mirror of
git://source.winehq.org/git/wine.git
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570 lines
15 KiB
C
570 lines
15 KiB
C
/*
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* Binary encode X templates from text format.
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*
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* Copyright 2011 Dylan Smith
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* 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
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <signal.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "windef.h"
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#include "guiddef.h"
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#include "tools.h"
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#define TOKEN_NAME 1
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#define TOKEN_STRING 2
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#define TOKEN_INTEGER 3
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#define TOKEN_GUID 5
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#define TOKEN_INTEGER_LIST 6
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#define TOKEN_FLOAT_LIST 7
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#define TOKEN_OBRACE 10
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#define TOKEN_CBRACE 11
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#define TOKEN_OPAREN 12
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#define TOKEN_CPAREN 13
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#define TOKEN_OBRACKET 14
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#define TOKEN_CBRACKET 15
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#define TOKEN_OANGLE 16
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#define TOKEN_CANGLE 17
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#define TOKEN_DOT 18
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#define TOKEN_COMMA 19
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#define TOKEN_SEMICOLON 20
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#define TOKEN_TEMPLATE 31
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#define TOKEN_WORD 40
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#define TOKEN_DWORD 41
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#define TOKEN_FLOAT 42
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#define TOKEN_DOUBLE 43
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#define TOKEN_CHAR 44
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#define TOKEN_UCHAR 45
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#define TOKEN_SWORD 46
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#define TOKEN_SDWORD 47
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#define TOKEN_VOID 48
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#define TOKEN_LPSTR 49
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#define TOKEN_UNICODE 50
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#define TOKEN_CSTRING 51
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#define TOKEN_ARRAY 52
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struct keyword
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{
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const char *word;
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WORD token;
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};
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static const struct keyword reserved_words[] = {
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{"ARRAY", TOKEN_ARRAY},
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{"CHAR", TOKEN_CHAR},
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{"CSTRING", TOKEN_CSTRING},
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{"DOUBLE", TOKEN_DOUBLE},
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{"DWORD", TOKEN_DWORD},
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{"FLOAT", TOKEN_FLOAT},
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{"SDWORD", TOKEN_SDWORD},
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{"STRING", TOKEN_LPSTR},
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{"SWORD", TOKEN_SWORD},
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{"TEMPLATE", TOKEN_TEMPLATE},
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{"UCHAR", TOKEN_UCHAR},
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{"UNICODE", TOKEN_UNICODE},
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{"VOID", TOKEN_VOID},
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{"WORD", TOKEN_WORD}
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};
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static BOOL option_header;
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static char *option_inc_var_name = NULL;
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static char *option_inc_size_name = NULL;
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static const char *option_outfile_name = "-";
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static char *program_name;
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static FILE *infile;
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static int line_no;
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static const char *infile_name;
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static FILE *outfile;
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static BYTE *output_data;
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static UINT output_pos, output_size;
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static void fatal_error( const char *msg, ... ) __attribute__ ((__format__ (__printf__, 1, 2)));
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static void fatal_error( const char *msg, ... )
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{
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va_list valist;
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va_start( valist, msg );
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if (infile_name)
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{
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fprintf( stderr, "%s:%d:", infile_name, line_no );
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fprintf( stderr, " error: " );
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}
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else fprintf( stderr, "%s: error: ", program_name );
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vfprintf( stderr, msg, valist );
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va_end( valist );
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exit( 1 );
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}
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static inline BOOL read_byte( char *byte )
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{
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int c = fgetc(infile);
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*byte = c;
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if (c == '\n') line_no++;
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return c != EOF;
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}
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static inline BOOL unread_byte( char last_byte )
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{
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if (last_byte == '\n') line_no--;
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return ungetc(last_byte, infile) != EOF;
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}
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static inline BOOL read_bytes( void *data, DWORD size )
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{
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return fread(data, size, 1, infile) > 0;
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}
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static BOOL write_c_hex_bytes(void)
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{
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UINT i;
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for (i = 0; i < output_pos; i++)
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{
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if (i % 12 == 0)
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fprintf(outfile, "\n ");
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fprintf(outfile, " 0x%02x,", output_data[i]);
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}
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return TRUE;
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}
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static BOOL write_raw_bytes(void)
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{
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return fwrite(output_data, output_pos, 1, outfile) > 0;
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}
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static inline BOOL write_bytes(const void *data, DWORD size)
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{
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if (output_pos + size > output_size)
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{
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output_size = max( output_size * 2, size );
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output_data = realloc( output_data, output_size );
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if (!output_data) return FALSE;
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}
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memcpy( output_data + output_pos, data, size );
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output_pos += size;
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return TRUE;
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}
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static inline BOOL write_byte(BYTE value)
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{
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return write_bytes( &value, sizeof(value) );
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}
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static inline BOOL write_word(WORD value)
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{
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return write_byte( value ) &&
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write_byte( value >> 8 );
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}
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static inline BOOL write_dword(DWORD value)
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{
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return write_word( value ) &&
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write_word( value >> 16 );
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}
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static inline BOOL write_float(float value)
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{
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DWORD val;
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memcpy( &val, &value, sizeof(value) );
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return write_dword( val );
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}
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static inline BOOL write_guid(const GUID *guid)
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{
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return write_dword( guid->Data1 ) &&
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write_word( guid->Data2 ) &&
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write_word( guid->Data3 ) &&
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write_bytes( guid->Data4, sizeof(guid->Data4) );
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}
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static int compare_names(const void *a, const void *b)
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{
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return strcasecmp(*(const char **)a, *(const char **)b);
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}
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static BOOL parse_keyword( const char *name )
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{
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const struct keyword *keyword;
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keyword = bsearch(&name, reserved_words, ARRAY_SIZE(reserved_words),
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sizeof(reserved_words[0]), compare_names);
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if (!keyword)
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return FALSE;
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return write_word(keyword->token);
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}
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static BOOL parse_guid(void)
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{
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char buf[39];
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GUID guid;
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DWORD tab[10];
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BOOL ret;
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static const char *guidfmt = "<%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X>";
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buf[0] = '<';
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if (!read_bytes(buf + 1, 37)) fatal_error( "truncated GUID\n" );
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buf[38] = 0;
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ret = sscanf(buf, guidfmt, &guid.Data1, tab, tab+1, tab+2, tab+3, tab+4, tab+5, tab+6, tab+7, tab+8, tab+9);
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if (ret != 11) fatal_error( "invalid GUID '%s'\n", buf );
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guid.Data2 = tab[0];
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guid.Data3 = tab[1];
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guid.Data4[0] = tab[2];
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guid.Data4[1] = tab[3];
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guid.Data4[2] = tab[4];
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guid.Data4[3] = tab[5];
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guid.Data4[4] = tab[6];
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guid.Data4[5] = tab[7];
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guid.Data4[6] = tab[8];
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guid.Data4[7] = tab[9];
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return write_word(TOKEN_GUID) &&
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write_guid(&guid);
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}
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static BOOL parse_name(void)
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{
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char c;
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int len = 0;
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char name[512];
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while (read_byte(&c) && len < sizeof(name) &&
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(isalnum(c) || c == '_' || c == '-'))
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{
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if (len + 1 < sizeof(name))
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name[len++] = c;
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}
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unread_byte(c);
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name[len] = 0;
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if (parse_keyword(name)) {
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return TRUE;
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} else {
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return write_word(TOKEN_NAME) &&
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write_dword(len) &&
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write_bytes(name, len);
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}
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}
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static BOOL parse_number(void)
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{
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int len = 0;
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char c;
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char buffer[512];
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BOOL dot = FALSE;
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BOOL ret;
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while (read_byte(&c) &&
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((!len && c == '-') || (!dot && c == '.') || isdigit(c)))
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{
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if (len + 1 < sizeof(buffer))
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buffer[len++] = c;
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if (c == '.')
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dot = TRUE;
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}
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unread_byte(c);
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buffer[len] = 0;
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if (dot) {
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float value;
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ret = sscanf(buffer, "%f", &value);
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if (!ret) fatal_error( "invalid float token\n" );
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ret = write_word(TOKEN_FLOAT) &&
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write_float(value);
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} else {
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int value;
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ret = sscanf(buffer, "%d", &value);
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if (!ret) fatal_error( "invalid integer token\n" );
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ret = write_word(TOKEN_INTEGER) &&
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write_dword(value);
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}
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return ret;
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}
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static BOOL parse_token(void)
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{
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char c;
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int len;
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char *tok, buffer[512];
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if (!read_byte(&c))
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return FALSE;
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switch (c)
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{
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case '\n':
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case '\r':
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case ' ':
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case '\t':
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return TRUE;
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case '{': return write_word(TOKEN_OBRACE);
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case '}': return write_word(TOKEN_CBRACE);
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case '[': return write_word(TOKEN_OBRACKET);
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case ']': return write_word(TOKEN_CBRACKET);
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case '(': return write_word(TOKEN_OPAREN);
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case ')': return write_word(TOKEN_CPAREN);
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case ',': return write_word(TOKEN_COMMA);
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case ';': return write_word(TOKEN_SEMICOLON);
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case '.': return write_word(TOKEN_DOT);
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case '/':
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if (!read_byte(&c) || c != '/')
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fatal_error( "invalid single '/' comment token\n" );
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while (read_byte(&c) && c != '\n');
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return c == '\n';
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case '#':
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len = 0;
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while (read_byte(&c) && c != '\n')
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if (len + 1 < sizeof(buffer)) buffer[len++] = c;
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if (c != '\n') fatal_error( "line too long\n" );
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buffer[len] = 0;
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tok = strtok( buffer, " \t" );
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if (!tok || strcmp( tok, "pragma" )) return TRUE;
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tok = strtok( NULL, " \t" );
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if (!tok || strcmp( tok, "xftmpl" )) return TRUE;
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tok = strtok( NULL, " \t" );
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if (!tok) return TRUE;
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if (!strcmp( tok, "name" ))
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{
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tok = strtok( NULL, " \t" );
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if (tok && !option_inc_var_name) option_inc_var_name = xstrdup( tok );
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}
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else if (!strcmp( tok, "size" ))
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{
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tok = strtok( NULL, " \t" );
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if (tok && !option_inc_size_name) option_inc_size_name = xstrdup( tok );
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}
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return TRUE;
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case '<':
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return parse_guid();
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case '"':
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len = 0;
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/* FIXME: Handle '\' (e.g. "valid\"string") */
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while (read_byte(&c) && c != '"') {
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if (len + 1 < sizeof(buffer))
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buffer[len++] = c;
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}
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if (c != '"') fatal_error( "unterminated string\n" );
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return write_word(TOKEN_STRING) &&
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write_dword(len) &&
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write_bytes(buffer, len);
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default:
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unread_byte(c);
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if (isdigit(c) || c == '-')
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return parse_number();
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if (isalpha(c) || c == '_')
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return parse_name();
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fatal_error( "invalid character '%c' to start token\n", c );
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}
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return TRUE;
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}
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static const char *output_file;
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static void cleanup_files(void)
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{
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if (output_file) unlink(output_file);
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}
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static void exit_on_signal( int sig )
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{
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exit(1); /* this will call the atexit functions */
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}
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static void usage(void)
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{
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fprintf(stderr, "Usage: %s [OPTIONS] INFILE\n"
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"Options:\n"
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" -H Output to a c header file instead of a binary file\n"
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" -i NAME Output to a c header file, data in variable NAME\n"
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" -s NAME In a c header file, define NAME to be the data size\n"
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" -o FILE Write output to FILE\n",
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program_name);
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}
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static void option_callback( int optc, char *optarg )
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{
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switch (optc)
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{
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case 'h':
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usage();
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exit(0);
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case 'H':
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option_header = TRUE;
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break;
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case 'i':
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option_header = TRUE;
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option_inc_var_name = xstrdup(optarg);
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break;
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case 'o':
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option_outfile_name = xstrdup(optarg);
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break;
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case 's':
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option_inc_size_name = xstrdup(optarg);
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break;
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case '?':
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fprintf( stderr, "%s: %s\n", program_name, optarg );
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exit(1);
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}
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}
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int main(int argc, char **argv)
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{
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char header[16];
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struct strarray args;
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char *header_name = NULL;
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program_name = argv[0];
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args = parse_options(argc, argv, "hHi:o:s:", NULL, 0, option_callback );
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if (!args.count)
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{
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usage();
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return 1;
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}
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infile_name = args.str[0];
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infile = stdin;
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outfile = NULL;
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if (!strcmp(infile_name, "-")) {
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infile_name = "stdin";
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} else if (!(infile = fopen(infile_name, "rb"))) {
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perror(infile_name);
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goto error;
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}
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if (!read_bytes(header, sizeof(header))) {
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fprintf(stderr, "%s: Failed to read file header\n", program_name);
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goto error;
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}
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if (strncmp(header, "xof ", 4))
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{
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fprintf(stderr, "%s: Invalid magic value '%.4s'\n", program_name, header);
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goto error;
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}
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if (strncmp(header + 4, "0302", 4) && strncmp(header + 4, "0303", 4))
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{
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fprintf(stderr, "%s: Unsupported version '%.4s'\n", program_name, header + 4);
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goto error;
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}
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if (strncmp(header + 8, "txt ", 4))
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{
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fprintf(stderr, "%s: Only support conversion from text encoded X files.",
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program_name);
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goto error;
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}
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if (strncmp(header + 12, "0032", 4) && strncmp(header + 12, "0064", 4))
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{
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fprintf(stderr, "%s: Only 32-bit or 64-bit float format supported, not '%.4s'.\n",
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program_name, header + 12);
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goto error;
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}
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if (!strcmp(option_outfile_name, "-")) {
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option_outfile_name = "stdout";
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outfile = stdout;
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} else {
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output_file = option_outfile_name;
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atexit(cleanup_files);
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signal(SIGTERM, exit_on_signal);
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signal(SIGINT, exit_on_signal);
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#ifdef SIGHUP
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signal(SIGHUP, exit_on_signal);
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#endif
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if (!(outfile = fopen(output_file, "wb"))) {
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perror(option_outfile_name);
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goto error;
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}
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}
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if (!write_bytes("xof 0302bin 0064", 16))
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goto error;
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line_no = 1;
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while (parse_token());
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if (ferror(outfile) || ferror(infile))
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goto error;
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if (option_header)
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{
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char *str_ptr;
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if (!option_inc_var_name)
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fatal_error( "variable name must be specified with -i or #pragma name\n" );
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header_name = get_basename( option_outfile_name );
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str_ptr = header_name;
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while (*str_ptr) {
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if (*str_ptr == '.')
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*str_ptr = '_';
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else
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*str_ptr = toupper(*str_ptr);
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str_ptr++;
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}
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fprintf(outfile,
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"/* File generated automatically from %s; do not edit */\n"
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"\n"
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"#ifndef __WINE_%s\n"
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"#define __WINE_%s\n"
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"\n"
|
|
"unsigned char %s[] = {",
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infile_name, header_name, header_name, option_inc_var_name);
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|
write_c_hex_bytes();
|
|
fprintf(outfile, "\n};\n\n");
|
|
if (option_inc_size_name)
|
|
fprintf(outfile, "#define %s %u\n\n", option_inc_size_name, output_pos);
|
|
fprintf(outfile, "#endif /* __WINE_%s */\n", header_name);
|
|
if (ferror(outfile))
|
|
goto error;
|
|
}
|
|
else write_raw_bytes();
|
|
|
|
fclose(infile);
|
|
fclose(outfile);
|
|
output_file = NULL;
|
|
|
|
return 0;
|
|
error:
|
|
if (infile) {
|
|
if (ferror(infile))
|
|
perror(infile_name);
|
|
fclose(infile);
|
|
}
|
|
if (outfile) {
|
|
if (ferror(outfile))
|
|
perror(option_outfile_name);
|
|
fclose(outfile);
|
|
}
|
|
return 1;
|
|
}
|