X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Finternal%2Fstdio_impl.h;h=44497344971821c326a511ccb5687d9463730b61;hb=a21a6092cfc0c7e7cb8c0273e5f94d54c0e0eabd;hp=13e5cfd9019c946057450a5481f898121c579a67;hpb=5eb0d33ec0f08b123c5c10877d6258d05fa9453a;p=musl diff --git a/src/internal/stdio_impl.h b/src/internal/stdio_impl.h index 13e5cfd9..44497344 100644 --- a/src/internal/stdio_impl.h +++ b/src/internal/stdio_impl.h @@ -2,94 +2,114 @@ #define _STDIO_IMPL_H #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 4 +#define UNGET 8 -#define FLOCK(f) ((libc.lockfile && (f)->owner>=0) ? (libc.lockfile((f)),0) : 0) -#define FUNLOCK(f) ((f)->lockcount && (--(f)->lockcount || ((f)->owner=(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; + long lockcount; short dummy3; - char dummy4; + signed char mode; signed char lbf; - int lock; - int lockcount; - void *dummy5; + 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 *); - int owner; + 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 size_t __string_read(FILE *, unsigned char *, size_t); -#define OFLLOCK() LOCK(&libc.ofl_lock) -#define OFLUNLOCK() UNLOCK(&libc.ofl_lock) -#define ofl_head (libc.ofl_head) +hidden int __toread(FILE *); +hidden int __towrite(FILE *); + +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++ = (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