* i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
[official-gcc.git] / libio / iostream.h
blob19fbf8a4d95ca2bdd74c2543dd9e704108c3a3e3
1 /* This is part of libio/iostream, providing -*- C++ -*- input/output.
2 Copyright (C) 1993 Free Software Foundation
4 This file is part of the GNU IO Library. This library is free
5 software; you can redistribute it and/or modify it under the
6 terms of the GNU General Public License as published by the
7 Free Software Foundation; either version 2, or (at your option)
8 any later version.
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this library; see the file COPYING. If not, write to the Free
17 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 As a special exception, if you link this library with files
20 compiled with a GNU compiler to produce an executable, this does not cause
21 the resulting executable to be covered by the GNU General Public License.
22 This exception does not however invalidate any other reasons why
23 the executable file might be covered by the GNU General Public License. */
25 #ifndef _IOSTREAM_H
26 #ifdef __GNUG__
27 #pragma interface
28 #endif
29 #define _IOSTREAM_H
31 #include <streambuf.h>
33 extern "C++" {
34 class istream; class ostream;
35 typedef ios& (*__manip)(ios&);
36 typedef istream& (*__imanip)(istream&);
37 typedef ostream& (*__omanip)(ostream&);
39 extern istream& ws(istream& ins);
40 extern ostream& flush(ostream& outs);
41 extern ostream& endl(ostream& outs);
42 extern ostream& ends(ostream& outs);
44 class ostream : virtual public ios
46 // NOTE: If fields are changed, you must fix _fake_ostream in stdstreams.C!
47 void do_osfx();
48 public:
49 ostream() { }
50 ostream(streambuf* sb, ostream* tied=NULL);
51 int opfx() {
52 if (!good()) return 0;
53 else { if (_tie) _tie->flush(); _IO_flockfile(_strbuf); return 1;} }
54 void osfx() { _IO_funlockfile(_strbuf);
55 if (flags() & (ios::unitbuf|ios::stdio))
56 do_osfx(); }
57 ostream& flush();
58 ostream& put(char c) { _strbuf->sputc(c); return *this; }
59 #ifdef _STREAM_COMPAT
60 /* Temporary binary compatibility. REMOVE IN NEXT RELEASE. */
61 ostream& put(unsigned char c) { return put((char)c); }
62 ostream& put(signed char c) { return put((char)c); }
63 #endif
64 ostream& write(const char *s, streamsize n);
65 ostream& write(const unsigned char *s, streamsize n)
66 { return write((const char*)s, n);}
67 ostream& write(const signed char *s, streamsize n)
68 { return write((const char*)s, n);}
69 ostream& write(const void *s, streamsize n)
70 { return write((const char*)s, n);}
71 ostream& seekp(streampos);
72 ostream& seekp(streamoff, _seek_dir);
73 streampos tellp();
74 ostream& form(const char *format ...);
75 ostream& vform(const char *format, _IO_va_list args);
77 ostream& operator<<(char c);
78 ostream& operator<<(unsigned char c) { return (*this) << (char)c; }
79 ostream& operator<<(signed char c) { return (*this) << (char)c; }
80 ostream& operator<<(const char *s);
81 ostream& operator<<(const unsigned char *s)
82 { return (*this) << (const char*)s; }
83 ostream& operator<<(const signed char *s)
84 { return (*this) << (const char*)s; }
85 ostream& operator<<(const void *p);
86 ostream& operator<<(int n);
87 ostream& operator<<(unsigned int n);
88 ostream& operator<<(long n);
89 ostream& operator<<(unsigned long n);
90 #if defined(__GNUC__)
91 __extension__ ostream& operator<<(long long n);
92 __extension__ ostream& operator<<(unsigned long long n);
93 #endif
94 ostream& operator<<(short n) {return operator<<((int)n);}
95 ostream& operator<<(unsigned short n) {return operator<<((unsigned int)n);}
96 #if _G_HAVE_BOOL
97 ostream& operator<<(bool b) { return operator<<((int)b); }
98 #endif
99 ostream& operator<<(double n);
100 ostream& operator<<(float n) { return operator<<((double)n); }
101 #if _G_HAVE_LONG_DOUBLE_IO
102 ostream& operator<<(long double n);
103 #else
104 ostream& operator<<(long double n) { return operator<<((double)n); }
105 #endif
106 ostream& operator<<(__omanip func) { return (*func)(*this); }
107 ostream& operator<<(__manip func) {(*func)(*this); return *this;}
108 ostream& operator<<(streambuf*);
109 #ifdef _STREAM_COMPAT
110 streambuf* ostreambuf() const { return _strbuf; }
111 #endif
114 class istream : virtual public ios
116 // NOTE: If fields are changed, you must fix _fake_istream in stdstreams.C!
117 protected:
118 _IO_size_t _gcount;
120 int _skip_ws();
121 public:
122 istream(): _gcount (0) { }
123 istream(streambuf* sb, ostream*tied=NULL);
124 istream& get(char* ptr, int len, char delim = '\n');
125 istream& get(unsigned char* ptr, int len, char delim = '\n')
126 { return get((char*)ptr, len, delim); }
127 istream& get(char& c);
128 istream& get(unsigned char& c) { return get((char&)c); }
129 istream& getline(char* ptr, int len, char delim = '\n');
130 istream& getline(unsigned char* ptr, int len, char delim = '\n')
131 { return getline((char*)ptr, len, delim); }
132 istream& get(signed char& c) { return get((char&)c); }
133 istream& get(signed char* ptr, int len, char delim = '\n')
134 { return get((char*)ptr, len, delim); }
135 istream& getline(signed char* ptr, int len, char delim = '\n')
136 { return getline((char*)ptr, len, delim); }
137 istream& read(char *ptr, streamsize n);
138 istream& read(unsigned char *ptr, streamsize n)
139 { return read((char*)ptr, n); }
140 istream& read(signed char *ptr, streamsize n)
141 { return read((char*)ptr, n); }
142 istream& read(void *ptr, streamsize n)
143 { return read((char*)ptr, n); }
144 istream& get(streambuf& sb, char delim = '\n');
145 istream& gets(char **s, char delim = '\n');
146 int ipfx(int need = 0) {
147 if (!good()) { set(ios::failbit); return 0; }
148 else {
149 _IO_flockfile(_strbuf);
150 if (_tie && (need == 0 || rdbuf()->in_avail() < need)) _tie->flush();
151 if (!need && (flags() & ios::skipws)) return _skip_ws();
152 else return 1;
155 int ipfx0() { // Optimized version of ipfx(0).
156 if (!good()) { set(ios::failbit); return 0; }
157 else {
158 _IO_flockfile(_strbuf);
159 if (_tie) _tie->flush();
160 if (flags() & ios::skipws) return _skip_ws();
161 else return 1;
164 int ipfx1() { // Optimized version of ipfx(1).
165 if (!good()) { set(ios::failbit); return 0; }
166 else {
167 _IO_flockfile(_strbuf);
168 if (_tie && rdbuf()->in_avail() == 0) _tie->flush();
169 return 1;
172 void isfx() { _IO_funlockfile(_strbuf); }
173 int get() { if (!ipfx1()) return EOF;
174 else { int ch = _strbuf->sbumpc();
175 if (ch == EOF) set(ios::eofbit);
176 isfx();
177 return ch;
179 int peek();
180 _IO_size_t gcount() { return _gcount; }
181 istream& ignore(int n=1, int delim = EOF);
182 int sync ();
183 istream& seekg(streampos);
184 istream& seekg(streamoff, _seek_dir);
185 streampos tellg();
186 istream& putback(char ch) {
187 if (good() && _strbuf->sputbackc(ch) == EOF) clear(ios::badbit);
188 return *this;}
189 istream& unget() {
190 if (good() && _strbuf->sungetc() == EOF) clear(ios::badbit);
191 return *this;}
192 istream& scan(const char *format ...);
193 istream& vscan(const char *format, _IO_va_list args);
194 #ifdef _STREAM_COMPAT
195 istream& unget(char ch) { return putback(ch); }
196 int skip(int i);
197 streambuf* istreambuf() const { return _strbuf; }
198 #endif
200 istream& operator>>(char*);
201 istream& operator>>(unsigned char* p) { return operator>>((char*)p); }
202 istream& operator>>(signed char*p) { return operator>>((char*)p); }
203 istream& operator>>(char& c);
204 istream& operator>>(unsigned char& c) {return operator>>((char&)c);}
205 istream& operator>>(signed char& c) {return operator>>((char&)c);}
206 istream& operator>>(int&);
207 istream& operator>>(long&);
208 #if defined(__GNUC__)
209 __extension__ istream& operator>>(long long&);
210 __extension__ istream& operator>>(unsigned long long&);
211 #endif
212 istream& operator>>(short&);
213 istream& operator>>(unsigned int&);
214 istream& operator>>(unsigned long&);
215 istream& operator>>(unsigned short&);
216 #if _G_HAVE_BOOL
217 istream& operator>>(bool&);
218 #endif
219 istream& operator>>(float&);
220 istream& operator>>(double&);
221 istream& operator>>(long double&);
222 istream& operator>>( __manip func) {(*func)(*this); return *this;}
223 istream& operator>>(__imanip func) { return (*func)(*this); }
224 istream& operator>>(streambuf*);
227 class iostream : public istream, public ostream
229 public:
230 iostream() { }
231 iostream(streambuf* sb, ostream*tied=NULL);
234 class _IO_istream_withassign : public istream {
235 public:
236 _IO_istream_withassign& operator=(istream&);
237 _IO_istream_withassign& operator=(_IO_istream_withassign& rhs)
238 { return operator= (static_cast<istream&> (rhs)); }
241 class _IO_ostream_withassign : public ostream {
242 public:
243 _IO_ostream_withassign& operator=(ostream&);
244 _IO_ostream_withassign& operator=(_IO_ostream_withassign& rhs)
245 { return operator= (static_cast<ostream&> (rhs)); }
248 extern _IO_istream_withassign cin;
249 // clog->rdbuf() == cerr->rdbuf()
250 extern _IO_ostream_withassign cout, cerr;
252 extern _IO_ostream_withassign clog
253 #if _G_CLOG_CONFLICT
254 __asm__ ("__IO_clog")
255 #endif
258 extern istream& lock(istream& ins);
259 extern istream& unlock(istream& ins);
260 extern ostream& lock(ostream& outs);
261 extern ostream& unlock(ostream& outs);
263 struct Iostream_init { } ; // Compatibility hack for AT&T library.
265 inline ios& dec(ios& i)
266 { i.setf(ios::dec, ios::dec|ios::hex|ios::oct); return i; }
267 inline ios& hex(ios& i)
268 { i.setf(ios::hex, ios::dec|ios::hex|ios::oct); return i; }
269 inline ios& oct(ios& i)
270 { i.setf(ios::oct, ios::dec|ios::hex|ios::oct); return i; }
271 } // extern "C++"
273 #endif /*!_IOSTREAM_H*/