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avoid integer overflow for usleep() arg

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albert 2006-06-17 04:52:42 +00:00
parent 5c591b836f
commit d4a9781d4a
2 changed files with 5 additions and 2 deletions
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1
NEWS
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@ -4,6 +4,7 @@ top: document H option -- thanks Tony Ernst
top: terabytes -- thanks Tony Ernst top: terabytes -- thanks Tony Ernst
ps: SCHED_BATCH is B ps: SCHED_BATCH is B
ps: fix s format (signals) output with thread display ps: fix s format (signals) output with thread display
watch: avoid integer overflow for the time delay
procps-3.2.5 --> procps-3.2.6 procps-3.2.5 --> procps-3.2.6

6
watch.c
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@ -141,7 +141,7 @@ main(int argc, char *argv[])
int option_differences = 0, int option_differences = 0,
option_differences_cumulative = 0, option_differences_cumulative = 0,
option_help = 0, option_version = 0; option_help = 0, option_version = 0;
float interval = 2; double interval = 2;
char *command; char *command;
int command_length = 0; /* not including final \0 */ int command_length = 0; /* not including final \0 */
@ -165,11 +165,13 @@ main(int argc, char *argv[])
case 'n': case 'n':
{ {
char *str; char *str;
interval = strtof(optarg, &str); interval = strtod(optarg, &str);
if (!*optarg || *str) if (!*optarg || *str)
do_usage(); do_usage();
if(interval < 0.1) if(interval < 0.1)
interval = 0.1; interval = 0.1;
if(interval > ~0u/1000000)
interval = ~0u/1000000;
} }
break; break;
case 'v': case 'v':