diff options
| -rw-r--r-- | ChangeLog | 38 | ||||
| -rw-r--r-- | bits/stdio-lock.h | 46 | ||||
| -rw-r--r-- | hurd/vpprintf.c | 26 | ||||
| -rw-r--r-- | libio/iofopncook.c | 48 | ||||
| -rw-r--r-- | libio/libio.h | 8 | ||||
| -rw-r--r-- | mach/devstream.c | 239 | ||||
| -rw-r--r-- | sysdeps/generic/bits/stdio-lock.h | 46 |
7 files changed, 239 insertions, 212 deletions
@@ -1,15 +1,41 @@ +2000-03-10 Roland McGrath <roland@baalperazim.frob.com> + + * mach/devstream.c (devstream_write, devstream_read): New functions. + (input, output): Functions removed. + (mach_open_devstream): Use devstream_{read,write} as cookie functions, + using only the vanilla fopencookie interface. + + * hurd/fopenport.c [! USE_IN_LIBIO] (cookie_io_functions_t): Define + as macro for __io_functions. + (funcsio): Use cookie_io_functions_t type name. + (fopenport): Renamed from __fopenport. Rewrite to call fopencookie. + + * libio/iofopncook.c (_IO_cookie_init): New function, broken out of + fopencookie. + (fopencookie): Use it. + * libio/libio.h: Declare _IO_cookie_init. + * hurd/vpprintf.c (vpprintf) [USE_IN_LIBIO]: Implement using + _IO_cookie_init. + + * libio/libio.h (__io_seek_fn): Fix second argument type + to be a pointer, in line with the manual and the old stdio. + * libio/iofopncook.c (_IO_cookie_seek): Fix (sole) caller. + + * sysdeps/generic/bits/stdio-lock.h: New file. + This is a stub with #error, but that's better than no file at all. + 2000-03-09 Martin Buchholz <martin@xemacs.org> - * sysdeps/unix/sysv/linux/alpha/syscall.S: - * manual/message.texi (Using gettextized software): + * sysdeps/unix/sysv/linux/alpha/syscall.S: + * manual/message.texi (Using gettextized software): * manual/message.texi (Message Translation): Doc Fixes. - * manual/filesys.texi (File Size): - * manual/charset.texi (glibc iconv Implementation): - * locale/programs/ld-collate.c (collate_output): + * manual/filesys.texi (File Size): + * manual/charset.texi (glibc iconv Implementation): + * locale/programs/ld-collate.c (collate_output): * iconv/gconv_db.c (find_derivation): * manual/install.texi: * manual/search.texi (Hash Search Function): - * manual/stdio.texi (Output Conversion Syntax): + * manual/stdio.texi (Output Conversion Syntax): * FAQ.in: * config.h.in: * sysdeps/generic/dl-sysdep.c: diff --git a/bits/stdio-lock.h b/bits/stdio-lock.h new file mode 100644 index 0000000..39d5b0b --- /dev/null +++ b/bits/stdio-lock.h @@ -0,0 +1,46 @@ +/* Thread package specific definitions of stream lock type. Stub version. + Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _BITS_STDIO_LOCK_H +#define _BITS_STDIO_LOCK_H 1 + +#include <bits/libc-lock.h> + +__libc_lock_define (typedef, _IO_lock_t) + +/* We need recursive (counting) mutexes. */ +#define _IO_lock_initializer STUB_LOSER +#error libio needs recursive mutexes for _IO_MTSAFE_IO + + +#define _IO_cleanup_region_start(_fct, _fp) \ + __libc_cleanup_region_start (_fct, _fp) +#define _IO_cleanup_region_end(_doit) \ + __libc_cleanup_region_end (_doit) +#define _IO_lock_init(_name) \ + __libc_lock_init_recursive (_name) +#define _IO_lock_fini(_name) \ + __libc_lock_fini_recursive (_name) +#define _IO_lock_lock(_name) \ + __libc_lock_lock (_name) +#define _IO_lock_unlock(_name) \ + __libc_lock_unlock (_name) + + +#endif /* bits/stdio-lock.h */ diff --git a/hurd/vpprintf.c b/hurd/vpprintf.c index fe52177..b713a06 100644 --- a/hurd/vpprintf.c +++ b/hurd/vpprintf.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1994, 1997 Free Software Foundation, Inc. +/* Copyright (C) 1991,94,97,2000 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -33,7 +33,6 @@ pwrite (void *cookie, return n; } - /* Write formatted output to PORT, a Mach port supporting the i/o protocol, according to the format string FORMAT, using the argument list in ARG. */ int @@ -42,6 +41,27 @@ vpprintf (io_t port, va_list arg) { int done; + +#ifdef USE_IN_LIBIO + + struct locked_FILE + { + struct _IO_cookie_file cfile; +#ifdef _IO_MTSAFE_IO + _IO_lock_t lock; +#endif + } temp_f; +#ifdef _IO_MTSAFE_IO + temp_f.cfile.__file._lock = &temp_f.lock; +#endif + + _IO_cookie_init (&temp_f.cfile, _IO_NO_READS, + (void *) port, (cookie_io_functions_t) { write: pwrite }); + + done = _IO_vfprintf (&temp_f.cfile.__file, format, arg); + +#else + FILE f; /* Create an unbuffered stream talking to PORT on the stack. */ @@ -57,5 +77,7 @@ vpprintf (io_t port, /* vfprintf will use a buffer on the stack for the life of the call. */ done = vfprintf (&f, format, arg); +#endif + return done; } diff --git a/libio/iofopncook.c b/libio/iofopncook.c index 7b76826..56f2239 100644 --- a/libio/iofopncook.c +++ b/libio/iofopncook.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1993, 1995, 1997, 1999 Free Software Foundation, Inc. +/* Copyright (C) 1993,95,97,99,2000 Free Software Foundation, Inc. This file is part of the GNU IO Library. This library is free software; you can redistribute it and/or @@ -74,10 +74,9 @@ _IO_cookie_seek (fp, offset, dir) { struct _IO_cookie_file *cfile = (struct _IO_cookie_file *) fp; - if (cfile->__io_functions.seek == NULL) - return _IO_pos_BAD; - - return cfile->__io_functions.seek (cfile->__cookie, offset, dir); + return ((cfile->__io_functions.seek == NULL + || cfile->__io_functions.seek (cfile->__cookie, &offset, dir)) + ? _IO_pos_BAD : offset); } static int @@ -117,6 +116,29 @@ static struct _IO_jump_t _IO_cookie_jumps = { }; +void +_IO_cookie_init (struct _IO_cookie_file *cfile, int read_write, + void *cookie, _IO_cookie_io_functions_t io_functions) +{ + _IO_init (&cfile->__file, 0); + _IO_JUMPS (&cfile->__file) = &_IO_cookie_jumps; + + cfile->__cookie = cookie; + cfile->__io_functions = io_functions; + + _IO_file_init(&cfile->__file); + + cfile->__file._IO_file_flags = + _IO_mask_flags (&cfile->__file, read_write, + _IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING); + + /* We use a negative number different from -1 for _fileno to mark that + this special stream is not associated with a real file, but still has + to be treated as such. */ + cfile->__file._fileno = -2; +} + + _IO_FILE * fopencookie (cookie, mode, io_functions) void *cookie; @@ -156,21 +178,7 @@ fopencookie (cookie, mode, io_functions) new_f->cfile.__file._lock = &new_f->lock; #endif - _IO_init (&new_f->cfile.__file, 0); - _IO_JUMPS (&new_f->cfile.__file) = &_IO_cookie_jumps; - new_f->cfile.__cookie = cookie; - new_f->cfile.__io_functions = io_functions; - - _IO_file_init(&new_f->cfile.__file); - - new_f->cfile.__file._IO_file_flags = - _IO_mask_flags (&new_f->cfile.__file, read_write, - _IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING); - - /* We use a negative number different from -1 for _fileno to mark that - this special stream is not associated with a real file, but still has - to be treated as such. */ - new_f->cfile.__file._fileno = -2; + _IO_cookie_init (&new_f->cfile, read_write, cookie, io_functions); return &new_f->cfile.__file; } diff --git a/libio/libio.h b/libio/libio.h index c8f93ac..8fdc55a 100644 --- a/libio/libio.h +++ b/libio/libio.h @@ -1,4 +1,4 @@ -/* Copyright (C) 1991,92,93,94,95,97,98,99 Free Software Foundation, Inc. +/* Copyright (C) 1991,92,93,94,95,97,98,99,2000 Free Software Foundation, Inc. This file is part of the GNU IO Library. Written by Per Bothner <bothner@cygnus.com>. @@ -346,7 +346,7 @@ typedef __ssize_t __io_write_fn (void *__cookie, __const char *__buf, or the end of the file (if W is SEEK_END). Set *POS to the new file position. Returns zero if successful, nonzero if not. */ -typedef int __io_seek_fn (void *__cookie, _IO_off_t __pos, int __w); +typedef int __io_seek_fn (void *__cookie, _IO_off64_t *__pos, int __w); /* Close COOKIE. */ typedef int __io_close_fn (void *__cookie); @@ -377,6 +377,10 @@ struct _IO_cookie_file void *__cookie; _IO_cookie_io_functions_t __io_functions; }; + +/* Initialize one of those. */ +extern void _IO_cookie_init (struct _IO_cookie_file *__cfile, int __read_write, + void *__cookie, _IO_cookie_io_functions_t __fns); #endif diff --git a/mach/devstream.c b/mach/devstream.c index b54dcff..e3393c0 100644 --- a/mach/devstream.c +++ b/mach/devstream.c @@ -1,6 +1,6 @@ /* stdio on a Mach device port. Translates \n to \r\n on output, echos and translates \r to \n on input. - Copyright (C) 1992, 1993, 1994, 1996, 1997 Free Software Foundation, Inc. + Copyright (C) 1992,93,94,96,97,2000 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -24,126 +24,13 @@ #include <errno.h> #include <string.h> -static int -input (FILE *f) -{ - kern_return_t err; - char *buffer; - size_t to_read; - mach_msg_type_number_t nread; - char c; - - if (f->__buffer == NULL) - { - buffer = &c; - to_read = 1; - } - else - { - buffer = f->__buffer; - to_read = f->__bufsize; - } - - f->__eof = 0; - - nread = to_read; - err = device_read_inband ((device_t) f->__cookie, 0, f->__target, - to_read, buffer, &nread); - - if (err) - { - f->__error = 1; - f->__bufp = f->__get_limit = f->__put_limit = f->__buffer; - errno = err; - return EOF; - } - - /* Echo it back. */ - err = device_write_inband ((device_t) f->__cookie, 0, f->__target, - buffer, nread, (int *) &to_read); - - /* Translate LF to CR. */ - { - char *p; - for (p = memchr (buffer, '\r', nread); p; - p = memchr (p + 1, '\r', (buffer + nread) - (p + 1))) - *p = '\n'; - } - - if (f->__buffer == NULL) - return (unsigned char) c; - - f->__get_limit = f->__buffer + nread; - f->__bufp = f->__buffer; - f->__put_limit = f->__buffer + (f->__mode.__write ? f->__bufsize : 0); - return (unsigned char) *f->__bufp++; -} - -#if 0 -static void -output (FILE *f, int c) +static ssize_t +devstream_write (void *cookie, const char *buffer, size_t n) { - inline void write_some (const char *p, size_t to_write) - { - kern_return_t err; - int wrote; - while (to_write > 0) - { - if (err = device_write ((device_t) f->__cookie, 0, - f->__target, (char *)p, - to_write, &wrote)) - { - errno = err; - f->__error = 1; - break; - } - p += wrote; - to_write -= wrote; - f->__target += wrote; - } - } - - if (f->__buffer != NULL) - { - if (f->__put_limit == f->__buffer) - { - /* Prime the stream for writing. */ - f->__put_limit = f->__buffer + f->__bufsize; - f->__bufp = f->__buffer; - if (c != EOF) - { - *f->__bufp++ = (unsigned char) c; - c = EOF; - } - } - - - /* Write out the buffer. */ - - write_some (f->__buffer, f->__bufp - f->__buffer); - - f->__bufp = f->__buffer; - } - - if (c != EOF && !ferror (f)) - { - if (f->__linebuf && (unsigned char) c == '\n') - { - static const char nl = '\n'; - write_some (&nl, 1); - } - else - *f->__bufp++ = (unsigned char) c; - } -} -#endif - + const device_t dev = (device_t) cookie; -static void -output (FILE *f, int c) -{ - void write_some (const char *p, size_t to_write) + int write_some (const char *p, size_t to_write) { kern_return_t err; int wrote; @@ -155,85 +42,71 @@ output (FILE *f, int c) if (thiswrite > IO_INBAND_MAX) thiswrite = IO_INBAND_MAX; - if (err = device_write_inband ((device_t) f->__cookie, 0, - f->__target, p, thiswrite, &wrote)) + if (err = device_write_inband (dev, 0, 0, p, thiswrite, &wrote)) { errno = err; - f->__error = 1; - break; + return 0; } p += wrote; to_write -= wrote; - f->__target += wrote; } + return 1; } - void write_crlf (void) + int write_crlf (void) { static const char crlf[] = "\r\n"; - write_some (crlf, 2); + return write_some (crlf, 2); } - if (f->__buffer == NULL) - { - /* The stream is unbuffered. */ + /* Search for newlines (LFs) in the buffer. */ - if (c == '\n') - write_crlf (); - else if (c != EOF) - { - char cc = (unsigned char) c; - write_some (&cc, 1); - } - - return; - } - - if (f->__put_limit == f->__buffer) + const char *start = buffer, *p; + while ((p = memchr (start, '\n', n)) != NULL) { - /* Prime the stream for writing. */ - f->__put_limit = f->__buffer + f->__bufsize; - f->__bufp = f->__buffer; - if (c != EOF) - { - *f->__bufp++ = (unsigned char) c; - c = EOF; - } - } - - { - /* Search for newlines (LFs) in the buffer. */ + /* Found one. Write out through the preceding character, + and then write a CR/LF pair. */ - char *start = f->__buffer, *p = start; + if ((p > start && !write_some (start, p - start)) + || !write_crlf ()) + return (start - buffer) ?: -1; - while (!ferror (f) && (p = memchr (p, '\n', f->__bufp - start))) - { - /* Found one. Replace it with a CR and write out through that CR. */ + n -= p + 1 - start; + start = p + 1; + } - *p = '\r'; - write_some (start, p + 1 - start); + /* Write the remainder of the buffer. */ + if (write_some (start, n)) + start += n; + return (start - buffer) ?: -1; +} - /* Change it back to an LF; the next iteration will write it out - first thing. Start the next searching iteration one char later. */ +static ssize_t +devstream_read (void *cookie, char *buffer, size_t to_read) +{ + const device_t dev = (device_t) cookie; - start = p; - *p++ = '\n'; - } + kern_return_t err; + mach_msg_type_number_t nread = to_read; - /* Write the remainder of the buffer. */ + err = device_read_inband (dev, 0, 0, to_read, buffer, &nread); + if (err) + { + errno = err; + return -1; + } - if (!ferror (f)) - write_some (start, f->__bufp - start); + /* Translate CR to LF. */ + { + char *p; + for (p = memchr (buffer, '\r', nread); p; + p = memchr (p + 1, '\r', (buffer + nread) - (p + 1))) + *p = '\n'; } - f->__bufp = f->__buffer; + /* Echo back what we read. */ + (void) devstream_write (cookie, buffer, nread); - if (c != EOF && !ferror (f)) - { - if (f->__linebuf && (unsigned char) c == '\n') - write_crlf (); - else - *f->__bufp++ = (unsigned char) c; - } + return nread; } static int @@ -247,6 +120,12 @@ dealloc_ref (void *cookie) return 0; } +#ifndef USE_IN_LIBIO +#define cookie_io_functions_t __io_functions +#define write __write +#define read __read +#define close __close +#endif FILE * mach_open_devstream (mach_port_t dev, const char *mode) @@ -259,19 +138,15 @@ mach_open_devstream (mach_port_t dev, const char *mode) return NULL; } - stream = fopencookie ((void *) dev, mode, __default_io_functions); + stream = fopencookie ((void *) dev, mode, + (cookie_io_functions_t) { write: devstream_write, + read: devstream_read, + close: dealloc_ref }); if (stream == NULL) { mach_port_deallocate (mach_task_self (), dev); return NULL; } - stream->__room_funcs.__input = input; - stream->__room_funcs.__output = output; - stream->__io_funcs.__close = dealloc_ref; - stream->__io_funcs.__seek = NULL; /* Cannot seek. */ - stream->__io_funcs.__fileno = NULL; /* No corresponding POSIX.1 fd. */ - stream->__seen = 1; - return stream; } diff --git a/sysdeps/generic/bits/stdio-lock.h b/sysdeps/generic/bits/stdio-lock.h new file mode 100644 index 0000000..39d5b0b --- /dev/null +++ b/sysdeps/generic/bits/stdio-lock.h @@ -0,0 +1,46 @@ +/* Thread package specific definitions of stream lock type. Stub version. + Copyright (C) 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _BITS_STDIO_LOCK_H +#define _BITS_STDIO_LOCK_H 1 + +#include <bits/libc-lock.h> + +__libc_lock_define (typedef, _IO_lock_t) + +/* We need recursive (counting) mutexes. */ +#define _IO_lock_initializer STUB_LOSER +#error libio needs recursive mutexes for _IO_MTSAFE_IO + + +#define _IO_cleanup_region_start(_fct, _fp) \ + __libc_cleanup_region_start (_fct, _fp) +#define _IO_cleanup_region_end(_doit) \ + __libc_cleanup_region_end (_doit) +#define _IO_lock_init(_name) \ + __libc_lock_init_recursive (_name) +#define _IO_lock_fini(_name) \ + __libc_lock_fini_recursive (_name) +#define _IO_lock_lock(_name) \ + __libc_lock_lock (_name) +#define _IO_lock_unlock(_name) \ + __libc_lock_unlock (_name) + + +#endif /* bits/stdio-lock.h */ |