mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
7ea2ceddb8
which included commits to RCS files with non-trunk default branches. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
425 lines
7.3 KiB
C
425 lines
7.3 KiB
C
/************************************************
|
|
|
|
dir.c -
|
|
|
|
$Author$
|
|
$Date$
|
|
created at: Wed Jan 5 09:51:01 JST 1994
|
|
|
|
Copyright (C) 1993-1996 Yukihiro Matsumoto
|
|
|
|
************************************************/
|
|
|
|
#include "ruby.h"
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
|
|
#ifdef HAVE_SYS_PARAM_H
|
|
# include <sys/param.h>
|
|
#else
|
|
# define MAXPATHLEN 1024
|
|
#endif
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
#if HAVE_DIRENT_H
|
|
# include <dirent.h>
|
|
# define NAMLEN(dirent) strlen((dirent)->d_name)
|
|
#else
|
|
# define dirent direct
|
|
# define NAMLEN(dirent) (dirent)->d_namlen
|
|
# 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 NT
|
|
# include "missing/dir.h"
|
|
# endif
|
|
#endif
|
|
|
|
#include <errno.h>
|
|
|
|
#ifndef NT
|
|
char *getenv();
|
|
#endif
|
|
|
|
static VALUE cDir;
|
|
|
|
static void
|
|
free_dir(dir)
|
|
DIR *dir;
|
|
{
|
|
if (dir) closedir(dir);
|
|
}
|
|
|
|
static VALUE
|
|
dir_s_open(dir_class, dirname)
|
|
VALUE dir_class, dirname;
|
|
{
|
|
VALUE obj;
|
|
DIR *dirp;
|
|
|
|
Check_SafeStr(dirname);
|
|
|
|
dirp = opendir(RSTRING(dirname)->ptr);
|
|
if (dirp == NULL) {
|
|
if (errno == EMFILE || errno == ENFILE) {
|
|
gc_gc();
|
|
dirp = opendir(RSTRING(dirname)->ptr);
|
|
}
|
|
if (dirp == NULL) {
|
|
rb_sys_fail(RSTRING(dirname)->ptr);
|
|
}
|
|
}
|
|
|
|
obj = Data_Wrap_Struct(dir_class, 0, free_dir, dirp);
|
|
|
|
return obj;
|
|
}
|
|
|
|
static void
|
|
dir_closed()
|
|
{
|
|
Fail("closed directory");
|
|
}
|
|
|
|
#define GetDIR(obj, dirp) {\
|
|
Data_Get_Struct(obj, DIR, dirp);\
|
|
if (dirp == NULL) dir_closed();\
|
|
}
|
|
|
|
static VALUE
|
|
dir_each(dir)
|
|
VALUE dir;
|
|
{
|
|
DIR *dirp;
|
|
struct dirent *dp;
|
|
VALUE file;
|
|
|
|
GetDIR(dir, dirp);
|
|
for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp)) {
|
|
file = str_taint(str_new(dp->d_name, NAMLEN(dp)));
|
|
rb_yield(file);
|
|
}
|
|
return dir;
|
|
}
|
|
|
|
static VALUE
|
|
dir_tell(dir)
|
|
VALUE dir;
|
|
{
|
|
DIR *dirp;
|
|
int pos;
|
|
|
|
#if !defined(__CYGWIN32__)
|
|
GetDIR(dir, dirp);
|
|
pos = telldir(dirp);
|
|
return int2inum(pos);
|
|
#else
|
|
rb_notimplement();
|
|
#endif
|
|
}
|
|
|
|
static VALUE
|
|
dir_seek(dir, pos)
|
|
VALUE dir, pos;
|
|
{
|
|
DIR *dirp;
|
|
|
|
#if !defined(__CYGWIN32__)
|
|
GetDIR(dir, dirp);
|
|
seekdir(dirp, NUM2INT(pos));
|
|
return dir;
|
|
#else
|
|
rb_notimplement();
|
|
#endif
|
|
}
|
|
|
|
static VALUE
|
|
dir_rewind(dir)
|
|
VALUE dir;
|
|
{
|
|
DIR *dirp;
|
|
|
|
GetDIR(dir, dirp);
|
|
rewinddir(dirp);
|
|
return dir;
|
|
}
|
|
|
|
static VALUE
|
|
dir_close(dir)
|
|
VALUE dir;
|
|
{
|
|
DIR *dirp;
|
|
|
|
Data_Get_Struct(dir, DIR, dirp);
|
|
if (dirp == NULL) dir_closed();
|
|
closedir(dirp);
|
|
DATA_PTR(dir) = NULL;
|
|
|
|
return Qnil;
|
|
}
|
|
|
|
static VALUE
|
|
dir_s_chdir(argc, argv, obj)
|
|
int argc;
|
|
VALUE *argv;
|
|
VALUE obj;
|
|
{
|
|
VALUE path;
|
|
char *dist = "";
|
|
|
|
rb_secure(2);
|
|
rb_scan_args(argc, argv, "01", &path);
|
|
if (!NIL_P(path)) {
|
|
Check_SafeStr(path);
|
|
dist = RSTRING(path)->ptr;
|
|
}
|
|
else {
|
|
dist = getenv("HOME");
|
|
if (!dist) {
|
|
dist = getenv("LOGDIR");
|
|
}
|
|
}
|
|
|
|
if (chdir(dist) < 0)
|
|
rb_sys_fail(0);
|
|
|
|
return INT2FIX(0);
|
|
}
|
|
|
|
static VALUE
|
|
dir_s_getwd(dir)
|
|
VALUE dir;
|
|
{
|
|
extern char *getwd();
|
|
char path[MAXPATHLEN];
|
|
|
|
#ifdef HAVE_GETCWD
|
|
if (getcwd(path, sizeof(path)) == 0) rb_sys_fail(path);
|
|
#else
|
|
if (getwd(path) == 0) rb_sys_fail(path);
|
|
#endif
|
|
|
|
return str_taint(str_new2(path));
|
|
}
|
|
|
|
static VALUE
|
|
dir_s_chroot(dir, path)
|
|
VALUE dir, path;
|
|
{
|
|
#if !defined(DJGPP) && !defined(__CYGWIN32__) && !defined(NT) && !defined(__human68k__)
|
|
rb_secure(2);
|
|
Check_SafeStr(path);
|
|
|
|
if (chroot(RSTRING(path)->ptr) == -1)
|
|
rb_sys_fail(0);
|
|
|
|
return INT2FIX(0);
|
|
#else
|
|
rb_notimplement();
|
|
#endif
|
|
}
|
|
|
|
static VALUE
|
|
dir_s_mkdir(argc, argv, obj)
|
|
int argc;
|
|
VALUE *argv;
|
|
VALUE obj;
|
|
{
|
|
VALUE path, vmode;
|
|
int mode;
|
|
|
|
rb_secure(2);
|
|
if (rb_scan_args(argc, argv, "11", &path, &vmode) == 2) {
|
|
mode = NUM2INT(vmode);
|
|
}
|
|
else {
|
|
mode = 0777;
|
|
}
|
|
|
|
Check_SafeStr(path);
|
|
#ifndef NT
|
|
if (mkdir(RSTRING(path)->ptr, mode) == -1)
|
|
rb_sys_fail(RSTRING(path)->ptr);
|
|
#else
|
|
if (mkdir(RSTRING(path)->ptr) == -1)
|
|
rb_sys_fail(RSTRING(path)->ptr);
|
|
#endif
|
|
|
|
return INT2FIX(0);
|
|
}
|
|
|
|
static VALUE
|
|
dir_s_rmdir(obj, dir)
|
|
VALUE obj, dir;
|
|
{
|
|
rb_secure(2);
|
|
Check_SafeStr(dir);
|
|
if (rmdir(RSTRING(dir)->ptr) < 0)
|
|
rb_sys_fail(RSTRING(dir)->ptr);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
#define isdelim(c) ((c)==' '||(c)=='\t'||(c)=='\n'||(c)=='\0')
|
|
|
|
char **glob_filename();
|
|
extern char *glob_error_return;
|
|
|
|
static void
|
|
push_globs(ary, s)
|
|
VALUE ary;
|
|
char *s;
|
|
{
|
|
char **fnames, **ff;
|
|
|
|
fnames = glob_filename(s);
|
|
if (fnames == (char**)-1) rb_sys_fail(s);
|
|
ff = fnames;
|
|
while (*ff) {
|
|
ary_push(ary, str_taint(str_new2(*ff)));
|
|
free(*ff);
|
|
ff++;
|
|
}
|
|
if (fnames != &glob_error_return) {
|
|
free(fnames);
|
|
}
|
|
}
|
|
|
|
static void
|
|
push_braces(ary, s)
|
|
VALUE ary;
|
|
char *s;
|
|
{
|
|
char buf[MAXPATHLEN];
|
|
char *p, *t, *b;
|
|
char *lbrace, *rbrace;
|
|
|
|
p = s;
|
|
lbrace = rbrace = 0;
|
|
while (*p) {
|
|
if (*p == '{') {
|
|
lbrace = p;
|
|
break;
|
|
}
|
|
p++;
|
|
}
|
|
while (*p) {
|
|
if (*p == '}' && lbrace) {
|
|
rbrace = p;
|
|
break;
|
|
}
|
|
p++;
|
|
}
|
|
|
|
if (lbrace) {
|
|
memcpy(buf, s, lbrace-s);
|
|
b = buf + (lbrace-s);
|
|
p = lbrace;
|
|
while (*p != '}') {
|
|
t = p + 1;
|
|
for (p = t; *p!='}' && *p!=','; p++) {
|
|
/* skip inner braces */
|
|
if (*p == '{') while (*p!='}') p++;
|
|
}
|
|
memcpy(b, t, p-t);
|
|
strcpy(b+(p-t), rbrace+1);
|
|
push_braces(ary, buf);
|
|
}
|
|
}
|
|
else {
|
|
push_globs(ary, s);
|
|
}
|
|
}
|
|
|
|
static VALUE
|
|
dir_s_glob(dir, vstr)
|
|
VALUE dir, vstr;
|
|
{
|
|
char *p, *pend;
|
|
char buf[MAXPATHLEN];
|
|
char *t, *t0;
|
|
int nest;
|
|
VALUE ary;
|
|
struct RString *str;
|
|
|
|
Check_SafeStr(vstr);
|
|
str = RSTRING(vstr);
|
|
ary = ary_new();
|
|
|
|
p = str->ptr;
|
|
pend = p + str->len;
|
|
|
|
while (p < pend) {
|
|
t = buf;
|
|
while (p < pend && isdelim(*p)) p++;
|
|
while (p < pend && !isdelim(*p)) {
|
|
*t++ = *p++;
|
|
}
|
|
*t = '\0';
|
|
t0 = buf;
|
|
nest = 0;
|
|
while (t0 < t) {
|
|
if (*t0 == '{') nest+=2;
|
|
if (*t0 == '}') nest+=3;
|
|
t0++;
|
|
}
|
|
if (nest == 0) {
|
|
push_globs(ary, buf);
|
|
}
|
|
else if (nest % 5 == 0) {
|
|
push_braces(ary, buf);
|
|
}
|
|
/* else unmatched braces */
|
|
}
|
|
return ary;
|
|
}
|
|
|
|
static VALUE
|
|
dir_foreach(io, dirname)
|
|
VALUE io, dirname;
|
|
{
|
|
VALUE dir;
|
|
|
|
dir = dir_s_open(cDir, dirname);
|
|
return rb_ensure(dir_each, dir, dir_close, dir);
|
|
}
|
|
|
|
void
|
|
Init_Dir()
|
|
{
|
|
extern VALUE mEnumerable;
|
|
|
|
cDir = rb_define_class("Dir", cObject);
|
|
|
|
rb_include_module(cDir, mEnumerable);
|
|
|
|
rb_define_singleton_method(cDir, "open", dir_s_open, 1);
|
|
rb_define_singleton_method(cDir, "foreach", dir_foreach, 1);
|
|
|
|
rb_define_method(cDir,"each", dir_each, 0);
|
|
rb_define_method(cDir,"rewind", dir_rewind, 0);
|
|
rb_define_method(cDir,"tell", dir_tell, 0);
|
|
rb_define_method(cDir,"seek", dir_seek, 1);
|
|
rb_define_method(cDir,"close", dir_close, 0);
|
|
|
|
rb_define_singleton_method(cDir,"chdir", dir_s_chdir, -1);
|
|
rb_define_singleton_method(cDir,"getwd", dir_s_getwd, 0);
|
|
rb_define_singleton_method(cDir,"pwd", dir_s_getwd, 0);
|
|
rb_define_singleton_method(cDir,"chroot", dir_s_chroot, 1);
|
|
rb_define_singleton_method(cDir,"mkdir", dir_s_mkdir, -1);
|
|
rb_define_singleton_method(cDir,"rmdir", dir_s_rmdir, 1);
|
|
rb_define_singleton_method(cDir,"delete", dir_s_rmdir, 1);
|
|
rb_define_singleton_method(cDir,"unlink", dir_s_rmdir, 1);
|
|
|
|
rb_define_singleton_method(cDir,"glob", dir_s_glob, 1);
|
|
rb_define_singleton_method(cDir,"[]", dir_s_glob, 1);
|
|
}
|