u", ino); 407e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 408e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } 409e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 0; 410e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 411e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 412e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrallint debugfs_write_inode_full(ext2_ino_t ino, 413e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall struct ext2_inode *inode, 414e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall const char *cmd, 415e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall int bufsize) 416e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall{ 417e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall int retval; 418e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall 419e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall retval = ext2fs_write_inode_full(current_fs, ino, 420e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall inode, bufsize); 421e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall if (retval) { 422e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall com_err(cmd, retval, "while writing inode %u", ino); 423e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall return 1; 424e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall } 425e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall return 0; 426e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall} 427e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall 428e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'oint debugfs_write_inode(ext2_ino_t ino, struct ext2_inode * inode, 429e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o const char *cmd) 430e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o{ 431e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o int retval; 432e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o 433e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o retval = ext2fs_write_inode(current_fs, ino, inode); 434e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o if (retval) { 435e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o com_err(cmd, retval, "while writing inode %u", ino); 436e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 1; 437e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o } 438e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o return 0; 439e1018eeaa3285cd0ca26986d929194c1b577d211Theodore Ts'o} 4401e3472c5f37ca3686dd69b079d4d02a302f5798dTheodore Ts'o 441030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'oint debugfs_write_new_inode(ext2_ino_t ino, struct ext2_inode * inode, 442030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o const char *cmd) 443030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o{ 444030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o int retval; 445030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o 446030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o retval = ext2fs_write_new_inode(current_fs, ino, inode); 447030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o if (retval) { 448030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o com_err(cmd, retval, "while creating inode %u", ino); 449030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o return 1; 450030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o } 451030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o return 0; 452030970ed750b6a169c32ffb8b19bce3150198629Theodore Ts'o} 453e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall 454e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall/* 455e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall * Given a mode, return the ext2 file type 456e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall */ 457e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrallint ext2_file_type(unsigned int mode) 458e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall{ 459e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall if (LINUX_S_ISREG(mode)) 460e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall return EXT2_FT_REG_FILE; 461e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall 462e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall if (LINUX_S_ISDIR(mode)) 463e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall return EXT2_FT_DIR; 464e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall 465e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall if (LINUX_S_ISCHR(mode)) 466e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall return EXT2_FT_CHRDEV; 467e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall 468e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall if (LINUX_S_ISBLK(mode)) 469e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall return EXT2_FT_BLKDEV; 470e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall 471e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall if (LINUX_S_ISLNK(mode)) 472e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall return EXT2_FT_SYMLINK; 473e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall 474e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall if (LINUX_S_ISFIFO(mode)) 475e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall return EXT2_FT_FIFO; 476e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall 477e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall if (LINUX_S_ISSOCK(mode)) 478e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall return EXT2_FT_SOCK; 479e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall 480e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall return 0; 481e0ed7404719a9ddd2ba427a80db5365c8bad18c0JP Abgrall} 482