denozord/strongswan-ext
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

printf-hook-builtin: Correctly round up floating point values

Browse Source
This commit is contained in:
Martin Willi
2013-10-11 11:06:09 +02:00
parent edc7a3d02f
commit 8af9bf70f5
2 changed files with 43 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/libstrongswan/utils/printf_hook/printf_hook_builtin.c
+15 -1
View File
@@ -500,6 +500,14 @@ static size_t format_double(char *q, size_t n, double val, bpf_flag_t flags,
oo = o;
tmpval = (uintmax_t)fabs(val);
if (!prec)
{
/* round up if no additional digits */
if (fabs(val) - tmpval >= 0.5)
{
tmpval++;
}
}
while (ndigits > 0)
{
qq--;
@@ -521,9 +529,14 @@ static size_t format_double(char *q, size_t n, double val, bpf_flag_t flags,
qq = q;
oo = o;
tmpval = (uintmax_t)(fabs(val) * pow(base, prec));
/* round up if required */
if (fabs(val) * pow(base, prec) - tmpval >= 0.5)
{
tmpval++;
}
while (prec > 0)
{
tmpval = (uintmax_t)(fabs(val) * pow(base, prec));
qq--;
oo--;
prec--;
@@ -531,6 +544,7 @@ static size_t format_double(char *q, size_t n, double val, bpf_flag_t flags,
{
*qq = digits[tmpval % base];
}
tmpval /= base;
}
}