110 lines
2.8 KiB
C
110 lines
2.8 KiB
C
/* *****************************************************************************
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* g1a-wrapper/main.c -- g1a-wrapper main source.
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* Copyright (C) 2016-2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
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*
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* This file is part of p7utils.
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* p7utils is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2.0 of the License,
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* or (at your option) any later version.
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*
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* p7utils 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with p7utils; if not, see <http://www.gnu.org/licenses/>.
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* ************************************************************************** */
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#include "main.h"
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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/* ************************************************************************** */
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/* Main function */
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/* ************************************************************************** */
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/**
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* main:
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* User entry point of the program.
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*
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* @arg ac arguments count.
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* @arg av arguments values.
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* @return return code (0 if ok)
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*/
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int main(int ac, char **av)
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{
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int ret = 1, err; FILE *in = NULL;
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casio_file_t *handle = NULL;
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unsigned char *p;
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long off; size_t sz;
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args_t args;
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/* Parse the arguments. */
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if (parse_args(ac, av, &args))
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return (1);
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/* Get file length. */
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in = fopen(args.infile, "r");
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if (!in) {
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err("couldn't open input file: %s", strerror(errno));
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goto fail;
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}
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if (fseek(in, 0L, SEEK_END) < 0) {
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err("couldn't seek in file.");
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goto fail;
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}
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off = ftell(in);
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if (off < 0L)
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goto fail;
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sz = (off < 0) ? SIZE_MAX : (size_t)off;
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if (fseek(in, 0L, SEEK_SET))
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goto fail;
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/* Make the handle. */
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err = casio_make_addin(&handle, casio_filefor_fx, sz,
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args.name, args.intname, &args.version, &args.date);
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if (err) {
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err("couldn't make libg1m handle: %s", casio_strerror(err));
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goto fail;
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}
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/* decode the icon */
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open_icon(args.iconfile, handle->casio_file_icon_unsel);
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/* copy the file content */
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p = handle->casio_file_content;
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while (sz) {
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size_t rd;
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rd = fread(p, 1, sz, in);
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if (!rd) {
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err("couldn't read binary data: %s", strerror(errno));
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goto fail;
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}
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sz -= rd; p += rd;
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}
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/* encode */
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err = casio_write_file(handle, args.outfile);
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if (err) {
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err("couldn't write to output file: %s",
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err == casio_error_nostream ? strerror(errno)
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: casio_strerror(err));
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goto fail;
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}
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/* we're good */
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ret = 0;
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fail:
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if (in)
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fclose(in);
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if (handle)
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casio_free_file(handle);
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return (ret);
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}
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