X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Finternal%2Fstdio_impl.h;h=0b2438d613fe9d65c9f124358cbc7a8ca4a3cbc6;hb=d32dadd60efb9d3b255351a3b532f8e4c3dd0db1;hp=c5f45eb1eed42df486fbe1c3bd29e7fb7a0df524;hpb=dba68bf98fc708cea4c478278c889fc7ad802b00;p=musl diff --git a/src/internal/stdio_impl.h b/src/internal/stdio_impl.h index c5f45eb1..0b2438d6 100644 --- a/src/internal/stdio_impl.h +++ b/src/internal/stdio_impl.h @@ -2,30 +2,13 @@ #define _STDIO_IMPL_H #include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include #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 FUNLOCK(f) do { if (__need_unlock) __unlockfile((f)); } while (0) #define F_PERM 1 #define F_NORD 4 @@ -33,8 +16,9 @@ #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, *rend; int (*close)(FILE *); @@ -50,54 +34,79 @@ struct __FILE_s { int fd; int pipe_pid; long lockcount; - short dummy3; - signed char mode; - signed char lbf; - int lock; - int waiters; + int mode; + volatile int lock; + int lbf; void *cookie; off_t off; - int (*flush)(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); -size_t __stdout_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 __toread(FILE *); -int __towrite(FILE *); +hidden int __lockfile(FILE *); +hidden void __unlockfile(FILE *); -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 int __toread(FILE *); +hidden int __towrite(FILE *); -FILE *__fdopen(int, const char *); +hidden void __stdio_exit(void); +hidden void __stdio_exit_needed(void); -#define OFLLOCK() LOCK(&libc.ofl_lock) -#define OFLUNLOCK() UNLOCK(&libc.ofl_lock) +#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)) ) + ( ((f)->rpos != (f)->rend) ? *(f)->rpos++ : __uflow((f)) ) -#define putc_unlocked(c, f) ( ((c)!=(f)->lbf && (f)->wpos<(f)->wend) \ - ? *(f)->wpos++ = (c) : __overflow((f),(c)) ) +#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