43 lines
923 B
C++
43 lines
923 B
C++
#include <iostream.h>
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#include <ctype.h>
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#define BUF_SIZ 90
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class upstream : public istream {
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public:
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static ios::fmtflags my_toupper_bit;
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upstream (streambuf *sptr) : ios( sptr ), istream( sptr ) {};
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upstream &operator>> (char *p);
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};
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ios::fmtflags upstream::my_toupper_bit;
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upstream &upstream::operator>> (char *p) {
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getline( p, BUF_SIZ );
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if( (this->flags() & upstream::my_toupper_bit) != 0 ) {
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while( *p ) {
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*p = toupper( *p );
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p++;
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}
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}
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return (*this);
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}
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void main( void ) {
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char buf[BUF_SIZ];
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upstream test( cin.rdbuf() );
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upstream::my_toupper_bit = ios::bitalloc();
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test.setf( upstream::my_toupper_bit );
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cout << "Enter a string:" << endl;
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test >> buf;
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cout << buf << endl;
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test.unsetf( upstream::my_toupper_bit );
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cout << "Enter another string:" << endl;
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test >> buf;
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cout << buf << endl;
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}
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