mirror of
https://github.com/reactos/reactos.git
synced 2025-07-31 11:02:16 +00:00
[CMAKE]
- Sync with trunk head (r50270) - This also reverts r49298. svn path=/branches/cmake-bringup/; revision=50271
This commit is contained in:
commit
6c0c23cb53
482 changed files with 40346 additions and 24711 deletions
99
lib/sdk/crt/misc/i10output.c
Normal file
99
lib/sdk/crt/misc/i10output.c
Normal file
|
@ -0,0 +1,99 @@
|
|||
#include <precomp.h>
|
||||
|
||||
#define I10_OUTPUT_MAX_PREC 21
|
||||
/* Internal structure used by $I10_OUTPUT */
|
||||
struct _I10_OUTPUT_DATA {
|
||||
short pos;
|
||||
char sign;
|
||||
BYTE len;
|
||||
char str[I10_OUTPUT_MAX_PREC+1]; /* add space for '\0' */
|
||||
};
|
||||
|
||||
/*********************************************************************
|
||||
* $I10_OUTPUT (MSVCRT.@)
|
||||
* ld - long double to be printed to data
|
||||
* prec - precision of part, we're interested in
|
||||
* flag - 0 for first prec digits, 1 for fractional part
|
||||
* data - data to be populated
|
||||
*
|
||||
* return value
|
||||
* 0 if given double is NaN or INF
|
||||
* 1 otherwise
|
||||
*
|
||||
* FIXME
|
||||
* Native sets last byte of data->str to '0' or '9', I don't know what
|
||||
* it means. Current implementation sets it always to '0'.
|
||||
*/
|
||||
int CDECL MSVCRT_I10_OUTPUT(long double ld, int prec, int flag, struct _I10_OUTPUT_DATA *data)
|
||||
{
|
||||
static const char inf_str[] = "1#INF";
|
||||
static const char nan_str[] = "1#QNAN";
|
||||
|
||||
double d = ld;
|
||||
char format[8];
|
||||
char buf[I10_OUTPUT_MAX_PREC+9]; /* 9 = strlen("0.e+0000") + '\0' */
|
||||
char *p;
|
||||
|
||||
TRACE("(%lf %d %x %p)\n", d, prec, flag, data);
|
||||
|
||||
if(d<0) {
|
||||
data->sign = '-';
|
||||
d = -d;
|
||||
} else
|
||||
data->sign = ' ';
|
||||
|
||||
if(isinf(d)) {
|
||||
data->pos = 1;
|
||||
data->len = 5;
|
||||
memcpy(data->str, inf_str, sizeof(inf_str));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
if(isnan(d)) {
|
||||
data->pos = 1;
|
||||
data->len = 6;
|
||||
memcpy(data->str, nan_str, sizeof(nan_str));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
if(flag&1) {
|
||||
int exp = 1+floor(log10(d));
|
||||
|
||||
prec += exp;
|
||||
if(exp < 0)
|
||||
prec--;
|
||||
}
|
||||
prec--;
|
||||
|
||||
if(prec+1 > I10_OUTPUT_MAX_PREC)
|
||||
prec = I10_OUTPUT_MAX_PREC-1;
|
||||
else if(prec < 0) {
|
||||
d = 0.0;
|
||||
prec = 0;
|
||||
}
|
||||
|
||||
sprintf(format, "%%.%dle", prec);
|
||||
sprintf(buf, format, d);
|
||||
|
||||
buf[1] = buf[0];
|
||||
data->pos = atoi(buf+prec+3);
|
||||
if(buf[1] != '0')
|
||||
data->pos++;
|
||||
|
||||
for(p = buf+prec+1; p>buf+1 && *p=='0'; p--);
|
||||
data->len = p-buf;
|
||||
|
||||
memcpy(data->str, buf+1, data->len);
|
||||
data->str[data->len] = '\0';
|
||||
|
||||
if(buf[1]!='0' && prec-data->len+1>0)
|
||||
memcpy(data->str+data->len+1, buf+data->len+1, prec-data->len+1);
|
||||
|
||||
return 1;
|
||||
}
|
||||
#undef I10_OUTPUT_MAX_PREC
|
||||
|
||||
|
||||
|
|
@ -6,15 +6,6 @@ int __STRINGTOLD( long double *value, char **endptr, const char *str, int flags
|
|||
return 0;
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* $I10_OUTPUT (MSVCRT.@)
|
||||
* Function not really understood but needed to make the DLL work
|
||||
*/
|
||||
void MSVCRT_I10_OUTPUT(void)
|
||||
{
|
||||
/* FIXME: This is probably data, not a function */
|
||||
}
|
||||
|
||||
void __fileinfo(void)
|
||||
{
|
||||
FIXME("__fileinfo stub\n");
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue