From: Martell <crazy AT ne DOT infi DOT net>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: svga
Date: Wed, 07 Jun 2000 22:13:08 -0400
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To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

its probably just a warning, but it doesnt compile.  what can i do to tell
GCC to compile despite warnings?

Steamer wrote:

> Martell wrote:
>
> > im having trouble compile the following line:
> >
> > if (strncmp(vesa_info.VESASignature, "VESA", 4) != 0) return -1;
> >
> > i get the following error:
> >
> > passing 'unsigned char *' as argument 1 of 'strncmp(const char *, const char *, long
> > unsigned int)' changes signedness
>
> This is surely only a warning, not an error.
> You can fix it by using a cast:
>
> if (strncmp((char*)(vesa_info.VESASignature), "VESA", 4) != 0) return -1;