[GRASS-dev] [bug #5025] (grass) v.hull: empty if statement

[Glynn Clements]

Request Tracker wrote:

> this bug's URL: http://intevation.de/rt/webrt?serial_num=5025
> -------------------------------------------------------------------------
> 
> Subject: v.hull: empty if statement
> 
> grass obtained from: CVS
> grass binary for platform: Compiled from Sources
> 
> Hi,
> 
> compiling v.hull, I discovered:
> 
> [neteler at dandre v.hull]$ make
> ...
> main.c: In function ‘loadSiteCoordinates’:
> main.c:141: warning: empty body in an if-statement
> 
>             if ((pointIdx % ALLOC_CHUNK) == 0);
>                *points = (struct Point *) G_realloc(*points, (pointIdx + ALLOC_CHUNK) * sizeof(struct Point));
> 
> I don't know how to fix this.

Remove the semicolon; the above will be parsed as:

	if ((pointIdx % ALLOC_CHUNK) == 0)
		;
	*points = (struct Point *) G_realloc(*points, (pointIdx + ALLOC_CHUNK) * sizeof(struct Point));

A semicolon on its own is a valid statement which does nothing, hence
the "empty body" warning.

I've fixed this in CVS.

-- 
Glynn Clements <glynn at gclements.plus.com>