getaddrinfo: add EAI_NODATA error code to distinguish NODATA vs NxDomain

[musl] / src / internal / stdio_impl.h

diff --git a/src/internal/stdio_impl.h b/src/internal/stdio_impl.h
index b977df6..0b2438d 100644 (file)
--- a/src/internal/stdio_impl.h
+++ b/src/internal/stdio_impl.h
@@ -2,93 +2,111 @@
 #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) ((libc.lockfile && (f)->lock>=0) ? (libc.lockfile((f)),0) : 0)
-#define FUNLOCK(f) ((f)->lockcount && (--(f)->lockcount || ((f)->lock=0)))
+#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;
-       short dummy3;
-       char dummy4;
-       signed char lbf;
-       int lock;
-       int lockcount;
+       long lockcount;
+       int mode;
+       volatile int lock;
+       int lbf;
        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 int __lockfile(FILE *);
+hidden void __unlockfile(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 __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 *);
 
-FILE *__fdopen(int, const char *);
+hidden int __toread(FILE *);
+hidden int __towrite(FILE *);
 
-#define OFLLOCK() LOCK(&libc.ofl_lock)
-#define OFLUNLOCK() UNLOCK(&libc.ofl_lock)
-#define ofl_head (libc.ofl_head)
+hidden void __stdio_exit(void);
+hidden void __stdio_exit_needed(void);
+
+#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);
+
+#define MAYBE_WAITERS 0x40000000
+
+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++ = (unsigned char)(c) \
+       : __overflow((f),(unsigned char)(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