323 lines
8.6 KiB
C
323 lines
8.6 KiB
C
/* ****************************************************************************
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* file/manage.c -- create, free a handle.
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* Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
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*
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* This file is part of libcasio.
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* libcasio is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 3.0 of the License,
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* or (at your option) any later version.
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*
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* libcasio 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.
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* See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with libcasio; if not, see <http://www.gnu.org/licenses/>.
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* ************************************************************************* */
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#include "file.h"
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#include <ctype.h>
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#define mkhandle() \
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if (!(*(h) = casio_alloc(1, sizeof(casio_file_t)))) \
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return (casio_error_alloc); \
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handle = *h; memset(handle, 0, sizeof(casio_file_t))
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/* ---
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* Make a handle.
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* --- */
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/**
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* casio_make_picture:
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* Make a picture handle.
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*
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* @arg h the file handle to make.
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* @arg width the picture width.
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* @arg height the picture height.
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* @return the error code (0 if ok).
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*/
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int CASIO_EXPORT casio_make_picture(casio_file_t **h,
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unsigned int width, unsigned int height)
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{
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casio_file_t *handle;
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/* make the handle */
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mkhandle();
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handle->casio_file_type = casio_filetype_picture;
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handle->casio_file_width = width;
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handle->casio_file_height = height;
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handle->casio_file_pixels = alloc_pixels(width, height);
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if (!handle->casio_file_pixels) {
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casio_free(*h); *h = NULL; return (casio_error_alloc); }
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prepare_pixels(handle->casio_file_pixels, width, height)
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/* everything went well! */
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return (0);
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}
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/**
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* casio_make_mcs:
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* Make an MCS file.
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*
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* @arg h pointer to the handle to create.
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* @return the error code (0 if ok).
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*/
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int CASIO_EXPORT casio_make_mcs(casio_file_t **h)
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{
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int err; casio_file_t *handle;
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/* make the handle */
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mkhandle();
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handle->casio_file_type = casio_filetype_mcs;
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handle->casio_file_for = casio_filefor_fx;
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/* make the MCS */
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handle->casio_file_mcs = NULL;
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if ((err = casio_open_local_mcs(&handle->casio_file_mcs)))
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goto fail;
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/* no error */
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return (0);
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fail:
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casio_free_file(*h); *h = NULL;
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return (casio_error_alloc);
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}
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/**
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* casio_make_fkey:
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* Make a Function Keys handle.
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*
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* @arg h pointer to the handle to create.
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* @arg pf the platform.
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* @arg count the number of slots in the index.
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* @return the error code (0 if ok).
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*/
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int CASIO_EXPORT casio_make_fkey(casio_file_t **h,
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casio_filefor_t pf, int count)
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{
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casio_file_t *handle;
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/* make the handle */
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mkhandle();
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handle->casio_file_type = casio_filetype_fkey;
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handle->casio_file_for = pf;
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handle->casio_file_count = 0;
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handle->casio_file__size = 0;
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handle->casio_file_fkeys = NULL;
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/* allocate index */
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if (count) {
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handle->casio_file_fkeys = casio_alloc(count, sizeof(casio_pixel_t**));
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if (!handle->casio_file_fkeys) goto fail;
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memset(handle->casio_file_fkeys, 0, sizeof(casio_pixel_t**) * count);
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handle->casio_file__size = count;
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}
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/* no error */
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return (0);
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fail:
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casio_free_file(*h); *h = NULL;
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return (casio_error_alloc);
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}
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/**
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* casio_make_lang:
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* Make a language handle.
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*
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* @arg h pointer to the handle to create.
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* @arg platform the platform.
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* @arg count the number of slots in the index.
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* @return the error code (0 if ok).
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*/
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int CASIO_EXPORT casio_make_lang(casio_file_t **h,
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casio_filefor_t platform, int count)
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{
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casio_file_t *handle;
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/* make the handle */
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mkhandle();
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handle->casio_file_type = casio_filetype_lang;
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handle->casio_file_for = platform;
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handle->casio_file_count = 0;
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handle->casio_file__size = 0;
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handle->casio_file_messages = NULL;
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/* allocate index */
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if (count) {
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handle->casio_file_messages = casio_alloc(count, sizeof(char*));
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if (!handle->casio_file_messages) goto fail;
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memset(handle->casio_file_messages, 0, sizeof(char*) * count);
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handle->casio_file__size = count;
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}
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/* no error */
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return (0);
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fail:
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casio_free_file(*h); *h = NULL;
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return (casio_error_alloc);
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}
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/**
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* casio_make_addin:
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* Make an add-in handle.
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*
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* @arg h pointer to the handle to create.
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* @arg platform the platform for which to make the add-in.
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* @arg size the code size.
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* @arg name the name.
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* @arg internal the internal name.
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* @arg version the version of the add-in.
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* @arg created the creation date of the add-in.
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* @return the error code (0 if ok).
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*/
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int CASIO_EXPORT casio_make_addin(casio_file_t **h,
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casio_filefor_t platform, size_t size,
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const char *name, const char *internal,
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const casio_version_t *version, const time_t *created)
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{
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casio_file_t *handle;
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unsigned int width, height;
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int titlesize, intsize, i;
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/* make checks */
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if (platform != casio_filefor_fx && platform != casio_filefor_cg
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&& platform != casio_filefor_cp) {
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msg((ll_error, "Not for the FX, FX-CG or FX-CP platform!"));
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return (casio_error_op);
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}
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if (platform == casio_filefor_fx && size > 512 * 1024) {
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msg((ll_error, "FX Addin should be no more than 512 KiB!"));
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return (casio_error_op);
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}
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if (!isupper(name[0]) || internal[0] != '@' || !isupper(internal[1])) {
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msg((ll_error, "Internal name was invalid! Got:"));
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mem((ll_error, internal, strlen(internal)));
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return (casio_error_op);
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}
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/* make the handle */
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mkhandle();
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handle->casio_file_type = casio_filetype_addin;
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handle->casio_file_for = platform;
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handle->casio_file_version = *version;
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handle->casio_file_creation_date = *created;
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handle->casio_file_size = size;
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/* allocate the content */
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handle->casio_file_content = casio_alloc(size, 1);
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if (!handle->casio_file_content) goto fail;
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/* check the platform */
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titlesize = 8;
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intsize = 8;
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switch (platform) {
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case casio_filefor_fx:
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width = G1A_ICON_WIDTH; height = G1A_ICON_HEIGHT;
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break;
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case casio_filefor_cp:
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width = C1A_ICON_WIDTH; height = C1A_ICON_HEIGHT;
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titlesize = 16; break;
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default: /* case casio_filefor_cg: */
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width = G3A_ICON_WIDTH;
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height = G3A_ICON_HEIGHT;
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titlesize = 16; break;
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}
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/* copy the addin title */
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for (i = 0; (isupper(name[i]) || isdigit(name[i]))
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&& i < titlesize; i++)
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handle->casio_file_title[i] = name[i];
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handle->casio_file_title[i] = 0;
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if (!handle->casio_file_title[0])
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strcpy(handle->casio_file_title, "@ADDIN");
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/* copy the internal name */
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handle->casio_file_intname[0] = '@';
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for (i = 1; (isupper(internal[i]) || isdigit(internal[i]))
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&& i < intsize; i++)
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handle->casio_file_intname[i] = internal[i];
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handle->casio_file_intname[i] = 0;
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/* allocate pictures */
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handle->casio_file_icon_unsel = alloc_pixels(width, height);
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if (!handle->casio_file_icon_unsel) goto fail;
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handle->casio_file_icon_sel = alloc_pixels(width, height);
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if (!handle->casio_file_icon_sel) goto fail;
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/* prepare pictures */
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handle->casio_file_width = width;
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handle->casio_file_height = height;
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prepare_pixels(handle->casio_file_icon_unsel, width, height)
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prepare_pixels(handle->casio_file_icon_sel, width, height)
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/* end my suffering */
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return (0);
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fail:
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casio_free_file(*h); *h = NULL;
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return (casio_error_alloc);
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}
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/* ---
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* Free a handle.
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* --- */
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/**
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* casio_free_file:
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* Free a handle and its data.
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*
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* @arg handle the handle.
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*/
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void CASIO_EXPORT casio_free_file(casio_file_t *handle)
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{
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int i;
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/* check if there is something to free */
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if (!handle) return ;
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/* addin time! */
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if (handle->casio_file_type & casio_filetype_addin) {
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casio_free(handle->casio_file_content);
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casio_free(handle->casio_file_icon_unsel);
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casio_free(handle->casio_file_icon_sel);
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}
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/* mcs time! */
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if (handle->casio_file_type & casio_filetype_mcs) {
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casio_close_mcs(handle->casio_file_mcs);
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handle->casio_file_mcs = NULL;
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}
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/* messages time! */
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if (handle->casio_file_type & casio_filetype_lang
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&& handle->casio_file_messages) {
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for (i = 0; i < handle->casio_file_count; i++)
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casio_free(handle->casio_file_messages[i]);
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casio_free(handle->casio_file_messages);
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}
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/* function keys time! */
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if (handle->casio_file_type & casio_filetype_fkey
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&& handle->casio_file_fkeys) {
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for (i = 0; i < handle->casio_file_count; i++)
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casio_free(handle->casio_file_fkeys[i]);
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casio_free(handle->casio_file_fkeys);
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}
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/* picture time! */
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if (handle->casio_file_type & casio_filetype_picture)
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casio_free(handle->casio_file_pixels);
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/* e-activities time! */
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/* if (handle->casio_file_type & casio_filetype_eact)
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casio_free_line_content(handle->casio_file_line); */
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/* free the handle itself! */
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casio_free(handle);
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}
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