bug report
Neil D. Howie
ndh@csd.abdn.ac.uk
Fri Nov 6 10:35:00 GMT 1998
the following code (created with gcc -E test.cc) causes egcs 2.91.57
(1.0.1b release) to return an internal compiler error, it is running
on Linux 2.1.126 (i586), with glibc 2.0.7pre6
the bug seems related to directory length, since the file compiles
fine in a directory /home/project/foo, where 'foo' has 4 or less characters,
but causes the error with 'foo' == 5 or more characters
---
# 1 "test.cc"
# 1 "/usr/local/include/g++/iostream.h" 1 3
#pragma interface
# 1 "/usr/local/include/g++/streambuf.h" 1 3
#pragma interface
extern "C" {
# 1 "/usr/local/include/g++/libio.h" 1 3
# 1 "/usr/local/include/_G_config.h" 1 3
# 1 "/usr/local/include/gnu/types.h" 1 3
# 1 "/usr/local/include/features.h" 1 3
# 117 "/usr/local/include/features.h" 3
# 1 "/usr/local/include/sys/cdefs.h" 1 3
# 1 "/usr/local/include/features.h" 1 3
# 222 "/usr/local/include/features.h" 3
# 22 "/usr/local/include/sys/cdefs.h" 2 3
# 54 "/usr/local/include/sys/cdefs.h" 3
# 86 "/usr/local/include/sys/cdefs.h" 3
# 205 "/usr/local/include/features.h" 2 3
# 1 "/usr/local/include/gnu/stubs.h" 1 3
# 219 "/usr/local/include/features.h" 2 3
# 22 "/usr/local/include/gnu/types.h" 2 3
typedef unsigned char __u_char;
typedef unsigned short __u_short;
typedef unsigned int __u_int;
typedef unsigned long __u_long;
typedef unsigned long long int __u_quad_t;
typedef long long int __quad_t;
# 41 "/usr/local/include/gnu/types.h" 3
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 struct
{
int __val[2];
} __fsid_t;
typedef int __daddr_t;
typedef char *__caddr_t;
typedef long int __time_t;
typedef long int __swblk_t;
typedef long int __clock_t;
typedef unsigned long int __fd_mask;
typedef struct
{
__fd_mask fds_bits[1024 / (8 * sizeof (__fd_mask)) ];
} __fd_set;
typedef int __key_t;
typedef unsigned short int __ipc_pid_t;
# 9 "/usr/local/include/_G_config.h" 2 3
# 1 "/usr/local/lib/gcc-lib/i586-pc-linux-gnu/egcs-2.91.57/include/stddef.h" 1 3
# 19 "/usr/local/lib/gcc-lib/i586-pc-linux-gnu/egcs-2.91.57/include/stddef.h" 3
# 61 "/usr/local/lib/gcc-lib/i586-pc-linux-gnu/egcs-2.91.57/include/stddef.h" 3
# 131 "/usr/local/lib/gcc-lib/i586-pc-linux-gnu/egcs-2.91.57/include/stddef.h" 3
typedef unsigned int size_t;
# 271 "/usr/local/lib/gcc-lib/i586-pc-linux-gnu/egcs-2.91.57/include/stddef.h" 3
typedef unsigned int wint_t;
# 317 "/usr/local/lib/gcc-lib/i586-pc-linux-gnu/egcs-2.91.57/include/stddef.h" 3
# 13 "/usr/local/include/_G_config.h" 2 3
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__)));
# 30 "/usr/local/include/g++/libio.h" 2 3
# 1 "/usr/local/lib/gcc-lib/i586-pc-linux-gnu/egcs-2.91.57/include/stdarg.h" 1 3
typedef void *__gnuc_va_list;
# 116 "/usr/local/lib/gcc-lib/i586-pc-linux-gnu/egcs-2.91.57/include/stdarg.h" 3
# 202 "/usr/local/lib/gcc-lib/i586-pc-linux-gnu/egcs-2.91.57/include/stdarg.h" 3
# 46 "/usr/local/include/g++/libio.h" 2 3
# 63 "/usr/local/include/g++/libio.h" 3
# 92 "/usr/local/include/g++/libio.h" 3
struct _IO_jump_t; struct _IO_FILE;
# 162 "/usr/local/include/g++/libio.h" 3
typedef void _IO_lock_t;
struct _IO_marker {
struct _IO_marker *_next;
struct _IO_FILE *_sbuf;
int _pos;
# 195 "/usr/local/include/g++/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 _offset;
unsigned short _cur_column;
char _unused;
char _shortbuf[1];
void * _lock;
};
struct _IO_FILE_plus;
extern struct _IO_FILE_plus _IO_stdin_, _IO_stdout_, _IO_stderr_;
typedef struct
{
__ssize_t (*read) (struct _IO_FILE *, void *, __ssize_t ) ;
__ssize_t (*write) (struct _IO_FILE *, const void *, __ssize_t ) ;
__off_t (*seek) (struct _IO_FILE *, __off_t , int) ;
int (*close) (struct _IO_FILE *) ;
} _IO_cookie_io_functions_t;
struct _IO_cookie_file
{
struct _IO_FILE file;
const void *vtable;
void *cookie;
_IO_cookie_io_functions_t io_functions;
};
extern "C" {
extern int __underflow (_IO_FILE *) ;
extern int __uflow (_IO_FILE *) ;
extern int __overflow (_IO_FILE *, int) ;
extern int _IO_getc (_IO_FILE *__fp) ;
extern int _IO_putc (int __c, _IO_FILE *__fp) ;
extern int _IO_feof (_IO_FILE *__fp) ;
extern int _IO_ferror (_IO_FILE *__fp) ;
extern int _IO_peekc_locked (_IO_FILE *__fp) ;
extern void _IO_flockfile (_IO_FILE *) ;
extern void _IO_funlockfile (_IO_FILE *) ;
extern int _IO_ftrylockfile (_IO_FILE *) ;
extern int _IO_vfscanf (_IO_FILE *, const char *, __gnuc_va_list , int *) ;
extern int _IO_vfprintf (_IO_FILE *, const char *, __gnuc_va_list ) ;
extern __ssize_t _IO_padn (_IO_FILE *, int, __ssize_t ) ;
extern size_t _IO_sgetn (_IO_FILE *, void *, size_t ) ;
extern __off_t _IO_seekoff (_IO_FILE *, __off_t , int, int) ;
extern __off_t _IO_seekpos (_IO_FILE *, __off_t , int) ;
extern void _IO_free_backup_area (_IO_FILE *) ;
}
# 36 "/usr/local/include/g++/streambuf.h" 2 3
}
# 1 "/usr/local/lib/gcc-lib/i586-pc-linux-gnu/egcs-2.91.57/include/stdarg.h" 1 3
void va_end (__gnuc_va_list);
# 168 "/usr/local/lib/gcc-lib/i586-pc-linux-gnu/egcs-2.91.57/include/stdarg.h" 3
typedef __gnuc_va_list va_list;
# 40 "/usr/local/include/g++/streambuf.h" 2 3
extern "C++" {
class istream;
class ostream; class streambuf;
typedef __off_t streamoff;
typedef __off_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;
short _fill;
__iostate _state;
__iostate _exceptions;
int _precision;
void *_arrays;
};
# 124 "/usr/local/include/g++/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 int 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
};
# 177 "/usr/local/include/g++/streambuf.h" 3
ostream* tie() const { return _tie; }
ostream* tie(ostream* val) { ostream* save=_tie; _tie=val; return save; }
short fill() const { return _fill; }
short fill(short newf)
{short 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;
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;
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*);
};
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() {
if (_arrays) delete [] _arrays;
}
}
# 31 "/usr/local/include/g++/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);
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; }
}
# 10 "test.cc" 2
int main()
{
int position = 99;
char linestr[32*position];
linestr[0] = '\0';
for (int i = 0; i < position; i++)
strcat(linestr, "a");
cout << linestr << endl;
}
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