[MPlayer-dev-eng] [PATCH] add a limit

[D Richard Felker III]

On Tue, Mar 22, 2005 at 02:35:41AM +0000, adland wrote:
> small update  - add limit to whatever getenv returns
> 
> --- main/osdep/getch2.c	2004-04-05 17:33:08.000000000 -0400
> +++ updated/osdep/getch2.c	2005-03-21 21:08:36.000000000 -0500
> @@ -9,6 +9,7 @@
> 
> #define MAX_KEYS 64
> #define BUF_LEN 256
> +#define MP_TERM_MAXSIZE 80 
> 
> #include <stdio.h>
> #include <stdlib.h>
> @@ -78,9 +79,12 @@
> static int success=0;
> 
> int load_termcap(char *termtype){
> +  char mp_termtype[MP_TERM_MAXSIZE];
> if(!termtype) termtype=getenv("TERM");
> if(!termtype) termtype="unknown";
> -  success=tgetent(term_buffer, termtype);
> +  memset(mp_termtype,0,MP_TERM_MAXSIZE); // make sure string is terminated
> +  strncpy(mp_termtype,termtype,MP_TERM_MAXSIZE-1);
> +  success=tgetent(term_buffer, mp_termtype);
>    if(success<0){ printf("Could not access the 'termcap' data base.\n"); return
> 0; }
>    if(success==0){ printf("Terminal type `%s' is not defined.\n", termtype);ret
> urn 0;}

How is this patch at all useful?

Rich