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(no subject)
From: |
Amitav Mishra |
Subject: |
(no subject) |
Date: |
Tue, 20 Mar 2001 21:38:32 GMT |
* This is a bug report for g++.
* During compilation, g++ dies with the message (the complete output is given
below) "Internal error: Segmentation fault. Please submit a full bug
report."
* A minimal test source file (with name "test.cc") that generates the bug:
/********************* File test.cc ******************************/
#include <iostream>
class Complex {
public:
Complex(const double re = 0.0, const double im = 0.0)
: _re(re), _im(im) {}
Complex(const Complex &c) : _re(c._re), _im(c._im) {}
friend Complex operator +(const Complex &, const Complex &);
private:
double _re, _im;
};
Complex
Complex::operator +(const Complex &c1, const Complex &c2)
{
return (c1._re + c2._re, c1._im + c2._im);
}
int
main(void)
{
Complex c1(1,1), c2(2,3), c3;
c3 = c1 + c2;
}
/************************ End of file test.cc ***************************/
* Running g++ --save-temp test.cc produces the following in file "test.ii":
/*********************** File test.ii ***************************************/
# 1 "test.cc"
# 7 "/usr/include/g++-3/iostream" 1 3
# 27 "/usr/include/g++-3/iostream.h" 1 3
#pragma interface
# 27 "/usr/include/g++-3/iostream.h" 3
# 28 "/usr/include/g++-3/streambuf.h" 1 3
#pragma interface
# 28 "/usr/include/g++-3/streambuf.h" 3
extern "C" {
# 31 "/usr/include/libio.h" 1 3
# 10 "/usr/include/_G_config.h" 1 3
# 27 "/usr/include/bits/types.h" 1 3
# 283 "/usr/include/features.h" 1 3
# 311 "/usr/include/features.h" 3
# 27 "/usr/include/bits/types.h" 2 3
# 199 "/usr/lib/gcc-lib/i386-redhat-linux/2.96/include/stddef.h" 1 3
typedef unsigned int size_t;
# 30 "/usr/include/bits/types.h" 2 3
typedef unsigned char __u_char;
typedef unsigned short __u_short;
typedef unsigned int __u_int;
typedef unsigned long __u_long;
__extension__ typedef unsigned long long int __u_quad_t;
__extension__ typedef long long int __quad_t;
# 49 "/usr/include/bits/types.h" 3
typedef signed char __int8_t;
typedef unsigned char __uint8_t;
typedef signed short int __int16_t;
typedef unsigned short int __uint16_t;
typedef signed int __int32_t;
typedef unsigned int __uint32_t;
__extension__ typedef signed long long int __int64_t;
__extension__ typedef unsigned long long int __uint64_t;
typedef __quad_t *__qaddr_t;
typedef __u_quad_t __dev_t;
typedef __u_int __uid_t;
typedef __u_int __gid_t;
typedef __u_long __ino_t;
typedef __u_int __mode_t;
typedef __u_int __nlink_t;
typedef long int __off_t;
typedef __quad_t __loff_t;
typedef int __pid_t;
typedef int __ssize_t;
typedef __u_long __rlim_t;
typedef __u_quad_t __rlim64_t;
typedef __u_int __id_t;
typedef struct
{
int __val[2];
} __fsid_t;
typedef int __daddr_t;
typedef char *__caddr_t;
typedef long int __time_t;
typedef unsigned int __useconds_t;
typedef long int __suseconds_t;
typedef long int __swblk_t;
typedef long int __clock_t;
typedef int __clockid_t;
typedef int __timer_t;
typedef unsigned long int __fd_mask;
# 109 "/usr/include/bits/types.h" 3
typedef struct
{
__fd_mask __fds_bits[1024 / (8 * sizeof (__fd_mask))];
} __fd_set;
typedef int __key_t;
typedef unsigned short int __ipc_pid_t;
typedef long int __blksize_t;
typedef long int __blkcnt_t;
typedef __quad_t __blkcnt64_t;
typedef __u_long __fsblkcnt_t;
typedef __u_quad_t __fsblkcnt64_t;
typedef __u_long __fsfilcnt_t;
typedef __u_quad_t __fsfilcnt64_t;
typedef __u_quad_t __ino64_t;
typedef __loff_t __off64_t;
typedef long int __t_scalar_t;
typedef unsigned long int __t_uscalar_t;
typedef int __intptr_t;
typedef unsigned int __socklen_t;
# 24 "/usr/include/bits/pthreadtypes.h" 1 3
# 68 "/usr/include/bits/sched.h" 1 3
struct __sched_param
{
int sched_priority;
};
# 24 "/usr/include/bits/pthreadtypes.h" 2 3
struct _pthread_fastlock
{
long int __status;
int __spinlock;
};
typedef struct _pthread_descr_struct *_pthread_descr;
typedef struct
{
int __detachstate;
int __schedpolicy;
struct __sched_param __schedparam;
int __inheritsched;
int __scope;
size_t __guardsize;
int __stackaddr_set;
void *__stackaddr;
size_t __stacksize;
} pthread_attr_t;
typedef struct
{
struct _pthread_fastlock __c_lock;
_pthread_descr __c_waiting;
} pthread_cond_t;
typedef struct
{
int __dummy;
} pthread_condattr_t;
typedef unsigned int pthread_key_t;
typedef struct
{
int __m_reserved;
int __m_count;
_pthread_descr __m_owner;
int __m_kind;
struct _pthread_fastlock __m_lock;
} pthread_mutex_t;
typedef struct
{
int __mutexkind;
} pthread_mutexattr_t;
typedef int pthread_once_t;
# 140 "/usr/include/bits/pthreadtypes.h" 3
typedef unsigned long int pthread_t;
# 166 "/usr/include/bits/types.h" 2 3
# 10 "/usr/include/_G_config.h" 2 3
# 312 "/usr/lib/gcc-lib/i386-redhat-linux/2.96/include/stddef.h" 1 3
typedef unsigned int wint_t;
# 15 "/usr/include/_G_config.h" 2 3
# 25 "/usr/include/_G_config.h" 3
# 46 "/usr/include/wchar.h" 1 3
# 62 "/usr/include/wchar.h" 3
typedef struct
{
int __count;
union
{
wint_t __wch;
char __wchb[4];
} __value;
} __mbstate_t;
# 25 "/usr/include/_G_config.h" 2 3
typedef struct
{
__off_t __pos;
__mbstate_t __state;
} _G_fpos_t;
typedef struct
{
__off64_t __pos;
__mbstate_t __state;
} _G_fpos64_t;
# 45 "/usr/include/_G_config.h" 3
# 29 "/usr/include/gconv.h" 1 3
# 46 "/usr/include/wchar.h" 1 3
# 29 "/usr/include/gconv.h" 2 3
enum
{
__GCONV_OK = 0,
__GCONV_NOCONV,
__GCONV_NODB,
__GCONV_NOMEM,
__GCONV_EMPTY_INPUT,
__GCONV_FULL_OUTPUT,
__GCONV_ILLEGAL_INPUT,
__GCONV_INCOMPLETE_INPUT,
__GCONV_ILLEGAL_DESCRIPTOR,
__GCONV_INTERNAL_ERROR
};
enum
{
__GCONV_IS_LAST = 0x0001,
__GCONV_IGNORE_ERRORS = 0x0002
};
struct __gconv_step;
struct __gconv_step_data;
struct __gconv_loaded_object;
struct __gconv_trans_data;
typedef int (*__gconv_fct) (struct __gconv_step *, struct __gconv_step_data *,
__const unsigned char **, __const unsigned char *,
unsigned char **, size_t *, int, int);
typedef int (*__gconv_init_fct) (struct __gconv_step *);
typedef void (*__gconv_end_fct) (struct __gconv_step *);
typedef int (*__gconv_trans_fct) (struct __gconv_step *,
struct __gconv_step_data *, void *,
__const unsigned char *,
__const unsigned char **,
__const unsigned char *, unsigned char **,
size_t *);
typedef int (*__gconv_trans_context_fct) (struct __gconv_trans_data *,
__const unsigned char *,
__const unsigned char *,
unsigned char *, unsigned char *);
typedef int (*__gconv_trans_query_fct) (__const char *, __const char ***,
size_t *);
typedef int (*__gconv_trans_init_fct) (void **, const char *);
typedef void (*__gconv_trans_end_fct) (void *);
struct __gconv_trans_data
{
__gconv_trans_fct __trans_fct;
__gconv_trans_context_fct __trans_context_fct;
__gconv_trans_end_fct __trans_end_fct;
void *__data;
struct __gconv_trans_data *__next;
};
struct __gconv_step
{
struct __gconv_loaded_object *__shlib_handle;
__const char *__modname;
int __counter;
__const char *__from_name;
__const char *__to_name;
__gconv_fct __fct;
__gconv_init_fct __init_fct;
__gconv_end_fct __end_fct;
int __min_needed_from;
int __max_needed_from;
int __min_needed_to;
int __max_needed_to;
int __stateful;
void *__data;
};
struct __gconv_step_data
{
unsigned char *__outbuf;
unsigned char *__outbufend;
int __flags;
int __invocation_counter;
int __internal_use;
__mbstate_t *__statep;
__mbstate_t __state;
struct __gconv_trans_data *__trans;
};
typedef struct __gconv_info
{
size_t __nsteps;
struct __gconv_step *__steps;
__extension__ struct __gconv_step_data __data[0];
} *__gconv_t;
# 45 "/usr/include/_G_config.h" 2 3
typedef union
{
struct __gconv_info __cd;
struct
{
struct __gconv_info __cd;
struct __gconv_step_data __data;
} __combined;
} _G_iconv_t;
typedef int _G_int16_t __attribute__ ((__mode__ (__HI__)));
typedef int _G_int32_t __attribute__ ((__mode__ (__SI__)));
typedef unsigned int _G_uint16_t __attribute__ ((__mode__ (__HI__)));
typedef unsigned int _G_uint32_t __attribute__ ((__mode__ (__SI__)));
# 31 "/usr/include/libio.h" 2 3
# 52 "/usr/include/libio.h" 3
# 43 "/usr/lib/gcc-lib/i386-redhat-linux/2.96/include/stdarg.h" 1 3
typedef __builtin_va_list __gnuc_va_list;
# 52 "/usr/include/libio.h" 2 3
# 157 "/usr/include/libio.h" 3
struct _IO_jump_t; struct _IO_FILE;
typedef void _IO_lock_t;
struct _IO_marker {
struct _IO_marker *_next;
struct _IO_FILE *_sbuf;
int _pos;
# 190 "/usr/include/libio.h" 3
};
enum __codecvt_result
{
__codecvt_ok,
__codecvt_partial,
__codecvt_error,
__codecvt_noconv
};
# 262 "/usr/include/libio.h" 3
struct _IO_FILE {
int _flags;
char* _IO_read_ptr;
char* _IO_read_end;
char* _IO_read_base;
char* _IO_write_base;
char* _IO_write_ptr;
char* _IO_write_end;
char* _IO_buf_base;
char* _IO_buf_end;
char *_IO_save_base;
char *_IO_backup_base;
char *_IO_save_end;
struct _IO_marker *_markers;
struct _IO_FILE *_chain;
int _fileno;
int _blksize;
__off_t _old_offset;
unsigned short _cur_column;
signed char _vtable_offset;
char _shortbuf[1];
_IO_lock_t *_lock;
# 306 "/usr/include/libio.h" 3
__off64_t _offset;
void *__pad1;
void *__pad2;
int _mode;
char _unused2[15 * sizeof (int) - 2 * sizeof (void *)];
};
struct _IO_FILE_plus;
extern struct _IO_FILE_plus _IO_2_1_stdin_;
extern struct _IO_FILE_plus _IO_2_1_stdout_;
extern struct _IO_FILE_plus _IO_2_1_stderr_;
# 345 "/usr/include/libio.h" 3
typedef __ssize_t __io_read_fn (void *__cookie, char *__buf, size_t __nbytes);
typedef __ssize_t __io_write_fn (void *__cookie, __const char *__buf,
size_t __n);
typedef int __io_seek_fn (void *__cookie, __off64_t *__pos, int __w);
typedef int __io_close_fn (void *__cookie);
# 394 "/usr/include/libio.h" 3
extern "C" {
extern int __underflow (_IO_FILE *) throw ();
extern int __uflow (_IO_FILE *) throw ();
extern int __overflow (_IO_FILE *, int) throw ();
extern wint_t __wunderflow (_IO_FILE *) throw ();
extern wint_t __wuflow (_IO_FILE *) throw ();
extern wint_t __woverflow (_IO_FILE *, wint_t) throw ();
# 427 "/usr/include/libio.h" 3
extern int _IO_getc (_IO_FILE *__fp) throw ();
extern int _IO_putc (int __c, _IO_FILE *__fp) throw ();
extern int _IO_feof (_IO_FILE *__fp) throw ();
extern int _IO_ferror (_IO_FILE *__fp) throw ();
extern int _IO_peekc_locked (_IO_FILE *__fp) throw ();
extern void _IO_flockfile (_IO_FILE *) throw ();
extern void _IO_funlockfile (_IO_FILE *) throw ();
extern int _IO_ftrylockfile (_IO_FILE *) throw ();
# 453 "/usr/include/libio.h" 3
extern int _IO_vfscanf (_IO_FILE * __restrict, const char * __restrict,
__gnuc_va_list, int *__restrict) throw ();
extern int _IO_vfprintf (_IO_FILE *__restrict, const char *__restrict,
__gnuc_va_list) throw ();
extern __ssize_t _IO_padn (_IO_FILE *, int, __ssize_t) throw ();
extern size_t _IO_sgetn (_IO_FILE *, void *, size_t) throw ();
extern __off64_t _IO_seekoff (_IO_FILE *, __off64_t, int, int) throw ();
extern __off64_t _IO_seekpos (_IO_FILE *, __off64_t, int) throw ();
extern void _IO_free_backup_area (_IO_FILE *) throw ();
# 495 "/usr/include/libio.h" 3
}
# 37 "/usr/include/g++-3/streambuf.h" 2 3
}
# 110 "/usr/lib/gcc-lib/i386-redhat-linux/2.96/include/stdarg.h" 1 3
typedef __gnuc_va_list va_list;
# 41 "/usr/include/g++-3/streambuf.h" 2 3
# 65 "/usr/include/g++-3/streambuf.h" 3
extern "C++" {
class istream;
class ostream; class streambuf;
typedef __off64_t streamoff;
typedef __off64_t streampos;
typedef __ssize_t streamsize;
typedef unsigned long __fmtflags;
typedef unsigned char __iostate;
struct _ios_fields
{
streambuf *_strbuf;
ostream* _tie;
int _width;
__fmtflags _flags;
wchar_t _fill;
__iostate _state;
__iostate _exceptions;
int _precision;
void *_arrays;
};
# 126 "/usr/include/g++-3/streambuf.h" 3
class ios : public _ios_fields {
ios& operator=(ios&);
ios (const ios&);
public:
typedef __fmtflags fmtflags;
typedef int iostate;
typedef int openmode;
typedef __ssize_t streamsize;
enum io_state {
goodbit = 0,
eofbit = 1,
failbit = 2,
badbit = 4 };
enum open_mode {
in = 1,
out = 2,
ate = 4,
app = 8,
trunc = 16,
nocreate = 32,
noreplace = 64,
bin = 128,
binary = 128 };
enum seek_dir { beg, cur, end};
typedef enum seek_dir seekdir;
enum { skipws=01,
left=02, right=04, internal=010,
dec=020, oct=040, hex=0100,
showbase=0200, showpoint=0400,
uppercase=01000, showpos=02000,
scientific=04000, fixed=010000,
unitbuf=020000, stdio=040000
};
enum {
basefield=dec+oct+hex,
floatfield = scientific+fixed,
adjustfield = left+right+internal
};
# 179 "/usr/include/g++-3/streambuf.h" 3
ostream* tie() const { return _tie; }
ostream* tie(ostream* val) { ostream* save=_tie; _tie=val; return save; }
wchar_t fill() const { return _fill; }
wchar_t fill(wchar_t newf)
{wchar_t oldf = _fill; _fill = newf; return oldf;}
fmtflags flags() const { return _flags; }
fmtflags flags(fmtflags new_val) {
fmtflags old_val = _flags; _flags = new_val; return old_val; }
int precision() const { return _precision; }
int precision(int newp) {
unsigned short oldp = _precision; _precision = (unsigned short)newp;
return oldp; }
fmtflags setf(fmtflags val) {
fmtflags oldbits = _flags;
_flags |= val; return oldbits; }
fmtflags setf(fmtflags val, fmtflags mask) {
fmtflags oldbits = _flags;
_flags = (_flags & ~mask) | (val & mask); return oldbits; }
fmtflags unsetf(fmtflags mask) {
fmtflags oldbits = _flags;
_flags &= ~mask; return oldbits; }
int width() const { return _width; }
int width(int val) { int save = _width; _width = val; return save; }
void _throw_failure() const { }
void clear(iostate state = 0) {
_state = _strbuf ? state : state|badbit;
if (_state & _exceptions) _throw_failure(); }
void set(iostate flag) { _state |= flag;
if (_state & _exceptions) _throw_failure(); }
void setstate(iostate flag) { _state |= flag;
if (_state & _exceptions) _throw_failure(); }
int good() const { return _state == 0; }
int eof() const { return _state & ios::eofbit; }
int fail() const { return _state & (ios::badbit|ios::failbit); }
int bad() const { return _state & ios::badbit; }
iostate rdstate() const { return _state; }
operator void*() const { return fail() ? (void*)0 : (void*)(-1); }
int operator!() const { return fail(); }
iostate exceptions() const { return _exceptions; }
void exceptions(iostate enable) {
_exceptions = enable;
if (_state & _exceptions) _throw_failure(); }
streambuf* rdbuf() const { return _strbuf; }
streambuf* rdbuf(streambuf *_s) {
streambuf *_old = _strbuf; _strbuf = _s; clear (); return _old; }
static int sync_with_stdio(int on);
static void sync_with_stdio() { sync_with_stdio(1); }
static fmtflags bitalloc();
static int xalloc();
void*& pword(int);
void* pword(int) const;
long& iword(int);
long iword(int) const;
# 251 "/usr/include/g++-3/streambuf.h" 3
class Init {
public:
Init () { }
};
protected:
inline ios(streambuf* sb = 0, ostream* tie_to = 0);
inline virtual ~ios();
inline void init(streambuf* sb, ostream* tie = 0);
};
typedef ios::seek_dir _seek_dir;
# 276 "/usr/include/g++-3/streambuf.h" 3
class streammarker : private _IO_marker {
friend class streambuf;
void set_offset(int offset) { _pos = offset; }
public:
streammarker(streambuf *sb);
~streammarker();
int saving() { return 1; }
int delta(streammarker&);
int delta();
};
struct streambuf : public _IO_FILE {
friend class ios;
friend class istream;
friend class ostream;
friend class streammarker;
const void *&_vtable() { return *(const void**)((_IO_FILE*)this + 1); }
protected:
static streambuf* _list_all;
_IO_FILE*& xchain() { return _chain; }
void _un_link();
void _link_in();
char* gptr() const
{ return _flags & 0x100 ? _IO_save_base : _IO_read_ptr; }
char* pptr() const { return _IO_write_ptr; }
char* egptr() const
{ return _flags & 0x100 ? _IO_save_end : _IO_read_end; }
char* epptr() const { return _IO_write_end; }
char* pbase() const { return _IO_write_base; }
char* eback() const
{ return _flags & 0x100 ? _IO_save_base : _IO_read_base;}
char* base() const { return _IO_buf_base; }
char* ebuf() const { return _IO_buf_end; }
int blen() const { return _IO_buf_end - _IO_buf_base; }
void xput_char(char c) { *_IO_write_ptr++ = c; }
int xflags() { return _flags; }
int xflags(int f) {int fl = _flags; _flags = f; return fl;}
void xsetflags(int f) { _flags |= f; }
void xsetflags(int f, int mask)
{ _flags = (_flags & ~mask) | (f & mask); }
void gbump(int n)
{ _flags & 0x100 ? (_IO_save_base+=n):(_IO_read_ptr+=n);}
void pbump(int n) { _IO_write_ptr += n; }
void setb(char* b, char* eb, int a=0);
void setp(char* p, char* ep)
{ _IO_write_base=_IO_write_ptr=p; _IO_write_end=ep; }
void setg(char* eb, char* g, char *eg) {
if (_flags & 0x100) _IO_free_backup_area(this);
_IO_read_base = eb; _IO_read_ptr = g; _IO_read_end = eg; }
char *shortbuf() { return _shortbuf; }
int in_backup() { return _flags & 0x100; }
char *Gbase() { return in_backup() ? _IO_save_base : _IO_read_base; }
char *eGptr() { return in_backup() ? _IO_save_end : _IO_read_end; }
char *Bbase() { return in_backup() ? _IO_read_base : _IO_save_base; }
char *Bptr() { return _IO_backup_base; }
char *eBptr() { return in_backup() ? _IO_read_end : _IO_save_end; }
char *Nbase() { return _IO_save_base; }
char *eNptr() { return _IO_save_end; }
int have_backup() { return _IO_save_base != __null; }
int have_markers() { return _markers != __null; }
void free_backup_area();
void unsave_markers();
int put_mode() { return _flags & 0x800; }
int switch_to_get_mode();
streambuf(int flags=0);
public:
static int flush_all();
static void flush_all_linebuffered();
virtual ~streambuf();
virtual int overflow(int c = (-1));
virtual int underflow();
virtual int uflow();
virtual int pbackfail(int c);
virtual streamsize xsputn(const char* s, streamsize n);
virtual streamsize xsgetn(char* s, streamsize n);
virtual streampos seekoff(streamoff, _seek_dir, int mode=ios::in|ios::out);
virtual streampos seekpos(streampos pos, int mode = ios::in|ios::out);
streampos pubseekoff(streamoff o, _seek_dir d, int mode=ios::in|ios::out)
{ return _IO_seekoff (this, o, d, mode); }
streampos pubseekpos(streampos pos, int mode = ios::in|ios::out)
{ return _IO_seekpos (this, pos, mode); }
streampos sseekoff(streamoff, _seek_dir, int mode=ios::in|ios::out);
streampos sseekpos(streampos pos, int mode = ios::in|ios::out);
virtual streambuf* setbuf(char* p, int len);
virtual int sync();
virtual int doallocate();
int seekmark(streammarker& mark, int delta = 0);
int sputbackc(char c);
int sungetc();
int unbuffered() { return _flags & 2 ? 1 : 0; }
int linebuffered() { return _flags & 0x200 ? 1 : 0; }
void unbuffered(int i)
{ if (i) _flags |= 2; else _flags &= ~2; }
void linebuffered(int i)
{ if (i) _flags |= 0x200; else _flags &= ~0x200; }
int allocate() {
if (base() || unbuffered()) return 0;
else return doallocate(); }
void allocbuf() { if (base() == __null) doallocbuf(); }
void doallocbuf();
int in_avail() { return _IO_read_end - _IO_read_ptr; }
int out_waiting() { return _IO_write_ptr - _IO_write_base; }
streamsize sputn(const char* s, streamsize n) { return xsputn(s, n); }
streamsize padn(char pad, streamsize n) { return _IO_padn(this, pad, n); }
streamsize sgetn(char* s, streamsize n) { return _IO_sgetn(this, s, n); }
int ignore(int);
int get_column();
int set_column(int);
long sgetline(char* buf, size_t n, char delim, int putback_delim);
int sputc(int c) { return _IO_putc(c, this); }
int sbumpc() { return _IO_getc(this); }
int sgetc() { return ((this)->_IO_read_ptr >= (this)->_IO_read_end &&
__underflow (this) == (-1) ? (-1) : *(unsigned char *) (this)->_IO_read_ptr); }
int snextc() {
if (_IO_read_ptr >= _IO_read_end && __underflow(this) == (-1))
return (-1);
else return _IO_read_ptr++, sgetc(); }
void stossc() { if (_IO_read_ptr < _IO_read_end) _IO_read_ptr++; }
int vscan(char const *fmt0, __gnuc_va_list ap, ios* stream = __null);
int scan(char const *fmt0 ...);
int vform(char const *fmt0, __gnuc_va_list ap);
int form(char const *fmt0 ...);
virtual streamsize sys_read(char* buf, streamsize size);
virtual streamsize sys_write(const char*, streamsize);
virtual streampos sys_seek(streamoff, _seek_dir);
virtual int sys_close();
virtual int sys_stat(void*);
virtual int showmanyc();
virtual void imbue(void *);
};
class filebuf : public streambuf {
protected:
void init();
public:
static const int openprot;
filebuf();
filebuf(int fd);
filebuf(int fd, char* p, int len);
~filebuf();
filebuf* attach(int fd);
filebuf* open(const char *filename, const char *mode);
filebuf* open(const char *filename, ios::openmode mode, int prot = 0664);
virtual int underflow();
virtual int overflow(int c = (-1));
int is_open() const { return _fileno >= 0; }
int fd() const { return is_open() ? _fileno : (-1); }
filebuf* close();
virtual int doallocate();
virtual streampos seekoff(streamoff, _seek_dir, int mode=ios::in|ios::out);
virtual streambuf* setbuf(char* p, int len);
streamsize xsputn(const char* s, streamsize n);
streamsize xsgetn(char* s, streamsize n);
virtual int sync();
protected:
int is_reading() { return eback() != egptr(); }
char* cur_ptr() { return is_reading() ? gptr() : pptr(); }
char* file_ptr() { return eGptr(); }
virtual streamsize sys_read(char* buf, streamsize size);
virtual streampos sys_seek(streamoff, _seek_dir);
virtual streamsize sys_write(const char*, streamsize);
virtual int sys_stat(void*);
virtual int sys_close();
};
inline void ios::init(streambuf* sb, ostream* tie_to) {
_state = sb ? ios::goodbit : ios::badbit; _exceptions=0;
_strbuf=sb; _tie = tie_to; _width=0; _fill=' ';
_flags=ios::skipws|ios::dec;
_precision=6; _arrays = 0; }
inline ios::ios(streambuf* sb, ostream* tie_to) { init(sb, tie_to); }
inline ios::~ios() {
operator delete[] (_arrays);
}
}
# 32 "/usr/include/g++-3/iostream.h" 2 3
extern "C++" {
class istream; class ostream;
typedef ios& (*__manip)(ios&);
typedef istream& (*__imanip)(istream&);
typedef ostream& (*__omanip)(ostream&);
extern istream& ws(istream& ins);
extern ostream& flush(ostream& outs);
extern ostream& endl(ostream& outs);
extern ostream& ends(ostream& outs);
class ostream : virtual public ios
{
void do_osfx();
public:
ostream() { }
ostream(streambuf* sb, ostream* tied=__null);
int opfx() {
if (!good()) return 0;
else { if (_tie) _tie->flush();; return 1;} }
void osfx() {;
if (flags() & (ios::unitbuf|ios::stdio))
do_osfx(); }
ostream& flush();
ostream& put(char c) { _strbuf->sputc(c); return *this; }
ostream& write(const char *s, streamsize n);
ostream& write(const unsigned char *s, streamsize n)
{ return write((const char*)s, n);}
ostream& write(const signed char *s, streamsize n)
{ return write((const char*)s, n);}
ostream& write(const void *s, streamsize n)
{ return write((const char*)s, n);}
ostream& seekp(streampos);
ostream& seekp(streamoff, _seek_dir);
streampos tellp();
ostream& form(const char *format ...);
ostream& vform(const char *format, __gnuc_va_list args);
ostream& operator<<(char c);
ostream& operator<<(unsigned char c) { return (*this) << (char)c; }
ostream& operator<<(signed char c) { return (*this) << (char)c; }
ostream& operator<<(const char *s);
ostream& operator<<(const unsigned char *s)
{ return (*this) << (const char*)s; }
ostream& operator<<(const signed char *s)
{ return (*this) << (const char*)s; }
ostream& operator<<(const void *p);
ostream& operator<<(int n);
ostream& operator<<(unsigned int n);
ostream& operator<<(long n);
ostream& operator<<(unsigned long n);
__extension__ ostream& operator<<(long long n);
__extension__ ostream& operator<<(unsigned long long n);
ostream& operator<<(short n) {return operator<<((int)n);}
ostream& operator<<(unsigned short n) {return operator<<((unsigned int)n);}
ostream& operator<<(bool b) { return operator<<((int)b); }
ostream& operator<<(double n);
ostream& operator<<(float n) { return operator<<((double)n); }
ostream& operator<<(long double n);
ostream& operator<<(__omanip func) { return (*func)(*this); }
ostream& operator<<(__manip func) {(*func)(*this); return *this;}
ostream& operator<<(streambuf*);
};
class istream : virtual public ios
{
protected:
size_t _gcount;
int _skip_ws();
public:
istream(): _gcount (0) { }
istream(streambuf* sb, ostream*tied=__null);
istream& get(char* ptr, int len, char delim = '\n');
istream& get(unsigned char* ptr, int len, char delim = '\n')
{ return get((char*)ptr, len, delim); }
istream& get(char& c);
istream& get(unsigned char& c) { return get((char&)c); }
istream& getline(char* ptr, int len, char delim = '\n');
istream& getline(unsigned char* ptr, int len, char delim = '\n')
{ return getline((char*)ptr, len, delim); }
istream& get(signed char& c) { return get((char&)c); }
istream& get(signed char* ptr, int len, char delim = '\n')
{ return get((char*)ptr, len, delim); }
istream& getline(signed char* ptr, int len, char delim = '\n')
{ return getline((char*)ptr, len, delim); }
istream& read(char *ptr, streamsize n);
istream& read(unsigned char *ptr, streamsize n)
{ return read((char*)ptr, n); }
istream& read(signed char *ptr, streamsize n)
{ return read((char*)ptr, n); }
istream& read(void *ptr, streamsize n)
{ return read((char*)ptr, n); }
istream& get(streambuf& sb, char delim = '\n');
istream& gets(char **s, char delim = '\n');
int ipfx(int need = 0) {
if (!good()) { set(ios::failbit); return 0; }
else {
;
if (_tie && (need == 0 || rdbuf()->in_avail() < need)) _tie->flush();
if (!need && (flags() & ios::skipws)) return _skip_ws();
else return 1;
}
}
int ipfx0() {
if (!good()) { set(ios::failbit); return 0; }
else {
;
if (_tie) _tie->flush();
if (flags() & ios::skipws) return _skip_ws();
else return 1;
}
}
int ipfx1() {
if (!good()) { set(ios::failbit); return 0; }
else {
;
if (_tie && rdbuf()->in_avail() == 0) _tie->flush();
return 1;
}
}
void isfx() {; }
int get() { if (!ipfx1()) return (-1);
else { int ch = _strbuf->sbumpc();
if (ch == (-1)) set(ios::eofbit);
isfx();
return ch;
} }
int peek();
size_t gcount() { return _gcount; }
istream& ignore(int n=1, int delim = (-1));
int sync ();
istream& seekg(streampos);
istream& seekg(streamoff, _seek_dir);
streampos tellg();
istream& putback(char ch) {
if (good() && _strbuf->sputbackc(ch) == (-1)) clear(ios::badbit);
return *this;}
istream& unget() {
if (good() && _strbuf->sungetc() == (-1)) clear(ios::badbit);
return *this;}
istream& scan(const char *format ...);
istream& vscan(const char *format, __gnuc_va_list args);
istream& operator>>(char*);
istream& operator>>(unsigned char* p) { return operator>>((char*)p); }
istream& operator>>(signed char*p) { return operator>>((char*)p); }
istream& operator>>(char& c);
istream& operator>>(unsigned char& c) {return operator>>((char&)c);}
istream& operator>>(signed char& c) {return operator>>((char&)c);}
istream& operator>>(int&);
istream& operator>>(long&);
__extension__ istream& operator>>(long long&);
__extension__ istream& operator>>(unsigned long long&);
istream& operator>>(short&);
istream& operator>>(unsigned int&);
istream& operator>>(unsigned long&);
istream& operator>>(unsigned short&);
istream& operator>>(bool&);
istream& operator>>(float&);
istream& operator>>(double&);
istream& operator>>(long double&);
istream& operator>>( __manip func) {(*func)(*this); return *this;}
istream& operator>>(__imanip func) { return (*func)(*this); }
istream& operator>>(streambuf*);
};
class iostream : public istream, public ostream
{
public:
iostream() { }
iostream(streambuf* sb, ostream*tied=__null);
};
class _IO_istream_withassign : public istream {
public:
_IO_istream_withassign& operator=(istream&);
_IO_istream_withassign& operator=(_IO_istream_withassign& rhs)
{ return operator= (static_cast<istream&> (rhs)); }
};
class _IO_ostream_withassign : public ostream {
public:
_IO_ostream_withassign& operator=(ostream&);
_IO_ostream_withassign& operator=(_IO_ostream_withassign& rhs)
{ return operator= (static_cast<ostream&> (rhs)); }
};
extern _IO_istream_withassign cin;
extern _IO_ostream_withassign cout, cerr;
extern _IO_ostream_withassign clog
;
extern istream& lock(istream& ins);
extern istream& unlock(istream& ins);
extern ostream& lock(ostream& outs);
extern ostream& unlock(ostream& outs);
struct Iostream_init { } ;
inline ios& dec(ios& i)
{ i.setf(ios::dec, ios::dec|ios::hex|ios::oct); return i; }
inline ios& hex(ios& i)
{ i.setf(ios::hex, ios::dec|ios::hex|ios::oct); return i; }
inline ios& oct(ios& i)
{ i.setf(ios::oct, ios::dec|ios::hex|ios::oct); return i; }
}
# 7 "/usr/include/g++-3/iostream" 2 3
# 2 "test.cc" 2
class Complex {
public:
Complex(const double re = 0.0, const double im = 0.0)
: _re(re), _im(im) {}
Complex(const Complex &c) : _re(c._re), _im(c._im) {}
friend Complex operator +(const Complex &, const Complex &);
private:
double _re, _im;
};
Complex
Complex::operator +(const Complex &c1, const Complex &c2)
{
return (c1._re + c2._re, c1._im + c2._im);
}
int
main(void)
{
Complex c1(1,1), c2(2,3), c3;
c3 = c1 + c2;
}
/******************** End of file test.ii ************************/
* The exact output from g++ befor it dies:
(the command line used for the compilation is
$ g++ test.cc # or
$ g++ --save-temp test.cc
the following output is the same for both the cases.)
test.cc:16: `Complex::operator+ (const Complex &, const Complex &)'
must take either zero or one argument
test.cc:16: no `Complex Complex::operator+ (const Complex &, const
Complex &)' member function declared in class `Complex'
test.cc: In method `Complex Complex::operator+ (const Complex &, const
Complex &)':
test.cc:17: Internal error: Segmentation fault.
Please submit a full bug report.
See <URL:http://www.gnu.org/software/gcc/bugs.html> for instructions.
* The output of running `g++ -v' is:
Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/2.96/specs
gcc version 2.96 20000731 (Red Hat Linux 7.0)
* This gcc/g++ was not compiled locally. It came with the standard
Red Hat Linux 7.0 distribution as a set of *.rpm files.
* Thank you.
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