diff options
Diffstat (limited to 'usr/src/lib/libc/inc/stdiom.h')
| -rw-r--r-- | usr/src/lib/libc/inc/stdiom.h | 62 |
1 files changed, 50 insertions, 12 deletions
diff --git a/usr/src/lib/libc/inc/stdiom.h b/usr/src/lib/libc/inc/stdiom.h index 9befb8a3c6..4769231968 100644 --- a/usr/src/lib/libc/inc/stdiom.h +++ b/usr/src/lib/libc/inc/stdiom.h @@ -25,7 +25,11 @@ */ /* Copyright (c) 1988 AT&T */ -/* All Rights Reserved */ +/* All Rights Reserved */ + +/* + * Copyright 2020 Robert Mustacchi + */ /* * stdiom.h - shared guts of stdio @@ -34,8 +38,6 @@ #ifndef _STDIOM_H #define _STDIOM_H -#pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.9 */ - #include <thread.h> #include <synch.h> #include <mtlib.h> @@ -48,11 +50,18 @@ /* * The following flags, and the macros that manipulate them, operate upon * the FILE structure used by stdio. If new flags are required, they should - * be created in this file. The values of the flags must be differnt from + * be created in this file. The values of the flags must be different from * the currently used values. New macros should be created to use the flags * so that the compilation mode dependencies can be isolated here. */ +/* + * The 32-bit version of the stdio FILE has 8 bits for its flags (see + * lib/libc/port/stdio/README.design). These 8 bits are used to determine if the + * FILE structure is allocated. We define '_DEF_FLAG_MASK' as a means to + * indicate this. + */ +#define _DEF_FLAG_MASK 0377 #ifdef _LP64 #define _BYTE_MODE_FLAG 0400 #define _WC_MODE_FLAG 01000 @@ -152,7 +161,7 @@ extern int __flsbuf(int, FILE *); */ #define _realbufend(iop) ((iop)->_end) #else -extern Uchar *_realbufend(FILE *iop); +extern Uchar *_realbufend(FILE *iop); extern rmutex_t *_reallock(FILE *iop); #endif /* _LP64 */ @@ -171,7 +180,7 @@ extern void close_pid(void); /* * Internal routines from flush.c */ -extern int _file_get(FILE *); +extern int _get_fd(FILE *); extern int _file_set(FILE *, int, const char *); /* @@ -180,11 +189,8 @@ extern int _file_set(FILE *, int, const char *); * since 64-bit Solaris is not affected by this. */ #ifdef _LP64 -#define GET_FD(iop) ((iop)->_file) #define SET_FILE(iop, fd) ((iop)->_file = (fd)) #else -#define GET_FD(iop) \ - (((iop)->__extendedfd) ? _file_get(iop) : (iop)->_magic) #define SET_FILE(iop, fd) (iop)->_magic = (fd); (iop)->__extendedfd = 0 #endif @@ -206,7 +212,7 @@ extern int _fileno(FILE *iop); /* * Internal routines from _findbuf.c */ -extern Uchar *_findbuf(FILE *iop); +extern Uchar *_findbuf(FILE *iop); /* * Internal routine used by fopen.c @@ -221,12 +227,12 @@ extern size_t _fwrite_unlocked(const void *, size_t, size_t, FILE *); /* * Internal routine from getc.c */ -int _getc_unlocked(FILE *); +int _getc_internal(FILE *); /* * Internal routine from put.c */ -int _putc_unlocked(int, FILE *); +int _putc_internal(int, FILE *); /* * Internal routine from ungetc.c @@ -260,4 +266,36 @@ extern struct xFILEdata _xftab[]; #endif /* _LP64 */ +/* + * A set of stdio routines to allow us to have alternate read, write, lseek, and + * close implementations. + */ +extern ssize_t _xread(FILE *iop, void *buf, size_t nbytes); +extern ssize_t _xwrite(FILE *iop, const void *buf, size_t nbytes); +extern off_t _xseek(FILE *iop, off_t off, int whence); +extern off64_t _xseek64(FILE *iop, off64_t off, int whence); +extern int _xclose(FILE *iop); +extern void *_xdata(FILE *iop); +extern int _xassoc(FILE *iop, fread_t readf, fwrite_t writef, + fseek_t seekf, fclose_t closef, void *data); +extern void _xunassoc(FILE *iop); + +/* + * Internal functions from _stdio_flags.c. + */ +extern int _stdio_flags(const char *type, int *oflags, int *fflags); + +/* + * Internal functions from open_memstream.c. + */ +extern boolean_t memstream_seek(size_t base, off_t off, size_t max, + size_t *nposp); +extern int memstream_newsize(size_t pos, size_t alloc, size_t nbytes, + size_t *nallocp); + +/* + * Internal function from ftell.o. + */ +extern off64_t ftell_common(FILE *iop); + #endif /* _STDIOM_H */ |