X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Finternal%2Fstdio_impl.h;h=af7aacc839133021ebd2d43c6ac5f536f536573c;hp=b977df6829013714e1bb52e753ade4f9abadc12f;hb=18efeb320b763e541a7dbf61a7da1cbe13ab2be9;hpb=a37452430f93700aeb122d693959ad79d8e43ada diff --git a/src/internal/stdio_impl.h b/src/internal/stdio_impl.h index b977df68..af7aacc8 100644 --- a/src/internal/stdio_impl.h +++ b/src/internal/stdio_impl.h @@ -18,54 +18,62 @@ #include #include #include +#include #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 FLOCK(f) int __need_unlock = ((f)->lock>=0 ? __lockfile((f)) : 0) +#define FUNLOCK(f) if (__need_unlock) __unlockfile((f)); else #define F_PERM 1 #define F_NORD 4 #define F_NOWR 8 #define F_EOF 16 #define F_ERR 32 +#define F_SVB 64 struct __FILE_s { 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; + 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 *); + void *mustbezero_2; + unsigned char *shend; + off_t shlim, shcnt; }; 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 *); +size_t __string_read(FILE *, unsigned char *, size_t); + +int __toread(FILE *); +int __towrite(FILE *); + int __overflow(FILE *, int); int __oflow(FILE *); int __uflow(FILE *); @@ -82,11 +90,16 @@ FILE *__fdopen(int, const char *); #define OFLLOCK() LOCK(&libc.ofl_lock) #define OFLUNLOCK() UNLOCK(&libc.ofl_lock) -#define ofl_head (libc.ofl_head) #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) ( ((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 *);