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2004/08/24 11:54:13-07:00 osdl.net!shemminger
Fix calculation of percent to u32 scaling.

(Logical change 1.72)
This commit is contained in:
osdl.net!shemminger 2004-08-24 18:54:49 +00:00
parent c76f457eca
commit 25f869096f
1 changed files with 5 additions and 5 deletions
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10
tc/tc_util.c
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@ -331,25 +331,25 @@ char * sprint_size(__u32 size, char *buf)
return buf; return buf;
} }
static double percent_scale = (double)(1ull << 32) / 100.; static const double max_percent_value = 0xffffffff;
int get_percent(__u32 *percent, const char *str) int get_percent(__u32 *percent, const char *str)
{ {
char *p; char *p;
double per = strtod(str, &p); double per = strtod(str, &p) / 100.;
if (per > 100.) if (per > 1. || per < 0)
return -1; return -1;
if (*p && strcmp(p, "%")) if (*p && strcmp(p, "%"))
return -1; return -1;
*percent = per * percent_scale; *percent = (unsigned) rint(per * max_percent_value);
return 0; return 0;
} }
void print_percent(char *buf, int len, __u32 per) void print_percent(char *buf, int len, __u32 per)
{ {
snprintf(buf, len, "%g%%", (double) per / percent_scale); snprintf(buf, len, "%g%%", 100. * (double) per / max_percent_value);
} }
char * sprint_percent(__u32 per, char *buf) char * sprint_percent(__u32 per, char *buf)