Help passing D strings to C libs

2011-03-13 Thread Gene P. Cross
Hi, I'm fairly new to D and I'm writing a Space Invaders clone to get myself acquainted with the language. I'm having trouble passing D strings (char[]) to SDL, in particular SDL_LoadBMP(), I keep receiving a segfault. Heres the code: void setImg(string path) { // concat null terminating cha

Re: Help passing D strings to C libs

2011-03-13 Thread Gene P. Cross
toStringz is in D1 but still no luck, I still get the same error Thanks for the suggestion though

Re: Help passing D strings to C libs

2011-03-13 Thread Gene P. Cross
I've amended the source to pass the strings pointer (path.ptr) after adding a null but the problem still persists. I lost for what it could be and I'm certain this is where the problem is, because if I remove the method call, the program runs fine. I've noticed that calling SDL_LoadBMP and pass

Re: Help passing D strings to C libs

2011-03-13 Thread Gene P. Cross
-Daniel I tried what you said: char* ptr = toStringz(path); SDL_LoadBMP(ptr); and made a check to see if the pointer is null, which it isn't, but I'm unable to inspect is value, I haven't a debugger at the moment, could you recommend one ? I also made the string a char[] and tested to see if th

Re: Help passing D strings to C libs

2011-03-14 Thread Gene P. Cross
I found the problem. I've set up my 'main' file to act on various game states and because my load state is physically below the running state (where the problems were occuring), even though they were getting called first, the program starts in the loading state, dmd wasn't having it. I tried movi

Re: Help passing D strings to C libs

2011-03-14 Thread Gene P. Cross
Thanks for your help, and from here on in I'll be sure to initialise first thing. I'll look into GDB, thanks again.