#define _STDIO_IMPL_H
#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <stdarg.h>
-#include <string.h>
-#include <inttypes.h>
-#include <wchar.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <errno.h>
-#include <termios.h>
-#include <sys/ioctl.h>
-#include <ctype.h>
-#include <sys/wait.h>
-#include <math.h>
-#include <float.h>
#include "syscall.h"
#include "libc.h"
-#define UNGET 4
+#define UNGET 8
-#define FLOCK(f) LOCK(&f->lock)
-#define FUNLOCK(f) UNLOCK(&f->lock)
+#define FFINALLOCK(f) ((f)->lock>=0 ? __lockfile((f)) : 0)
+#define FLOCK(f) int __need_unlock = ((f)->lock>=0 ? __lockfile((f)) : 0)
+#define FUNLOCK(f) do { if (__need_unlock) __unlockfile((f)); } while (0)
#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 __FILE_s {
+struct _IO_FILE {
unsigned flags;
- unsigned char *rpos, *rstop;
- unsigned char *rend, *wend;
- unsigned char *wpos, *wstop;
+ unsigned char *rpos, *rend;
+ int (*close)(FILE *);
+ unsigned char *wend, *wpos;
+ unsigned char *mustbezero_1;
unsigned char *wbase;
- unsigned char *dummy01[3];
+ 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 dummy2;
+ long lockcount;
short dummy3;
- char dummy4;
+ signed char mode;
signed char lbf;
- int lock;
- int lockcount;
- void *owner;
+ volatile int lock;
+ volatile int waiters;
+ void *cookie;
off_t off;
- int (*flush)(FILE *);
- void **wide_data; /* must be NULL */
- size_t (*read)(FILE *, unsigned char *, size_t);
- size_t (*write)(FILE *, const unsigned char *, size_t);
- off_t (*seek)(FILE *, off_t, int);
- int mode;
- int (*close)(FILE *);
+ 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);
-off_t __stdio_seek(FILE *, off_t, int);
-int __stdio_close(FILE *);
+extern hidden FILE *volatile __stdin_used;
+extern hidden FILE *volatile __stdout_used;
+extern hidden FILE *volatile __stderr_used;
-int __overflow(FILE *, int);
-int __oflow(FILE *);
-int __uflow(FILE *);
-int __underflow(FILE *);
+hidden size_t __stdio_read(FILE *, unsigned char *, size_t);
+hidden size_t __stdio_write(FILE *, const unsigned char *, size_t);
+hidden size_t __stdout_write(FILE *, const unsigned char *, size_t);
+hidden off_t __stdio_seek(FILE *, off_t, int);
+hidden int __stdio_close(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 *);
+hidden size_t __string_read(FILE *, unsigned char *, size_t);
-FILE *__fdopen(int, const char *);
+hidden int __toread(FILE *);
+hidden int __towrite(FILE *);
-extern struct ofl
-{
- FILE *head;
- int lock;
-} __ofl;
+hidden void __stdio_exit(void);
+hidden void __stdio_exit_needed(void);
-#define OFLLOCK() LOCK(&__ofl.lock)
-#define OFLUNLOCK() UNLOCK(&__ofl.lock)
-#define ofl_head (__ofl.head)
+#if defined(__PIC__) && (100*__GNUC__+__GNUC_MINOR__ >= 303)
+__attribute__((visibility("protected")))
+#endif
+int __overflow(FILE *, int), __uflow(FILE *);
+
+hidden int __fseeko(FILE *, off_t, int);
+hidden int __fseeko_unlocked(FILE *, off_t, int);
+hidden off_t __ftello(FILE *);
+hidden off_t __ftello_unlocked(FILE *);
+hidden size_t __fwritex(const unsigned char *, size_t, FILE *);
+hidden int __putc_unlocked(int, FILE *);
+
+hidden FILE *__fdopen(int, const char *);
+hidden int __fmodeflags(const char *);
+
+hidden FILE *__ofl_add(FILE *f);
+hidden FILE **__ofl_lock(void);
+hidden void __ofl_unlock(void);
+
+struct __pthread;
+hidden void __register_locked_file(FILE *, struct __pthread *);
+hidden void __unlist_locked_file(FILE *);
+hidden void __do_orphaned_stdio_locks(void);
+
+hidden void __getopt_msg(const char *, const char *, const char *, size_t);
#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 *);
+hidden FILE *__fopen_rb_ca(const char *, FILE *, unsigned char *, size_t);
+hidden int __fclose_ca(FILE *);
#endif