From: "Damian Yerrick" <NOSP AT Msnews@pineight.8m.com>
Newsgroups: comp.os.msdos.djgpp
References: <386FBA6E DOT CFA57AE8 AT pepparkakor DOT demon DOT nl>
Subject: Re: What is wrong?
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Organization: Pin Eight Software <http://pineight.8m.com/>
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NNTP-Posting-Date: Sun, 02 Jan 2000 22:42:57 GMT
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Date: Sun, 02 Jan 2000 22:42:57 GMT
To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com


"Roger" <roger AT pepparkakor DOT demon DOT nl> wrote:
>
> When I try this little program,my computer make a reboot,and that is not
> what I like,so please,what is wrong?
>
> #include <time.h>
> #include <stdlib.h>
> #include <stdio.h>
>
> #include "allegro.h"

If you installed Allegro properly (make install),
allegro.h should be in your standard C include folder.
#include <allegro.h>

> SAMPLE *det;
>
> int main() {
> allegro_init();
> install_timer();
> install_sound(DIGI_AUTODETECT,MIDI_AUTODETECT,0);

On a few computers, Allegro 3.12's install_sound()
crashed on me when it was trying to guess the chipset.
Try running Allegro Setup first.

> det=load_wav("applouse.wave");

Are you checking if(det == NULL)?
If you misspell the file name, it won't load the wave,
and you'll get a NULL pointer.

> play_sample(det,255,127,9000,-1);

And if you try to play a NULL pointer under Windows 9x,
unpredictable results may occur. (Under straight DOS with
CWSDPMI, it's predictable that your program will segfault
gracefully.)

> }


--
Damian Yerrick    http://yerricde.tripod.com/
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