From:	"Marp" <Marp AT 0 DOT 0 DOT 0 DOT 0>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: SIGSEGV - oh how we love you
Date:	Sun, 14 Nov 1999 21:35:33 -0500
Organization:	MindSpring Enterprises
Lines:	43
Message-ID:	<80nrhs$qao$1@nntp9.atl.mindspring.net>
References:	<382f603a AT news DOT cadvision DOT com>
NNTP-Posting-Host:	c7.b7.cf.27
X-Server-Date:	15 Nov 1999 02:35:40 GMT
X-Priority:	3
X-MSMail-Priority:	Normal
X-Newsreader:	Microsoft Outlook Express 5.00.2314.1300
X-MimeOLE:	Produced By Microsoft MimeOLE V5.00.2314.1300
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

Did you remember to call allegro_init() and install_keyboard() (in that
order) at the start of your program?

The Advisor <TheAdvisor AT cadvision DOT com> wrote in message
news:382f603a AT news DOT cadvision DOT com...
> From The Advisor- TheAdvisor AT cadvision DOT com ...
>
> Can anybody help me figure out why I'm getting a SIGSEGV?
>
> Okay here's a snippet of my program: ( this is in a loop to constantly get
> keys from the user and store them in a linked list... )
>    int ch;
>    ch = readkey();
>    switch(ch >> 8) {
>        case KEY_ENTER: { printf("\n"); break; }
>        default: { if(((ch & 0xff) >= 32) && ((ch2 & 0xff) <= 255))
>  printf("%c", (ch & 0xff)); }
>       }
>
> Shutting down Allegro
> Exiting due to signal SIGSEGV
>
> General Protection Fault at eip=00001796
> eax=ffffffff ebx=00008454 ecx=000ca7a4 edx=000ca790 esi=00000054
> edi=0004a370
> ebp=000ca300 esp=000ca2e8 program=D:\PROGRAMS\CEDIT\TEST\CHARTEST.EXE
> cs: sel=00a7  base=84547000  limit=fed80fff
> ds: sel=00af  base=84547000  limit=fed80fff
> es: sel=00af  base=84547000  limit=fed80fff
> fs: sel=00c7  base=00000000  limit=0010ffff
> gs: sel=00c7  base=00000000  limit=0010ffff
> ss: sel=00af  base=84547000  limit=fed80fff
> App stack: [000ca370..0004a370]  Exceptn stack: [0004a250..00048310]
>
> Call frame traceback EIPs:
>   0x00001796
>   0x00001f44
>   0x000285ae
>
>
>

- Raw text -