283 lines
7.4 KiB
C
283 lines
7.4 KiB
C
/*
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* Option parsing
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*
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* Copyright 2000 Alexandre Julliard
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*/
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#include "config.h"
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#include <string.h>
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#include <stdlib.h>
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#include "winbase.h"
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#include "main.h"
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#include "options.h"
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#include "version.h"
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#include "debugtools.h"
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struct option
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{
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const char *longname;
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char shortname;
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int has_arg;
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int inherit;
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void (*func)( const char *arg );
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const char *usage;
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};
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/* Most Windows C/C++ compilers use something like this to */
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/* access argc and argv globally: */
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int _ARGC;
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char **_ARGV;
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/* default options */
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struct options Options =
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{
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NULL, /* desktopGeometry */
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NULL, /* display */
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NULL, /* dllFlags */
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FALSE, /* synchronous */
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0, /* language */
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FALSE, /* Managed windows */
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NULL /* Alternate config file name */
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};
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const char *argv0;
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static char *inherit_str; /* options to pass to child processes */
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static void out_of_memory(void) WINE_NORETURN;
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static void out_of_memory(void)
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{
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MESSAGE( "Virtual memory exhausted\n" );
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ExitProcess(1);
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}
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static char *xstrdup( const char *str )
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{
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char *ret = strdup( str );
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if (!ret) out_of_memory();
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return ret;
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}
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static void do_config( const char *arg );
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static void do_desktop( const char *arg );
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static void do_display( const char *arg );
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static void do_dll( const char *arg );
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static void do_help( const char *arg );
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static void do_managed( const char *arg );
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static void do_synchronous( const char *arg );
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static void do_version( const char *arg );
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static const struct option option_table[] =
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{
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{ "config", 0, 1, 0, do_config,
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"--config name Specify config file to use" },
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{ "debugmsg", 0, 1, 1, MAIN_ParseDebugOptions,
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"--debugmsg name Turn debugging-messages on or off" },
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{ "desktop", 0, 1, 1, do_desktop,
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"--desktop geom Use a desktop window of the given geometry" },
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{ "display", 0, 1, 0, do_display,
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"--display name Use the specified display" },
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{ "dll", 0, 1, 1, do_dll,
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"--dll name Enable or disable built-in DLLs" },
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{ "dosver", 0, 1, 1, VERSION_ParseDosVersion,
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"--dosver x.xx DOS version to imitate (e.g. 6.22). Only valid with --winver win31" },
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{ "help", 'h', 0, 0, do_help,
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"--help,-h Show this help message" },
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{ "language", 0, 1, 1, MAIN_ParseLanguageOption,
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"--language xx Set the language (one of Br,Ca,Cs,Cy,Da,De,En,Eo,Es,Fi,Fr,Ga,Gd,Gv,\n"
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" Hr,Hu,It,Ja,Ko,Kw,Nl,No,Pl,Pt,Sk,Sv,Ru,Wa)" },
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{ "managed", 0, 0, 0, do_managed,
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"--managed Allow the window manager to manage created windows" },
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{ "synchronous", 0, 0, 1, do_synchronous,
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"--synchronous Turn on synchronous display mode" },
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{ "version", 'v', 0, 0, do_version,
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"--version,-v Display the Wine version" },
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{ "winver", 0, 1, 1, VERSION_ParseWinVersion,
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"--winver Version to imitate (one of win31,win95,nt351,nt40)" },
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{ NULL, } /* terminator */
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};
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static void do_help( const char *arg )
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{
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OPTIONS_Usage();
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}
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static void do_version( const char *arg )
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{
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MESSAGE( "%s\n", WINE_RELEASE_INFO );
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ExitProcess(0);
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}
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static void do_synchronous( const char *arg )
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{
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Options.synchronous = TRUE;
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}
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static void do_desktop( const char *arg )
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{
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Options.desktopGeometry = xstrdup( arg );
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}
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static void do_display( const char *arg )
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{
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Options.display = xstrdup( arg );
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}
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static void do_dll( const char *arg )
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{
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if (Options.dllFlags)
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{
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/* don't overwrite previous value. Should we
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* automatically add the ',' between multiple DLLs ?
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*/
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MESSAGE("Only one -dll flag is allowed. Use ',' between multiple DLLs\n");
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ExitProcess(1);
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}
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Options.dllFlags = xstrdup( arg );
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}
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static void do_managed( const char *arg )
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{
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Options.managed = TRUE;
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}
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static void do_config( const char *arg )
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{
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Options.configFileName = xstrdup( arg );
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}
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static void remove_options( char *argv[], int pos, int count, int inherit )
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{
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if (inherit)
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{
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int i, len = 0;
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for (i = 0; i < count; i++) len += strlen(argv[pos+i]) + 1;
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if (inherit_str)
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{
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if (!(inherit_str = realloc( inherit_str, strlen(inherit_str) + len )))
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out_of_memory();
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strcat( inherit_str, " " );
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}
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else
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{
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if (!(inherit_str = malloc( len ))) out_of_memory();
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inherit_str[0] = 0;
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}
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for (i = 0; i < count; i++)
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{
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strcat( inherit_str, argv[pos+i] );
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if (i < count-1) strcat( inherit_str, " " );
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}
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}
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while ((argv[pos] = argv[pos+count])) pos++;
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}
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/* parse options from the argv array and remove all the recognized ones */
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static void parse_options( char *argv[] )
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{
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const struct option *opt;
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int i;
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for (i = 0; argv[i]; i++)
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{
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char *p = argv[i];
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if (*p++ != '-') continue; /* not an option */
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if (*p && !p[1]) /* short name */
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{
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if (*p == '-') break; /* "--" option */
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for (opt = option_table; opt->longname; opt++) if (opt->shortname == *p) break;
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}
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else /* long name */
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{
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if (*p == '-') p++;
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/* check for the long name */
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for (opt = option_table; opt->longname; opt++)
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if (!strcmp( p, opt->longname )) break;
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}
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if (!opt->longname) continue;
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if (opt->has_arg && argv[i+1])
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{
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opt->func( argv[i+1] );
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remove_options( argv, i, 2, opt->inherit );
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}
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else
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{
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opt->func( "" );
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remove_options( argv, i, 1, opt->inherit );
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}
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i--;
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}
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}
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/* inherit options from WINEOPTIONS variable */
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static void inherit_options( char *buffer )
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{
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char *argv[256];
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int i;
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char *p = strtok( buffer, " \t" );
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for (i = 0; i < sizeof(argv)/sizeof(argv[0])-1 && p; i++)
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{
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argv[i] = p;
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p = strtok( NULL, " \t" );
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}
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argv[i] = NULL;
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parse_options( argv );
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if (argv[0]) /* an option remains */
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{
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MESSAGE( "Unknown option '%s' in WINEOPTIONS variable\n\n", argv[0] );
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OPTIONS_Usage();
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}
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}
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/***********************************************************************
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* OPTIONS_Usage
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*/
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void OPTIONS_Usage(void)
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{
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const struct option *opt;
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MESSAGE( "Usage: %s [options] program_name [arguments]\n\n", argv0 );
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MESSAGE( "Options:\n" );
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for (opt = option_table; opt->longname; opt++) MESSAGE( " %s\n", opt->usage );
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ExitProcess(0);
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}
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/***********************************************************************
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* OPTIONS_ParseOptions
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*/
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void OPTIONS_ParseOptions( char *argv[] )
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{
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char buffer[1024];
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int i;
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if (GetEnvironmentVariableA( "WINEOPTIONS", buffer, sizeof(buffer) ) && buffer[0])
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inherit_options( buffer );
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parse_options( argv + 1 );
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SetEnvironmentVariableA( "WINEOPTIONS", inherit_str );
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/* check if any option remains */
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for (i = 1; argv[i]; i++)
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{
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if (!strcmp( argv[i], "--" ))
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{
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remove_options( argv, i, 1, 0 );
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break;
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}
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if (argv[i][0] == '-')
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{
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MESSAGE( "Unknown option '%s'\n\n", argv[i] );
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OPTIONS_Usage();
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}
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}
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/* count the resulting arguments */
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_ARGV = argv;
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_ARGC = 0;
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while (argv[_ARGC]) _ARGC++;
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}
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