std_put.c
Click here to get the file
Size
1.6 kB
-
File type
text/plain
File contents
/*ident "@(#) @(#)std_put.c 1.1.1.2" */
/******************************************************************************
*
* C++ Standard Library
*
* Copyright (c) 1996 Lucent Technologies. All Rights Reserved.
*
* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF Lucent Technologies.
* The copyright notice above does not evidence any actual or
* intended publication of such source code.
*
******************************************************************************/
#include <iostream.h>
#include "std_string.h"
#ifdef NAMESPACES_LUCENT
namespace std {
#endif
/*
* The stream insertion operator has to deal with the field width
* stored in the stream object.
*/
ostream&
operator<<(ostream& oo, const string& r) {
#ifndef IOSTREAMH
char *p = r.d->str;
char *end = r.d->str + r.d->len;
char c = *end;
*end = '\0';
while (p < end) {
oo << p;
while (*p) p++;
if (p < end) {
oo.put((char)0); /* write out embedded null */
p++;
}
}
*end = c;
#else
int fwidth = oo.width(0); /* get the current "field width" setting */
int len = r.d->len; /* and the length of the string */
int pad = fwidth - len; /* this is the amount of padding needed */
if (pad <= 0) {
oo.write(r.d->str,r.d->len);
}
else {
/*
* check if the padding goes before or after, default is before
*/
int leftjust = ( (oo.flags() & ios::left) != 0 );
char fillchar = oo.fill();
if (leftjust) {
oo.write(r.d->str,r.d->len);
}
for (; pad; pad--) {
oo.put(fillchar);
}
if (!leftjust) {
oo.write(r.d->str,r.d->len);
}
}
#endif
return oo;
}
#ifdef NAMESPACES_LUCENT
}
#endif