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Don't crash if more than 128 modes are available

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This commit is contained in:
Simon McVittie 2014-10-01 09:35:49 +01:00
parent 8469c40c2b
commit df7dab721f
1 changed files with 12 additions and 2 deletions
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14
code/sdl/sdl_glimp.c
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@ -130,7 +130,8 @@ static void GLimp_DetectAvailableModes(void)
{
int i, j;
char buf[ MAX_STRING_CHARS ] = { 0 };
SDL_Rect modes[ 128 ];
size_t numSDLModes;
SDL_Rect *modes;
int numModes = 0;
int display = SDL_GetWindowDisplayIndex( SDL_window );
@ -142,7 +143,14 @@ static void GLimp_DetectAvailableModes(void)
return;
}
for( i = 0; i < SDL_GetNumDisplayModes( display ); i++ )
numSDLModes = SDL_GetNumDisplayModes( display );
modes = SDL_calloc( numSDLModes, sizeof( SDL_Rect ));
if ( !modes )
{
ri.Error( ERR_FATAL, "Out of memory\n" );
}
for( i = 0; i < numSDLModes; i++ )
{
SDL_DisplayMode mode;
@ -152,6 +160,7 @@ static void GLimp_DetectAvailableModes(void)
if( !mode.w || !mode.h )
{
ri.Printf( PRINT_ALL, "Display supports any resolution\n" );
SDL_free( modes );
return;
}
@ -193,6 +202,7 @@ static void GLimp_DetectAvailableModes(void)
ri.Printf( PRINT_ALL, "Available modes: '%s'\n", buf );
ri.Cvar_Set( "r_availableModes", buf );
}
SDL_free( modes );
}
/*