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check limits on cols and rows before doing calculations based upon them.

This commit is contained in:
lindes 2001-08-25 05:07:41 +00:00
parent 2d22776259
commit 04b478f7b2
1 changed files with 8 additions and 8 deletions
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16
ttyload.c
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@ -6,7 +6,7 @@
* Copyright 1996 by David Lindes
* all right reserved.
*
* Version information: $Id: ttyload.c,v 1.18 2001-08-25 03:18:26 lindes Exp $
* Version information: $Id: ttyload.c,v 1.19 2001-08-25 05:07:41 lindes Exp $
*
*/
@ -32,7 +32,7 @@
#define MINROWS (HEIGHTPAD + 6)
#define MINCOLS (WIDTHPAD + 6)
char *c="$Id: ttyload.c,v 1.18 2001-08-25 03:18:26 lindes Exp $";
char *c="$Id: ttyload.c,v 1.19 2001-08-25 05:07:41 lindes Exp $";
char strbuf[BUFSIZ],
*optstring = "i:hvmr:c:",
@ -174,12 +174,6 @@ int main(argc, argv, envp)
}
}
intsecs = MAX(1, intsecs); /* must be positive */
height = rows - HEIGHTPAD;
width = cols - WIDTHPAD;
clocks = MAX(width/intsecs, width/CLOCKWIDTH);
clockpad = (width / clocks) - CLOCKWIDTH;
if(rows < MINROWS)
{
fprintf(stderr, "Sorry, %s requires at least %d rows to run.\n",
@ -193,6 +187,12 @@ int main(argc, argv, envp)
exit(1);
}
intsecs = MAX(1, intsecs); /* must be positive */
height = rows - HEIGHTPAD;
width = cols - WIDTHPAD;
clocks = MAX(width/intsecs, width/CLOCKWIDTH);
clockpad = (width / clocks) - CLOCKWIDTH;
loadavgs = (load_list *)calloc(width, sizeof(load_list));
theclocks = (clock_info *)calloc(clocks, sizeof(clock_info));