[444] | 1 | #ifndef _STDIO_IMPL_H
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| 2 | #define _STDIO_IMPL_H
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| 3 |
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| 4 | #include <stdio.h>
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| 5 | #include "syscall.h"
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| 6 | #include "libc.h"
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| 7 |
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| 8 | #define UNGET 8
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| 9 |
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| 10 | #define FFINALLOCK(f) ((f)->lock>=0 ? __lockfile((f)) : 0)
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| 11 | #define FLOCK(f) int __need_unlock = ((f)->lock>=0 ? __lockfile((f)) : 0)
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| 12 | #define FUNLOCK(f) if (__need_unlock) __unlockfile((f)); else
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| 13 |
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| 14 | #define F_PERM 1
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| 15 | #define F_NORD 4
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| 16 | #define F_NOWR 8
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| 17 | #define F_EOF 16
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| 18 | #define F_ERR 32
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| 19 | #define F_SVB 64
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| 20 | #define F_APP 128
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| 21 |
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| 22 | struct _IO_FILE {
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| 23 | unsigned flags;
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| 24 | unsigned char *rpos, *rend;
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| 25 | int (*close)(FILE *);
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| 26 | unsigned char *wend, *wpos;
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| 27 | unsigned char *mustbezero_1;
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| 28 | unsigned char *wbase;
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| 29 | size_t (*read)(FILE *, unsigned char *, size_t);
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| 30 | size_t (*write)(FILE *, const unsigned char *, size_t);
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| 31 | off_t (*seek)(FILE *, off_t, int);
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| 32 | unsigned char *buf;
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| 33 | size_t buf_size;
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| 34 | FILE *prev, *next;
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| 35 | int fd;
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| 36 | int pipe_pid;
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| 37 | long lockcount;
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| 38 | short dummy3;
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| 39 | signed char mode;
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| 40 | signed char lbf;
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| 41 | volatile int lock;
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| 42 | volatile int waiters;
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| 43 | void *cookie;
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| 44 | off_t off;
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| 45 | char *getln_buf;
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| 46 | void *mustbezero_2;
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| 47 | unsigned char *shend;
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| 48 | off_t shlim, shcnt;
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| 49 | FILE *prev_locked, *next_locked;
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| 50 | struct __locale_struct *locale;
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| 51 | };
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| 52 |
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| 53 | size_t __stdio_read(FILE *, unsigned char *, size_t);
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| 54 | size_t __stdio_write(FILE *, const unsigned char *, size_t);
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| 55 | size_t __stdout_write(FILE *, const unsigned char *, size_t);
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| 56 | off_t __stdio_seek(FILE *, off_t, int);
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| 57 | int __stdio_close(FILE *);
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| 58 |
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| 59 | size_t __string_read(FILE *, unsigned char *, size_t);
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| 60 |
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| 61 | int __toread(FILE *);
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| 62 | int __towrite(FILE *);
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| 63 |
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| 64 | #if defined(__PIC__) && (100*__GNUC__+__GNUC_MINOR__ >= 303)
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| 65 | __attribute__((visibility("protected")))
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| 66 | #endif
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| 67 | int __overflow(FILE *, int), __uflow(FILE *);
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| 68 |
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| 69 | int __fseeko(FILE *, off_t, int);
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| 70 | int __fseeko_unlocked(FILE *, off_t, int);
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| 71 | off_t __ftello(FILE *);
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| 72 | off_t __ftello_unlocked(FILE *);
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| 73 | size_t __fwritex(const unsigned char *, size_t, FILE *);
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| 74 | int __putc_unlocked(int, FILE *);
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| 75 |
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| 76 | FILE *__fdopen(int, const char *);
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| 77 | int __fmodeflags(const char *);
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| 78 |
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| 79 | FILE *__ofl_add(FILE *f);
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| 80 | FILE **__ofl_lock(void);
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| 81 | void __ofl_unlock(void);
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| 82 |
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| 83 | #define feof(f) ((f)->flags & F_EOF)
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| 84 | #define ferror(f) ((f)->flags & F_ERR)
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| 85 |
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| 86 | #define getc_unlocked(f) \
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| 87 | ( ((f)->rpos < (f)->rend) ? *(f)->rpos++ : __uflow((f)) )
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| 88 |
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| 89 | #define putc_unlocked(c, f) \
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| 90 | ( ((unsigned char)(c)!=(f)->lbf && (f)->wpos<(f)->wend) \
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| 91 | ? *(f)->wpos++ = (c) : __overflow((f),(c)) )
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| 92 |
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| 93 | /* Caller-allocated FILE * operations */
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| 94 | FILE *__fopen_rb_ca(const char *, FILE *, unsigned char *, size_t);
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| 95 | int __fclose_ca(FILE *);
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| 96 |
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| 97 | #endif
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