include/SDL_main.h
author Sam Lantinga <slouken@libsdl.org>
Wed, 05 Jun 2013 21:23:59 -0700
changeset 7281 cd5516b9263d
parent 7191 75360622e65f
child 7335 13b67be8e3af
permissions -rw-r--r--
Added some extra protection to notify the developer if they haven't initialized the application properly.

This will help reduce issues like that reported in bug 1819:

Wouter van Oortmerssen 2013-04-23 20:12:07 EDT
#0 0x01d1e881 in __HALT ()
#1 0x01c58971 in _CFRuntimeCreateInstance ()
#2 0x02e4acc1 in GSFontCreateWithName ()
#3 0x00adc0e1 in UINewFont ()
#4 0x00adc24c in +[UIFont systemFontOfSize:traits:] ()
#5 0x00adc298 in +[UIFont systemFontOfSize:] ()
#6 0x009fb5d9 in +[UITextFieldLabel defaultFont] ()
#7 0x00a8ccd5 in -[UILabel _commonInit] ()
#8 0x00a8ce14 in -[UILabel initWithFrame:] ()
#9 0x00a052eb in -[UITextField createTextLabelWithTextColor:] ()
#10 0x009fbede in -[UITextField initWithFrame:] ()
#11 0x00152ead in -[SDL_uikitview initializeKeyboard] at /Users/aardappel/lobster/external/SDL-2.0.0-7046/Xcode-iOS/SDL/../../src/video/uikit/SDL_uikitview.m:208
#12 0x0015290c in -[SDL_uikitview initWithFrame:] at /Users/aardappel/lobster/external/SDL-2.0.0-7046/Xcode-iOS/SDL/../../src/video/uikit/SDL_uikitview.m:50
#13 0x00153b5b in -[SDL_uikitopenglview initWithFrame:scale:retainBacking:rBits:gBits:bBits:aBits:depthBits:stencilBits:majorVersion:] at /Users/aardappel/lobster/external/SDL-2.0.0-7046/Xcode-iOS/SDL/../../src/video/uikit/SDL_uikitopenglview.m:53
#14 0x001524ff in UIKit_GL_CreateContext at /Users/aardappel/lobster/external/SDL-2.0.0-7046/Xcode-iOS/SDL/../../src/video/uikit/SDL_uikitopengles.m:114
#15 0x0015078f in SDL_GL_CreateContext at /Users/aardappel/lobster/external/SDL-2.0.0-7046/Xcode-iOS/SDL/../../src/video/SDL_video.c:2666
#16 0x000d8c5c in SDLInit(char const*, vec<int, 2>&) at /Users/aardappel/lobster/dev/xcode/lobster/../../src/sdlsystem.cpp:193
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2013 Sam Lantinga <slouken@libsdl.org>
     4 
     5   This software is provided 'as-is', without any express or implied
     6   warranty.  In no event will the authors be held liable for any damages
     7   arising from the use of this software.
     8 
     9   Permission is granted to anyone to use this software for any purpose,
    10   including commercial applications, and to alter it and redistribute it
    11   freely, subject to the following restrictions:
    12 
    13   1. The origin of this software must not be misrepresented; you must not
    14      claim that you wrote the original software. If you use this software
    15      in a product, an acknowledgment in the product documentation would be
    16      appreciated but is not required.
    17   2. Altered source versions must be plainly marked as such, and must not be
    18      misrepresented as being the original software.
    19   3. This notice may not be removed or altered from any source distribution.
    20 */
    21 
    22 #ifndef _SDL_main_h
    23 #define _SDL_main_h
    24 
    25 #include "SDL_stdinc.h"
    26 
    27 /**
    28  *  \file SDL_main.h
    29  *
    30  *  Redefine main() on some platforms so that it is called by SDL.
    31  */
    32 
    33 #if defined(__WIN32__) || defined(__IPHONEOS__) || defined(__ANDROID__)
    34 #ifndef SDL_MAIN_HANDLED
    35 #define SDL_MAIN_NEEDED
    36 #endif
    37 #endif
    38 
    39 #ifdef __cplusplus
    40 #define C_LINKAGE   "C"
    41 #else
    42 #define C_LINKAGE
    43 #endif /* __cplusplus */
    44 
    45 /**
    46  *  \file SDL_main.h
    47  *
    48  *  The application's main() function must be called with C linkage,
    49  *  and should be declared like this:
    50  *  \code
    51  *  #ifdef __cplusplus
    52  *  extern "C"
    53  *  #endif
    54  *  int main(int argc, char *argv[])
    55  *  {
    56  *  }
    57  *  \endcode
    58  */
    59 
    60 #ifdef SDL_MAIN_NEEDED
    61 #define main    SDL_main
    62 #endif
    63 
    64 /**
    65  *  The prototype for the application's main() function
    66  */
    67 extern C_LINKAGE int SDL_main(int argc, char *argv[]);
    68 
    69 
    70 #include "begin_code.h"
    71 #ifdef __cplusplus
    72 extern "C" {
    73 #endif
    74 
    75 /*
    76  *  This is called by the real SDL main function to let the rest of the
    77  *  library know that initialization was done properly.
    78  *
    79  *  Calling this yourself without knowing what you're doing can cause
    80  *  crashes and hard to diagnose problems with your application.
    81  */
    82 extern DECLSPEC void SDL_SetMainReady(void);
    83 
    84 #ifdef __WIN32__
    85 
    86 /**
    87  *  This can be called to set the application class at startup
    88  */
    89 extern DECLSPEC int SDLCALL SDL_RegisterApp(char *name, Uint32 style,
    90                                             void *hInst);
    91 extern DECLSPEC void SDLCALL SDL_UnregisterApp(void);
    92 
    93 #endif /* __WIN32__ */
    94 
    95 
    96 #ifdef __cplusplus
    97 }
    98 #endif
    99 #include "close_code.h"
   100 
   101 #endif /* _SDL_main_h */
   102 
   103 /* vi: set ts=4 sw=4 expandtab: */