diff options
Diffstat (limited to 'libio/libio.h')
| -rw-r--r-- | libio/libio.h | 114 |
1 files changed, 111 insertions, 3 deletions
diff --git a/libio/libio.h b/libio/libio.h index b4be610fbd..a3852886fc 100644 --- a/libio/libio.h +++ b/libio/libio.h @@ -37,10 +37,12 @@ #define _IO_off64_t _G_off64_t #define _IO_pid_t _G_pid_t #define _IO_uid_t _G_uid_t +#define _IO_iconv_t _G_iconv_t #define _IO_HAVE_SYS_WAIT _G_HAVE_SYS_WAIT #define _IO_HAVE_ST_BLKSIZE _G_HAVE_ST_BLKSIZE #define _IO_BUFSIZ _G_BUFSIZ #define _IO_va_list _G_va_list +#define _IO_wint_t _G_wint_t #ifdef _G_NEED_STDARG_H /* This define avoids name pollution if we're using GNU stdarg.h */ @@ -186,6 +188,70 @@ struct _IO_marker { #endif }; +/* This is the structure from the libstdc++ codecvt class. */ +enum __codecvt_result +{ + __codecvt_ok, + __codecvt_partial, + __codecvt_error, + __codecvt_noconv +}; + +/* The order of the elements in the following struct must match the order + of the virtual functions in the libstdc++ codecvt class. */ +struct _IO_codecvt +{ + void (*__codecvt_destr) __P ((struct _IO_codecvt *)); + enum __codecvt_result (*__codecvt_do_out) __P ((struct _IO_codecvt *, + __mbstate_t *, + const wchar_t *, + const wchar_t *, + const wchar_t **, char *, + char *, char **)); + enum __codecvt_result (*__codecvt_do_unshift) __P ((struct _IO_codecvt *, + __mbstate_t *, char *, + char *, char **)); + enum __codecvt_result (*__codecvt_do_in) __P ((struct _IO_codecvt *, + __mbstate_t *, + const char *, const char *, + const char **, wchar_t *, + wchar_t *, wchar_t **)); + int (*__codecvt_do_encoding) __P ((struct _IO_codecvt *)); + int (*__codecvt_do_always_noconv) __P ((struct _IO_codecvt *)); + int (*__codecvt_do_length) __P ((struct _IO_codecvt *, __mbstate_t *, + const char *, const char *, _IO_size_t)); + int (*__codecvt_do_max_length) __P ((struct _IO_codecvt *)); + + _IO_iconv_t __cd_in; + _IO_iconv_t __cd_out; +}; + +/* Extra data for wide character streams. */ +struct _IO_wide_data +{ + wchar_t *_IO_read_ptr; /* Current read pointer */ + wchar_t *_IO_read_end; /* End of get area. */ + wchar_t *_IO_read_base; /* Start of putback+get area. */ + wchar_t *_IO_write_base; /* Start of put area. */ + wchar_t *_IO_write_ptr; /* Current put pointer. */ + wchar_t *_IO_write_end; /* End of put area. */ + wchar_t *_IO_buf_base; /* Start of reserve area. */ + wchar_t *_IO_buf_end; /* End of reserve area. */ + /* The following fields are used to support backing up and undo. */ + wchar_t *_IO_save_base; /* Pointer to start of non-current get area. */ + wchar_t *_IO_backup_base; /* Pointer to first valid character of + backup area */ + wchar_t *_IO_save_end; /* Pointer to end of non-current get area. */ + + __mbstate_t _IO_state; + __mbstate_t _IO_last_state; + struct _IO_codecvt _codecvt; + + wchar_t _shortbuf[1]; + + struct _IO_jump_t *_wide_vtable; +}; + struct _IO_FILE { int _flags; /* High-order word is _IO_MAGIC; rest is flags. */ #define _IO_file_flags _flags @@ -231,8 +297,12 @@ struct _IO_FILE_complete #endif #if defined _G_IO_IO_FILE_VERSION && _G_IO_IO_FILE_VERSION == 0x20001 _IO_off64_t _offset; + /* Wide character stream stuff. */ + struct _IO_codecvt *_codecvt; + struct _IO_wide_data *_wide_data; + int _mode; /* Make sure we don't get into trouble again. */ - int _unused2[16]; + char _unused2[15 * sizeof (int) - 2 * sizeof (void *)]; #endif }; @@ -318,6 +388,9 @@ extern "C" { extern int __underflow __P ((_IO_FILE *)); extern int __uflow __P ((_IO_FILE *)); extern int __overflow __P ((_IO_FILE *, int)); +extern _IO_wint_t __wunderflow __P ((_IO_FILE *)); +extern _IO_wint_t __wuflow __P ((_IO_FILE *)); +extern _IO_wint_t __woverflow __P ((_IO_FILE *, _IO_wint_t)); #define _IO_getc_unlocked(_fp) \ ((_fp)->_IO_read_ptr >= (_fp)->_IO_read_end ? __uflow (_fp) \ @@ -331,16 +404,44 @@ extern int __overflow __P ((_IO_FILE *, int)); ? __overflow (_fp, (unsigned char) (_ch)) \ : (unsigned char) (*(_fp)->_IO_write_ptr++ = (_ch))) +#define _IO_getwc_unlocked(_fp) \ + ((_fp)->_wide_data->_IO_read_ptr >= (_fp)->_wide_data->_IO_read_end \ + ? __wuflow (_fp) : (_IO_wint_t) *(_fp)->_wide_data->_IO_read_ptr++) +#define _IO_putwc_unlocked(_wch, _fp) \ + ((_fp)->_wide_data->_IO_write_ptr >= (_fp)->_wide_data->_IO_write_end \ + ? __woverflow (_fp, _wch) \ + : (_IO_wint_t) (*(_fp)->_wide_data->_IO_write_ptr++ = (_wch))) + #define _IO_feof_unlocked(__fp) (((__fp)->_flags & _IO_EOF_SEEN) != 0) #define _IO_ferror_unlocked(__fp) (((__fp)->_flags & _IO_ERR_SEEN) != 0) extern int _IO_getc __P ((_IO_FILE *__fp)); extern int _IO_putc __P ((int __c, _IO_FILE *__fp)); +extern _IO_wint_t _IO_getwc __P ((_IO_FILE *__fp)); +extern _IO_wint_t _IO_putwc __P ((_IO_wint_t __wc, _IO_FILE *__fp)); extern int _IO_feof __P ((_IO_FILE *__fp)); extern int _IO_ferror __P ((_IO_FILE *__fp)); extern int _IO_peekc_locked __P ((_IO_FILE *__fp)); +extern int _IO_fwide __P ((_IO_FILE *__fp, int __mode)); +#if __GNUC__ >= 2 +/* A special optimized version of the function above. It optimizes the + case of initializing an unoriented byte stream. */ +# define _IO_fwide(__fp, __mode) \ + ({ int __result = (__mode); \ + if (__result < 0) \ + { \ + if ((__fp)->_mode == 0) \ + /* We know that all we have to do is to set the flag. */ \ + (__fp)->_mode = -1; \ + __result = (__fp)->_mode; \ + } \ + else \ + __result = _IO_fwide (__fp, __result); \ + __result; }) +#endif + /* This one is for Emacs. */ #define _IO_PENDING_OUTPUT_COUNT(_fp) \ ((_fp)->_IO_write_ptr - (_fp)->_IO_write_base) @@ -362,15 +463,22 @@ extern int _IO_ftrylockfile __P ((_IO_FILE *)); extern int _IO_vfscanf __P ((_IO_FILE * __restrict, const char * __restrict, _IO_va_list, int *__restrict)); +extern int _IO_vfwscanf __P ((_IO_FILE * __restrict, + const wchar_t * __restrict, + _IO_va_list, int *__restrict)); extern int _IO_vfprintf __P ((_IO_FILE *__restrict, const char *__restrict, _IO_va_list)); +extern int _IO_vfwprintf __P ((_IO_FILE *__restrict, const wchar_t *__restrict, + _IO_va_list)); extern _IO_ssize_t _IO_padn __P ((_IO_FILE *, int, _IO_ssize_t)); +extern _IO_ssize_t _IO_wpadn __P ((_IO_FILE *, wint_t, _IO_ssize_t)); extern _IO_size_t _IO_sgetn __P ((_IO_FILE *, void *, _IO_size_t)); -extern _IO_fpos64_t _IO_seekoff __P ((_IO_FILE *, _IO_off64_t, int, int)); -extern _IO_fpos64_t _IO_seekpos __P ((_IO_FILE *, _IO_fpos64_t, int)); +extern _IO_off64_t _IO_seekoff __P ((_IO_FILE *, _IO_off64_t, int, int)); +extern _IO_off64_t _IO_seekpos __P ((_IO_FILE *, _IO_off64_t, int)); extern void _IO_free_backup_area __P ((_IO_FILE *)); +extern void _IO_free_wbackup_area __P ((_IO_FILE *)); #ifdef __cplusplus } |