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a5406364ac
These variables are only used to determine if a stdio stream is a pre-allocated stream, but it is possible to do so by comparing a FILE * to all pre-allocated stream objects. As a result, it is not necessary to keep those pointers in separate variables. Behavior with symbol interposition is unchanged because _IO_stdin_, _IO_stdout_, _IO_stderr_ are exported, and refer to objects outside of libc if symbol interposition or copy relocations are involved. (The removed variables _IO_stdin, _IO_stdout, _IO_stderr were not exported, of course.)
83 lines
3.4 KiB
C
83 lines
3.4 KiB
C
#ifndef _IOLIBIO_H
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#define _IOLIBIO_H 1
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#include <stdio.h>
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#include <libio/libio.h>
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/* Alternative names for many of the stdio.h functions, used
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internally and exposed for backward compatibility's sake. */
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extern int _IO_fclose (FILE*);
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extern int _IO_new_fclose (FILE*);
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extern int _IO_old_fclose (FILE*);
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extern FILE *_IO_fdopen (int, const char*) __THROW;
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libc_hidden_proto (_IO_fdopen)
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extern FILE *_IO_old_fdopen (int, const char*) __THROW;
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extern FILE *_IO_new_fdopen (int, const char*) __THROW;
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extern int _IO_fflush (FILE*);
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libc_hidden_proto (_IO_fflush)
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extern int _IO_fgetpos (FILE*, __fpos_t*);
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extern int _IO_fgetpos64 (FILE*, __fpos64_t*);
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extern char* _IO_fgets (char*, int, FILE*);
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extern FILE *_IO_fopen (const char*, const char*);
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extern FILE *_IO_old_fopen (const char*, const char*);
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extern FILE *_IO_new_fopen (const char*, const char*);
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extern FILE *_IO_fopen64 (const char*, const char*);
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extern FILE *__fopen_internal (const char*, const char*, int)
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attribute_hidden;
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extern FILE *__fopen_maybe_mmap (FILE *) __THROW attribute_hidden;
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extern int _IO_fprintf (FILE*, const char*, ...);
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extern int _IO_fputs (const char*, FILE*);
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libc_hidden_proto (_IO_fputs)
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extern int _IO_fsetpos (FILE*, const __fpos_t *);
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extern int _IO_fsetpos64 (FILE*, const __fpos64_t *);
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extern long int _IO_ftell (FILE*);
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libc_hidden_proto (_IO_ftell)
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extern size_t _IO_fread (void*, size_t, size_t, FILE*);
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libc_hidden_proto (_IO_fread)
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extern size_t _IO_fwrite (const void*, size_t, size_t, FILE*);
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libc_hidden_proto (_IO_fwrite)
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extern char* _IO_gets (char*);
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extern void _IO_perror (const char*) __THROW;
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extern int _IO_printf (const char*, ...);
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extern int _IO_puts (const char*);
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libc_hidden_proto (_IO_puts)
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extern int _IO_scanf (const char*, ...);
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extern void _IO_setbuffer (FILE *, char*, size_t) __THROW;
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libc_hidden_proto (_IO_setbuffer)
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extern int _IO_setvbuf (FILE*, char*, int, size_t) __THROW;
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libc_hidden_proto (_IO_setvbuf)
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extern int _IO_sscanf (const char*, const char*, ...) __THROW;
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extern int _IO_sprintf (char *, const char*, ...) __THROW;
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extern int _IO_ungetc (int, FILE*) __THROW;
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extern int _IO_vsscanf (const char *, const char *, __gnuc_va_list) __THROW;
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#define _IO_clearerr(FP) ((FP)->_flags &= ~(_IO_ERR_SEEN|_IO_EOF_SEEN))
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#define _IO_fseek(__fp, __offset, __whence) \
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(_IO_seekoff_unlocked (__fp, __offset, __whence, _IOS_INPUT|_IOS_OUTPUT) \
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== _IO_pos_BAD ? EOF : 0)
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#define _IO_rewind(FILE) \
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(void) _IO_seekoff_unlocked (FILE, 0, 0, _IOS_INPUT|_IOS_OUTPUT)
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#define _IO_freopen(FILENAME, MODE, FP) \
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(_IO_file_close_it (FP), \
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_IO_file_fopen (FP, FILENAME, MODE, 1))
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#define _IO_old_freopen(FILENAME, MODE, FP) \
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(_IO_old_file_close_it (FP), _IO_old_file_fopen(FP, FILENAME, MODE))
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#define _IO_freopen64(FILENAME, MODE, FP) \
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(_IO_file_close_it (FP), \
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_IO_file_fopen (FP, FILENAME, MODE, 0))
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#define _IO_fileno(FP) ((FP)->_fileno)
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extern FILE* _IO_popen (const char*, const char*) __THROW;
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extern FILE* _IO_new_popen (const char*, const char*) __THROW;
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extern FILE* _IO_old_popen (const char*, const char*) __THROW;
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extern int __new_pclose (FILE *) __THROW;
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extern int __old_pclose (FILE *) __THROW;
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#define _IO_pclose _IO_fclose
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#define _IO_setbuf(_FP, _BUF) _IO_setbuffer (_FP, _BUF, BUFSIZ)
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#define _IO_setlinebuf(_FP) _IO_setvbuf (_FP, NULL, 1, 0)
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FILE *__new_freopen (const char *, const char *, FILE *) __THROW;
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FILE *__old_freopen (const char *, const char *, FILE *) __THROW;
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#endif /* iolibio.h. */
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