100 lines
2.9 KiB
C
100 lines
2.9 KiB
C
/*
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* UPIWIN - Micro Pi Windowing Framework Kernel
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* Copyright (C) 2019 Amy Bowersox/Erbosoft Metaverse Design Solutions
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*
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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 of the License, or
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* (at your option) any later version.
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*
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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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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*-------------------------------------------------------------------------
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*/
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#include <zip.h>
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#include "wintype.h"
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#include "scode.h"
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#include "config.h"
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#include "log.h"
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#include "resources.h"
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/* conversion table from zip error codes to our HRESULT values */
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static const struct tagCONVERSIONTABLE {
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int zip_err_code;
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HRESULT sys_err_code;
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} conversion_table[] = {
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{ ZIP_ER_OK, S_OK },
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{ ZIP_ER_SEEK, STG_E_SEEKERROR },
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{ ZIP_ER_READ, STG_E_READFAULT },
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{ ZIP_ER_WRITE, STG_E_WRITEFAULT },
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{ ZIP_ER_NOENT, STG_E_FILENOTFOUND },
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{ ZIP_ER_MEMORY, E_OUTOFMEMORY },
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{ ZIP_ER_INVAL, E_INVALIDARG },
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{ ZIP_ER_INTERNAL, E_UNEXPECTED },
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{ -1, 0 }
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};
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/* references to system resource data in zip format */
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extern uint8_t _binary_sysresources_zip_start[];
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extern uint8_t _binary_sysresources_zip_end;
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extern uint8_t _binary_sysresources_zip_size;
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static zip_t *sysresource = NULL; /* system resource file */
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static HRESULT ziperror_to_hresult(zip_error_t *errinfo)
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{
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register int i;
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for (i = 0; conversion_table[i].zip_err_code >= 0; i++)
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if (conversion_table[i].zip_err_code == errinfo->zip_err)
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return conversion_table[i].sys_err_code;
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return MAKE_SCODE(SEVERITY_ERROR, FACILITY_ZIP, errinfo->zip_err);
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}
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static void rsrc_cleanup(void)
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{
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zip_close(sysresource);
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sysresource = NULL;
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}
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HRESULT Rsrc_setup(void)
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{
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HRESULT hr = S_OK;
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zip_source_t *syssource;
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zip_error_t errinfo;
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Log(LDEBUG, "system resource length = %u", (UINT)(&_binary_sysresources_zip_size));
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zip_error_init(&errinfo);
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syssource = zip_source_buffer_create(_binary_sysresources_zip_start, (UINT_PTR)(&_binary_sysresources_zip_size),
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0, &errinfo);
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if (!syssource)
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{
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hr = ziperror_to_hresult(&errinfo);
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goto error_0;
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}
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sysresource = zip_open_from_source(syssource, ZIP_RDONLY, &errinfo);
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if (!sysresource)
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{
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hr = ziperror_to_hresult(&errinfo);
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goto error_1;
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}
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hr = Config_exitfunc(rsrc_cleanup);
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if (FAILED(hr))
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rsrc_cleanup();
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return hr;
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error_1:
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zip_source_free(syssource);
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error_0:
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zip_error_fini(&errinfo);
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return hr;
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}
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