mirror of git://gcc.gnu.org/git/gcc.git
328 lines
6.8 KiB
C++
328 lines
6.8 KiB
C++
// natFile.cc - Native part of File class for POSIX.
|
|
|
|
/* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation
|
|
|
|
This file is part of libgcj.
|
|
|
|
This software is copyrighted work licensed under the terms of the
|
|
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
|
|
details. */
|
|
|
|
#include <config.h>
|
|
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include <sys/param.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
#include <fcntl.h>
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
#include <stdlib.h>
|
|
#ifdef HAVE_DIRENT_H
|
|
#include <dirent.h>
|
|
#endif
|
|
#include <string.h>
|
|
#include <utime.h>
|
|
|
|
#include <gcj/cni.h>
|
|
#include <jvm.h>
|
|
#include <java/io/File.h>
|
|
#include <java/io/IOException.h>
|
|
#include <java/util/ArrayList.h>
|
|
#include <java/lang/String.h>
|
|
#include <java/io/FilenameFilter.h>
|
|
#include <java/io/FileFilter.h>
|
|
#include <java/lang/System.h>
|
|
|
|
jboolean
|
|
java::io::File::_access (jint query)
|
|
{
|
|
char buf[MAXPATHLEN];
|
|
jsize total = JvGetStringUTFRegion (path, 0, path->length(), buf);
|
|
// FIXME?
|
|
buf[total] = '\0';
|
|
JvAssert (query == READ || query == WRITE || query == EXISTS);
|
|
#ifdef HAVE_ACCESS
|
|
int mode;
|
|
if (query == READ)
|
|
mode = R_OK;
|
|
else if (query == WRITE)
|
|
mode = W_OK;
|
|
else
|
|
mode = F_OK;
|
|
return ::access (buf, mode) == 0;
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
jboolean
|
|
java::io::File::_stat (jint query)
|
|
{
|
|
char buf[MAXPATHLEN];
|
|
jsize total = JvGetStringUTFRegion (path, 0, path->length(), buf);
|
|
// FIXME?
|
|
buf[total] = '\0';
|
|
|
|
if (query == ISHIDDEN)
|
|
return (getName()->charAt(0) == '.');
|
|
|
|
#ifdef HAVE_STAT
|
|
struct stat sb;
|
|
if (::stat (buf, &sb))
|
|
return false;
|
|
|
|
JvAssert (query == DIRECTORY || query == ISFILE);
|
|
jboolean r = S_ISDIR (sb.st_mode);
|
|
return query == DIRECTORY ? r : ! r;
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
jlong
|
|
java::io::File::attr (jint query)
|
|
{
|
|
char buf[MAXPATHLEN];
|
|
jsize total = JvGetStringUTFRegion (path, 0, path->length(), buf);
|
|
// FIXME?
|
|
buf[total] = '\0';
|
|
|
|
#ifdef HAVE_STAT
|
|
struct stat sb;
|
|
// FIXME: not sure about return value here.
|
|
if (::stat (buf, &sb))
|
|
return 0;
|
|
|
|
JvAssert (query == MODIFIED || query == LENGTH);
|
|
return query == MODIFIED ? (jlong)sb.st_mtime * 1000 : sb.st_size;
|
|
#else
|
|
// There's no good choice here.
|
|
return 23;
|
|
#endif
|
|
}
|
|
|
|
jstring
|
|
java::io::File::getCanonicalPath (void)
|
|
{
|
|
char buf[MAXPATHLEN], buf2[MAXPATHLEN];
|
|
jsize total = JvGetStringUTFRegion (path, 0, path->length(), buf);
|
|
// FIXME?
|
|
buf[total] = '\0';
|
|
|
|
#ifdef HAVE_REALPATH
|
|
if (realpath (buf, buf2) == NULL)
|
|
throw new IOException (JvNewStringLatin1 (strerror (errno)));
|
|
|
|
// FIXME: what encoding to assume for file names? This affects many
|
|
// calls.
|
|
return JvNewStringUTF (buf2);
|
|
#else
|
|
return JvNewStringUTF (buf);
|
|
#endif
|
|
}
|
|
|
|
jboolean
|
|
java::io::File::isAbsolute (void)
|
|
{
|
|
return path->charAt(0) == '/';
|
|
}
|
|
|
|
jobjectArray
|
|
java::io::File::performList (java::io::FilenameFilter *filter,
|
|
java::io::FileFilter *fileFilter,
|
|
java::lang::Class *result_type)
|
|
{
|
|
#ifdef HAVE_DIRENT_H
|
|
char buf[MAXPATHLEN];
|
|
jsize total = JvGetStringUTFRegion (path, 0, path->length(), buf);
|
|
// FIXME?
|
|
buf[total] = '\0';
|
|
|
|
DIR *dir = opendir (buf);
|
|
if (! dir)
|
|
return NULL;
|
|
|
|
|
|
java::util::ArrayList *list = new java::util::ArrayList ();
|
|
struct dirent *d;
|
|
#ifdef HAVE_READDIR_R
|
|
int name_max = pathconf (buf, _PC_NAME_MAX);
|
|
char dbuf[sizeof (struct dirent) + name_max + 1];
|
|
while (readdir_r (dir, (struct dirent *) dbuf, &d) == 0 && d != NULL)
|
|
#else /* HAVE_READDIR_R */
|
|
while ((d = readdir (dir)) != NULL)
|
|
#endif /* HAVE_READDIR_R */
|
|
{
|
|
// Omit "." and "..".
|
|
if (d->d_name[0] == '.'
|
|
&& (d->d_name[1] == '\0'
|
|
|| (d->d_name[1] == '.' && d->d_name[2] == '\0')))
|
|
continue;
|
|
|
|
jstring name = JvNewStringUTF (d->d_name);
|
|
if (filter && ! filter->accept(this, name))
|
|
continue;
|
|
|
|
if (result_type == &java::io::File::class$)
|
|
{
|
|
java::io::File *file = new java::io::File (this, name);
|
|
if (fileFilter && ! fileFilter->accept(file))
|
|
continue;
|
|
|
|
list->add(file);
|
|
}
|
|
else
|
|
list->add(name);
|
|
}
|
|
|
|
closedir (dir);
|
|
|
|
jobjectArray ret = JvNewObjectArray (list->size(), result_type, NULL);
|
|
list->toArray(ret);
|
|
return ret;
|
|
#else /* HAVE_DIRENT_H */
|
|
return NULL;
|
|
#endif /* HAVE_DIRENT_H */
|
|
}
|
|
|
|
jboolean
|
|
java::io::File::performMkdir (void)
|
|
{
|
|
char buf[MAXPATHLEN];
|
|
jsize total = JvGetStringUTFRegion (path, 0, path->length(), buf);
|
|
// FIXME?
|
|
buf[total] = '\0';
|
|
|
|
#ifdef HAVE_MKDIR
|
|
return ::mkdir (buf, 0755) == 0;
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
jboolean
|
|
java::io::File::performSetReadOnly (void)
|
|
{
|
|
char buf[MAXPATHLEN];
|
|
jsize total = JvGetStringUTFRegion (path, 0, path->length(), buf);
|
|
// FIXME?
|
|
buf[total] = '\0';
|
|
|
|
#if defined (HAVE_STAT) && defined (HAVE_CHMOD)
|
|
struct stat sb;
|
|
if (::stat (buf, &sb))
|
|
return false;
|
|
|
|
if (::chmod(buf, sb.st_mode & 0555))
|
|
return false;
|
|
return true;
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
static JArray<java::io::File *> *unixroot;
|
|
|
|
JArray< ::java::io::File *>*
|
|
java::io::File::performListRoots ()
|
|
{
|
|
if (unixroot == NULL)
|
|
{
|
|
::java::io::File *f = new ::java::io::File (JvNewStringLatin1 ("/"));
|
|
unixroot = reinterpret_cast <JArray<java::io::File *>*>
|
|
(JvNewObjectArray (1, &java::io::File::class$, f));
|
|
elements (unixroot) [0] = f;
|
|
}
|
|
return unixroot;
|
|
}
|
|
|
|
jboolean
|
|
java::io::File::performRenameTo (File *dest)
|
|
{
|
|
char buf[MAXPATHLEN];
|
|
jsize total = JvGetStringUTFRegion (path, 0, path->length(), buf);
|
|
// FIXME?
|
|
buf[total] = '\0';
|
|
char buf2[MAXPATHLEN];
|
|
total = JvGetStringUTFRegion (dest->path, 0, dest->path->length(), buf2);
|
|
// FIXME?
|
|
buf2[total] = '\0';
|
|
|
|
#ifdef HAVE_RENAME
|
|
return ::rename (buf, buf2) == 0;
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
jboolean
|
|
java::io::File::performSetLastModified (jlong time)
|
|
{
|
|
#ifdef HAVE_UTIME
|
|
utimbuf tb;
|
|
|
|
char buf[MAXPATHLEN];
|
|
jsize total = JvGetStringUTFRegion (path, 0, path->length(), buf);
|
|
// FIXME?
|
|
buf[total] = '\0';
|
|
|
|
tb.actime = time / 1000;
|
|
tb.modtime = time / 1000;
|
|
return ::utime (buf, &tb);
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
jboolean
|
|
java::io::File::performCreate (void)
|
|
{
|
|
char buf[MAXPATHLEN];
|
|
jsize total = JvGetStringUTFRegion (path, 0, path->length(), buf);
|
|
// FIXME?
|
|
buf[total] = '\0';
|
|
|
|
int fd = ::open (buf, O_CREAT | O_EXCL, 0644);
|
|
|
|
if (fd < 0)
|
|
{
|
|
if (errno == EEXIST)
|
|
return false;
|
|
throw new IOException (JvNewStringLatin1 (strerror (errno)));
|
|
}
|
|
else
|
|
{
|
|
::close (fd);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
jboolean
|
|
java::io::File::performDelete (void)
|
|
{
|
|
char buf[MAXPATHLEN];
|
|
jsize total = JvGetStringUTFRegion (path, 0, path->length(), buf);
|
|
// FIXME?
|
|
buf[total] = '\0';
|
|
|
|
#ifdef HAVE_UNLINK
|
|
#ifdef HAVE_RMDIR
|
|
if (! ::rmdir (buf))
|
|
return true;
|
|
if (errno == ENOTDIR)
|
|
#endif // HAVE_RMDIR
|
|
return ::unlink (buf) == 0;
|
|
#endif // HAVE_UNLINK
|
|
return false;
|
|
}
|
|
|
|
void
|
|
java::io::File::init_native ()
|
|
{
|
|
maxPathLen = MAXPATHLEN;
|
|
caseSensitive = true;
|
|
}
|