9 #define FFINALLOCK(f) ((f)->lock>=0 ? __lockfile((f)) : 0)
10 #define FLOCK(f) int __need_unlock = ((f)->lock>=0 ? __lockfile((f)) : 0)
11 #define FUNLOCK(f) do { if (__need_unlock) __unlockfile((f)); } while (0)
23 unsigned char *rpos, *rend;
25 unsigned char *wend, *wpos;
26 unsigned char *mustbezero_1;
28 size_t (*read)(FILE *, unsigned char *, size_t);
29 size_t (*write)(FILE *, const unsigned char *, size_t);
30 off_t (*seek)(FILE *, off_t, int);
48 FILE *prev_locked, *next_locked;
49 struct __locale_struct *locale;
52 extern hidden FILE *volatile __stdin_used;
53 extern hidden FILE *volatile __stdout_used;
54 extern hidden FILE *volatile __stderr_used;
56 hidden int __lockfile(FILE *);
57 hidden void __unlockfile(FILE *);
59 hidden size_t __stdio_read(FILE *, unsigned char *, size_t);
60 hidden size_t __stdio_write(FILE *, const unsigned char *, size_t);
61 hidden size_t __stdout_write(FILE *, const unsigned char *, size_t);
62 hidden off_t __stdio_seek(FILE *, off_t, int);
63 hidden int __stdio_close(FILE *);
65 hidden size_t __string_read(FILE *, unsigned char *, size_t);
67 hidden int __toread(FILE *);
68 hidden int __towrite(FILE *);
70 hidden void __stdio_exit(void);
71 hidden void __stdio_exit_needed(void);
73 #if defined(__PIC__) && (100*__GNUC__+__GNUC_MINOR__ >= 303)
74 __attribute__((visibility("protected")))
76 int __overflow(FILE *, int), __uflow(FILE *);
78 hidden int __fseeko(FILE *, off_t, int);
79 hidden int __fseeko_unlocked(FILE *, off_t, int);
80 hidden off_t __ftello(FILE *);
81 hidden off_t __ftello_unlocked(FILE *);
82 hidden size_t __fwritex(const unsigned char *, size_t, FILE *);
83 hidden int __putc_unlocked(int, FILE *);
85 hidden FILE *__fdopen(int, const char *);
86 hidden int __fmodeflags(const char *);
88 hidden FILE *__ofl_add(FILE *f);
89 hidden FILE **__ofl_lock(void);
90 hidden void __ofl_unlock(void);
93 hidden void __register_locked_file(FILE *, struct __pthread *);
94 hidden void __unlist_locked_file(FILE *);
95 hidden void __do_orphaned_stdio_locks(void);
97 #define MAYBE_WAITERS 0x40000000
99 hidden void __getopt_msg(const char *, const char *, const char *, size_t);
101 #define feof(f) ((f)->flags & F_EOF)
102 #define ferror(f) ((f)->flags & F_ERR)
104 #define getc_unlocked(f) \
105 ( ((f)->rpos != (f)->rend) ? *(f)->rpos++ : __uflow((f)) )
107 #define putc_unlocked(c, f) \
108 ( ((unsigned char)(c)!=(f)->lbf && (f)->wpos!=(f)->wend) \
109 ? *(f)->wpos++ = (c) : __overflow((f),(c)) )
111 /* Caller-allocated FILE * operations */
112 hidden FILE *__fopen_rb_ca(const char *, FILE *, unsigned char *, size_t);
113 hidden int __fclose_ca(FILE *);