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Process Win32 commandline

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This commit is contained in:
Thomas Bernard 2018-06-22 14:38:40 +02:00
parent e4b3ca7109
commit d809adb540
1 changed files with 151 additions and 74 deletions
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225
src/main.c
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@ -37,6 +37,10 @@
#include <signal.h> #include <signal.h>
#ifndef _MSC_VER #ifndef _MSC_VER
#include <unistd.h> #include <unistd.h>
#else
#if _MSC_VER < 1900
#define snprintf _snprintf
#endif
#endif #endif
#if defined(USE_SDL) || defined(USE_SDL2) #if defined(USE_SDL) || defined(USE_SDL2)
#include <SDL.h> #include <SDL.h>
@ -104,35 +108,45 @@ static int setsize_height;
//--- Affichage de la syntaxe, et de la liste des modes vidéos disponibles --- //--- Affichage de la syntaxe, et de la liste des modes vidéos disponibles ---
void Display_syntax(void) void Display_syntax(void)
{ {
int mode_index; int mode_index, i;
printf("Syntax: grafx2 [<arguments>] [<picture1>] [<picture2>]\n\n"); char modes[1024*2];
printf("<arguments> can be:]\n"); const char * syntax =
printf("\t-? -h -H -help for this help screen\n"); "Syntax: grafx2 [<arguments>] [<picture1>] [<picture2>]\n\n"
printf("\t-wide to emulate a video mode with wide pixels (2x1)\n"); "<arguments> can be:\n"
printf("\t-tall to emulate a video mode with tall pixels (1x2)\n"); "\t-? -h -H -help for this help screen\n"
printf("\t-double to emulate a video mode with double pixels (2x2)\n"); "\t-wide to emulate a video mode with wide pixels (2x1)\n"
printf("\t-wide2 to emulate a video mode with double wide pixels (4x2)\n"); "\t-tall to emulate a video mode with tall pixels (1x2)\n"
printf("\t-tall2 to emulate a video mode with double tall pixels (2x4)\n"); "\t-double to emulate a video mode with double pixels (2x2)\n"
printf("\t-triple to emulate a video mode with triple pixels (3x3)\n"); "\t-wide2 to emulate a video mode with double wide pixels (4x2)\n"
printf("\t-quadruple to emulate a video mode with quadruple pixels (4x4)\n"); "\t-tall2 to emulate a video mode with double tall pixels (2x4)\n"
printf("\t-rgb n to reduce RGB precision (2 to 256, 256=max precision)\n"); "\t-triple to emulate a video mode with triple pixels (3x3)\n"
printf("\t-gamma n to adjust Gamma correction (1 to 30, 10=no correction)\n"); "\t-quadruple to emulate a video mode with quadruple pixels (4x4)\n"
printf("\t-skin <filename> to use an alternate file with the menu graphics\n"); "\t-rgb n to reduce RGB precision (2 to 256, 256=max precision)\n"
printf("\t-mode <videomode> to set a video mode\n"); "\t-gamma n to adjust Gamma correction (1 to 30, 10=no correction)\n"
printf("\t-size <resolution> to set the image size\n"); "\t-skin <filename> to use an alternate file with the menu graphics\n"
printf("Arguments can be prefixed either by / - or --\n"); "\t-mode <videomode> to set a video mode\n"
printf("They can also be abbreviated.\n\n"); "\t-size <resolution> to set the image size\n"
printf("Available video modes:\n\n"); "Arguments can be prefixed either by / - or --\n"
"They can also be abbreviated.\n\n";
fputs(syntax, stdout);
i = snprintf(modes, sizeof(modes), "Available video modes:\n\n");
for (mode_index = 0; mode_index < Nb_video_modes; mode_index += 12) for (mode_index = 0; mode_index < Nb_video_modes; mode_index += 12)
{ {
int k; int k;
for (k = 0; k < 6; k++) for (k = 0; k < 6; k++)
{ {
if (mode_index + k >= Nb_video_modes) break; if (mode_index + k >= Nb_video_modes) break;
printf("%12s",Mode_label(mode_index + k)); i += snprintf(modes + i, sizeof(modes) - i, "%12s", Mode_label(mode_index + k));
} }
puts(""); i += snprintf(modes + i, sizeof(modes) - i, "\n");
} }
fputs(modes, stdout);
#if defined(WIN32)
MessageBoxA(NULL, syntax, "GrafX2", MB_OK);
MessageBoxA(NULL, modes, "GrafX2", MB_OK);
#endif
} }
// ---------------------------- Sortie impromptue ---------------------------- // ---------------------------- Sortie impromptue ----------------------------
@ -267,9 +281,9 @@ int Analyze_command_line(int argc, char * argv[], char *main_filename, char *mai
file_in_command_line = 0; file_in_command_line = 0;
Resolution_in_command_line = 0; Resolution_in_command_line = 0;
Current_resolution = Config.Default_resolution; Current_resolution = Config.Default_resolution;
for (index = 1; index<argc; index++) for (index = 1; index<argc; index++)
{ {
char *s = argv[index]; char *s = argv[index];
@ -289,7 +303,7 @@ int Analyze_command_line(int argc, char * argv[], char *main_filename, char *mai
} }
else else
s++; s++;
for (tmpi = 0; tmpi < ARRAY_SIZE(cmdparams); tmpi++) for (tmpi = 0; tmpi < ARRAY_SIZE(cmdparams); tmpi++)
{ {
if (!strcmp(s, cmdparams[tmpi].param)) if (!strcmp(s, cmdparams[tmpi].param))
@ -462,7 +476,7 @@ int Analyze_command_line(int argc, char * argv[], char *main_filename, char *mai
{ {
file_in_command_line ++; file_in_command_line ++;
buffer = Realpath(argv[index], NULL); buffer = Realpath(argv[index], NULL);
if (file_in_command_line == 1) if (file_in_command_line == 1)
{ {
// Separate path from filename // Separate path from filename
@ -504,7 +518,7 @@ CT_ASSERT(sizeof(T_Palette)==768);
// ------------------------ Initialiser le programme ------------------------- // ------------------------ Initialiser le programme -------------------------
// Returns 0 on fail // Returns 0 on fail
int Init_program(int argc,char * argv[]) int Init_program(int argc,char * argv[])
{ {
int temp; int temp;
int starting_videomode; int starting_videomode;
enum IMAGE_MODES starting_image_mode; enum IMAGE_MODES starting_image_mode;
@ -519,14 +533,14 @@ int Init_program(int argc,char * argv[])
static char main_directory[MAX_PATH_CHARACTERS]; static char main_directory[MAX_PATH_CHARACTERS];
static char spare_filename [MAX_PATH_CHARACTERS]; static char spare_filename [MAX_PATH_CHARACTERS];
static char spare_directory[MAX_PATH_CHARACTERS]; static char spare_directory[MAX_PATH_CHARACTERS];
#if defined(__MINT__) #if defined(__MINT__)
printf("===============================\n"); printf("===============================\n");
printf(" /|\\ GrafX2 %.19s\n", Program_version); printf(" /|\\ GrafX2 %.19s\n", Program_version);
printf(" compilation date: %.16s\n", __DATE__); printf(" compilation date: %.16s\n", __DATE__);
printf("===============================\n"); printf("===============================\n");
#endif #endif
#ifdef ENABLE_FILENAMES_ICONV #ifdef ENABLE_FILENAMES_ICONV
// iconv is used to convert filenames // iconv is used to convert filenames
cd = iconv_open(TOCODE, FROMCODE); // From UTF8 to ANSI cd = iconv_open(TOCODE, FROMCODE); // From UTF8 to ANSI
@ -563,10 +577,10 @@ int Init_program(int argc,char * argv[])
// On initialise les données sur le nom de fichier de l'image de brouillon: // On initialise les données sur le nom de fichier de l'image de brouillon:
strcpy(Spare.selector.Directory,Main.selector.Directory); strcpy(Spare.selector.Directory,Main.selector.Directory);
Main.fileformat=DEFAULT_FILEFORMAT; Main.fileformat=DEFAULT_FILEFORMAT;
Spare.fileformat =DEFAULT_FILEFORMAT; Spare.fileformat =DEFAULT_FILEFORMAT;
strcpy(Brush_selector.Directory,Main.selector.Directory); strcpy(Brush_selector.Directory,Main.selector.Directory);
strcpy(Brush_file_directory,Main.selector.Directory); strcpy(Brush_file_directory,Main.selector.Directory);
strcpy(Brush_filename ,"NO_NAME.GIF"); strcpy(Brush_filename ,"NO_NAME.GIF");
@ -575,18 +589,18 @@ int Init_program(int argc,char * argv[])
strcpy(Palette_selector.Directory,Main.selector.Directory); strcpy(Palette_selector.Directory,Main.selector.Directory);
// On initialise ce qu'il faut pour que les fileselects ne plantent pas: // On initialise ce qu'il faut pour que les fileselects ne plantent pas:
Main.selector.Position=0; // Au début, le fileselect est en haut de la liste des fichiers Main.selector.Position=0; // Au début, le fileselect est en haut de la liste des fichiers
Main.selector.Offset=0; // Au début, le fileselect est en haut de la liste des fichiers Main.selector.Offset=0; // Au début, le fileselect est en haut de la liste des fichiers
Main.selector.Format_filter=FORMAT_ALL_IMAGES; Main.selector.Format_filter=FORMAT_ALL_IMAGES;
Main.current_layer=0; Main.current_layer=0;
Main.layers_visible=0xFFFFFFFF; Main.layers_visible=0xFFFFFFFF;
Main.layers_visible_backup=0xFFFFFFFF; Main.layers_visible_backup=0xFFFFFFFF;
Spare.current_layer=0; Spare.current_layer=0;
Spare.layers_visible=0xFFFFFFFF; Spare.layers_visible=0xFFFFFFFF;
Spare.layers_visible_backup=0xFFFFFFFF; Spare.layers_visible_backup=0xFFFFFFFF;
Spare.selector.Position=0; Spare.selector.Position=0;
Spare.selector.Offset=0; Spare.selector.Offset=0;
Spare.selector.Format_filter=FORMAT_ALL_IMAGES; Spare.selector.Format_filter=FORMAT_ALL_IMAGES;
@ -622,12 +636,12 @@ int Init_program(int argc,char * argv[])
Spare.magnifier_offset_X=0; Spare.magnifier_offset_X=0;
Spare.magnifier_offset_Y=0; Spare.magnifier_offset_Y=0;
Keyboard_click_allowed = 1; Keyboard_click_allowed = 1;
Main.safety_backup_prefix = SAFETYBACKUP_PREFIX_A[0]; Main.safety_backup_prefix = SAFETYBACKUP_PREFIX_A[0];
Spare.safety_backup_prefix = SAFETYBACKUP_PREFIX_B[0]; Spare.safety_backup_prefix = SAFETYBACKUP_PREFIX_B[0];
Main.time_of_safety_backup = 0; Main.time_of_safety_backup = 0;
Spare.time_of_safety_backup = 0; Spare.time_of_safety_backup = 0;
#if defined(USE_SDL) || defined(USE_SDL2) #if defined(USE_SDL) || defined(USE_SDL2)
// SDL // SDL
@ -638,7 +652,7 @@ int Init_program(int argc,char * argv[])
return(0); return(0);
} }
#endif #endif
//Joystick = SDL_JoystickOpen(0); //Joystick = SDL_JoystickOpen(0);
#if defined(USE_SDL) #if defined(USE_SDL)
SDL_EnableKeyRepeat(250, 32); SDL_EnableKeyRepeat(250, 32);
@ -646,7 +660,7 @@ int Init_program(int argc,char * argv[])
SDL_WM_SetCaption("GrafX2","GrafX2"); SDL_WM_SetCaption("GrafX2","GrafX2");
#endif #endif
Define_icon(); Define_icon();
// Texte // Texte
Init_text(); Init_text();
@ -725,13 +739,13 @@ int Init_program(int argc,char * argv[])
Init_brush_container(); Init_brush_container();
Windows_open=0; Windows_open=0;
// Paintbrush // Paintbrush
if (!(Paintbrush_sprite=(byte *)malloc(MAX_PAINTBRUSH_SIZE*MAX_PAINTBRUSH_SIZE))) Error(ERROR_MEMORY); if (!(Paintbrush_sprite=(byte *)malloc(MAX_PAINTBRUSH_SIZE*MAX_PAINTBRUSH_SIZE))) Error(ERROR_MEMORY);
// Load preset paintbrushes (uses Paintbrush_ variables) // Load preset paintbrushes (uses Paintbrush_ variables)
Init_paintbrushes(); Init_paintbrushes();
// Set a valid paintbrush afterwards // Set a valid paintbrush afterwards
*Paintbrush_sprite=1; *Paintbrush_sprite=1;
Paintbrush_width=1; Paintbrush_width=1;
@ -739,7 +753,7 @@ int Init_program(int argc,char * argv[])
Paintbrush_offset_X=0; Paintbrush_offset_X=0;
Paintbrush_offset_Y=0; Paintbrush_offset_Y=0;
Paintbrush_shape=PAINTBRUSH_SHAPE_ROUND; Paintbrush_shape=PAINTBRUSH_SHAPE_ROUND;
#if defined(__GP2X__) || defined(__WIZ__) || defined(__CAANOO__) #if defined(__GP2X__) || defined(__WIZ__) || defined(__CAANOO__)
// Prefer cycling active by default // Prefer cycling active by default
Cycling_mode=1; Cycling_mode=1;
@ -764,7 +778,7 @@ int Init_program(int argc,char * argv[])
temp=Load_INI(&Config); temp=Load_INI(&Config);
if (temp) if (temp)
Error(temp); Error(temp);
if(!Config.Allow_multi_shortcuts) if(!Config.Allow_multi_shortcuts)
{ {
Remove_duplicate_shortcuts(); Remove_duplicate_shortcuts();
@ -794,11 +808,11 @@ int Init_program(int argc,char * argv[])
// Gfx->Default_palette[MC_Dark] =Config.Fav_menu_colors[1]; // Gfx->Default_palette[MC_Dark] =Config.Fav_menu_colors[1];
// Gfx->Default_palette[MC_Light]=Config.Fav_menu_colors[2]; // Gfx->Default_palette[MC_Light]=Config.Fav_menu_colors[2];
// Gfx->Default_palette[MC_White]=Config.Fav_menu_colors[3]; // Gfx->Default_palette[MC_White]=Config.Fav_menu_colors[3];
// Even when using the skin's palette, if RGB range is small // Even when using the skin's palette, if RGB range is small
// the colors will be unusable. // the colors will be unusable.
Compute_optimal_menu_colors(Gfx->Default_palette); Compute_optimal_menu_colors(Gfx->Default_palette);
// Infos sur les trames (Sieve) // Infos sur les trames (Sieve)
Sieve_mode=0; Sieve_mode=0;
Copy_preset_sieve(0); Copy_preset_sieve(0);
@ -852,20 +866,20 @@ int Init_program(int argc,char * argv[])
// Open a console for debugging... // Open a console for debugging...
//ActivateConsole(); //ActivateConsole();
#endif #endif
Main.image_width=Screen_width/Pixel_width; Main.image_width=Screen_width/Pixel_width;
Main.image_height=Screen_height/Pixel_height; Main.image_height=Screen_height/Pixel_height;
Spare.image_width=Screen_width/Pixel_width; Spare.image_width=Screen_width/Pixel_width;
Spare.image_height=Screen_height/Pixel_height; Spare.image_height=Screen_height/Pixel_height;
starting_image_mode = Config.Default_mode_layers ? starting_image_mode = Config.Default_mode_layers ?
IMAGE_MODE_LAYERED : IMAGE_MODE_ANIMATION; IMAGE_MODE_LAYERED : IMAGE_MODE_ANIMATION;
// Allocation de mémoire pour les différents écrans virtuels (et brosse) // Allocation de mémoire pour les différents écrans virtuels (et brosse)
if (Init_all_backup_lists(starting_image_mode , Screen_width, Screen_height)==0) if (Init_all_backup_lists(starting_image_mode , Screen_width, Screen_height)==0)
Error(ERROR_MEMORY); Error(ERROR_MEMORY);
// Update toolbars' visibility, now that the current image has a mode // Update toolbars' visibility, now that the current image has a mode
Check_menu_mode(); Check_menu_mode();
// Nettoyage de l'écran virtuel (les autres recevront celui-ci par copie) // Nettoyage de l'écran virtuel (les autres recevront celui-ci par copie)
memset(Main_screen,0,Main.image_width*Main.image_height); memset(Main_screen,0,Main.image_width*Main.image_height);
@ -930,13 +944,13 @@ int Init_program(int argc,char * argv[])
{ {
strcpy(Main.selector.Directory, main_directory); strcpy(Main.selector.Directory, main_directory);
} }
// Test de recuperation de fichiers sauvés // Test de recuperation de fichiers sauvés
switch (Check_recovery()) switch (Check_recovery())
{ {
T_IO_Context context; T_IO_Context context;
default: default:
// Some files were loaded from last crash-exit. // Some files were loaded from last crash-exit.
// Do not load files from command-line, nor show splash screen. // Do not load files from command-line, nor show splash screen.
Compute_optimal_menu_colors(Main.palette); Compute_optimal_menu_colors(Main.palette);
@ -955,9 +969,9 @@ int Init_program(int argc,char * argv[])
"Some backups can be present in\n" "Some backups can be present in\n"
"the spare page too.\n"); "the spare page too.\n");
break; break;
case -1: // Unable to write lock file case -1: // Unable to write lock file
Verbose_message("Warning", Verbose_message("Warning",
"Safety backups (every minute) are\n" "Safety backups (every minute) are\n"
"disabled because Grafx2 is running\n" "disabled because Grafx2 is running\n"
"from a read-only device, or other\n" "from a read-only device, or other\n"
@ -965,14 +979,14 @@ int Init_program(int argc,char * argv[])
break; break;
case 0: case 0:
switch (file_in_command_line) switch (file_in_command_line)
{ {
case 0: case 0:
if (Config.Opening_message) if (Config.Opening_message)
Button_Message_initial(); Button_Message_initial();
break; break;
case 2: case 2:
// Load this file // Load this file
Init_context_layered_image(&context, spare_filename, spare_directory); Init_context_layered_image(&context, spare_filename, spare_directory);
@ -980,7 +994,7 @@ int Init_program(int argc,char * argv[])
Destroy_context(&context); Destroy_context(&context);
Redraw_layered_image(); Redraw_layered_image();
End_of_modification(); End_of_modification();
Button_Page(BUTTON_PAGE); Button_Page(BUTTON_PAGE);
// no break ! proceed with the other file now // no break ! proceed with the other file now
case 1: case 1:
@ -1011,7 +1025,7 @@ int Init_program(int argc,char * argv[])
// If only one image was loaded, assume the spare has same image type // If only one image was loaded, assume the spare has same image type
if (file_in_command_line==1) if (file_in_command_line==1)
Spare.backups->Pages->Image_mode = Main.backups->Pages->Image_mode; Spare.backups->Pages->Image_mode = Main.backups->Pages->Image_mode;
Hide_cursor(); Hide_cursor();
Compute_optimal_menu_colors(Main.palette); Compute_optimal_menu_colors(Main.palette);
Back_color=Main.backups->Pages->Background_transparent ? Back_color=Main.backups->Pages->Background_transparent ?
@ -1019,14 +1033,14 @@ int Init_program(int argc,char * argv[])
Best_color_range(0,0,0,Config.Palette_cells_X*Config.Palette_cells_Y); Best_color_range(0,0,0,Config.Palette_cells_X*Config.Palette_cells_Y);
Fore_color=Main.palette[Back_color].R+Main.palette[Back_color].G+Main.palette[Back_color].B < 3*127 ? Fore_color=Main.palette[Back_color].R+Main.palette[Back_color].G+Main.palette[Back_color].B < 3*127 ?
Best_color_range(255,255,255,Config.Palette_cells_X*Config.Palette_cells_Y) : Best_color_range(255,255,255,Config.Palette_cells_X*Config.Palette_cells_Y) :
Best_color_range(0,0,0,Config.Palette_cells_X*Config.Palette_cells_Y); Best_color_range(0,0,0,Config.Palette_cells_X*Config.Palette_cells_Y);
Check_menu_mode(); Check_menu_mode();
Display_all_screen(); Display_all_screen();
Display_menu(); Display_menu();
Display_cursor(); Display_cursor();
Resolution_in_command_line = 0; Resolution_in_command_line = 0;
break; break;
default: default:
break; break;
} }
@ -1053,7 +1067,7 @@ void Program_shutdown(void)
{ {
RECT r; RECT r;
static SDL_SysWMinfo pInfo; static SDL_SysWMinfo pInfo;
SDL_GetWMInfo(&pInfo); SDL_GetWMInfo(&pInfo);
GetWindowRect(pInfo.window, &r); GetWindowRect(pInfo.window, &r);
@ -1151,12 +1165,12 @@ void Program_shutdown(void)
#if defined(USE_SDL) || defined(USE_SDL2) #if defined(USE_SDL) || defined(USE_SDL2)
SDL_Quit(); SDL_Quit();
#endif #endif
#if defined(__GP2X__) || defined(__WIZ__) || defined(__CAANOO__) #if defined(__GP2X__) || defined(__WIZ__) || defined(__CAANOO__)
chdir("/usr/gp2x"); chdir("/usr/gp2x");
execl("/usr/gp2x/gp2xmenu", "/usr/gp2x/gp2xmenu", NULL); execl("/usr/gp2x/gp2xmenu", "/usr/gp2x/gp2xmenu", NULL);
#endif #endif
} }
@ -1169,28 +1183,91 @@ int main(int argc,char * argv[])
{ {
#if defined(WIN32) && !defined(USE_SDL) && !defined(USE_SDL2) #if defined(WIN32) && !defined(USE_SDL) && !defined(USE_SDL2)
TCHAR ModuleFileName[MAX_PATH]; TCHAR ModuleFileName[MAX_PATH];
TCHAR ModuleShortFileName[MAX_PATH]; TCHAR TmpArg[MAX_PATH];
int i; TCHAR ShortFileName[MAX_PATH];
int i, j, k;
int inquote = 0;
int argc = 0; int argc = 0;
char arg_buffer[4096]; char arg_buffer[4096];
char * argv[16] = {NULL}; char * argv[64] = {NULL};
Init_Win32(hInstance, hPrevInstance); Init_Win32(hInstance, hPrevInstance);
GetModuleFileName(NULL, ModuleFileName, MAX_PATH); if (GetModuleFileName(NULL, ModuleFileName, MAX_PATH) == 0)
GetShortPathName(ModuleFileName, ModuleShortFileName, MAX_PATH); {
argv[argc++] = arg_buffer; MessageBoxA(NULL, "Error initializing program", NULL, MB_OK | MB_ICONERROR);
for (i = 0; i < (int)sizeof(arg_buffer); i++) { return 1;
arg_buffer[i] = (char)ModuleShortFileName[i];
if (arg_buffer[i] == 0) break;
} }
// TODO : parse command line GetShortPathName(ModuleFileName, ShortFileName, MAX_PATH);
argv[argc++] = arg_buffer;
for (i = 0; i < (int)sizeof(arg_buffer); )
{
arg_buffer[i] = (char)ShortFileName[i];
if (arg_buffer[i++] == 0) break;
}
k = 0;
for (j = 0; pCmdLine[j] != 0 && k < MAX_PATH - 1; j++)
{
if (inquote)
{
if (pCmdLine[j] == '"')
{
inquote = 0;
continue;
}
}
else
{
if (pCmdLine[j] == '"')
{
inquote = 1;
continue;
}
if (pCmdLine[j] == ' ' || pCmdLine[j] == '\t')
{ // next argument
TmpArg[k++] = '\0';
argv[argc++] = arg_buffer + i;
if (GetShortPathName(TmpArg, ShortFileName, MAX_PATH) > 0)
{
for (k = 0; ShortFileName[k] != 0; k++)
arg_buffer[i++] = ShortFileName[k];
}
else
{
for (k = 0; TmpArg[k] != 0; k++)
arg_buffer[i++] = TmpArg[k];
}
arg_buffer[i++] = 0;
k = 0;
continue;
}
}
TmpArg[k++] = pCmdLine[j];
}
TmpArg[k] = '\0';
if (k > 0)
{
argv[argc++] = arg_buffer + i;
if (GetShortPathName(TmpArg, ShortFileName, MAX_PATH) > 0)
{
for (k = 0; ShortFileName[k] != 0; k++)
arg_buffer[i++] = ShortFileName[k];
}
else
{
for (k = 0; TmpArg[k] != 0; k++)
arg_buffer[i++] = TmpArg[k];
}
arg_buffer[i++] = 0;
}
// TODO : nCmdShow indicates if the window must be maximized, etc.
#endif #endif
if(!Init_program(argc,argv)) if(!Init_program(argc,argv))
{ {
Program_shutdown(); Program_shutdown();
return 0; return 0;
} }
Main_handler(); Main_handler();
Program_shutdown(); Program_shutdown();