727701cdeb
* NEW: Bytecode version has been incremented, so all projects need to be recompiled! [INTERPRETER] * OPT: Many little optimizations. * OPT: Avoid calls to setjmp() when it is possible. * OPT: Do not encode the stack drop inside the CALL instruction. Executables are a bit larger, but a little speed is gained. [COMPILER] * OPT: Do not encode the stack drop inside the CALL instruction. Executables are a bit larger, but a little speed is gained. git-svn-id: svn://localhost/gambas/trunk@3013 867c0c6c-44f3-4631-809d-bfa615b0a4ec
793 lines
15 KiB
C
793 lines
15 KiB
C
/***************************************************************************
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gbx_c_file.c
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(c) 2000-2009 Benoît Minisini <gambas@users.sourceforge.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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***************************************************************************/
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#define __GBX_C_FILE_C
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#include "gbx_info.h"
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#ifndef GBX_INFO
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#include <stdio.h>
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#include <pwd.h>
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#include <grp.h>
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#include <sys/stat.h>
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#include "gb_common.h"
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#include "gb_list.h"
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#include "gb_file.h"
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#include "gbx_api.h"
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#include "gambas.h"
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#include "gbx_class.h"
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#include "gbx_stream.h"
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#include "gbx_exec.h"
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#include "gbx_project.h"
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#include "gbx_string.h"
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#include "gbx_date.h"
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#include "gbx_c_file.h"
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CFILE *CFILE_in, *CFILE_out, *CFILE_err;
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DECLARE_EVENT(EVENT_Read);
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DECLARE_EVENT(EVENT_Write);
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static GB_FUNCTION read_func;
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static char _buffer[16];
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static void callback_read(int fd, int type, CFILE *file)
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{
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//fprintf(stderr, "callback_read\n");
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GB_Raise(file, EVENT_Read, 0);
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}
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static void callback_write(int fd, int type, CFILE *file)
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{
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GB_Raise(file, EVENT_Write, 0);
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}
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CFILE *CFILE_create(STREAM *stream, int mode)
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{
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int fd;
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CFILE *file;
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file = OBJECT_new(CLASS_File, NULL, NULL);
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OBJECT_UNREF_KEEP(file, "CFILE_new");
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if (stream)
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{
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*CSTREAM_stream(file) = *stream;
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file->watch_fd = -1;
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if (mode & ST_WATCH)
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{
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fd = STREAM_handle(&file->ob.stream);
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file->watch_fd = fd;
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if (mode & ST_READ)
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GB_Watch(fd, GB_WATCH_READ, (void *)callback_read, (intptr_t)file);
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if (mode & ST_WRITE)
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GB_Watch(fd, GB_WATCH_WRITE, (void *)callback_write, (intptr_t)file);
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OBJECT_attach((OBJECT *)file, OP ? (OBJECT *)OP : (OBJECT *)CP, "File");
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}
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}
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return file;
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}
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static CFILE *create_default_stream(FILE *file, int mode)
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{
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CFILE *ob;
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STREAM stream;
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CLEAR(&stream);
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stream.type = &STREAM_buffer;
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stream.common.available_now = !isatty(fileno(file));
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stream.common.standard = TRUE;
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stream.buffer.file = file;
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STREAM_check_blocking(&stream);
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ob = CFILE_create(&stream, mode);
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OBJECT_REF(ob, "create_default_stream");
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return ob;
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}
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void CFILE_init(void)
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{
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CFILE_in = create_default_stream(stdin, ST_READ);
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CFILE_out = create_default_stream(stdout, ST_WRITE);
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CFILE_err = create_default_stream(stderr, ST_WRITE);
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}
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void CFILE_exit(void)
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{
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OBJECT_UNREF(CFILE_in, "CFILE_exit");
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OBJECT_UNREF(CFILE_out, "CFILE_exit");
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OBJECT_UNREF(CFILE_err, "CFILE_exit");
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}
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void CFILE_init_watch(void)
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{
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if (GB_GetFunction(&read_func, PROJECT_class, "Application_Read", "", "") == 0)
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{
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//fprintf(stderr, "watch stdin\n");
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OBJECT_attach((OBJECT *)CFILE_in, (OBJECT *)PROJECT_class, "Application");
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CFILE_in->watch_fd = STDIN_FILENO;
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GB_Watch(STDIN_FILENO, GB_WATCH_READ, (void *)callback_read, (intptr_t)CFILE_in);
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}
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}
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BEGIN_METHOD_VOID(CFILE_free)
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STREAM_close(&THIS->ob.stream);
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if (THIS->watch_fd >= 0)
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GB_Watch(THIS->watch_fd, GB_WATCH_NONE, NULL, 0);
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END_METHOD
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BEGIN_PROPERTY(CFILE_get_in)
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GB_ReturnObject(CFILE_in);
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END_PROPERTY
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BEGIN_PROPERTY(CFILE_get_out)
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GB_ReturnObject(CFILE_out);
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END_PROPERTY
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BEGIN_PROPERTY(CFILE_get_err)
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GB_ReturnObject(CFILE_err);
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END_PROPERTY
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BEGIN_METHOD_VOID(CSTAT_free)
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STRING_unref(&THIS_STAT->path);
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END_METHOD
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BEGIN_PROPERTY(CFILE_type)
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GB_ReturnInt(THIS_STAT->info.type);
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END_PROPERTY
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BEGIN_PROPERTY(CSTAT_path)
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GB_ReturnString(THIS_STAT->path);
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END_PROPERTY
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BEGIN_PROPERTY(CSTAT_link)
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if (THIS_STAT->info.type == GB_STAT_LINK)
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GB_ReturnNewZeroString(FILE_readlink(THIS_STAT->path));
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else
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GB_ReturnNull();
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END_PROPERTY
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BEGIN_PROPERTY(CFILE_mode)
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GB_ReturnInt(THIS_STAT->info.mode);
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END_PROPERTY
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BEGIN_PROPERTY(CFILE_hidden)
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GB_ReturnBoolean(THIS_STAT->info.hidden);
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END_PROPERTY
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BEGIN_PROPERTY(CFILE_size)
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GB_ReturnLong(THIS_STAT->info.size);
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END_PROPERTY
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BEGIN_PROPERTY(CFILE_atime)
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VALUE date;
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DATE_from_time(THIS_STAT->info.atime, 0, &date);
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GB_ReturnDate((GB_DATE *)&date);
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END_PROPERTY
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BEGIN_PROPERTY(CFILE_ctime)
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VALUE date;
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DATE_from_time(THIS_STAT->info.ctime, 0, &date);
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GB_ReturnDate((GB_DATE *)&date);
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END_PROPERTY
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BEGIN_PROPERTY(CFILE_mtime)
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VALUE date;
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DATE_from_time(THIS_STAT->info.mtime, 0, &date);
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GB_ReturnDate((GB_DATE *)&date);
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END_PROPERTY
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static char *get_file_user(CFILE *_object)
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{
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struct passwd *pwd;
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uid_t uid = THIS_STAT->info.uid;
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if (uid == 0)
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return "root";
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else
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{
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pwd = getpwuid(uid);
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if (!pwd)
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{
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snprintf(_buffer, sizeof(_buffer), "%d", (int)uid);
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return _buffer;
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}
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else
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return pwd->pw_name;
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}
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}
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BEGIN_PROPERTY(CFILE_user)
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GB_ReturnNewZeroString(get_file_user(THIS));
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END_PROPERTY
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static char *get_file_group(CFILE *_object)
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{
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struct group *grp;
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gid_t gid = THIS_STAT->info.gid;
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if (gid == 0)
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return "root";
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else
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{
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grp = getgrgid(gid);
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if (!grp)
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{
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snprintf(_buffer, sizeof(_buffer), "%d", (int)gid);
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return _buffer;
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}
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else
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return grp->gr_name;
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}
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}
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BEGIN_PROPERTY(CFILE_group)
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GB_ReturnNewZeroString(get_file_group(THIS));
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END_PROPERTY
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BEGIN_PROPERTY(CFILE_setuid)
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GB_ReturnBoolean(THIS_STAT->info.mode & S_ISUID);
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END_PROPERTY
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BEGIN_PROPERTY(CFILE_setgid)
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GB_ReturnBoolean(THIS_STAT->info.mode & S_ISGID);
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END_PROPERTY
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BEGIN_PROPERTY(CFILE_sticky)
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GB_ReturnBoolean(THIS_STAT->info.mode & S_ISVTX);
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END_PROPERTY
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#if 0
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BEGIN_METHOD(CFILE_access, GB_INTEGER who; GB_INTEGER access)
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bool ret;
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int access = VARGOPT(access, GB_STAT_READ);
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int who = VARG(who);
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int mode = THIS_STAT->info.mode;
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if ((access & GB_STAT_READ) == 0)
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mode &= ~(S_IRUSR | S_IRGRP | S_IROTH);
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if ((access & GB_STAT_WRITE) == 0)
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mode &= ~(S_IWUSR | S_IWGRP | S_IWOTH);
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if ((access & GB_STAT_EXEC) == 0)
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mode &= ~(S_IXUSR | S_IXGRP | S_IXOTH);
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switch(who)
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{
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case GB_STAT_USER: ret = mode & S_IRWXU; break;
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case GB_STAT_GROUP: ret = mode & S_IRWXG; break;
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case GB_STAT_OTHER: ret = mode & S_IRWXO; break;
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default: ret = FALSE; break;
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}
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GB_ReturnBoolean(ret);
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END_METHOD
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#endif
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static void return_perm(CSTAT *_object, int rf, int wf, int xf)
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{
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char perm[4];
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char *p;
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int mode = THIS_STAT->info.mode;
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p = perm;
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if (mode & rf) *p++ = 'r';
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if (mode & wf) *p++ = 'w';
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if (mode & xf) *p++ = 'x';
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*p = 0;
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GB_ReturnNewZeroString(perm);
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}
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BEGIN_PROPERTY(CFILE_perm_user)
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return_perm(THIS_STAT, S_IRUSR, S_IWUSR, S_IXUSR);
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END_PROPERTY
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BEGIN_PROPERTY(CFILE_perm_group)
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return_perm(THIS_STAT, S_IRGRP, S_IWGRP, S_IXGRP);
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END_PROPERTY
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BEGIN_PROPERTY(CFILE_perm_other)
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return_perm(THIS_STAT, S_IROTH, S_IWOTH, S_IXOTH);
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END_PROPERTY
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BEGIN_METHOD(CFILE_perm_get, GB_STRING user)
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char *who;
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char *user = GB_ToZeroString(ARG(user));
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who = get_file_user(THIS);
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if (strcmp(user, who) == 0)
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{
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return_perm(THIS_STAT, S_IRUSR, S_IWUSR, S_IWUSR);
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return;
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}
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who = get_file_group(THIS);
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if (strlen(user) > 2 && user[0] == '*' && user[1] == '.' && strcmp(&user[2], who) == 0)
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{
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return_perm(THIS_STAT, S_IRGRP, S_IWGRP, S_IWGRP);
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return;
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}
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return_perm(THIS_STAT, S_IROTH, S_IWOTH, S_IWOTH);
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END_METHOD
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/*---- File path functions --------------------------------------------------*/
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static char *_dir;
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static char *_basename;
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static char *_ext;
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static char *_name = NULL;
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static void split_path(char *path)
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{
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char *p;
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p = rindex(path, '/');
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if (p)
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{
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if (p == path)
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{
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_dir = "/";
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_basename = path + 1;
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}
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else
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{
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*p = 0;
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_dir = path;
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_basename = p + 1;
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}
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}
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else
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{
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_dir = "";
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_basename = path;
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}
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p = rindex(_basename, '.');
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if (p)
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{
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*p = 0;
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_ext = p + 1;
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}
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else
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_ext = "";
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}
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static void return_path(void)
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{
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char *tmp = NULL;
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int len;
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len = strlen(_dir);
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STRING_add(&tmp, _dir, len);
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if (_name && *_name)
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{
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_basename = _name;
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_ext = "";
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_name = NULL;
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}
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if (*_basename || *_ext)
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{
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if (*_dir && _dir[len - 1] != '/' && *_basename && *_basename != '/')
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STRING_add(&tmp, "/", 1);
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STRING_add(&tmp, _basename, 0);
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if (*_ext && *_ext != '.')
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STRING_add(&tmp, ".", 1);
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STRING_add(&tmp, _ext, 0);
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}
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STRING_extend_end(&tmp);
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GB_ReturnString(tmp);
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}
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BEGIN_METHOD(CFILE_dir, GB_STRING path)
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split_path(GB_ToZeroString(ARG(path)));
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GB_ReturnNewZeroString(_dir);
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END_METHOD
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BEGIN_METHOD(CFILE_set_dir, GB_STRING path; GB_STRING new_dir)
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split_path(GB_ToZeroString(ARG(path)));
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_dir = GB_ToZeroString(ARG(new_dir));
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return_path();
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END_METHOD
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BEGIN_METHOD(CFILE_name, GB_STRING path)
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char *path;
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if (LENGTH(path) && STRING(path)[LENGTH(path) - 1] == '/')
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LENGTH(path)--;
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path = GB_ToZeroString(ARG(path));
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GB_ReturnNewZeroString(FILE_get_name(path));
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END_METHOD
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BEGIN_METHOD(CFILE_set_name, GB_STRING path; GB_STRING new_name)
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char *path;
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if (LENGTH(path) && STRING(path)[LENGTH(path) - 1] == '/')
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LENGTH(path)--;
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path = GB_ToZeroString(ARG(path));
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split_path(path);
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_name = GB_ToZeroString(ARG(new_name));
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return_path();
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END_METHOD
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BEGIN_METHOD(CFILE_ext, GB_STRING path)
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split_path(GB_ToZeroString(ARG(path)));
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GB_ReturnNewZeroString(_ext);
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END_METHOD
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BEGIN_METHOD(CFILE_set_ext, GB_STRING path; GB_STRING new_ext)
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split_path(GB_ToZeroString(ARG(path)));
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_ext = GB_ToZeroString(ARG(new_ext));
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return_path();
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END_METHOD
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BEGIN_METHOD(CFILE_basename, GB_STRING path)
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split_path(GB_ToZeroString(ARG(path)));
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GB_ReturnNewZeroString(_basename);
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END_METHOD
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BEGIN_METHOD(CFILE_set_basename, GB_STRING path; GB_STRING new_basename)
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split_path(GB_ToZeroString(ARG(path)));
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_basename = GB_ToZeroString(ARG(new_basename));
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return_path();
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END_METHOD
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static STREAM *_stream;
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static void error_CFILE_load_save(void)
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{
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if (_stream)
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STREAM_close(_stream);
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}
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BEGIN_METHOD(CFILE_load, GB_STRING path)
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STREAM stream;
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int64_t len;
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int rlen;
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char *str;
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ON_ERROR(error_CFILE_load_save)
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{
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_stream = NULL;
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STREAM_open(&stream, STRING_conv_file_name(STRING(path), LENGTH(path)), ST_READ);
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_stream = &stream;
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STREAM_lof(&stream, &len);
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if (len >> 31)
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THROW(E_MEMORY);
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rlen = len;
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str = STRING_new_temp(NULL, rlen);
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STREAM_read(&stream, str, rlen);
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STREAM_close(&stream);
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GB_ReturnString(str);
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}
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END_ERROR
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END_METHOD
|
|
|
|
BEGIN_METHOD(CFILE_save, GB_STRING path; GB_STRING data)
|
|
|
|
STREAM stream;
|
|
|
|
ON_ERROR(error_CFILE_load_save)
|
|
{
|
|
_stream = NULL;
|
|
STREAM_open(&stream, STRING_conv_file_name(STRING(path), LENGTH(path)), ST_CREATE);
|
|
_stream = &stream;
|
|
STREAM_write(&stream, STRING(data), LENGTH(data));
|
|
STREAM_close(&stream);
|
|
}
|
|
END_ERROR
|
|
|
|
END_METHOD
|
|
|
|
|
|
BEGIN_PROPERTY(CSTREAM_id)
|
|
|
|
GB_ReturnInteger(STREAM_handle(CSTREAM_stream(THIS_STREAM)));
|
|
|
|
END_PROPERTY
|
|
|
|
|
|
BEGIN_PROPERTY(CSTREAM_byte_order)
|
|
|
|
bool endian = EXEC_big_endian;
|
|
|
|
if (READ_PROPERTY)
|
|
{
|
|
if (CSTREAM_stream(THIS_STREAM)->common.swap)
|
|
endian = !endian;
|
|
|
|
GB_ReturnInteger(endian ? 1 : 0);
|
|
}
|
|
else
|
|
{
|
|
bool val = VPROP(GB_INTEGER);
|
|
CSTREAM_stream(THIS_STREAM)->common.swap = endian ^ val;
|
|
}
|
|
|
|
END_PROPERTY
|
|
|
|
BEGIN_PROPERTY(CSTREAM_eol)
|
|
|
|
if (READ_PROPERTY)
|
|
GB_ReturnInteger(CSTREAM_stream(THIS_STREAM)->common.eol);
|
|
else
|
|
{
|
|
int eol = VPROP(GB_INTEGER);
|
|
|
|
if (eol >= 0 && eol <= 2)
|
|
CSTREAM_stream(THIS_STREAM)->common.eol = eol;
|
|
}
|
|
|
|
END_PROPERTY
|
|
|
|
BEGIN_METHOD_VOID(CSTREAM_close)
|
|
|
|
STREAM_close(CSTREAM_stream(THIS_STREAM));
|
|
|
|
END_METHOD
|
|
|
|
BEGIN_PROPERTY(CSTREAM_eof)
|
|
|
|
GB_ReturnBoolean(CSTREAM_stream(THIS_STREAM)->common.eof);
|
|
|
|
END_PROPERTY
|
|
|
|
BEGIN_PROPERTY(CSTREAM_blocking)
|
|
|
|
if (READ_PROPERTY)
|
|
GB_ReturnBoolean(STREAM_is_blocking(CSTREAM_stream(THIS_STREAM)));
|
|
else
|
|
STREAM_blocking(CSTREAM_stream(THIS_STREAM), VPROP(GB_BOOLEAN));
|
|
|
|
END_PROPERTY
|
|
|
|
BEGIN_PROPERTY(CSTREAM_tag)
|
|
|
|
if (READ_PROPERTY)
|
|
GB_ReturnVariant(&THIS_STREAM->tag);
|
|
else
|
|
GB_StoreVariant(PROP(GB_VARIANT), (void *)&(THIS_STREAM->tag));
|
|
|
|
END_METHOD
|
|
|
|
#endif
|
|
|
|
GB_DESC NATIVE_Stream[] =
|
|
{
|
|
GB_DECLARE("Stream", sizeof(CSTREAM)),
|
|
GB_NOT_CREATABLE(),
|
|
|
|
GB_PROPERTY("ByteOrder", "i", CSTREAM_byte_order),
|
|
GB_PROPERTY_READ("Handle", "i", CSTREAM_id),
|
|
GB_PROPERTY_READ("Id", "i", CSTREAM_id),
|
|
GB_PROPERTY("EndOfLine", "i", CSTREAM_eol),
|
|
GB_METHOD("Close", NULL, CSTREAM_close, NULL),
|
|
GB_PROPERTY_READ("EndOfFile", "b", CSTREAM_eof),
|
|
GB_PROPERTY("Blocking", "b", CSTREAM_blocking),
|
|
GB_PROPERTY("Tag", "v", CSTREAM_tag),
|
|
|
|
GB_END_DECLARE
|
|
};
|
|
|
|
|
|
GB_DESC NATIVE_FilePerm[] =
|
|
{
|
|
GB_DECLARE(".FilePerm", 0),
|
|
GB_VIRTUAL_CLASS(),
|
|
|
|
GB_METHOD("_get", "s", CFILE_perm_get, "(UserOrGroup)s"),
|
|
GB_PROPERTY_READ("User", "s", CFILE_perm_user),
|
|
GB_PROPERTY_READ("Group", "s", CFILE_perm_group),
|
|
GB_PROPERTY_READ("Other", "s", CFILE_perm_other),
|
|
|
|
GB_END_DECLARE
|
|
};
|
|
|
|
|
|
GB_DESC NATIVE_Stat[] =
|
|
{
|
|
GB_DECLARE("Stat", sizeof(CSTAT)),
|
|
GB_NOT_CREATABLE(),
|
|
|
|
GB_METHOD("_free", NULL, CSTAT_free, NULL),
|
|
|
|
GB_PROPERTY_READ("Type", "i", CFILE_type),
|
|
GB_PROPERTY_READ("Mode", "i", CFILE_mode),
|
|
GB_PROPERTY_READ("Hidden", "b", CFILE_hidden),
|
|
GB_PROPERTY_READ("Size", "l", CFILE_size),
|
|
GB_PROPERTY_READ("Time", "d", CFILE_mtime),
|
|
GB_PROPERTY_READ("LastAccess", "d", CFILE_atime),
|
|
GB_PROPERTY_READ("LastModified", "d", CFILE_mtime),
|
|
GB_PROPERTY_READ("LastChange", "d", CFILE_ctime),
|
|
GB_PROPERTY_READ("User", "s", CFILE_user),
|
|
GB_PROPERTY_READ("Group", "s", CFILE_group),
|
|
GB_PROPERTY_SELF("Perm", ".FilePerm"),
|
|
GB_PROPERTY_READ("SetGID", "b", CFILE_setgid),
|
|
GB_PROPERTY_READ("SetUID", "b", CFILE_setuid),
|
|
GB_PROPERTY_READ("Sticky", "b", CFILE_sticky),
|
|
GB_PROPERTY_READ("Path", "s", CSTAT_path),
|
|
GB_PROPERTY_READ("Link", "s", CSTAT_link),
|
|
|
|
GB_END_DECLARE
|
|
};
|
|
|
|
|
|
GB_DESC NATIVE_File[] =
|
|
{
|
|
GB_DECLARE("File", sizeof(CFILE)),
|
|
GB_INHERITS("Stream"),
|
|
GB_NOT_CREATABLE(),
|
|
|
|
GB_METHOD("_free", NULL, CFILE_free, NULL),
|
|
|
|
// GB_STATIC_PROPERTY_READ("Separator", "s", CFILE_separator),
|
|
|
|
GB_STATIC_PROPERTY_READ("In", "File", CFILE_get_in),
|
|
GB_STATIC_PROPERTY_READ("Out", "File", CFILE_get_out),
|
|
GB_STATIC_PROPERTY_READ("Err", "File", CFILE_get_err),
|
|
|
|
GB_STATIC_METHOD("Dir", "s", CFILE_dir, "(Path)s"),
|
|
GB_STATIC_METHOD("Name", "s", CFILE_name, "(Path)s"),
|
|
GB_STATIC_METHOD("Ext", "s", CFILE_ext, "(Path)s"),
|
|
GB_STATIC_METHOD("BaseName", "s", CFILE_basename, "(Path)s"),
|
|
|
|
GB_STATIC_METHOD("SetDir", "s", CFILE_set_dir, "(Path)s(NewDir)s"),
|
|
GB_STATIC_METHOD("SetName", "s", CFILE_set_name, "(Path)s(NewName)s"),
|
|
GB_STATIC_METHOD("SetExt", "s", CFILE_set_ext, "(Path)s(NewExt)s"),
|
|
GB_STATIC_METHOD("SetBaseName", "s", CFILE_set_basename, "(Path)s(NewBaseName)s"),
|
|
|
|
GB_STATIC_METHOD("Load", "s", CFILE_load, "(FileName)s"),
|
|
GB_STATIC_METHOD("Save", NULL, CFILE_save, "(FileName)s(Data)s"),
|
|
|
|
GB_EVENT("Read", NULL, NULL, &EVENT_Read),
|
|
GB_EVENT("Write", NULL, NULL, &EVENT_Write),
|
|
|
|
GB_END_DECLARE
|
|
};
|