| #ifndef _STDIO_IMPL_H |
| #define _STDIO_IMPL_H |
| |
| #include <stdio.h> |
| #include "syscall.h" |
| #include "libc.h" |
| |
| #define UNGET 8 |
| |
| #define FFINALLOCK(f) ((f)->lock>=0 ? __lockfile((f)) : 0) |
| #define FLOCK(f) int __need_unlock = ((f)->lock>=0 ? __lockfile((f)) : 0) |
| #define FUNLOCK(f) if (__need_unlock) __unlockfile((f)); else |
| |
| #define F_PERM 1 |
| #define F_NORD 4 |
| #define F_NOWR 8 |
| #define F_EOF 16 |
| #define F_ERR 32 |
| #define F_SVB 64 |
| #define F_APP 128 |
| |
| struct _IO_FILE { |
| unsigned flags; |
| unsigned char *rpos, *rend; |
| int (*close)(FILE *); |
| unsigned char *wend, *wpos; |
| unsigned char *mustbezero_1; |
| unsigned char *wbase; |
| size_t (*read)(FILE *, unsigned char *, size_t); |
| size_t (*write)(FILE *, const unsigned char *, size_t); |
| off_t (*seek)(FILE *, off_t, int); |
| unsigned char *buf; |
| size_t buf_size; |
| FILE *prev, *next; |
| int fd; |
| int pipe_pid; |
| long lockcount; |
| short dummy3; |
| signed char mode; |
| signed char lbf; |
| volatile int lock; |
| volatile int waiters; |
| void *cookie; |
| off_t off; |
| char *getln_buf; |
| void *mustbezero_2; |
| unsigned char *shend; |
| off_t shlim, shcnt; |
| FILE *prev_locked, *next_locked; |
| struct __locale_struct *locale; |
| }; |
| |
| size_t __stdio_read(FILE *, unsigned char *, size_t); |
| size_t __stdio_write(FILE *, const unsigned char *, size_t); |
| size_t __stdout_write(FILE *, const unsigned char *, size_t); |
| off_t __stdio_seek(FILE *, off_t, int); |
| int __stdio_close(FILE *); |
| |
| size_t __string_read(FILE *, unsigned char *, size_t); |
| |
| int __toread(FILE *); |
| int __towrite(FILE *); |
| |
| #if defined(__PIC__) && (100*__GNUC__+__GNUC_MINOR__ >= 303) |
| __attribute__((visibility("protected"))) |
| #endif |
| int __overflow(FILE *, int), __uflow(FILE *); |
| |
| int __fseeko(FILE *, off_t, int); |
| int __fseeko_unlocked(FILE *, off_t, int); |
| off_t __ftello(FILE *); |
| off_t __ftello_unlocked(FILE *); |
| size_t __fwritex(const unsigned char *, size_t, FILE *); |
| int __putc_unlocked(int, FILE *); |
| |
| FILE *__fdopen(int, const char *); |
| int __fmodeflags(const char *); |
| |
| FILE *__ofl_add(FILE *f); |
| FILE **__ofl_lock(void); |
| void __ofl_unlock(void); |
| |
| #define feof(f) ((f)->flags & F_EOF) |
| #define ferror(f) ((f)->flags & F_ERR) |
| |
| #define getc_unlocked(f) \ |
| ( ((f)->rpos < (f)->rend) ? *(f)->rpos++ : __uflow((f)) ) |
| |
| #define putc_unlocked(c, f) \ |
| ( ((unsigned char)(c)!=(f)->lbf && (f)->wpos<(f)->wend) \ |
| ? *(f)->wpos++ = (c) : __overflow((f),(c)) ) |
| |
| /* Caller-allocated FILE * operations */ |
| FILE *__fopen_rb_ca(const char *, FILE *, unsigned char *, size_t); |
| int __fclose_ca(FILE *); |
| |
| #endif |