mirror of
https://github.com/reactos/reactos.git
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40a137dfa8
svn path=/trunk/; revision=72708
247 lines
6.3 KiB
C
247 lines
6.3 KiB
C
/*
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* PROJECT: ReactOS TXT to NLS Converter
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* LICENSE: GNU General Public License Version 2.0 or any later version
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* FILE: devutils/txt2nls/nls.c
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* COPYRIGHT: Copyright 2016 Dmitry Chapyshev <dmitry@reactos.org>
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*/
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#include "precomp.h"
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#define _NLS_DEBUG_PRINT
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#ifdef _NLS_DEBUG_PRINT
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static void
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nls_print_header(NLS_FILE_HEADER *header)
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{
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uint32_t i;
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printf("HEADER:\n");
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printf("CodePage: %u\n", header->CodePage);
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printf("Character size: %u\n", header->MaximumCharacterSize);
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printf("Default char: 0x%02X\n", header->DefaultChar);
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printf("Default unicode char: 0x%04X\n", header->UniDefaultChar);
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printf("Trans default char: 0x%02X\n", header->TransUniDefaultChar);
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printf("Trans default unicode char: 0x%04X\n", header->TransUniDefaultChar);
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for (i = 0; i < MAXIMUM_LEADBYTES; i++)
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{
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printf("LeadByte[%u] = 0x%02X\n", i, header->LeadByte[i]);
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}
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printf("\n");
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}
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static void
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nls_print_mb_table(uint16_t *mb_table, uint16_t uni_default_char)
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{
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uint32_t ch;
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printf("MBTABLE:\n");
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for (ch = 0; ch <= 0xFF; ch++)
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{
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if (mb_table[ch] != uni_default_char)
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{
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printf("0x%02X 0x%04X\n", (unsigned int)ch, (unsigned int)mb_table[ch]);
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}
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}
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printf("\n");
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}
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static void
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nls_print_wc_table(uint16_t *wc_table, uint16_t default_char, int is_dbcs)
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{
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uint32_t ch;
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printf("WCTABLE:\n");
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for (ch = 0; ch <= 0xFFFF; ch++)
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{
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/* DBCS code page */
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if (is_dbcs)
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{
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uint16_t *table = (uint16_t*)wc_table;
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if (table[ch] != default_char)
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printf("0x%04X 0x%04X\n", (unsigned int)ch, (unsigned int)table[ch]);
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}
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/* SBCS code page */
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else
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{
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uint8_t *table = (uint8_t*)wc_table;
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if (table[ch] != default_char)
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printf("0x%04X 0x%02X\n", (unsigned int)ch, (unsigned int)table[ch]);
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}
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}
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printf("\n");
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}
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static void
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nls_print_glyph_table(uint16_t *glyph_table, uint16_t uni_default_char)
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{
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uint32_t ch;
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printf("GLYPHTABLE:\n");
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for (ch = 0; ch <= 0xFF; ch++)
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{
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if (glyph_table[ch] != uni_default_char)
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{
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printf("0x%02X 0x%04X\n", (unsigned int)ch, (unsigned int)glyph_table[ch]);
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}
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}
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printf("\n");
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}
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#endif /* _NLS_DEBUG_PRINT */
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int
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nls_from_txt(const char *txt_file_path, const char *nls_file_path)
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{
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NLS_FILE_HEADER header;
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FILE *file = NULL;
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uint16_t *mb_table = NULL;
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uint16_t *wc_table = NULL;
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uint16_t *glyph_table = NULL;
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uint16_t number_of_lb_ranges;
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uint16_t size;
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int is_dbcs;
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int res = 0;
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memset(&header, 0, sizeof(header));
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if (!txt_get_header(txt_file_path, &header))
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goto Cleanup;
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is_dbcs = (header.MaximumCharacterSize == 2) ? 1 : 0;
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mb_table = txt_get_mb_table(txt_file_path, header.UniDefaultChar);
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if (!mb_table)
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goto Cleanup;
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wc_table = txt_get_wc_table(txt_file_path, header.DefaultChar, is_dbcs);
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if (!wc_table)
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goto Cleanup;
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/* GLYPHTABLE optionally. We do not leave if it is absent */
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glyph_table = txt_get_glyph_table(txt_file_path, header.UniDefaultChar);
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if (is_dbcs)
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{
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/* DBCS codepage */
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uint16_t *table = (uint16_t*)wc_table;
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header.TransUniDefaultChar = table[header.UniDefaultChar];
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/* TODO: TransDefaultChar for DBCS codepages */
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}
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else
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{
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/* SBCS codepage */
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uint8_t *table = (uint8_t*)wc_table;
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header.TransUniDefaultChar = table[header.UniDefaultChar];
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header.TransDefaultChar = mb_table[LOBYTE(header.DefaultChar)];
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}
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#ifdef _NLS_DEBUG_PRINT
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nls_print_header(&header);
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nls_print_mb_table(mb_table, header.UniDefaultChar);
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if (glyph_table)
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nls_print_glyph_table(glyph_table, header.UniDefaultChar);
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nls_print_wc_table(wc_table, header.DefaultChar, is_dbcs);
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#endif /* _NLS_DEBUG_PRINT */
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/* Create binary file with write access */
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file = fopen(nls_file_path, "wb");
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if (!file)
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{
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printf("Unable to create NLS file.\n");
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goto Cleanup;
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}
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/* Write NLS file header */
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if (fwrite(&header, 1, sizeof(header), file) != sizeof(header))
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{
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printf("Unable to write NLS file.\n");
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goto Cleanup;
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}
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size = (256 * sizeof(uint16_t)) + /* Primary CP to Unicode table */
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sizeof(uint16_t) + /* optional OEM glyph table size in words */
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(glyph_table ? (256 * sizeof(uint16_t)) : 0) + /* OEM glyph table size in words * sizeof(uint16_t) */
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sizeof(uint16_t) + /* Number of DBCS LeadByte ranges */
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0 + /* offsets of lead byte sub tables */
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0 + /* LeadByte sub tables */
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sizeof(uint16_t); /* Unknown flag */
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size /= sizeof(uint16_t);
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if (fwrite(&size, 1, sizeof(size), file) != sizeof(size))
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{
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printf("Unable to write NLS file.\n");
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goto Cleanup;
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}
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/* Write multibyte table */
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if (fwrite(mb_table, 1, (256 * sizeof(uint16_t)), file) != (256 * sizeof(uint16_t)))
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{
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printf("Unable to write NLS file.\n");
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goto Cleanup;
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}
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/* OEM glyph table size in words */
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size = (glyph_table ? 256 : 0);
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if (fwrite(&size, 1, sizeof(size), file) != sizeof(size))
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{
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printf("Unable to write NLS file.\n");
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goto Cleanup;
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}
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if (glyph_table)
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{
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/* Write OEM glyph table */
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if (fwrite(glyph_table, 1, (256 * sizeof(uint16_t)), file) != (256 * sizeof(uint16_t)))
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{
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printf("Unable to write NLS file.\n");
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goto Cleanup;
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}
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}
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/* Number of DBCS LeadByte ranges */
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number_of_lb_ranges = 0;
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if (fwrite(&number_of_lb_ranges, 1, sizeof(number_of_lb_ranges), file) != sizeof(number_of_lb_ranges))
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{
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printf("Unable to write NLS file.\n");
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goto Cleanup;
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}
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/* Unknown flag */
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size = 0;
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if (fwrite(&size, 1, sizeof(size), file) != sizeof(size))
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{
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printf("Unable to write NLS file.\n");
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goto Cleanup;
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}
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/* Write wide char table */
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if (fwrite(wc_table, 1, (65536 * header.MaximumCharacterSize), file) != (65536 * header.MaximumCharacterSize))
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{
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printf("Unable to write NLS file.\n");
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goto Cleanup;
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}
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res = 1;
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Cleanup:
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if (file) fclose(file);
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free(mb_table);
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free(wc_table);
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free(glyph_table);
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return res;
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}
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