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ruby--ruby/dir.c
nobu 5a2f770fb1 * dir.c (rb_push_glob): fix delimiter bug. fixed: [ruby-dev:27105] 
* dir.c (dir_s_aref, dir_s_glob): allow multiple patterns.
  [ruby-dev:27110]

* win32/win32.c (cmdglob): enable brace expansion.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@9184 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2005-09-16 13:46:05 +00:00

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/**********************************************************************
dir.c -
$Author$
$Date$
created at: Wed Jan 5 09:51:01 JST 1994
Copyright (C) 1993-2003 Yukihiro Matsumoto
Copyright (C) 2000 Network Applied Communication Laboratory, Inc.
Copyright (C) 2000 Information-technology Promotion Agency, Japan
**********************************************************************/
#include "ruby.h"
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#if defined HAVE_DIRENT_H && !defined _WIN32
# include <dirent.h>
# define NAMLEN(dirent) strlen((dirent)->d_name)
#elif defined HAVE_DIRECT_H && !defined _WIN32
# include <direct.h>
# define NAMLEN(dirent) strlen((dirent)->d_name)
#else
# define dirent direct
# if !defined __NeXT__
# define NAMLEN(dirent) (dirent)->d_namlen
# else
# /* On some versions of NextStep, d_namlen is always zero, so avoid it. */
# define NAMLEN(dirent) strlen((dirent)->d_name)
# endif
# if HAVE_SYS_NDIR_H
# include <sys/ndir.h>
# endif
# if HAVE_SYS_DIR_H
# include <sys/dir.h>
# endif
# if HAVE_NDIR_H
# include <ndir.h>
# endif
# ifdef _WIN32
# include "win32/dir.h"
# endif
#endif
#include <errno.h>
#ifndef HAVE_STDLIB_H
char *getenv();
#endif
#ifndef HAVE_STRING_H
char *strchr(char*,char);
#endif
#include <ctype.h>
#include "util.h"
#if !defined HAVE_LSTAT && !defined lstat
#define lstat stat
#endif
#define FNM_NOESCAPE 0x01
#define FNM_PATHNAME 0x02
#define FNM_DOTMATCH 0x04
#define FNM_CASEFOLD 0x08
#define FNM_NOMATCH 1
#define FNM_ERROR 2
#define downcase(c) (nocase && ISUPPER(c) ? tolower(c) : (c))
#define compare(c1, c2) (((unsigned char)(c1)) - ((unsigned char)(c2)))
/* caution: in case *p == '\0'
Next(p) == p + 1 in single byte environment
Next(p) == p in multi byte environment
*/
#if defined(CharNext)
# define Next(p) CharNext(p)
#elif defined(DJGPP)
# define Next(p) ((p) + mblen(p, RUBY_MBCHAR_MAXSIZE))
#elif defined(__EMX__)
# define Next(p) ((p) + emx_mblen(p))
static inline int
emx_mblen(p)
const char *p;
{
int n = mblen(p, RUBY_MBCHAR_MAXSIZE);
return (n < 0) ? 1 : n;
}
#endif
#ifndef Next /* single byte environment */
# define Next(p) ((p) + 1)
# define Inc(p) (++(p))
# define Compare(p1, p2) (compare(downcase(*(p1)), downcase(*(p2))))
#else /* multi byte environment */
# define Inc(p) ((p) = Next(p))
# define Compare(p1, p2) (CompareImpl(p1, p2, nocase))
static int
CompareImpl(const char *p1, const char *p2, int nocase)
{
const int len1 = Next(p1) - p1;
const int len2 = Next(p2) - p2;
#ifdef _WIN32
char buf1[10], buf2[10]; /* large enough? */
#endif
if (len1 < 0 || len2 < 0) {
rb_fatal("CompareImpl: negative len");
}
if (len1 == 0) return len2;
if (len2 == 0) return -len1;
#ifdef _WIN32
if (nocase) {
if (len1 > 1) {
if (len1 >= sizeof(buf1)) {
rb_fatal("CompareImpl: too large len");
}
memcpy(buf1, p1, len1);
buf1[len1] = '\0';
CharLower(buf1);
p1 = buf1; /* trick */
}
if (len2 > 1) {
if (len2 >= sizeof(buf2)) {
rb_fatal("CompareImpl: too large len");
}
memcpy(buf2, p2, len2);
buf2[len2] = '\0';
CharLower(buf2);
p2 = buf2; /* trick */
}
}
#endif
if (len1 == 1)
if (len2 == 1)
return compare(downcase(*p1), downcase(*p2));
else {
const int ret = compare(downcase(*p1), *p2);
return ret ? ret : -1;
}
else
if (len2 == 1) {
const int ret = compare(*p1, downcase(*p2));
return ret ? ret : 1;
}
else {
const int ret = memcmp(p1, p2, len1 < len2 ? len1 : len2);
return ret ? ret : len1 - len2;
}
}
#endif /* environment */
static char *
bracket(
const char *p, /* pattern (next to '[') */
const char *s, /* string */
int flags)
{
const int nocase = flags & FNM_CASEFOLD;
const int escape = !(flags & FNM_NOESCAPE);
int ok = 0, not = 0;
if (*p == '!' || *p == '^') {
not = 1;
p++;
}
while (*p != ']') {
const char *t1 = p;
if (escape && *t1 == '\\')
t1++;
if (!*t1)
return NULL;
p = Next(t1);
if (p[0] == '-' && p[1] != ']') {
const char *t2 = p + 1;
if (escape && *t2 == '\\')
t2++;
if (!*t2)
return NULL;
p = Next(t2);
if (!ok && Compare(t1, s) <= 0 && Compare(s, t2) <= 0)
ok = 1;
}
else
if (!ok && Compare(t1, s) == 0)
ok = 1;
}
return ok == not ? NULL : (char *)p + 1;
}
/* If FNM_PATHNAME is set, only path element will be matched. (upto '/' or '\0')
Otherwise, entire string will be matched.
End marker itself won't be compared.
And if function succeeds, *pcur reaches end marker.
*/
#define UNESCAPE(p) (escape && *(p) == '\\' ? (p) + 1 : (p))
#define ISEND(p) (!*(p) || (pathname && *(p) == '/'))
#define RETURN(val) return *pcur = p, *scur = s, (val);
static int
fnmatch_helper(
const char **pcur, /* pattern */
const char **scur, /* string */
int flags)
{
const int period = !(flags & FNM_DOTMATCH);
const int pathname = flags & FNM_PATHNAME;
const int escape = !(flags & FNM_NOESCAPE);
const int nocase = flags & FNM_CASEFOLD;
const char *ptmp = 0;
const char *stmp = 0;
const char *p = *pcur;
const char *s = *scur;
if (period && *s == '.' && *UNESCAPE(p) != '.') /* leading period */
RETURN(FNM_NOMATCH);
while (1) {
switch (*p) {
case '*':
do { p++; } while (*p == '*');
if (ISEND(UNESCAPE(p))) {
p = UNESCAPE(p);
RETURN(0);
}
if (ISEND(s))
RETURN(FNM_NOMATCH);
ptmp = p;
stmp = s;
continue;
case '?':
if (ISEND(s))
RETURN(FNM_NOMATCH);
p++;
Inc(s);
continue;
case '[': {
const char *t;
if (ISEND(s))
RETURN(FNM_NOMATCH);
if (t = bracket(p + 1, s, flags)) {
p = t;
Inc(s);
continue;
}
goto failed;
}
}
/* ordinary */
p = UNESCAPE(p);
if (ISEND(s))
RETURN(ISEND(p) ? 0 : FNM_NOMATCH);
if (ISEND(p))
goto failed;
if (Compare(p, s) != 0)
goto failed;
Inc(p);
Inc(s);
continue;
failed: /* try next '*' position */
if (ptmp && stmp) {
p = ptmp;
Inc(stmp); /* !ISEND(*stmp) */
s = stmp;
continue;
}
RETURN(FNM_NOMATCH);
}
}
static int
fnmatch(
const char *p, /* pattern */
const char *s, /* string */
int flags)
{
const int period = !(flags & FNM_DOTMATCH);
const int pathname = flags & FNM_PATHNAME;
const char *ptmp = 0;
const char *stmp = 0;
if (pathname) {
while (1) {
if (p[0] == '*' && p[1] == '*' && p[2] == '/') {
do { p += 3; } while (p[0] == '*' && p[1] == '*' && p[2] == '/');
ptmp = p;
stmp = s;
}
if (fnmatch_helper(&p, &s, flags) == 0) {
while (*s && *s != '/') Inc(s);
if (*p && *s) {
p++;
s++;
continue;
}
if (!*p && !*s)
return 0;
}
/* failed : try next recursion */
if (ptmp && stmp && !(period && *stmp == '.')) {
while (*stmp && *stmp != '/') Inc(stmp);
if (*stmp) {
p = ptmp;
stmp++;
s = stmp;
continue;
}
}
return FNM_NOMATCH;
}
}
else
return fnmatch_helper(&p, &s, flags);
}
VALUE rb_cDir;
struct dir_data {
DIR *dir;
char *path;
};
static void
free_dir(struct dir_data *dir)
{
if (dir) {
if (dir->dir) closedir(dir->dir);
if (dir->path) free(dir->path);
}
free(dir);
}
static VALUE dir_close(VALUE);
static VALUE
dir_s_alloc(VALUE klass)
{
struct dir_data *dirp;
VALUE obj = Data_Make_Struct(klass, struct dir_data, 0, free_dir, dirp);
dirp->dir = NULL;
dirp->path = NULL;
return obj;
}
/*
* call-seq:
* Dir.new( string ) -> aDir
*
* Returns a new directory object for the named directory.
*/
static VALUE
dir_initialize(VALUE dir, VALUE dirname)
{
struct dir_data *dp;
FilePathValue(dirname);
Data_Get_Struct(dir, struct dir_data, dp);
if (dp->dir) closedir(dp->dir);
if (dp->path) free(dp->path);
dp->dir = NULL;
dp->path = NULL;
dp->dir = opendir(RSTRING(dirname)->ptr);
if (dp->dir == NULL) {
if (errno == EMFILE || errno == ENFILE) {
rb_gc();
dp->dir = opendir(RSTRING(dirname)->ptr);
}
if (dp->dir == NULL) {
rb_sys_fail(RSTRING(dirname)->ptr);
}
}
dp->path = strdup(RSTRING(dirname)->ptr);
return dir;
}
/*
* call-seq:
* Dir.open( string ) => aDir
* Dir.open( string ) {| aDir | block } => anObject
*
* With no block, <code>open</code> is a synonym for
* <code>Dir::new</code>. If a block is present, it is passed
* <i>aDir</i> as a parameter. The directory is closed at the end of
* the block, and <code>Dir::open</code> returns the value of the
* block.
*/
static VALUE
dir_s_open(VALUE klass, VALUE dirname)
{
struct dir_data *dp;
VALUE dir = Data_Make_Struct(klass, struct dir_data, 0, free_dir, dp);
dir_initialize(dir, dirname);
if (rb_block_given_p()) {
return rb_ensure(rb_yield, dir, dir_close, dir);
}
return dir;
}
static void
dir_closed(void)
{
rb_raise(rb_eIOError, "closed directory");
}
#define GetDIR(obj, dirp) do {\
Data_Get_Struct(obj, struct dir_data, dirp);\
if (dirp->dir == NULL) dir_closed();\
} while (0)
/*
* call-seq:
* dir.inspect => string
*
* Return a string describing this Dir object.
*/
static VALUE
dir_inspect(VALUE dir)
{
struct dir_data *dirp;
GetDIR(dir, dirp);
if (dirp->path) {
char *c = rb_obj_classname(dir);
int len = strlen(c) + strlen(dirp->path) + 4;
VALUE s = rb_str_new(0, len);
snprintf(RSTRING(s)->ptr, len+1, "#<%s:%s>", c, dirp->path);
return s;
}
return rb_funcall(dir, rb_intern("to_s"), 0, 0);
}
/*
* call-seq:
* dir.path => string or nil
*
* Returns the path parameter passed to <em>dir</em>'s constructor.
*
* d = Dir.new("..")
* d.path #=> ".."
*/
static VALUE
dir_path(VALUE dir)
{
struct dir_data *dirp;
GetDIR(dir, dirp);
if (!dirp->path) return Qnil;
return rb_str_new2(dirp->path);
}
/*
* call-seq:
* dir.read => string or nil
*
* Reads the next entry from <em>dir</em> and returns it as a string.
* Returns <code>nil</code> at the end of the stream.
*
* d = Dir.new("testdir")
* d.read #=> "."
* d.read #=> ".."
* d.read #=> "config.h"
*/
static VALUE
dir_read(VALUE dir)
{
struct dir_data *dirp;
struct dirent *dp;
GetDIR(dir, dirp);
errno = 0;
dp = readdir(dirp->dir);
if (dp) {
return rb_tainted_str_new(dp->d_name, NAMLEN(dp));
}
else if (errno == 0) { /* end of stream */
return Qnil;
}
else {
rb_sys_fail(0);
}
return Qnil; /* not reached */
}
/*
* call-seq:
* dir.each { |filename| block } => dir
*
* Calls the block once for each entry in this directory, passing the
* filename of each entry as a parameter to the block.
*
* d = Dir.new("testdir")
* d.each {|x| puts "Got #{x}" }
*
* <em>produces:</em>
*
* Got .
* Got ..
* Got config.h
* Got main.rb
*/
static VALUE
dir_each(VALUE dir)
{
struct dir_data *dirp;
struct dirent *dp;
RETURN_ENUMERATOR(dir, 0, 0);
GetDIR(dir, dirp);
rewinddir(dirp->dir);
for (dp = readdir(dirp->dir); dp != NULL; dp = readdir(dirp->dir)) {
rb_yield(rb_tainted_str_new(dp->d_name, NAMLEN(dp)));
if (dirp->dir == NULL) dir_closed();
}
return dir;
}
/*
* call-seq:
* dir.pos => integer
* dir.tell => integer
*
* Returns the current position in <em>dir</em>. See also
* <code>Dir#seek</code>.
*
* d = Dir.new("testdir")
* d.tell #=> 0
* d.read #=> "."
* d.tell #=> 12
*/
static VALUE
dir_tell(VALUE dir)
{
#ifdef HAVE_TELLDIR
struct dir_data *dirp;
long pos;
GetDIR(dir, dirp);
pos = telldir(dirp->dir);
return rb_int2inum(pos);
#else
rb_notimplement();
#endif
}
/*
* call-seq:
* dir.seek( integer ) => dir
*
* Seeks to a particular location in <em>dir</em>. <i>integer</i>
* must be a value returned by <code>Dir#tell</code>.
*
* d = Dir.new("testdir") #=> #<Dir:0x401b3c40>
* d.read #=> "."
* i = d.tell #=> 12
* d.read #=> ".."
* d.seek(i) #=> #<Dir:0x401b3c40>
* d.read #=> ".."
*/
static VALUE
dir_seek(VALUE dir, VALUE pos)
{
struct dir_data *dirp;
off_t p = NUM2OFFT(pos);
GetDIR(dir, dirp);
#ifdef HAVE_SEEKDIR
seekdir(dirp->dir, p);
return dir;
#else
rb_notimplement();
#endif
}
/*
* call-seq:
* dir.pos( integer ) => integer
*
* Synonym for <code>Dir#seek</code>, but returns the position
* parameter.
*
* d = Dir.new("testdir") #=> #<Dir:0x401b3c40>
* d.read #=> "."
* i = d.pos #=> 12
* d.read #=> ".."
* d.pos = i #=> 12
* d.read #=> ".."
*/
static VALUE
dir_set_pos(VALUE dir, VALUE pos)
{
dir_seek(dir, pos);
return pos;
}
/*
* call-seq:
* dir.rewind => dir
*
* Repositions <em>dir</em> to the first entry.
*
* d = Dir.new("testdir")
* d.read #=> "."
* d.rewind #=> #<Dir:0x401b3fb0>
* d.read #=> "."
*/
static VALUE
dir_rewind(VALUE dir)
{
struct dir_data *dirp;
GetDIR(dir, dirp);
rewinddir(dirp->dir);
return dir;
}
/*
* call-seq:
* dir.close => nil
*
* Closes the directory stream. Any further attempts to access
* <em>dir</em> will raise an <code>IOError</code>.
*
* d = Dir.new("testdir")
* d.close #=> nil
*/
static VALUE
dir_close(VALUE dir)
{
struct dir_data *dirp;
GetDIR(dir, dirp);
closedir(dirp->dir);
dirp->dir = NULL;
return Qnil;
}
static void
dir_chdir(VALUE path)
{
if (chdir(RSTRING(path)->ptr) < 0)
rb_sys_fail(RSTRING(path)->ptr);
}
static int chdir_blocking = 0;
static VALUE chdir_thread = Qnil;
struct chdir_data {
VALUE old_path, new_path;
int done;
};
static VALUE
chdir_yield(struct chdir_data *args)
{
dir_chdir(args->new_path);
args->done = Qtrue;
chdir_blocking++;
if (chdir_thread == Qnil)
chdir_thread = rb_thread_current();
return rb_yield(args->new_path);
}
static VALUE
chdir_restore(struct chdir_data *args)
{
if (args->done) {
chdir_blocking--;
if (chdir_blocking == 0)
chdir_thread = Qnil;
dir_chdir(args->old_path);
}
return Qnil;
}
/*
* call-seq:
* Dir.chdir( [ string] ) => 0
* Dir.chdir( [ string] ) {| path | block } => anObject
*
* Changes the current working directory of the process to the given
* string. When called without an argument, changes the directory to
* the value of the environment variable <code>HOME</code>, or
* <code>LOGDIR</code>. <code>SystemCallError</code> (probably
* <code>Errno::ENOENT</code>) if the target directory does not exist.
*
* If a block is given, it is passed the name of the new current
* directory, and the block is executed with that as the current
* directory. The original working directory is restored when the block
* exits. The return value of <code>chdir</code> is the value of the
* block. <code>chdir</code> blocks can be nested, but in a
* multi-threaded program an error will be raised if a thread attempts
* to open a <code>chdir</code> block while another thread has one
* open.
*
* Dir.chdir("/var/spool/mail")
* puts Dir.pwd
* Dir.chdir("/tmp") do
* puts Dir.pwd
* Dir.chdir("/usr") do
* puts Dir.pwd
* end
* puts Dir.pwd
* end
* puts Dir.pwd
*
* <em>produces:</em>
*
* /var/spool/mail
* /tmp
* /usr
* /tmp
* /var/spool/mail
*/
static VALUE
dir_s_chdir(int argc, VALUE *argv, VALUE obj)
{
VALUE path = Qnil;
rb_secure(2);
if (rb_scan_args(argc, argv, "01", &path) == 1) {
FilePathValue(path);
}
else {
const char *dist = getenv("HOME");
if (!dist) {
dist = getenv("LOGDIR");
if (!dist) rb_raise(rb_eArgError, "HOME/LOGDIR not set");
}
path = rb_str_new2(dist);
}
if (chdir_blocking > 0) {
if (!rb_block_given_p() || rb_thread_current() != chdir_thread)
rb_warn("conflicting chdir during another chdir block");
}
if (rb_block_given_p()) {
struct chdir_data args;
char *cwd = my_getcwd();
args.old_path = rb_tainted_str_new2(cwd); free(cwd);
args.new_path = path;
args.done = Qfalse;
return rb_ensure(chdir_yield, (VALUE)&args, chdir_restore, (VALUE)&args);
}
dir_chdir(path);
return INT2FIX(0);
}
/*
* call-seq:
* Dir.getwd => string
* Dir.pwd => string
*
* Returns the path to the current working directory of this process as
* a string.
*
* Dir.chdir("/tmp") #=> 0
* Dir.getwd #=> "/tmp"
*/
static VALUE
dir_s_getwd(VALUE dir)
{
char *path;
VALUE cwd;
rb_secure(4);
path = my_getcwd();
cwd = rb_tainted_str_new2(path);
free(path);
return cwd;
}
static void
check_dirname(volatile VALUE *dir)
{
char *path, *pend;
rb_secure(2);
FilePathValue(*dir);
path = RSTRING(*dir)->ptr;
if (path && *(pend = rb_path_end(rb_path_skip_prefix(path)))) {
*dir = rb_str_new(path, pend - path);
}
}
/*
* call-seq:
* Dir.chroot( string ) => 0
*
* Changes this process's idea of the file system root. Only a
* privileged process may make this call. Not available on all
* platforms. On Unix systems, see <code>chroot(2)</code> for more
* information.
*/
static VALUE
dir_s_chroot(VALUE dir, VALUE path)
{
#if defined(HAVE_CHROOT) && !defined(__CHECKER__)
check_dirname(&path);
if (chroot(RSTRING(path)->ptr) == -1)
rb_sys_fail(RSTRING(path)->ptr);
return INT2FIX(0);
#else
rb_notimplement();
return Qnil; /* not reached */
#endif
}
/*
* call-seq:
* Dir.mkdir( string [, integer] ) => 0
*
* Makes a new directory named by <i>string</i>, with permissions
* specified by the optional parameter <i>anInteger</i>. The
* permissions may be modified by the value of
* <code>File::umask</code>, and are ignored on NT. Raises a
* <code>SystemCallError</code> if the directory cannot be created. See
* also the discussion of permissions in the class documentation for
* <code>File</code>.
*
*/
static VALUE
dir_s_mkdir(int argc, VALUE *argv, VALUE obj)
{
VALUE path, vmode;
int mode;
if (rb_scan_args(argc, argv, "11", &path, &vmode) == 2) {
mode = NUM2INT(vmode);
}
else {
mode = 0777;
}
check_dirname(&path);
if (mkdir(RSTRING(path)->ptr, mode) == -1)
rb_sys_fail(RSTRING(path)->ptr);
return INT2FIX(0);
}
/*
* call-seq:
* Dir.delete( string ) => 0
* Dir.rmdir( string ) => 0
* Dir.unlink( string ) => 0
*
* Deletes the named directory. Raises a subclass of
* <code>SystemCallError</code> if the directory isn't empty.
*/
static VALUE
dir_s_rmdir(VALUE obj, VALUE dir)
{
check_dirname(&dir);
if (rmdir(RSTRING(dir)->ptr) < 0)
rb_sys_fail(RSTRING(dir)->ptr);
return INT2FIX(0);
}
#define GLOB_VERBOSE (1 << (sizeof(int) * CHAR_BIT - 1))
#define sys_warning(val) \
((flags & GLOB_VERBOSE) && rb_protect((VALUE (*)(VALUE))rb_sys_warning, (VALUE)(val), 0))
/* System call with warning */
static int
do_stat(const char *path, struct stat *pst, int flags)
{
int ret = stat(path, pst);
if (ret < 0 && errno != ENOENT)
sys_warning(path);
return ret;
}
static int
do_lstat(const char *path, struct stat *pst, int flags)
{
int ret = lstat(path, pst);
if (ret < 0 && errno != ENOENT)
sys_warning(path);
return ret;
}
static DIR *
do_opendir(const char *path, int flags)
{
DIR *dirp = opendir(path);
if (dirp == NULL && errno != ENOENT && errno != ENOTDIR)
sys_warning(path);
return dirp;
}
/* Return nonzero if S has any special globbing chars in it. */
static int
has_magic(const char *s, int flags)
{
const int escape = !(flags & FNM_NOESCAPE);
register const char *p = s;
register char c;
while (c = *p++) {
switch (c) {
case '*':
case '?':
case '[':
return 1;
case '\\':
if (escape && !(c = *p++))
return 0;
continue;
}
p = Next(p-1);
}
return 0;
}
/* Find separator in globbing pattern. */
static char *
find_dirsep(const char *s, int flags)
{
const int escape = !(flags & FNM_NOESCAPE);
register const char *p = s;
register char c;
int open = 0;
while (c = *p++) {
switch (c) {
case '[':
open = 1;
continue;
case ']':
open = 0;
continue;
case '/':
if (!open)
return (char *)p-1;
continue;
case '\\':
if (escape && !(c = *p++))
return (char *)p-1;
continue;
}
p = Next(p-1);
}
return (char *)p-1;
}
/* Remove escaping baskclashes */
static void
remove_backslashes(char *p)
{
char *t = p;
char *s = p;
while (*p) {
if (*p == '\\') {
if (t != s)
memmove(t, s, p - s);
t += p - s;
s = ++p;
if (!*p) break;
}
Inc(p);
}
while (*p++);
if (t != s)
memmove(t, s, p - s); /* move '\0' too */
}
/* Globing pattern */
enum glob_pattern_type { PLAIN, MAGICAL, RECURSIVE, MATCH_ALL, MATCH_DIR };
struct glob_pattern {
char *str;
enum glob_pattern_type type;
struct glob_pattern *next;
};
static struct glob_pattern *
glob_make_pattern(const char *p, int flags)
{
struct glob_pattern *list, *tmp, **tail = &list;
int dirsep = 0; /* pattern is terminated with '/' */
while (*p) {
tmp = ALLOC(struct glob_pattern);
if (p[0] == '*' && p[1] == '*' && p[2] == '/') {
/* fold continuous RECURSIVEs (needed in glob_helper) */
do { p += 3; } while (p[0] == '*' && p[1] == '*' && p[2] == '/');
tmp->type = RECURSIVE;
tmp->str = 0;
dirsep = 1;
}
else {
const char *m = find_dirsep(p, flags);
char *buf = ALLOC_N(char, m-p+1);
memcpy(buf, p, m-p);
buf[m-p] = '\0';
tmp->type = has_magic(buf, flags) ? MAGICAL : PLAIN;
tmp->str = buf;
if (*m) {
dirsep = 1;
p = m + 1;
}
else {
dirsep = 0;
p = m;
}
}
*tail = tmp;
tail = &tmp->next;
}
tmp = ALLOC(struct glob_pattern);
tmp->type = dirsep ? MATCH_DIR : MATCH_ALL;
tmp->str = 0;
*tail = tmp;
tmp->next = 0;
return list;
}
static void
glob_free_pattern(struct glob_pattern *list)
{
while (list) {
struct glob_pattern *tmp = list;
list = list->next;
if (tmp->str)
free(tmp->str);
free(tmp);
}
}
static char *
join_path(const char *path, int dirsep, const char *name)
{
long len = strlen(path);
char *buf = ALLOC_N(char, len+strlen(name)+(dirsep?1:0)+1);
memcpy(buf, path, len);
if (dirsep) {
strcpy(buf+len, "/");
len++;
}
strcpy(buf+len, name);
return buf;
}
enum answer { YES, NO, UNKNOWN };
#ifndef S_ISDIR
# define S_ISDIR(m) ((m & S_IFMT) == S_IFDIR)
#endif
#ifndef S_ISLNK
# ifndef S_IFLNK
# define S_ISLNK(m) (0)
# else
# define S_ISLNK(m) ((m & S_IFMT) == S_IFLNK)
# endif
#endif
struct glob_args {
void (*func)(const char *, VALUE);
const char *path;
VALUE value;
};
static VALUE
glob_func_caller(VALUE val)
{
struct glob_args *args = (struct glob_args *)val;
(*args->func)(args->path, args->value);
return Qnil;
}
#define glob_call_func(func, path, arg) (*func)(path, arg)
static int
glob_helper(
const char *path,
int dirsep, /* '/' should be placed before appending child entry's name to 'path'. */
enum answer exist, /* Does 'path' indicate an existing entry? */
enum answer isdir, /* Does 'path' indicate a directory or a symlink to a directory? */
struct glob_pattern **beg,
struct glob_pattern **end,
int flags,
ruby_glob_func *func,
VALUE arg)
{
struct stat st;
int status = 0;
struct glob_pattern **cur, **new_beg, **new_end;
int plain = 0, magical = 0, recursive = 0, match_all = 0, match_dir = 0;
int escape = !(flags & FNM_NOESCAPE);
for (cur = beg; cur < end; ++cur) {
struct glob_pattern *p = *cur;
if (p->type == RECURSIVE) {
recursive = 1;
p = p->next;
}
switch (p->type) {
case PLAIN:
plain = 1;
break;
case MAGICAL:
magical = 1;
break;
case MATCH_ALL:
match_all = 1;
break;
case MATCH_DIR:
match_dir = 1;
break;
case RECURSIVE:
rb_bug("continuous RECURSIVEs");
}
}
if (*path) {
if (match_all && exist == UNKNOWN) {
if (do_lstat(path, &st, flags) == 0) {
exist = YES;
isdir = S_ISDIR(st.st_mode) ? YES : S_ISLNK(st.st_mode) ? UNKNOWN : NO;
}
else {
exist = NO;
isdir = NO;
}
}
if (match_dir && isdir == UNKNOWN) {
if (do_stat(path, &st, flags) == 0) {
exist = YES;
isdir = S_ISDIR(st.st_mode) ? YES : NO;
}
else {
exist = NO;
isdir = NO;
}
}
if (match_all && exist == YES) {
status = glob_call_func(func, path, arg);
if (status) return status;
}
if (match_dir && isdir == YES) {
char *tmp = join_path(path, dirsep, "");
status = glob_call_func(func, tmp, arg);
free(tmp);
if (status) return status;
}
}
if (exist == NO || isdir == NO) return 0;
if (magical || recursive) {
struct dirent *dp;
DIR *dirp = do_opendir(*path ? path : ".", flags);
if (dirp == NULL) return 0;
for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) {
char *buf = join_path(path, dirsep, dp->d_name);
enum answer new_isdir = UNKNOWN;
if (recursive && strcmp(dp->d_name, ".") != 0 && strcmp(dp->d_name, "..") != 0
&& fnmatch("*", dp->d_name, flags) == 0) {
#ifndef _WIN32
if (do_lstat(buf, &st, flags) == 0)
new_isdir = S_ISDIR(st.st_mode) ? YES : S_ISLNK(st.st_mode) ? UNKNOWN : NO;
else
new_isdir = NO;
#else
new_isdir = dp->d_isdir ? (!dp->d_isrep ? YES : UNKNOWN) : NO;
#endif
}
new_beg = new_end = ALLOC_N(struct glob_pattern *, (end - beg) * 2);
for (cur = beg; cur < end; ++cur) {
struct glob_pattern *p = *cur;
if (p->type == RECURSIVE) {
if (new_isdir == YES) /* not symlink but real directory */
*new_end++ = p; /* append recursive pattern */
p = p->next; /* 0 times recursion */
}
if (p->type == PLAIN || p->type == MAGICAL) {
if (fnmatch(p->str, dp->d_name, flags) == 0)
*new_end++ = p->next;
}
}
status = glob_helper(buf, 1, YES, new_isdir, new_beg, new_end, flags, func, arg);
free(buf);
free(new_beg);
if (status) break;
}
closedir(dirp);
}
else if (plain) {
struct glob_pattern **copy_beg, **copy_end, **cur2;
copy_beg = copy_end = ALLOC_N(struct glob_pattern *, end - beg);
for (cur = beg; cur < end; ++cur)
*copy_end++ = (*cur)->type == PLAIN ? *cur : 0;
for (cur = copy_beg; cur < copy_end; ++cur) {
if (*cur) {
char *buf;
char *name;
name = ALLOC_N(char, strlen((*cur)->str) + 1);
strcpy(name, (*cur)->str);
if (escape) remove_backslashes(name);
new_beg = new_end = ALLOC_N(struct glob_pattern *, end - beg);
*new_end++ = (*cur)->next;
for (cur2 = cur + 1; cur2 < copy_end; ++cur2) {
if (*cur2 && fnmatch((*cur2)->str, name, flags) == 0) {
*new_end++ = (*cur2)->next;
*cur2 = 0;
}
}
buf = join_path(path, dirsep, name);
free(name);
status = glob_helper(buf, 1, UNKNOWN, UNKNOWN, new_beg, new_end, flags, func, arg);
free(buf);
free(new_beg);
if (status) break;
}
}
free(copy_beg);
}
return status;
}
static int
ruby_glob0(const char *path, int flags, ruby_glob_func *func, VALUE arg)
{
struct glob_pattern *list;
const char *root, *start;
char *buf;
int n;
int status;
start = root = path;
#if defined DOSISH
flags |= FNM_CASEFOLD;
root = rb_path_skip_prefix(root);
#else
flags &= ~FNM_CASEFOLD;
#endif
if (root && *root == '/') root++;
n = root - start;
buf = ALLOC_N(char, n + 1);
MEMCPY(buf, start, char, n);
buf[n] = '\0';
list = glob_make_pattern(root, flags);
status = glob_helper(buf, 0, UNKNOWN, UNKNOWN, &list, &list + 1, flags, func, arg);
glob_free_pattern(list);
free(buf);
return status;
}
int
ruby_glob(const char *path, int flags, ruby_glob_func *func, VALUE arg)
{
return ruby_glob0(path, flags & ~GLOB_VERBOSE, func, arg);
}
static int
rb_glob_caller(const char *path, VALUE a)
{
int status;
struct glob_args *args = (struct glob_args *)a;
args->path = path;
rb_protect(glob_func_caller, a, &status);
return status;
}
static int
rb_glob2(const char *path, int flags, void (*func)(const char *, VALUE), VALUE arg)
{
struct glob_args args;
args.func = func;
args.value = arg;
if (flags & FNM_CASEFOLD) {
rb_warn("Dir.glob() ignores File::FNM_CASEFOLD");
}
return ruby_glob0(path, flags | GLOB_VERBOSE, rb_glob_caller, (VALUE)&args);
}
void
rb_glob(const char *path, void (*func)(const char *, VALUE), VALUE arg)
{
int status = rb_glob2(path, 0, func, arg);
if (status) rb_jump_tag(status);
}
static void
push_pattern(const char *path, VALUE ary)
{
rb_ary_push(ary, rb_tainted_str_new2(path));
}
int
ruby_brace_expand(const char *str, int flags, ruby_glob_func *func, VALUE arg)
{
const int escape = !(flags & FNM_NOESCAPE);
const char *p = str;
const char *s = p;
const char *lbrace = 0, *rbrace = 0;
int nest = 0, status = 0;
while (*p) {
if (*p == '{' && nest++ == 0) {
lbrace = p;
}
if (*p == '}' && --nest <= 0) {
rbrace = p;
break;
}
if (*p == '\\' && escape) {
if (!*++p) break;
}
Inc(p);
}
if (lbrace && rbrace) {
char *buf = ALLOC_N(char, strlen(s) + 1);
long shift;
memcpy(buf, s, lbrace-s);
shift = (lbrace-s);
p = lbrace;
while (p < rbrace) {
const char *t = ++p;
nest = 0;
while (p < rbrace && !(*p == ',' && nest == 0)) {
if (*p == '{') nest++;
if (*p == '}') nest--;
if (*p == '\\' && escape) {
if (++p == rbrace) break;
}
Inc(p);
}
memcpy(buf+shift, t, p-t);
strcpy(buf+shift+(p-t), rbrace+1);
status = ruby_brace_expand(buf, flags, func, arg);
if (status) break;
}
free(buf);
}
else if (!lbrace && !rbrace) {
status = (*func)(s, arg);
}
return status;
}
struct brace_args {
ruby_glob_func *func;
VALUE value;
int flags;
};
static int
glob_brace(const char *path, VALUE val)
{
struct brace_args *arg = (struct brace_args *)val;
return ruby_glob0(path, arg->flags, arg->func, arg->value);
}
static int
ruby_brace_glob0(const char *str, int flags, ruby_glob_func *func, VALUE arg)
{
struct brace_args args;
args.func = func;
args.value = arg;
args.flags = flags;
return ruby_brace_expand(str, flags, glob_brace, (VALUE)&args);
}
int
ruby_brace_glob(const char *str, int flags, ruby_glob_func *func, VALUE arg)
{
return ruby_brace_glob0(str, flags & ~GLOB_VERBOSE, func, arg);
}
static int
push_glob(VALUE ary, const char *str, int flags)
{
struct glob_args args;
args.func = push_pattern;
args.value = ary;
return ruby_brace_glob0(str, flags | GLOB_VERBOSE, rb_glob_caller, (VALUE)&args);
}
static VALUE
rb_push_glob(VALUE str, int flags) /* '\0' is delimiter */
{
long offset = 0;
VALUE ary;
FilePathValue(str);
ary = rb_ary_new();
while (offset < RSTRING(str)->len) {
int status = push_glob(ary, RSTRING(str)->ptr + offset, flags);
char *p, *pend;
if (status) rb_jump_tag(status);
if (offset >= RSTRING(str)->len) break;
p = RSTRING(str)->ptr + offset;
p += strlen(p) + 1;
pend = RSTRING(str)->ptr + RSTRING(str)->len;
while (p < pend && !*p)
p++;
offset = p - RSTRING(str)->ptr;
}
return ary;
}
static VALUE
dir_globs(long argc, VALUE *argv, int flags)
{
VALUE ary = rb_ary_new();
long i;
for (i = 0; i < argc; ++i) {
int status;
VALUE str = argv[i];
FilePathValue(str);
status = push_glob(ary, RSTRING(str)->ptr, flags);
if (status) rb_jump_tag(status);
}
return ary;
}
/*
* call-seq:
* Dir[ array ] => array
* Dir[ string [, string ...] ] => array
*
* Equivalent to calling
* <code>Dir.glob(</code><i>array,</i><code>0)</code> and
* <code>Dir.glob([</code><i>string,...</i><code>],0)</code>.
*
*/
static VALUE
dir_s_aref(int argc, VALUE *argv, VALUE obj)
{
if (argc == 1) {
return rb_push_glob(argv[0], 0);
}
return dir_globs(argc, argv, 0);
}
/*
* call-seq:
* Dir.glob( pattern, [flags] ) => array
* Dir.glob( pattern, [flags] ) {| filename | block } => nil
*
* Returns the filenames found by expanding <i>pattern</i> which is
* an +Array+ of the patterns or the pattern +String+, either as an
* <i>array</i> or as parameters to the block. Note that this pattern
* is not a regexp (it's closer to a shell glob). See
* <code>File::fnmatch</code> for the meaning of the <i>flags</i>
* parameter. Note that case sensitivity depends on your system (so
* <code>File::FNM_CASEFOLD</code> is ignored)
*
* <code>*</code>:: Matches any file. Can be restricted by
* other values in the glob. <code>*</code>
* will match all files; <code>c*</code> will
* match all files beginning with
* <code>c</code>; <code>*c</code> will match
* all files ending with <code>c</code>; and
* <code>*c*</code> will match all files that
* have <code>c</code> in them (including at
* the beginning or end). Equivalent to
* <code>/ .* /x</code> in regexp.
* <code>**</code>:: Matches directories recursively.
* <code>?</code>:: Matches any one character. Equivalent to
* <code>/.{1}/</code> in regexp.
* <code>[set]</code>:: Matches any one character in +set+.
* Behaves exactly like character sets in
* Regexp, including set negation
* (<code>[^a-z]</code>).
* <code>{p,q}</code>:: Matches either literal <code>p</code> or
* literal <code>q</code>. Matching literals
* may be more than one character in length.
* More than two literals may be specified.
* Equivalent to pattern alternation in
* regexp.
* <code>\</code>:: Escapes the next metacharacter.
*
* Dir["config.?"] #=> ["config.h"]
* Dir.glob("config.?") #=> ["config.h"]
* Dir.glob("*.[a-z][a-z]") #=> ["main.rb"]
* Dir.glob("*.[^r]*") #=> ["config.h"]
* Dir.glob("*.{rb,h}") #=> ["main.rb", "config.h"]
* Dir.glob("*") #=> ["config.h", "main.rb"]
* Dir.glob("*", File::FNM_DOTMATCH) #=> [".", "..", "config.h", "main.rb"]
*
* rbfiles = File.join("**", "*.rb")
* Dir.glob(rbfiles) #=> ["main.rb",
* "lib/song.rb",
* "lib/song/karaoke.rb"]
* libdirs = File.join("**", "lib")
* Dir.glob(libdirs) #=> ["lib"]
*
* librbfiles = File.join("**", "lib", "**", "*.rb")
* Dir.glob(librbfiles) #=> ["lib/song.rb",
* "lib/song/karaoke.rb"]
*
* librbfiles = File.join("**", "lib", "*.rb")
* Dir.glob(librbfiles) #=> ["lib/song.rb"]
*/
static VALUE
dir_s_glob(int argc, VALUE *argv, VALUE obj)
{
VALUE str, rflags, ary;
int flags;
if (rb_scan_args(argc, argv, "11", &str, &rflags) == 2)
flags = NUM2INT(rflags);
else
flags = 0;
ary = rb_check_array_type(str);
if (NIL_P(ary)) {
ary = rb_push_glob(str, flags);
}
else {
volatile VALUE v = ary;
ary = dir_globs(RARRAY(ary)->len, RARRAY(ary)->ptr, flags);
}
if (rb_block_given_p()) {
rb_ary_each(ary);
return Qnil;
}
return ary;
}
static VALUE
dir_open_dir(VALUE path)
{
VALUE dir = rb_funcall(rb_cDir, rb_intern("open"), 1, path);
if (TYPE(dir) != T_DATA ||
RDATA(dir)->dfree != (RUBY_DATA_FUNC)free_dir) {
rb_raise(rb_eTypeError, "wrong argument type %s (expected Dir)",
rb_obj_classname(dir));
}
return dir;
}
/*
* call-seq:
* Dir.foreach( dirname ) {| filename | block } => nil
*
* Calls the block once for each entry in the named directory, passing
* the filename of each entry as a parameter to the block.
*
* Dir.foreach("testdir") {|x| puts "Got #{x}" }
*
* <em>produces:</em>
*
* Got .
* Got ..
* Got config.h
* Got main.rb
*
*/
static VALUE
dir_foreach(VALUE io, VALUE dirname)
{
VALUE dir;
dir = dir_open_dir(dirname);
rb_ensure(dir_each, dir, dir_close, dir);
return Qnil;
}
/*
* call-seq:
* Dir.entries( dirname ) => array
*
* Returns an array containing all of the filenames in the given
* directory. Will raise a <code>SystemCallError</code> if the named
* directory doesn't exist.
*
* Dir.entries("testdir") #=> [".", "..", "config.h", "main.rb"]
*
*/
static VALUE
dir_entries(VALUE io, VALUE dirname)
{
VALUE dir;
dir = dir_open_dir(dirname);
return rb_ensure(rb_Array, dir, dir_close, dir);
}
/*
* call-seq:
* File.fnmatch( pattern, path, [flags] ) => (true or false)
* File.fnmatch?( pattern, path, [flags] ) => (true or false)
*
* Returns true if <i>path</i> matches against <i>pattern</i> The
* pattern is not a regular expression; instead it follows rules
* similar to shell filename globbing. It may contain the following
* metacharacters:
*
* <code>*</code>:: Matches any file. Can be restricted by
* other values in the glob. <code>*</code>
* will match all files; <code>c*</code> will
* match all files beginning with
* <code>c</code>; <code>*c</code> will match
* all files ending with <code>c</code>; and
* <code>*c*</code> will match all files that
* have <code>c</code> in them (including at
* the beginning or end). Equivalent to
* <code>/ .* /x</code> in regexp.
* <code>**</code>:: Matches directories recursively or files
* expansively.
* <code>?</code>:: Matches any one character. Equivalent to
* <code>/.{1}/</code> in regexp.
* <code>[set]</code>:: Matches any one character in +set+.
* Behaves exactly like character sets in
* Regexp, including set negation
* (<code>[^a-z]</code>).
* <code>\</code>:: Escapes the next metacharacter.
*
* <i>flags</i> is a bitwise OR of the <code>FNM_xxx</code>
* parameters. The same glob pattern and flags are used by
* <code>Dir::glob</code>.
*
* File.fnmatch('cat', 'cat') #=> true : match entire string
* File.fnmatch('cat', 'category') #=> false : only match partial string
* File.fnmatch('c{at,ub}s', 'cats') #=> false : { } isn't supported
*
* File.fnmatch('c?t', 'cat') #=> true : '?' match only 1 character
* File.fnmatch('c??t', 'cat') #=> false : ditto
* File.fnmatch('c*', 'cats') #=> true : '*' match 0 or more characters
* File.fnmatch('c*t', 'c/a/b/t') #=> true : ditto
* File.fnmatch('ca[a-z]', 'cat') #=> true : inclusive bracket expression
* File.fnmatch('ca[^t]', 'cat') #=> false : exclusive bracket expression ('^' or '!')
*
* File.fnmatch('cat', 'CAT') #=> false : case sensitive
* File.fnmatch('cat', 'CAT', File::FNM_CASEFOLD) #=> true : case insensitive
*
* File.fnmatch('?', '/', File::FNM_PATHNAME) #=> false : wildcard doesn't match '/' on FNM_PATHNAME
* File.fnmatch('*', '/', File::FNM_PATHNAME) #=> false : ditto
* File.fnmatch('[/]', '/', File::FNM_PATHNAME) #=> false : ditto
*
* File.fnmatch('\?', '?') #=> true : escaped wildcard becomes ordinary
* File.fnmatch('\a', 'a') #=> true : escaped ordinary remains ordinary
* File.fnmatch('\a', '\a', File::FNM_NOESCAPE) #=> true : FNM_NOESACPE makes '\' ordinary
* File.fnmatch('[\?]', '?') #=> true : can escape inside bracket expression
*
* File.fnmatch('*', '.profile') #=> false : wildcard doesn't match leading
* File.fnmatch('*', '.profile', File::FNM_DOTMATCH) #=> true period by default.
* File.fnmatch('.*', '.profile') #=> true
*
* rbfiles = File.join("**", "*.rb")
* File.fnmatch(rbfiles, 'main.rb') #=> false
* File.fnmatch(rbfiles, './main.rb') #=> false
* File.fnmatch(rbfiles, 'lib/song.rb') #=> true
* File.fnmatch('**.rb', 'main.rb') #=> true
* File.fnmatch('**.rb', './main.rb') #=> false
* File.fnmatch('**.rb', 'lib/song.rb') #=> true
* File.fnmatch('*', 'dave/.profile') #=> true
*
* File.fnmatch('* IGNORE /*', 'dave/.profile', File::FNM_PATHNAME) #=> false
* File.fnmatch('* IGNORE /*', 'dave/.profile', File::FNM_PATHNAME | File::FNM_DOTMATCH) #=> true
*
* File.fnmatch('** IGNORE /foo', 'a/b/c/foo', File::FNM_PATHNAME) #=> true
* File.fnmatch('** IGNORE /foo', '/a/b/c/foo', File::FNM_PATHNAME) #=> true
* File.fnmatch('** IGNORE /foo', 'c:/a/b/c/foo', File::FNM_PATHNAME) #=> true
* File.fnmatch('** IGNORE /foo', 'a/.b/c/foo', File::FNM_PATHNAME) #=> false
* File.fnmatch('** IGNORE /foo', 'a/.b/c/foo', File::FNM_PATHNAME | File::FNM_DOTMATCH) #=> true
*/
static VALUE
file_s_fnmatch(int argc, VALUE *argv, VALUE obj)
{
VALUE pattern, path;
VALUE rflags;
int flags;
if (rb_scan_args(argc, argv, "21", &pattern, &path, &rflags) == 3)
flags = NUM2INT(rflags);
else
flags = 0;
StringValue(pattern);
StringValue(path);
if (fnmatch(RSTRING(pattern)->ptr, RSTRING(path)->ptr, flags) == 0)
return Qtrue;
return Qfalse;
}
/*
* Objects of class <code>Dir</code> are directory streams representing
* directories in the underlying file system. They provide a variety of
* ways to list directories and their contents. See also
* <code>File</code>.
*
* The directory used in these examples contains the two regular files
* (<code>config.h</code> and <code>main.rb</code>), the parent
* directory (<code>..</code>), and the directory itself
* (<code>.</code>).
*/
void
Init_Dir(void)
{
rb_cDir = rb_define_class("Dir", rb_cObject);
rb_include_module(rb_cDir, rb_mEnumerable);
rb_define_alloc_func(rb_cDir, dir_s_alloc);
rb_define_singleton_method(rb_cDir, "open", dir_s_open, 1);
rb_define_singleton_method(rb_cDir, "foreach", dir_foreach, 1);
rb_define_singleton_method(rb_cDir, "entries", dir_entries, 1);
rb_define_method(rb_cDir,"initialize", dir_initialize, 1);
rb_define_method(rb_cDir,"path", dir_path, 0);
rb_define_method(rb_cDir,"inspect", dir_inspect, 0);
rb_define_method(rb_cDir,"read", dir_read, 0);
rb_define_method(rb_cDir,"each", dir_each, 0);
rb_define_method(rb_cDir,"rewind", dir_rewind, 0);
rb_define_method(rb_cDir,"tell", dir_tell, 0);
rb_define_method(rb_cDir,"seek", dir_seek, 1);
rb_define_method(rb_cDir,"pos", dir_tell, 0);
rb_define_method(rb_cDir,"pos=", dir_set_pos, 1);
rb_define_method(rb_cDir,"close", dir_close, 0);
rb_define_singleton_method(rb_cDir,"chdir", dir_s_chdir, -1);
rb_define_singleton_method(rb_cDir,"getwd", dir_s_getwd, 0);
rb_define_singleton_method(rb_cDir,"pwd", dir_s_getwd, 0);
rb_define_singleton_method(rb_cDir,"chroot", dir_s_chroot, 1);
rb_define_singleton_method(rb_cDir,"mkdir", dir_s_mkdir, -1);
rb_define_singleton_method(rb_cDir,"rmdir", dir_s_rmdir, 1);
rb_define_singleton_method(rb_cDir,"delete", dir_s_rmdir, 1);
rb_define_singleton_method(rb_cDir,"unlink", dir_s_rmdir, 1);
rb_define_singleton_method(rb_cDir,"glob", dir_s_glob, -1);
rb_define_singleton_method(rb_cDir,"[]", dir_s_aref, -1);
rb_define_singleton_method(rb_cFile,"fnmatch", file_s_fnmatch, -1);
rb_define_singleton_method(rb_cFile,"fnmatch?", file_s_fnmatch, -1);
rb_file_const("FNM_NOESCAPE", INT2FIX(FNM_NOESCAPE));
rb_file_const("FNM_PATHNAME", INT2FIX(FNM_PATHNAME));
rb_file_const("FNM_DOTMATCH", INT2FIX(FNM_DOTMATCH));
rb_file_const("FNM_CASEFOLD", INT2FIX(FNM_CASEFOLD));
}
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