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/*
* Implements the file command for jim
*
* (c) 2008 Steve Bennett <steveb@workware.net.au>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation
* are those of the authors and should not be interpreted as representing
* official policies, either expressed or implied, of the Jim Tcl Project.
*
* Based on code originally from Tcl 6.7:
*
* Copyright 1987-1991 Regents of the University of California
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies. The University of California
* makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without
* express or implied warranty.
*/
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <jimautoconf.h>
#include <jim-subcmd.h>
#include <jimiocompat.h>
#ifdef HAVE_UTIMES
#include <sys/time.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#elif defined(_MSC_VER)
#include <direct.h>
#define F_OK 0
#define W_OK 2
#define R_OK 4
#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#endif
# ifndef MAXPATHLEN
# define MAXPATHLEN JIM_PATH_LEN
# endif
#if defined(__MINGW32__) || defined(__MSYS__) || defined(_MSC_VER)
#define ISWINDOWS 1
#else
#define ISWINDOWS 0
#endif
/* extract nanosecond resolution mtime from struct stat */
#if defined(HAVE_STRUCT_STAT_ST_MTIMESPEC)
#define STAT_MTIME_US(STAT) ((STAT).st_mtimespec.tv_sec * 1000000ll + (STAT).st_mtimespec.tv_nsec / 1000)
#elif defined(HAVE_STRUCT_STAT_ST_MTIM)
#define STAT_MTIME_US(STAT) ((STAT).st_mtim.tv_sec * 1000000ll + (STAT).st_mtim.tv_nsec / 1000)
#endif
/*
*----------------------------------------------------------------------
*
* JimGetFileType --
*
* Given a mode word, returns a string identifying the type of a
* file.
*
* Results:
* A static text string giving the file type from mode.
*
* Side effects:
* None.
*
*----------------------------------------------------------------------
*/
static const char *JimGetFileType(int mode)
{
if (S_ISREG(mode)) {
return "file";
}
else if (S_ISDIR(mode)) {
return "directory";
}
#ifdef S_ISCHR
else if (S_ISCHR(mode)) {
return "characterSpecial";
}
#endif
#ifdef S_ISBLK
else if (S_ISBLK(mode)) {
return "blockSpecial";
}
#endif
#ifdef S_ISFIFO
else if (S_ISFIFO(mode)) {
return "fifo";
}
#endif
#ifdef S_ISLNK
else if (S_ISLNK(mode)) {
return "link";
}
#endif
#ifdef S_ISSOCK
else if (S_ISSOCK(mode)) {
return "socket";
}
#endif
return "unknown";
}
/*
*----------------------------------------------------------------------
*
* StoreStatData --
*
* This is a utility procedure that breaks out the fields of a
* "stat" structure and stores them in textual form into the
* elements of an associative array.
*
* Results:
* Returns a standard Tcl return value. If an error occurs then
* a message is left in interp->result.
*
* Side effects:
* Elements of the associative array given by "varName" are modified.
*
*----------------------------------------------------------------------
*/
static void AppendStatElement(Jim_Interp *interp, Jim_Obj *listObj, const char *key, jim_wide value)
{
Jim_ListAppendElement(interp, listObj, Jim_NewStringObj(interp, key, -1));
Jim_ListAppendElement(interp, listObj, Jim_NewIntObj(interp, value));
}
static int StoreStatData(Jim_Interp *interp, Jim_Obj *varName, const jim_stat_t *sb)
{
/* Just use a list to store the data */
Jim_Obj *listObj = Jim_NewListObj(interp, NULL, 0);
AppendStatElement(interp, listObj, "dev", sb->st_dev);
AppendStatElement(interp, listObj, "ino", sb->st_ino);
AppendStatElement(interp, listObj, "mode", sb->st_mode);
AppendStatElement(interp, listObj, "nlink", sb->st_nlink);
AppendStatElement(interp, listObj, "uid", sb->st_uid);
AppendStatElement(interp, listObj, "gid", sb->st_gid);
AppendStatElement(interp, listObj, "size", sb->st_size);
AppendStatElement(interp, listObj, "atime", sb->st_atime);
AppendStatElement(interp, listObj, "mtime", sb->st_mtime);
AppendStatElement(interp, listObj, "ctime", sb->st_ctime);
#ifdef STAT_MTIME_US
AppendStatElement(interp, listObj, "mtimeus", STAT_MTIME_US(*sb));
#endif
Jim_ListAppendElement(interp, listObj, Jim_NewStringObj(interp, "type", -1));
Jim_ListAppendElement(interp, listObj, Jim_NewStringObj(interp, JimGetFileType((int)sb->st_mode), -1));
/* Was a variable specified? */
if (varName) {
Jim_Obj *objPtr;
objPtr = Jim_GetVariable(interp, varName, JIM_NONE);
if (objPtr) {
Jim_Obj *objv[2];
objv[0] = objPtr;
objv[1] = listObj;
objPtr = Jim_DictMerge(interp, 2, objv);
if (objPtr == NULL) {
/* This message matches the one from Tcl */
Jim_SetResultFormatted(interp, "can't set \"%#s(dev)\": variable isn't array", varName);
Jim_FreeNewObj(interp, listObj);
return JIM_ERR;
}
Jim_InvalidateStringRep(objPtr);
Jim_FreeNewObj(interp, listObj);
listObj = objPtr;
}
Jim_SetVariable(interp, varName, listObj);
}
/* And also return the value */
Jim_SetResult(interp, listObj);
return JIM_OK;
}
/**
* Give a path of length 'len', returns the length of the path
* with any trailing slashes removed.
*/
static int JimPathLenNoTrailingSlashes(const char *path, int len)
{
int i;
for (i = len; i > 1 && path[i - 1] == '/'; i--) {
/* Trailing slash, so remove it */
if (ISWINDOWS && path[i - 2] == ':') {
/* But on windows, we won't remove the trailing slash from c:/ */
break;
}
}
return i;
}
/**
* Give a path in objPtr, returns a new path with any trailing slash removed.
* Use Jim_DecrRefCount() on the returned object (which may be identical to objPtr).
*/
static Jim_Obj *JimStripTrailingSlashes(Jim_Interp *interp, Jim_Obj *objPtr)
{
int len = Jim_Length(objPtr);
const char *path = Jim_String(objPtr);
int i = JimPathLenNoTrailingSlashes(path, len);
if (i != len) {
objPtr = Jim_NewStringObj(interp, path, i);
}
Jim_IncrRefCount(objPtr);
return objPtr;
}
static int file_cmd_dirname(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
Jim_Obj *objPtr = JimStripTrailingSlashes(interp, argv[0]);
const char *path = Jim_String(objPtr);
const char *p = strrchr(path, '/');
if (!p) {
Jim_SetResultString(interp, ".", -1);
}
else if (p[1] == 0) {
/* Trailing slash so do nothing */
Jim_SetResult(interp, objPtr);
}
else if (p == path) {
Jim_SetResultString(interp, "/", -1);
}
else if (ISWINDOWS && p[-1] == ':') {
/* z:/dir => z:/ */
Jim_SetResultString(interp, path, p - path + 1);
}
else {
/* Strip any trailing slashes from the result */
int len = JimPathLenNoTrailingSlashes(path, p - path);
Jim_SetResultString(interp, path, len);
}
Jim_DecrRefCount(interp, objPtr);
return JIM_OK;
}
static int file_cmd_split(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
Jim_Obj *listObj = Jim_NewListObj(interp, NULL, 0);
const char *path = Jim_String(argv[0]);
if (*path == '/') {
Jim_ListAppendElement(interp, listObj, Jim_NewStringObj(interp, "/", 1));
}
while (1) {
/* Remove leading slashes */
while (*path == '/') {
path++;
}
if (*path) {
const char *pt = strchr(path, '/');
if (pt) {
Jim_ListAppendElement(interp, listObj, Jim_NewStringObj(interp, path, pt - path));
path = pt;
continue;
}
Jim_ListAppendElement(interp, listObj, Jim_NewStringObj(interp, path, -1));
}
break;
}
Jim_SetResult(interp, listObj);
return JIM_OK;
}
static int file_cmd_rootname(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
const char *path = Jim_String(argv[0]);
const char *lastSlash = strrchr(path, '/');
const char *p = strrchr(path, '.');
if (p == NULL || (lastSlash != NULL && lastSlash > p)) {
Jim_SetResult(interp, argv[0]);
}
else {
Jim_SetResultString(interp, path, p - path);
}
return JIM_OK;
}
static int file_cmd_extension(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
Jim_Obj *objPtr = JimStripTrailingSlashes(interp, argv[0]);
const char *path = Jim_String(objPtr);
const char *lastSlash = strrchr(path, '/');
const char *p = strrchr(path, '.');
if (p == NULL || (lastSlash != NULL && lastSlash >= p)) {
p = "";
}
Jim_SetResultString(interp, p, -1);
Jim_DecrRefCount(interp, objPtr);
return JIM_OK;
}
static int file_cmd_tail(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
Jim_Obj *objPtr = JimStripTrailingSlashes(interp, argv[0]);
const char *path = Jim_String(objPtr);
const char *lastSlash = strrchr(path, '/');
if (lastSlash) {
Jim_SetResultString(interp, lastSlash + 1, -1);
}
else {
Jim_SetResult(interp, objPtr);
}
Jim_DecrRefCount(interp, objPtr);
return JIM_OK;
}
static int file_cmd_normalize(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
#ifdef HAVE_REALPATH
const char *path = Jim_String(argv[0]);
char *newname = Jim_Alloc(MAXPATHLEN + 1);
if (realpath(path, newname)) {
Jim_SetResult(interp, Jim_NewStringObjNoAlloc(interp, newname, -1));
return JIM_OK;
}
else {
Jim_Free(newname);
Jim_SetResultFormatted(interp, "can't normalize \"%#s\": %s", argv[0], strerror(errno));
return JIM_ERR;
}
#else
Jim_SetResultString(interp, "Not implemented", -1);
return JIM_ERR;
#endif
}
static int file_cmd_join(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
int i;
char *newname = Jim_Alloc(MAXPATHLEN + 1);
char *last = newname;
*newname = 0;
/* Simple implementation for now */
for (i = 0; i < argc; i++) {
int len;
const char *part = Jim_GetString(argv[i], &len);
if (*part == '/') {
/* Absolute component, so go back to the start */
last = newname;
}
else if (ISWINDOWS && strchr(part, ':')) {
/* Absolute component on mingw, so go back to the start */
last = newname;
}
else if (part[0] == '.') {
if (part[1] == '/') {
part += 2;
len -= 2;
}
else if (part[1] == 0 && last != newname) {
/* Adding '.' to an existing path does nothing */
continue;
}
}
/* Add a slash if needed */
if (last != newname && last[-1] != '/') {
*last++ = '/';
}
if (len) {
if (last + len - newname >= MAXPATHLEN) {
Jim_Free(newname);
Jim_SetResultString(interp, "Path too long", -1);
return JIM_ERR;
}
memcpy(last, part, len);
last += len;
}
/* Remove a slash if needed */
if (last > newname + 1 && last[-1] == '/') {
/* but on on Windows, leave the trailing slash on "c:/ " */
if (!ISWINDOWS || !(last > newname + 2 && last[-2] == ':')) {
*--last = 0;
}
}
}
*last = 0;
/* Probably need to handle some special cases ... */
Jim_SetResult(interp, Jim_NewStringObjNoAlloc(interp, newname, last - newname));
return JIM_OK;
}
static int file_access(Jim_Interp *interp, Jim_Obj *filename, int mode)
{
Jim_SetResultBool(interp, access(Jim_String(filename), mode) != -1);
return JIM_OK;
}
static int file_cmd_readable(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
return file_access(interp, argv[0], R_OK);
}
static int file_cmd_writable(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
return file_access(interp, argv[0], W_OK);
}
static int file_cmd_executable(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
#ifdef X_OK
return file_access(interp, argv[0], X_OK);
#else
/* If no X_OK, just assume true. */
Jim_SetResultBool(interp, 1);
return JIM_OK;
#endif
}
static int file_cmd_exists(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
return file_access(interp, argv[0], F_OK);
}
static int file_cmd_delete(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
int force = Jim_CompareStringImmediate(interp, argv[0], "-force");
if (force || Jim_CompareStringImmediate(interp, argv[0], "--")) {
argc++;
argv--;
}
while (argc--) {
const char *path = Jim_String(argv[0]);
if (unlink(path) == -1 && errno != ENOENT) {
if (rmdir(path) == -1) {
/* Maybe try using the script helper */
if (!force || Jim_EvalPrefix(interp, "file delete force", 1, argv) != JIM_OK) {
Jim_SetResultFormatted(interp, "couldn't delete file \"%s\": %s", path,
strerror(errno));
return JIM_ERR;
}
}
}
argv++;
}
return JIM_OK;
}
#ifdef HAVE_MKDIR_ONE_ARG
#define MKDIR_DEFAULT(PATHNAME) mkdir(PATHNAME)
#else
#define MKDIR_DEFAULT(PATHNAME) mkdir(PATHNAME, 0755)
#endif
/**
* Create directory, creating all intermediate paths if necessary.
*
* Returns 0 if OK or -1 on failure (and sets errno)
*
* Note: The path may be modified.
*/
static int mkdir_all(char *path)
{
int ok = 1;
/* First time just try to make the dir */
goto first;
while (ok--) {
/* Must have failed the first time, so recursively make the parent and try again */
{
char *slash = strrchr(path, '/');
if (slash && slash != path) {
*slash = 0;
if (mkdir_all(path) != 0) {
return -1;
}
*slash = '/';
}
}
first:
if (MKDIR_DEFAULT(path) == 0) {
return 0;
}
if (errno == ENOENT) {
/* Create the parent and try again */
continue;
}
/* Maybe it already exists as a directory */
if (errno == EEXIST) {
jim_stat_t sb;
if (Jim_Stat(path, &sb) == 0 && S_ISDIR(sb.st_mode)) {
return 0;
}
/* Restore errno */
errno = EEXIST;
}
/* Failed */
break;
}
return -1;
}
static int file_cmd_mkdir(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
while (argc--) {
char *path = Jim_StrDup(Jim_String(argv[0]));
int rc = mkdir_all(path);
Jim_Free(path);
if (rc != 0) {
Jim_SetResultFormatted(interp, "can't create directory \"%#s\": %s", argv[0],
strerror(errno));
return JIM_ERR;
}
argv++;
}
return JIM_OK;
}
static int file_cmd_tempfile(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
int fd = Jim_MakeTempFile(interp, (argc >= 1) ? Jim_String(argv[0]) : NULL, 0);
if (fd < 0) {
return JIM_ERR;
}
close(fd);
return JIM_OK;
}
static int file_cmd_rename(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
const char *source;
const char *dest;
int force = 0;
if (argc == 3) {
if (!Jim_CompareStringImmediate(interp, argv[0], "-force")) {
return -1;
}
force++;
argv++;
argc--;
}
source = Jim_String(argv[0]);
dest = Jim_String(argv[1]);
if (!force && access(dest, F_OK) == 0) {
Jim_SetResultFormatted(interp, "error renaming \"%#s\" to \"%#s\": target exists", argv[0],
argv[1]);
return JIM_ERR;
}
#if ISWINDOWS
if (access(dest, F_OK) == 0) {
/* Windows won't rename over an existing file */
remove(dest);
}
#endif
if (rename(source, dest) != 0) {
Jim_SetResultFormatted(interp, "error renaming \"%#s\" to \"%#s\": %s", argv[0], argv[1],
strerror(errno));
return JIM_ERR;
}
return JIM_OK;
}
#if defined(HAVE_LINK) && defined(HAVE_SYMLINK)
static int file_cmd_link(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
int ret;
const char *source;
const char *dest;
static const char * const options[] = { "-hard", "-symbolic", NULL };
enum { OPT_HARD, OPT_SYMBOLIC, };
int option = OPT_HARD;
if (argc == 3) {
if (Jim_GetEnum(interp, argv[0], options, &option, NULL, JIM_ENUM_ABBREV | JIM_ERRMSG) != JIM_OK) {
return JIM_ERR;
}
argv++;
argc--;
}
dest = Jim_String(argv[0]);
source = Jim_String(argv[1]);
if (option == OPT_HARD) {
ret = link(source, dest);
}
else {
ret = symlink(source, dest);
}
if (ret != 0) {
Jim_SetResultFormatted(interp, "error linking \"%#s\" to \"%#s\": %s", argv[0], argv[1],
strerror(errno));
return JIM_ERR;
}
return JIM_OK;
}
#endif
static int file_stat(Jim_Interp *interp, Jim_Obj *filename, jim_stat_t *sb)
{
const char *path = Jim_String(filename);
if (Jim_Stat(path, sb) == -1) {
Jim_SetResultFormatted(interp, "could not read \"%#s\": %s", filename, strerror(errno));
return JIM_ERR;
}
return JIM_OK;
}
#ifdef HAVE_LSTAT
static int file_lstat(Jim_Interp *interp, Jim_Obj *filename, jim_stat_t *sb)
{
const char *path = Jim_String(filename);
if (lstat(path, sb) == -1) {
Jim_SetResultFormatted(interp, "could not read \"%#s\": %s", filename, strerror(errno));
return JIM_ERR;
}
return JIM_OK;
}
#else
#define file_lstat file_stat
#endif
static int file_cmd_atime(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
jim_stat_t sb;
if (file_stat(interp, argv[0], &sb) != JIM_OK) {
return JIM_ERR;
}
Jim_SetResultInt(interp, sb.st_atime);
return JIM_OK;
}
/**
* Set file atime/mtime to the given time in microseconds since the epoch.
*/
static int JimSetFileTimes(Jim_Interp *interp, const char *filename, jim_wide us)
{
#ifdef HAVE_UTIMES
struct timeval times[2];
times[1].tv_sec = times[0].tv_sec = us / 1000000;
times[1].tv_usec = times[0].tv_usec = us % 1000000;
if (utimes(filename, times) != 0) {
Jim_SetResultFormatted(interp, "can't set time on \"%s\": %s", filename, strerror(errno));
return JIM_ERR;
}
return JIM_OK;
#else
Jim_SetResultString(interp, "Not implemented", -1);
return JIM_ERR;
#endif
}
static int file_cmd_mtime(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
jim_stat_t sb;
if (argc == 2) {
jim_wide secs;
if (Jim_GetWide(interp, argv[1], &secs) != JIM_OK) {
return JIM_ERR;
}
return JimSetFileTimes(interp, Jim_String(argv[0]), secs * 1000000);
}
if (file_stat(interp, argv[0], &sb) != JIM_OK) {
return JIM_ERR;
}
Jim_SetResultInt(interp, sb.st_mtime);
return JIM_OK;
}
#ifdef STAT_MTIME_US
static int file_cmd_mtimeus(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
jim_stat_t sb;
if (argc == 2) {
jim_wide us;
if (Jim_GetWide(interp, argv[1], &us) != JIM_OK) {
return JIM_ERR;
}
return JimSetFileTimes(interp, Jim_String(argv[0]), us);
}
if (file_stat(interp, argv[0], &sb) != JIM_OK) {
return JIM_ERR;
}
Jim_SetResultInt(interp, STAT_MTIME_US(sb));
return JIM_OK;
}
#endif
static int file_cmd_copy(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
return Jim_EvalPrefix(interp, "file copy", argc, argv);
}
static int file_cmd_size(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
jim_stat_t sb;
if (file_stat(interp, argv[0], &sb) != JIM_OK) {
return JIM_ERR;
}
Jim_SetResultInt(interp, sb.st_size);
return JIM_OK;
}
static int file_cmd_isdirectory(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
jim_stat_t sb;
int ret = 0;
if (file_stat(interp, argv[0], &sb) == JIM_OK) {
ret = S_ISDIR(sb.st_mode);
}
Jim_SetResultInt(interp, ret);
return JIM_OK;
}
static int file_cmd_isfile(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
jim_stat_t sb;
int ret = 0;
if (file_stat(interp, argv[0], &sb) == JIM_OK) {
ret = S_ISREG(sb.st_mode);
}
Jim_SetResultInt(interp, ret);
return JIM_OK;
}
#ifdef HAVE_GETEUID
static int file_cmd_owned(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
jim_stat_t sb;
int ret = 0;
if (file_stat(interp, argv[0], &sb) == JIM_OK) {
ret = (geteuid() == sb.st_uid);
}
Jim_SetResultInt(interp, ret);
return JIM_OK;
}
#endif
#if defined(HAVE_READLINK)
static int file_cmd_readlink(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
const char *path = Jim_String(argv[0]);
char *linkValue = Jim_Alloc(MAXPATHLEN + 1);
int linkLength = readlink(path, linkValue, MAXPATHLEN);
if (linkLength == -1) {
Jim_Free(linkValue);
Jim_SetResultFormatted(interp, "could not read link \"%#s\": %s", argv[0], strerror(errno));
return JIM_ERR;
}
linkValue[linkLength] = 0;
Jim_SetResult(interp, Jim_NewStringObjNoAlloc(interp, linkValue, linkLength));
return JIM_OK;
}
#endif
static int file_cmd_type(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
jim_stat_t sb;
if (file_lstat(interp, argv[0], &sb) != JIM_OK) {
return JIM_ERR;
}
Jim_SetResultString(interp, JimGetFileType((int)sb.st_mode), -1);
return JIM_OK;
}
#ifdef HAVE_LSTAT
static int file_cmd_lstat(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
jim_stat_t sb;
if (file_lstat(interp, argv[0], &sb) != JIM_OK) {
return JIM_ERR;
}
return StoreStatData(interp, argc == 2 ? argv[1] : NULL, &sb);
}
#else
#define file_cmd_lstat file_cmd_stat
#endif
static int file_cmd_stat(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
jim_stat_t sb;
if (file_stat(interp, argv[0], &sb) != JIM_OK) {
return JIM_ERR;
}
return StoreStatData(interp, argc == 2 ? argv[1] : NULL, &sb);
}
static const jim_subcmd_type file_command_table[] = {
{ "atime",
"name",
file_cmd_atime,
1,
1,
/* Description: Last access time */
},
{ "mtime",
"name ?time?",
file_cmd_mtime,
1,
2,
/* Description: Get or set last modification time */
},
#ifdef STAT_MTIME_US
{ "mtimeus",
"name ?time?",
file_cmd_mtimeus,
1,
2,
/* Description: Get or set last modification time in microseconds */
},
#endif
{ "copy",
"?-force? source dest",
file_cmd_copy,
2,
3,
/* Description: Copy source file to destination file */
},
{ "dirname",
"name",
file_cmd_dirname,
1,
1,
/* Description: Directory part of the name */
},
{ "rootname",
"name",
file_cmd_rootname,
1,
1,
/* Description: Name without any extension */
},
{ "extension",
"name",
file_cmd_extension,
1,
1,
/* Description: Last extension including the dot */
},
{ "tail",
"name",
file_cmd_tail,
1,
1,
/* Description: Last component of the name */
},
{ "split",
"name",
file_cmd_split,
1,
1,
/* Description: Split path into components as a list */
},
{ "normalize",
"name",
file_cmd_normalize,
1,
1,
/* Description: Normalized path of name */
},
{ "join",
"name ?name ...?",
file_cmd_join,
1,
-1,
/* Description: Join multiple path components */
},
{ "readable",
"name",
file_cmd_readable,
1,
1,
/* Description: Is file readable */
},
{ "writable",
"name",
file_cmd_writable,
1,
1,
/* Description: Is file writable */
},
{ "executable",
"name",
file_cmd_executable,
1,
1,
/* Description: Is file executable */
},
{ "exists",
"name",
file_cmd_exists,
1,
1,
/* Description: Does file exist */
},
{ "delete",
"?-force|--? name ...",
file_cmd_delete,
1,
-1,
/* Description: Deletes the files or directories (must be empty unless -force) */
},
{ "mkdir",
"dir ...",
file_cmd_mkdir,
1,
-1,
/* Description: Creates the directories */
},
{ "tempfile",
"?template?",
file_cmd_tempfile,
0,
1,
/* Description: Creates a temporary filename */
},
{ "rename",
"?-force? source dest",
file_cmd_rename,
2,
3,
/* Description: Renames a file */
},
#if defined(HAVE_LINK) && defined(HAVE_SYMLINK)
{ "link",
"?-symbolic|-hard? newname target",
file_cmd_link,
2,
3,
/* Description: Creates a hard or soft link */
},
#endif
#if defined(HAVE_READLINK)
{ "readlink",
"name",
file_cmd_readlink,
1,
1,
/* Description: Value of the symbolic link */
},
#endif
{ "size",
"name",
file_cmd_size,
1,
1,
/* Description: Size of file */
},
{ "stat",
"name ?var?",
file_cmd_stat,
1,
2,
/* Description: Returns results of stat, and may store in var array */
},
{ "lstat",
"name ?var?",
file_cmd_lstat,
1,
2,
/* Description: Returns results of lstat, and may store in var array */
},
{ "type",
"name",
file_cmd_type,
1,
1,
/* Description: Returns type of the file */
},
#ifdef HAVE_GETEUID
{ "owned",
"name",
file_cmd_owned,
1,
1,
/* Description: Returns 1 if owned by the current owner */
},
#endif
{ "isdirectory",
"name",
file_cmd_isdirectory,
1,
1,
/* Description: Returns 1 if name is a directory */
},
{ "isfile",
"name",
file_cmd_isfile,
1,
1,
/* Description: Returns 1 if name is a file */
},
{
NULL
}
};
static int Jim_CdCmd(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
const char *path;
if (argc != 2) {
Jim_WrongNumArgs(interp, 1, argv, "dirname");
return JIM_ERR;
}
path = Jim_String(argv[1]);
if (chdir(path) != 0) {
Jim_SetResultFormatted(interp, "couldn't change working directory to \"%s\": %s", path,
strerror(errno));
return JIM_ERR;
}
return JIM_OK;
}
static int Jim_PwdCmd(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
{
char *cwd = Jim_Alloc(MAXPATHLEN);
if (getcwd(cwd, MAXPATHLEN) == NULL) {
Jim_SetResultString(interp, "Failed to get pwd", -1);
Jim_Free(cwd);
return JIM_ERR;
}
else if (ISWINDOWS) {
/* Try to keep backslashes out of paths */
char *p = cwd;
while ((p = strchr(p, '\\')) != NULL) {
*p++ = '/';
}
}
Jim_SetResultString(interp, cwd, -1);
Jim_Free(cwd);
return JIM_OK;
}
int Jim_fileInit(Jim_Interp *interp)
{
Jim_PackageProvideCheck(interp, "file");
Jim_CreateCommand(interp, "file", Jim_SubCmdProc, (void *)file_command_table, NULL);
Jim_CreateCommand(interp, "pwd", Jim_PwdCmd, NULL, NULL);
Jim_CreateCommand(interp, "cd", Jim_CdCmd, NULL, NULL);
return JIM_OK;
}
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