ostream& ostream::operator<<(unsigned int n)
{
char obuffer[12];
char fmt[4] = "%u";
char leader[4] = "\0\0";
if (opfx())
{
if (n)
{
if (x_flags & (hex|oct))
{
if (x_flags & hex)
{
if (x_flags & uppercase)
fmt[1] = 'X';
else
fmt[1] = 'x';
leader[1] = fmt[1]; // 0x or 0X (or \0X)
}
else
fmt[1] = 'o';
if (x_flags & showbase)
leader[0] = '0';
}
else if (x_flags & showpos)
{
leader[0] = '+';
}
}
sprintf(obuffer,fmt,n);
writepad(leader,obuffer);
osfx();
}
return *this;
}
ostream& ostream::operator<<(short n)
{
char obuffer[8]; // assumes max int is 65535
char fmt[4] = "%hd";
char leader[4] = "\0\0";
if (opfx())
{
if (n)
{
if (x_flags & (hex|oct))
{
if (x_flags & hex)
{
if (x_flags & uppercase)
fmt[2] = 'X';
else
fmt[2] = 'x';
leader[1] = fmt[2]; // 0x or 0X (or \0X)
}
else
fmt[2] = 'o';
if (x_flags & showbase)
leader[0] = '0';
}
else if ((n>0) && (x_flags & showpos))
{
leader[0] = '+';
}
}
sprintf(obuffer,fmt,n);
writepad(leader,obuffer);
osfx();
}
return *this;
}
ostream& ostream::operator<<(long double f)
{
_WINSTATIC char obuffer[28];
_WINSTATIC char fmt[12];
_WINSTATIC char leader[4];
char * optr = obuffer;
int x = 0;
unsigned int curprecision = __min((unsigned)x_precision,LDBL_DIG);
if (opfx()) {
if (x_flags & ios::showpos)
leader[x++] = '+';
if (x_flags & ios::showpoint)
leader[x++] = '#'; // show decimal and trailing zeros
leader[x] = '\0';
x = sprintf(fmt,"%%%s.%.0uLg",leader,curprecision) - 1;
if ((x_flags & ios::floatfield)==ios::fixed)
fmt[x] = 'f';
else
{
if ((x_flags & ios::floatfield)==ios::scientific)
fmt[x] = 'e';
if (x_flags & uppercase)
fmt[x] = (char)toupper(fmt[x]);
}
sprintf(optr,fmt,f);
x = 0;
if (*optr=='+' || *optr=='-')
leader[x++] = *(optr++);
leader[x] = '\0';
writepad(leader,optr);
osfx();
}
return *this;
}
ostream& ostream::operator<<(const char * s)
{
if (opfx())
{
writepad("",s);
osfx();
}
return *this;
}
ostream& ostream::operator<<(const void * ptr)
{
char obuffer[12];
char fmt[4] = "%p";
char leader[4] = "0x";
if (opfx())
{
if (ptr)
{
if (x_flags & uppercase)
leader[1] = 'X';
}
sprintf(obuffer,fmt,ptr);
writepad(leader,obuffer);
osfx();
}
return *this;
}
ostream& ostream::operator<<(double f)
{
char obuffer[24];
char fmt[8];
char leader[4];
char * optr = obuffer;
int x = 0;
// x_floatused nonzero indicates called for float, not double
unsigned int curprecision = (x_floatused) ? FLT_DIG : DBL_DIG;
x_floatused = 0; // reset for next call
curprecision = __min((unsigned)x_precision,curprecision);
if (opfx())
{
if (x_flags & ios::showpos)
leader[x++] = '+';
if (x_flags & ios::showpoint)
leader[x++] = '#'; // show decimal and trailing zeros
leader[x] = '\0';
x = sprintf(fmt,"%%%s.%.0ug",leader,curprecision) - 1;
if ((x_flags & ios::floatfield)==ios::fixed)
fmt[x] = 'f';
else
{
if ((x_flags & ios::floatfield)==ios::scientific)
fmt[x] = 'e';
if (x_flags & uppercase)
fmt[x] = (char)toupper(fmt[x]);
}
sprintf(optr,fmt,f);
x = 0;
if (*optr=='+' || *optr=='-')
leader[x++] = *(optr++);
leader[x] = '\0';
writepad(leader,optr);
osfx();
}
return *this;
}
ostream& ostream::operator<<(unsigned char c)
{
if (opfx())
{
if (x_width)
{
char outc[2];
outc[0] = c;
outc[1] = '\0';
writepad("",outc);
}
else if (bp->sputc(c)==EOF)
{
if (bp->overflow(c)==EOF)
state |= (badbit|failbit); // fatal error?
}
osfx();
}
return *this;
}