mirror of
https://github.com/dhewm/dhewm3.git
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Add SDL_win32_main.c
Don't link against SDLmain.[a|lib], always compile it. We can use pure C MinGW cross compiled libraries with MSVC, and this is the only static library used.
This commit is contained in:
dhewg
parent
eb2ecfa22a
commit
47e486b62a
2 changed files with 403 additions and 0 deletions
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@ -667,6 +667,7 @@ elseif (WIN32)
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sys/win32/win_net.cpp
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sys/win32/win_net.cpp
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sys/win32/win_shared.cpp
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sys/win32/win_shared.cpp
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sys/win32/win_syscon.cpp
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sys/win32/win_syscon.cpp
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sys/win32/SDL_win32_main.c
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)
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)
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set(src_sys_core
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set(src_sys_core
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402
neo/sys/win32/SDL_win32_main.c
Normal file
402
neo/sys/win32/SDL_win32_main.c
Normal file
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@ -0,0 +1,402 @@
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/*
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SDL_main.c, placed in the public domain by Sam Lantinga 4/13/98
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The WinMain function -- calls your program's main() function
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#ifdef _WIN32_WCE
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# define DIR_SEPERATOR TEXT("\\")
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# undef _getcwd
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# define _getcwd(str,len) wcscpy(str,TEXT(""))
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# define setbuf(f,b)
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# define setvbuf(w,x,y,z)
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# define fopen _wfopen
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# define freopen _wfreopen
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# define remove(x) DeleteFile(x)
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#else
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# define DIR_SEPERATOR TEXT("/")
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# include <direct.h>
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#endif
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/* Include the SDL main definition header */
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#include "SDL.h"
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#include "SDL_main.h"
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#ifdef main
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# ifndef _WIN32_WCE_EMULATION
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# undef main
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# endif /* _WIN32_WCE_EMULATION */
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#endif /* main */
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/* The standard output files */
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#define STDOUT_FILE TEXT("stdout.txt")
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#define STDERR_FILE TEXT("stderr.txt")
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/* Set a variable to tell if the stdio redirect has been enabled. */
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static int stdioRedirectEnabled = 0;
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#ifdef _WIN32_WCE
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static wchar_t stdoutPath[MAX_PATH];
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static wchar_t stderrPath[MAX_PATH];
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#else
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static char stdoutPath[MAX_PATH];
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static char stderrPath[MAX_PATH];
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#endif
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#if defined(_WIN32_WCE) && _WIN32_WCE < 300
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/* seems to be undefined in Win CE although in online help */
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#define isspace(a) (((CHAR)a == ' ') || ((CHAR)a == '\t'))
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#endif /* _WIN32_WCE < 300 */
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static void UnEscapeQuotes( char *arg )
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{
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char *last = NULL;
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while( *arg ) {
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if( *arg == '"' && *last == '\\' ) {
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char *c_curr = arg;
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char *c_last = last;
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while( *c_curr ) {
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*c_last = *c_curr;
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c_last = c_curr;
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c_curr++;
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}
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*c_last = '\0';
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}
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last = arg;
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arg++;
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}
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}
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/* Parse a command line buffer into arguments */
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static int ParseCommandLine(char *cmdline, char **argv)
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{
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char *bufp;
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char *lastp = NULL;
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int argc, last_argc;
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argc = last_argc = 0;
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for ( bufp = cmdline; *bufp; ) {
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/* Skip leading whitespace */
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while ( isspace(*bufp) ) {
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++bufp;
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}
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/* Skip over argument */
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if ( *bufp == '"' ) {
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++bufp;
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if ( *bufp ) {
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if ( argv ) {
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argv[argc] = bufp;
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}
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++argc;
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}
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/* Skip over word */
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while ( *bufp && ( *bufp != '"' || *lastp == '\\' ) ) {
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lastp = bufp;
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++bufp;
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}
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} else {
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if ( *bufp ) {
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if ( argv ) {
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argv[argc] = bufp;
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}
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++argc;
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}
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/* Skip over word */
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while ( *bufp && ! isspace(*bufp) ) {
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++bufp;
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}
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}
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if ( *bufp ) {
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if ( argv ) {
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*bufp = '\0';
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}
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++bufp;
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}
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/* Strip out \ from \" sequences */
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if( argv && last_argc != argc ) {
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UnEscapeQuotes( argv[last_argc] );
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}
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last_argc = argc;
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}
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if ( argv ) {
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argv[argc] = NULL;
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}
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return(argc);
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}
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/* Show an error message */
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static void ShowError(const char *title, const char *message)
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{
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/* If USE_MESSAGEBOX is defined, you need to link with user32.lib */
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#ifdef USE_MESSAGEBOX
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MessageBox(NULL, message, title, MB_ICONEXCLAMATION|MB_OK);
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#else
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fprintf(stderr, "%s: %s\n", title, message);
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#endif
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}
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/* Pop up an out of memory message, returns to Windows */
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static BOOL OutOfMemory(void)
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{
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ShowError("Fatal Error", "Out of memory - aborting");
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return FALSE;
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}
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/* SDL_Quit() shouldn't be used with atexit() directly because
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calling conventions may differ... */
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static void cleanup(void)
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{
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SDL_Quit();
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}
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/* Remove the output files if there was no output written */
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static void cleanup_output(void) {
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FILE *file;
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int empty;
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/* Flush the output in case anything is queued */
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fclose(stdout);
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fclose(stderr);
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/* Without redirection we're done */
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if (!stdioRedirectEnabled) {
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return;
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}
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/* See if the files have any output in them */
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if ( stdoutPath[0] ) {
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file = fopen(stdoutPath, TEXT("rb"));
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if ( file ) {
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empty = (fgetc(file) == EOF) ? 1 : 0;
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fclose(file);
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if ( empty ) {
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remove(stdoutPath);
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}
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}
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}
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if ( stderrPath[0] ) {
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file = fopen(stderrPath, TEXT("rb"));
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if ( file ) {
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empty = (fgetc(file) == EOF) ? 1 : 0;
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fclose(file);
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if ( empty ) {
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remove(stderrPath);
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}
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}
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}
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}
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/* Redirect the output (stdout and stderr) to a file */
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static void redirect_output(void)
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{
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DWORD pathlen;
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#ifdef _WIN32_WCE
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wchar_t path[MAX_PATH];
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#else
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char path[MAX_PATH];
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#endif
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FILE *newfp;
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pathlen = GetModuleFileName(NULL, path, SDL_arraysize(path));
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while ( pathlen > 0 && path[pathlen] != '\\' ) {
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--pathlen;
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}
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path[pathlen] = '\0';
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#ifdef _WIN32_WCE
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wcsncpy( stdoutPath, path, SDL_arraysize(stdoutPath) );
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wcsncat( stdoutPath, DIR_SEPERATOR STDOUT_FILE, SDL_arraysize(stdoutPath) );
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#else
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SDL_strlcpy( stdoutPath, path, SDL_arraysize(stdoutPath) );
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SDL_strlcat( stdoutPath, DIR_SEPERATOR STDOUT_FILE, SDL_arraysize(stdoutPath) );
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#endif
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/* Redirect standard input and standard output */
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newfp = freopen(stdoutPath, TEXT("w"), stdout);
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#ifndef _WIN32_WCE
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if ( newfp == NULL ) { /* This happens on NT */
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#if !defined(stdout)
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stdout = fopen(stdoutPath, TEXT("w"));
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#else
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newfp = fopen(stdoutPath, TEXT("w"));
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if ( newfp ) {
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*stdout = *newfp;
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}
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#endif
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}
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#endif /* _WIN32_WCE */
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#ifdef _WIN32_WCE
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wcsncpy( stderrPath, path, SDL_arraysize(stdoutPath) );
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wcsncat( stderrPath, DIR_SEPERATOR STDOUT_FILE, SDL_arraysize(stdoutPath) );
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#else
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SDL_strlcpy( stderrPath, path, SDL_arraysize(stderrPath) );
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SDL_strlcat( stderrPath, DIR_SEPERATOR STDERR_FILE, SDL_arraysize(stderrPath) );
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#endif
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newfp = freopen(stderrPath, TEXT("w"), stderr);
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#ifndef _WIN32_WCE
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if ( newfp == NULL ) { /* This happens on NT */
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#if !defined(stderr)
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stderr = fopen(stderrPath, TEXT("w"));
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#else
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newfp = fopen(stderrPath, TEXT("w"));
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if ( newfp ) {
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*stderr = *newfp;
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}
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#endif
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}
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#endif /* _WIN32_WCE */
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setvbuf(stdout, NULL, _IOLBF, BUFSIZ); /* Line buffered */
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setbuf(stderr, NULL); /* No buffering */
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stdioRedirectEnabled = 1;
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}
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#if defined(_MSC_VER) && !defined(_WIN32_WCE)
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/* The VC++ compiler needs main defined */
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#define console_main main
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#endif
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/* This is where execution begins [console apps] */
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int console_main(int argc, char *argv[])
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{
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size_t n;
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char *bufp, *appname;
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int status;
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/* Get the class name from argv[0] */
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appname = argv[0];
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if ( (bufp=SDL_strrchr(argv[0], '\\')) != NULL ) {
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appname = bufp+1;
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} else
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if ( (bufp=SDL_strrchr(argv[0], '/')) != NULL ) {
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appname = bufp+1;
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}
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if ( (bufp=SDL_strrchr(appname, '.')) == NULL )
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n = SDL_strlen(appname);
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else
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n = (bufp-appname);
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bufp = SDL_stack_alloc(char, n+1);
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if ( bufp == NULL ) {
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return OutOfMemory();
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}
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SDL_strlcpy(bufp, appname, n+1);
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appname = bufp;
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/* Load SDL dynamic link library */
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if ( SDL_Init(SDL_INIT_NOPARACHUTE) < 0 ) {
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ShowError("WinMain() error", SDL_GetError());
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return(FALSE);
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}
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atexit(cleanup_output);
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atexit(cleanup);
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/* Sam:
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We still need to pass in the application handle so that
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DirectInput will initialize properly when SDL_RegisterApp()
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is called later in the video initialization.
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*/
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SDL_SetModuleHandle(GetModuleHandle(NULL));
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/* Run the application main() code */
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status = SDL_main(argc, argv);
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/* Exit cleanly, calling atexit() functions */
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exit(status);
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/* Hush little compiler, don't you cry... */
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return 0;
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}
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/* This is where execution begins [windowed apps] */
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#ifdef _WIN32_WCE
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int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPWSTR szCmdLine, int sw)
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#else
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int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR szCmdLine, int sw)
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#endif
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{
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HINSTANCE handle;
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char **argv;
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int argc;
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char *cmdline;
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char *env_str;
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#ifdef _WIN32_WCE
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wchar_t *bufp;
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int nLen;
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#else
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char *bufp;
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size_t nLen;
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#endif
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/* Start up DDHELP.EXE before opening any files, so DDHELP doesn't
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keep them open. This is a hack.. hopefully it will be fixed
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someday. DDHELP.EXE starts up the first time DDRAW.DLL is loaded.
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*/
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handle = LoadLibrary(TEXT("DDRAW.DLL"));
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if ( handle != NULL ) {
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FreeLibrary(handle);
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}
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/* Check for stdio redirect settings and do the redirection */
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if ((env_str = SDL_getenv("SDL_STDIO_REDIRECT"))) {
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if (SDL_atoi(env_str)) {
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redirect_output();
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}
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}
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#ifndef NO_STDIO_REDIRECT
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else {
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redirect_output();
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}
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#endif
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#ifdef _WIN32_WCE
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nLen = wcslen(szCmdLine)+128+1;
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bufp = SDL_stack_alloc(wchar_t, nLen*2);
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wcscpy (bufp, TEXT("\""));
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GetModuleFileName(NULL, bufp+1, 128-3);
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wcscpy (bufp+wcslen(bufp), TEXT("\" "));
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wcsncpy(bufp+wcslen(bufp), szCmdLine,nLen-wcslen(bufp));
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nLen = wcslen(bufp)+1;
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cmdline = SDL_stack_alloc(char, nLen);
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if ( cmdline == NULL ) {
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return OutOfMemory();
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}
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WideCharToMultiByte(CP_ACP, 0, bufp, -1, cmdline, nLen, NULL, NULL);
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#else
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/* Grab the command line */
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bufp = GetCommandLine();
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nLen = SDL_strlen(bufp)+1;
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cmdline = SDL_stack_alloc(char, nLen);
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if ( cmdline == NULL ) {
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return OutOfMemory();
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}
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SDL_strlcpy(cmdline, bufp, nLen);
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#endif
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/* Parse it into argv and argc */
|
||||||
|
argc = ParseCommandLine(cmdline, NULL);
|
||||||
|
argv = SDL_stack_alloc(char*, argc+1);
|
||||||
|
if ( argv == NULL ) {
|
||||||
|
return OutOfMemory();
|
||||||
|
}
|
||||||
|
ParseCommandLine(cmdline, argv);
|
||||||
|
|
||||||
|
/* Run the main program (after a little SDL initialization) */
|
||||||
|
console_main(argc, argv);
|
||||||
|
|
||||||
|
/* Hush little compiler, don't you cry... */
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue