[PATCH V3] parsers.c: avoid implicit conversion loses integer precision warnings

[Yuya Nishihara]

On Tue, 18 Aug 2015 20:52:38 +0200, André Sintzoff wrote:
> # HG changeset patch
> # User André Sintzoff <andre.sintzoff at gmail.com>
> # Date 1439902654 -7200
> #      Tue Aug 18 14:57:34 2015 +0200
> # Node ID ae1dbf8a309b47660abbce73b4a7351518ffe433
> # Parent  9e7d805925c87cfa0ca30819e8273ac37fd77a62
> parsers.c: avoid implicit conversion loses integer precision warnings
> 
> These warnings are raised by Apple LLVM version 6.1.0 (clang-602.0.53)
> (based on LLVM 3.6.0svn) and were introduced in ff89383a97db
> 
> diff -r 9e7d805925c8 -r ae1dbf8a309b mercurial/parsers.c
> --- a/mercurial/parsers.c	Fri Aug 14 12:36:41 2015 +0900
> +++ b/mercurial/parsers.c	Tue Aug 18 14:57:34 2015 +0200
> @@ -1125,13 +1125,13 @@
>  	Py_ssize_t k;
>  	Py_ssize_t i;
>  	int r;
> -	int minidx;
> +	long minidx;
>  	int parents[2];
>  
>  	/* Internal data structure:
>  	 * tovisit: array of length len+1 (all revs + nullrev), filled upto lentovisit
>  	 * seen: array of length len+1 (all revs + nullrev) 0: not seen, 1 seen*/
> -	int *tovisit = NULL;
> +	long *tovisit = NULL;
>  	long lentovisit = 0;
>  	char *seen = NULL;
>  
> @@ -1151,7 +1151,7 @@
>  	}
>  
>  	/* Initialize internal datastructures */
> -	tovisit = (int *)malloc((len + 1) * sizeof(int));
> +	tovisit = (long *)malloc((len + 1) * sizeof(long));

This doubles the size of big tovisit array. tovisit can be an array of int
because it only keeps valid revisions.