Index: user/boottools/flashloader.c
===================================================================
RCS file: /cvs/sw/new-wave/user/boottools/flashloader.c,v
retrieving revision 1.2
diff -c -r1.2 flashloader.c
*** user/boottools/flashloader.c	20 Aug 2001 06:38:58 -0000	1.2
--- user/boottools/flashloader.c	27 Jun 2002 21:54:36 -0000
***************
*** 7,13 ****
  
  _bsc2(int,program,void *,a1,int,a2)
  
! void *chain[128];
  
  char spinner[] = { 8, '|' , 8, '\\' , 8, '-', 8, '/'};
  
--- 7,15 ----
  
  _bsc2(int,program,void *,a1,int,a2)
  
! #define MAX_CHAIN_LEN 512
! 
! void *chain[MAX_CHAIN_LEN];
  
  char spinner[] = { 8, '|' , 8, '\\' , 8, '-', 8, '/'};
  
***************
*** 35,40 ****
--- 37,46 ----
  		chain[b] = malloc(4096);
  		n = read(fd, chain[b++], 4096);
  		write(1, &spinner[(b & 3) << 1], 2);
+ 		if (b >= MAX_CHAIN_LEN) {
+ 			printf("%s: file [%s] too large to load\n",argv[0], argv[1]);
+ 			exit(3);
+ 		}
  	}
  	printf("Loaded %d bytes\n",count);