mirror of
https://github.com/reactos/wine.git
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506 lines
13 KiB
C
506 lines
13 KiB
C
/*
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* DOS CONFIG.SYS parser
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*
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* Copyright 1998 Andreas Mohr
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdarg.h>
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#include <stdio.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winreg.h"
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#include "dosexe.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(profile);
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static int DOSCONF_Device(char **confline);
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static int DOSCONF_Dos(char **confline);
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static int DOSCONF_Fcbs(char **confline);
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static int DOSCONF_Break(char **confline);
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static int DOSCONF_Files(char **confline);
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static int DOSCONF_Install(char **confline);
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static int DOSCONF_Lastdrive(char **confline);
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static int DOSCONF_Menu(char **confline);
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static int DOSCONF_Include(char **confline);
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static int DOSCONF_Country(char **confline);
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static int DOSCONF_Numlock(char **confline);
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static int DOSCONF_Switches(char **confline);
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static int DOSCONF_Shell(char **confline);
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static int DOSCONF_Stacks(char **confline);
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static int DOSCONF_Buffers(char **confline);
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static void DOSCONF_Parse(char *menuname);
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static DOSCONF DOSCONF_config =
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{
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'E', /* lastdrive */
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0, /* brk_flag */
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8, /* files */
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9, /* stacks_nr */
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256, /* stacks_sz */
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15, /* buf */
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1, /* buf2 */
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4, /* fcbs */
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0, /* flags */
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NULL, /* shell */
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NULL /* country */
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};
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static BOOL DOSCONF_loaded = FALSE;
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typedef struct {
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const char *tag_name;
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int (*tag_handler)(char **p);
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} TAG_ENTRY;
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/*
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* see
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* http://egeria.cm.cf.ac.uk/User/P.L.Poulain/project/internal/allinter.htm
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* or
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* http://www.csulb.edu/~murdock/dosindex.html
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*/
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static const TAG_ENTRY DOSCONF_tag_entries[] =
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{
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{ ";", NULL },
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{ "REM ", NULL },
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{ "DEVICE", DOSCONF_Device },
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{ "[", DOSCONF_Menu },
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{ "SUBMENU", NULL },
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{ "MENUDEFAULT", DOSCONF_Menu },
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{ "INCLUDE", DOSCONF_Include },
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{ "INSTALL", DOSCONF_Install },
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{ "DOS", DOSCONF_Dos },
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{ "FCBS", DOSCONF_Fcbs },
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{ "BREAK", DOSCONF_Break },
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{ "FILES", DOSCONF_Files },
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{ "SHELL", DOSCONF_Shell },
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{ "STACKS", DOSCONF_Stacks },
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{ "BUFFERS", DOSCONF_Buffers },
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{ "COUNTRY", DOSCONF_Country },
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{ "NUMLOCK", DOSCONF_Numlock },
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{ "SWITCHES", DOSCONF_Switches },
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{ "LASTDRIVE", DOSCONF_Lastdrive }
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};
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static FILE *DOSCONF_fd = NULL;
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static char *DOSCONF_menu_default = NULL;
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static int DOSCONF_menu_in_listing = 0; /* we are in the [menu] section */
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static int DOSCONF_menu_skip = 0; /* the current menu gets skipped */
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static void DOSCONF_skip(char **pconfline)
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{
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char *p;
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p = *pconfline;
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while ( (*p == ' ') || (*p == '\t') ) p++;
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*pconfline = p;
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}
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static int DOSCONF_JumpToEntry(char **pconfline, char separator)
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{
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char *p;
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p = *pconfline;
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while ( (*p != separator) && (*p != '\0') ) p++;
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if (*p != separator)
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return 0;
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else
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p++;
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while ( (*p == ' ') || (*p == '\t') ) p++;
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*pconfline = p;
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return 1;
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}
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static int DOSCONF_Device(char **confline)
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{
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int loadhigh = 0;
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*confline += 6; /* strlen("DEVICE") */
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if (!(strncasecmp(*confline, "HIGH", 4)))
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{
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loadhigh = 1;
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*confline += 4;
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/* FIXME: get DEVICEHIGH parameters if avail ? */
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}
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if (!(DOSCONF_JumpToEntry(confline, '='))) return 0;
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TRACE("Loading device '%s'\n", *confline);
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#if 0
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DOSMOD_LoadDevice(*confline, loadhigh);
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#endif
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return 1;
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}
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static int DOSCONF_Dos(char **confline)
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{
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*confline += 3; /* strlen("DOS") */
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if (!(DOSCONF_JumpToEntry(confline, '='))) return 0;
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while (**confline != '\0')
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{
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if (!(strncasecmp(*confline, "HIGH", 4)))
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{
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DOSCONF_config.flags |= DOSCONF_MEM_HIGH;
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*confline += 4;
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}
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else if (!(strncasecmp(*confline, "UMB", 3)))
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{
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DOSCONF_config.flags |= DOSCONF_MEM_UMB;
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*confline += 3;
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}
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else
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{
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(*confline)++;
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}
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DOSCONF_JumpToEntry(confline, ',');
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}
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TRACE( "DOSCONF_Dos: HIGH is %d, UMB is %d\n",
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(DOSCONF_config.flags & DOSCONF_MEM_HIGH) != 0,
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(DOSCONF_config.flags & DOSCONF_MEM_UMB) != 0 );
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return 1;
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}
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static int DOSCONF_Fcbs(char **confline)
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{
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*confline += 4; /* strlen("FCBS") */
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if (!(DOSCONF_JumpToEntry(confline, '='))) return 0;
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DOSCONF_config.fcbs = atoi(*confline);
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if (DOSCONF_config.fcbs > 255)
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{
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WARN( "The FCBS value in the config.sys file is too high! Setting to 255.\n" );
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DOSCONF_config.fcbs = 255;
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}
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TRACE( "DOSCONF_Fcbs returning %d\n", DOSCONF_config.fcbs );
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return 1;
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}
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static int DOSCONF_Break(char **confline)
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{
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*confline += 5; /* strlen("BREAK") */
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if (!(DOSCONF_JumpToEntry(confline, '='))) return 0;
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if (!(strcasecmp(*confline, "ON")))
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DOSCONF_config.brk_flag = 1;
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TRACE( "BREAK is %d\n", DOSCONF_config.brk_flag );
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return 1;
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}
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static int DOSCONF_Files(char **confline)
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{
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*confline += 5; /* strlen("FILES") */
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if (!(DOSCONF_JumpToEntry(confline, '='))) return 0;
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DOSCONF_config.files = atoi(*confline);
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if (DOSCONF_config.files > 255)
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{
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WARN( "The FILES value in the config.sys file is too high! Setting to 255.\n" );
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DOSCONF_config.files = 255;
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}
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if (DOSCONF_config.files < 8)
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{
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WARN( "The FILES value in the config.sys file is too low! Setting to 8.\n" );
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DOSCONF_config.files = 8;
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}
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TRACE( "DOSCONF_Files returning %d\n", DOSCONF_config.files );
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return 1;
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}
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static int DOSCONF_Install(char **confline)
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{
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#if 0
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int loadhigh = 0;
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#endif
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*confline += 7; /* strlen("INSTALL") */
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if (!(DOSCONF_JumpToEntry(confline, '='))) return 0;
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TRACE( "Installing '%s'\n", *confline );
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#if 0
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DOSMOD_Install(*confline, loadhigh);
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#endif
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return 1;
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}
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static int DOSCONF_Lastdrive(char **confline)
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{
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*confline += 9; /* strlen("LASTDRIVE") */
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if (!(DOSCONF_JumpToEntry(confline, '='))) return 0;
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DOSCONF_config.lastdrive = toupper(**confline);
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TRACE( "Lastdrive %c\n", DOSCONF_config.lastdrive );
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return 1;
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}
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static int DOSCONF_Country(char **confline)
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{
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*confline += 7; /* strlen("COUNTRY") */
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if (!(DOSCONF_JumpToEntry(confline, '='))) return 0;
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TRACE( "Country '%s'\n", *confline );
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if (DOSCONF_config.country == NULL)
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DOSCONF_config.country = malloc(strlen(*confline) + 1);
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strcpy(DOSCONF_config.country, *confline);
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return 1;
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}
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static int DOSCONF_Numlock(char **confline)
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{
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*confline += 7; /* strlen("NUMLOCK") */
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if (!(DOSCONF_JumpToEntry(confline, '='))) return 0;
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if (!(strcasecmp(*confline, "ON")))
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DOSCONF_config.flags |= DOSCONF_NUMLOCK;
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TRACE( "NUMLOCK is %d\n",
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(DOSCONF_config.flags & DOSCONF_NUMLOCK) != 0 );
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return 1;
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}
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static int DOSCONF_Switches(char **confline)
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{
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char *p;
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*confline += 8; /* strlen("SWITCHES") */
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if (!(DOSCONF_JumpToEntry(confline, '='))) return 0;
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p = strtok(*confline, "/");
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do
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{
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if ( toupper(*p) == 'K')
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DOSCONF_config.flags |= DOSCONF_KEYB_CONV;
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}
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while ((p = strtok(NULL, "/")));
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TRACE( "'Force conventional keyboard' is %d\n",
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(DOSCONF_config.flags & DOSCONF_KEYB_CONV) != 0 );
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return 1;
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}
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static int DOSCONF_Shell(char **confline)
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{
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*confline += 5; /* strlen("SHELL") */
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if (!(DOSCONF_JumpToEntry(confline, '='))) return 0;
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TRACE( "Shell '%s'\n", *confline );
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if (DOSCONF_config.shell == NULL)
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DOSCONF_config.shell = malloc(strlen(*confline) + 1);
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strcpy(DOSCONF_config.shell, *confline);
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return 1;
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}
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static int DOSCONF_Stacks(char **confline)
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{
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*confline += 6; /* strlen("STACKS") */
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if (!(DOSCONF_JumpToEntry(confline, '='))) return 0;
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DOSCONF_config.stacks_nr = atoi(strtok(*confline, ","));
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DOSCONF_config.stacks_sz = atoi((strtok(NULL, ",")));
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TRACE( "%d stacks of size %d\n",
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DOSCONF_config.stacks_nr, DOSCONF_config.stacks_sz );
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return 1;
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}
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static int DOSCONF_Buffers(char **confline)
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{
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char *p;
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*confline += 7; /* strlen("BUFFERS") */
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if (!(DOSCONF_JumpToEntry(confline, '='))) return 0;
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p = strtok(*confline, ",");
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DOSCONF_config.buf = atoi(p);
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if ((p = strtok(NULL, ",")))
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DOSCONF_config.buf2 = atoi(p);
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TRACE( "%d primary buffers, %d secondary buffers\n",
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DOSCONF_config.buf, DOSCONF_config.buf2 );
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return 1;
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}
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static int DOSCONF_Menu(char **confline)
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{
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if (!(strncasecmp(*confline, "[MENU]", 6)))
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{
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DOSCONF_menu_in_listing = 1;
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}
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else if ((!(strncasecmp(*confline, "[COMMON]", 8)))
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|| (!(strncasecmp(*confline, "[WINE]", 6))))
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{
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DOSCONF_menu_skip = 0;
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}
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else if (**confline == '[')
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{
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(*confline)++;
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if ((DOSCONF_menu_default)
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&& (!(strncasecmp(*confline, DOSCONF_menu_default,
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strlen(DOSCONF_menu_default)))))
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{
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free(DOSCONF_menu_default);
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DOSCONF_menu_default = NULL;
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DOSCONF_menu_skip = 0;
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}
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else
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DOSCONF_menu_skip = 1;
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DOSCONF_menu_in_listing = 0;
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}
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else if (!(strncasecmp(*confline, "menudefault", 11))
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&& (DOSCONF_menu_in_listing))
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{
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if (!(DOSCONF_JumpToEntry(confline, '='))) return 0;
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*confline = strtok(*confline, ",");
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DOSCONF_menu_default = malloc(strlen(*confline) + 1);
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strcpy(DOSCONF_menu_default, *confline);
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}
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return 1;
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}
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static int DOSCONF_Include(char **confline)
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{
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fpos_t oldpos;
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char *temp;
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*confline += 7; /* strlen("INCLUDE") */
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if (!(DOSCONF_JumpToEntry(confline, '='))) return 0;
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fgetpos(DOSCONF_fd, &oldpos);
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fseek(DOSCONF_fd, 0, SEEK_SET);
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TRACE( "Including menu '%s'\n", *confline );
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temp = malloc(strlen(*confline) + 1);
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strcpy(temp, *confline);
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DOSCONF_Parse(temp);
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free(temp);
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fsetpos(DOSCONF_fd, &oldpos);
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return 1;
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}
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static void DOSCONF_Parse(char *menuname)
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{
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char confline[256];
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char *p, *trail;
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int i;
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if (menuname != NULL) /* we need to jump to a certain sub menu */
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{
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while (fgets(confline, 255, DOSCONF_fd))
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{
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p = confline;
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DOSCONF_skip(&p);
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if (*p == '[')
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{
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p++;
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if (!(trail = strrchr(p, ']')))
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return;
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if (!(strncasecmp(p, menuname, (int)trail - (int)p)))
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break;
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}
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}
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}
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while (fgets(confline, 255, DOSCONF_fd))
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{
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p = confline;
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DOSCONF_skip(&p);
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if ((menuname) && (*p == '['))
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/*
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* we were handling a specific sub menu,
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* but now next menu begins
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*/
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break;
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if ((trail = strrchr(confline, '\n')))
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*trail = '\0';
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if ((trail = strrchr(confline, '\r')))
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*trail = '\0';
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if (!(DOSCONF_menu_skip))
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{
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for (i = 0; i < sizeof(DOSCONF_tag_entries) / sizeof(TAG_ENTRY);
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i++)
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if (!(strncasecmp(p, DOSCONF_tag_entries[i].tag_name,
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strlen(DOSCONF_tag_entries[i].tag_name))))
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{
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TRACE( "tag '%s'\n", DOSCONF_tag_entries[i].tag_name );
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if (DOSCONF_tag_entries[i].tag_handler != NULL)
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DOSCONF_tag_entries[i].tag_handler(&p);
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break;
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}
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}
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else
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{
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/* the current menu gets skipped */
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DOSCONF_Menu(&p);
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}
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}
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}
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DOSCONF *DOSCONF_GetConfig(void)
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{
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HKEY hkey;
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WCHAR filename[MAX_PATH];
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static const WCHAR configW[] = {'c','o','n','f','i','g','.','s','y','s',0};
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if (DOSCONF_loaded)
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return &DOSCONF_config;
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/* default value */
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filename[0] = '*'; filename[1] = '\0';
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if (!RegOpenKeyA(HKEY_LOCAL_MACHINE,
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"Software\\Wine\\Wine\\Config\\wine",
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&hkey))
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{
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DWORD type;
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DWORD count = sizeof(filename);
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RegQueryValueExW(hkey, configW, 0, &type, (LPBYTE)filename, &count);
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RegCloseKey(hkey);
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}
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if ((filename[0] != '*' || filename[1] != '\0') && *filename != '\0')
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{
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char *fullname;
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if ((fullname = wine_get_unix_file_name(filename)))
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{
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DOSCONF_fd = fopen(fullname, "r");
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HeapFree( GetProcessHeap(), 0, fullname );
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}
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if (DOSCONF_fd)
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{
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DOSCONF_Parse(NULL);
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fclose(DOSCONF_fd);
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DOSCONF_fd = NULL;
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}
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else
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{
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WARN( "Couldn't open config.sys file given as %s in"
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" configuration file, section [wine]!\n",
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debugstr_w(filename) );
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}
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}
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DOSCONF_loaded = TRUE;
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return &DOSCONF_config;
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}
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