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copy number to numberf so people can bugfix it/rewrite it

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svn path=/trunk/; revision=22085
This commit is contained in:
Magnus Olsen 2006-05-28 05:59:33 +00:00
parent e73250fdc7
commit 1afe898112
2 changed files with 211 additions and 6 deletions
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108
reactos/lib/rtl/sprintf.c
View file

@ -180,6 +180,109 @@ number(char * buf, char * end, long long num, int base, int size, int precision,
return buf;
}
static char *
numberf(char * buf, char * end, double num, int base, int size, int precision, int type)
{
char c,sign,tmp[66];
const char *digits;
const char *small_digits = "0123456789abcdefghijklmnopqrstuvwxyz";
const char *large_digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
int i;
long long x;
/* FIXME
the float version of number is direcly copy of number
*/
digits = (type & LARGE) ? large_digits : small_digits;
if (type & LEFT)
type &= ~ZEROPAD;
if (base < 2 || base > 36)
return 0;
c = (type & ZEROPAD) ? '0' : ' ';
sign = 0;
if (type & SIGN) {
if (num < 0) {
sign = '-';
num = -num;
size--;
} else if (type & PLUS) {
sign = '+';
size--;
} else if (type & SPACE) {
sign = ' ';
size--;
}
}
if (type & SPECIAL) {
if (base == 16)
size -= 2;
else if (base == 8)
size--;
}
i = 0;
if (num == 0)
tmp[i++] = '0';
else while (num != 0)
{
x = num;
tmp[i++] = digits[do_div(&x,base)];
num=x;
}
if (i > precision)
precision = i;
size -= precision;
if (!(type&(ZEROPAD+LEFT))) {
while(size-->0) {
if (buf <= end)
*buf = ' ';
++buf;
}
}
if (sign) {
if (buf <= end)
*buf = sign;
++buf;
}
if (type & SPECIAL) {
if (base==8) {
if (buf <= end)
*buf = '0';
++buf;
} else if (base==16) {
if (buf <= end)
*buf = '0';
++buf;
if (buf <= end)
*buf = digits[33];
++buf;
}
}
if (!(type & LEFT)) {
while (size-- > 0) {
if (buf <= end)
*buf = c;
++buf;
}
}
while (i < precision--) {
if (buf <= end)
*buf = '0';
++buf;
}
while (i-- > 0) {
if (buf <= end)
*buf = tmp[i];
++buf;
}
while (size-- > 0) {
if (buf <= end)
*buf = ' ';
++buf;
}
return buf;
}
static char*
string(char* buf, char* end, const char* s, int len, int field_width, int precision, int flags)
{
@ -516,9 +619,8 @@ int _vsnprintf(char *buf, size_t cnt, const char *fmt, va_list args)
}
} else {
if ( precision == -1 )
precision = 6;
/* FIXME the float version of number */
str = number(str, end, (int)_double, base, field_width, precision, flags);
precision = 6;
str = numberf(str, end, (int)_double, base, field_width, precision, flags);
}
continue;

109
reactos/lib/rtl/swprintf.c
View file

@ -180,6 +180,110 @@ number(wchar_t * buf, wchar_t * end, long long num, int base, int size, int prec
return buf;
}
static wchar_t *
numberf(wchar_t * buf, wchar_t * end, double num, int base, int size, int precision, int type)
{
wchar_t c, sign, tmp[66];
const wchar_t *digits;
const wchar_t *small_digits = L"0123456789abcdefghijklmnopqrstuvwxyz";
const wchar_t *large_digits = L"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
int i;
long long x;
/* FIXME
the float version of number is direcly copy of number
*/
digits = (type & LARGE) ? large_digits : small_digits;
if (type & LEFT)
type &= ~ZEROPAD;
if (base < 2 || base > 36)
return 0;
c = (type & ZEROPAD) ? L'0' : L' ';
sign = 0;
if (type & SIGN) {
if (num < 0) {
sign = L'-';
num = -num;
size--;
} else if (type & PLUS) {
sign = L'+';
size--;
} else if (type & SPACE) {
sign = ' ';
size--;
}
}
if (type & SPECIAL) {
if (base == 16)
size -= 2;
else if (base == 8)
size--;
}
i = 0;
if (num == 0)
tmp[i++] = L'0';
else while (num != 0)
{
x = num;
tmp[i++] = digits[do_div(&x,base)];
num = x;
}
if (i > precision)
precision = i;
size -= precision;
if (!(type&(ZEROPAD+LEFT))) {
while(size-->0) {
if (buf <= end)
*buf = L' ';
++buf;
}
}
if (sign) {
if (buf <= end)
*buf = sign;
++buf;
}
if (type & SPECIAL) {
if (base==8) {
if (buf <= end)
*buf = L'0';
++buf;
} else if (base==16) {
if (buf <= end)
*buf = L'0';
++buf;
if (buf <= end)
*buf = digits[33];
++buf;
}
}
if (!(type & LEFT)) {
while (size-- > 0) {
if (buf <= end)
*buf = c;
++buf;
}
}
while (i < precision--) {
if (buf <= end)
*buf = L'0';
++buf;
}
while (i-- > 0) {
if (buf <= end)
*buf = tmp[i];
++buf;
}
while (size-- > 0) {
if (buf <= end)
*buf = L' ';
++buf;
}
return buf;
}
static wchar_t*
string(wchar_t* buf, wchar_t* end, const char* s, int len, int field_width, int precision, int flags)
{
@ -514,9 +618,8 @@ int _vsnwprintf(wchar_t *buf, size_t cnt, const wchar_t *fmt, va_list args)
}
} else {
if ( precision == -1 )
precision = 6;
/* FIXME the float version of number */
str = number(str, end, (int)_double, base, field_width, precision, flags);
precision = 6;
str = numberf(str, end, _double, base, field_width, precision, flags);
}
continue;