| /* UI_FILE - a generic STDIO like output stream. |
| |
| Copyright (C) 1999-2016 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program 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 General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| /* Implement the ``struct ui_file'' object. */ |
| |
| #include "defs.h" |
| #include "ui-file.h" |
| #include "gdb_obstack.h" |
| #include "gdb_select.h" |
| #include "filestuff.h" |
| |
| static ui_file_isatty_ftype null_file_isatty; |
| static ui_file_write_ftype null_file_write; |
| static ui_file_write_ftype null_file_write_async_safe; |
| static ui_file_fputs_ftype null_file_fputs; |
| static ui_file_read_ftype null_file_read; |
| static ui_file_flush_ftype null_file_flush; |
| static ui_file_delete_ftype null_file_delete; |
| static ui_file_rewind_ftype null_file_rewind; |
| static ui_file_put_ftype null_file_put; |
| static ui_file_fseek_ftype null_file_fseek; |
| |
| struct ui_file |
| { |
| int *magic; |
| ui_file_flush_ftype *to_flush; |
| ui_file_write_ftype *to_write; |
| ui_file_write_async_safe_ftype *to_write_async_safe; |
| ui_file_fputs_ftype *to_fputs; |
| ui_file_read_ftype *to_read; |
| ui_file_delete_ftype *to_delete; |
| ui_file_isatty_ftype *to_isatty; |
| ui_file_rewind_ftype *to_rewind; |
| ui_file_put_ftype *to_put; |
| ui_file_fseek_ftype *to_fseek; |
| void *to_data; |
| }; |
| int ui_file_magic; |
| |
| struct ui_file * |
| ui_file_new (void) |
| { |
| struct ui_file *file = XNEW (struct ui_file); |
| |
| file->magic = &ui_file_magic; |
| set_ui_file_data (file, NULL, null_file_delete); |
| set_ui_file_flush (file, null_file_flush); |
| set_ui_file_write (file, null_file_write); |
| set_ui_file_write_async_safe (file, null_file_write_async_safe); |
| set_ui_file_fputs (file, null_file_fputs); |
| set_ui_file_read (file, null_file_read); |
| set_ui_file_isatty (file, null_file_isatty); |
| set_ui_file_rewind (file, null_file_rewind); |
| set_ui_file_put (file, null_file_put); |
| set_ui_file_fseek (file, null_file_fseek); |
| return file; |
| } |
| |
| void |
| ui_file_delete (struct ui_file *file) |
| { |
| file->to_delete (file); |
| xfree (file); |
| } |
| |
| static int |
| null_file_isatty (struct ui_file *file) |
| { |
| return 0; |
| } |
| |
| static void |
| null_file_rewind (struct ui_file *file) |
| { |
| return; |
| } |
| |
| static void |
| null_file_put (struct ui_file *file, |
| ui_file_put_method_ftype *write, |
| void *dest) |
| { |
| return; |
| } |
| |
| static void |
| null_file_flush (struct ui_file *file) |
| { |
| return; |
| } |
| |
| static void |
| null_file_write (struct ui_file *file, |
| const char *buf, |
| long sizeof_buf) |
| { |
| if (file->to_fputs == null_file_fputs) |
| /* Both the write and fputs methods are null. Discard the |
| request. */ |
| return; |
| else |
| { |
| /* The fputs method isn't null, slowly pass the write request |
| onto that. FYI, this isn't as bad as it may look - the |
| current (as of 1999-11-07) printf_* function calls fputc and |
| fputc does exactly the below. By having a write function it |
| is possible to clean up that code. */ |
| int i; |
| char b[2]; |
| |
| b[1] = '\0'; |
| for (i = 0; i < sizeof_buf; i++) |
| { |
| b[0] = buf[i]; |
| file->to_fputs (b, file); |
| } |
| return; |
| } |
| } |
| |
| static long |
| null_file_read (struct ui_file *file, |
| char *buf, |
| long sizeof_buf) |
| { |
| errno = EBADF; |
| return 0; |
| } |
| |
| static void |
| null_file_fputs (const char *buf, struct ui_file *file) |
| { |
| if (file->to_write == null_file_write) |
| /* Both the write and fputs methods are null. Discard the |
| request. */ |
| return; |
| else |
| { |
| /* The write method was implemented, use that. */ |
| file->to_write (file, buf, strlen (buf)); |
| } |
| } |
| |
| static void |
| null_file_write_async_safe (struct ui_file *file, |
| const char *buf, |
| long sizeof_buf) |
| { |
| return; |
| } |
| |
| static void |
| null_file_delete (struct ui_file *file) |
| { |
| return; |
| } |
| |
| static int |
| null_file_fseek (struct ui_file *stream, long offset, int whence) |
| { |
| errno = EBADF; |
| |
| return -1; |
| } |
| |
| void * |
| ui_file_data (struct ui_file *file) |
| { |
| if (file->magic != &ui_file_magic) |
| internal_error (__FILE__, __LINE__, |
| _("ui_file_data: bad magic number")); |
| return file->to_data; |
| } |
| |
| void |
| gdb_flush (struct ui_file *file) |
| { |
| file->to_flush (file); |
| } |
| |
| int |
| ui_file_isatty (struct ui_file *file) |
| { |
| return file->to_isatty (file); |
| } |
| |
| void |
| ui_file_rewind (struct ui_file *file) |
| { |
| file->to_rewind (file); |
| } |
| |
| void |
| ui_file_put (struct ui_file *file, |
| ui_file_put_method_ftype *write, |
| void *dest) |
| { |
| file->to_put (file, write, dest); |
| } |
| |
| void |
| ui_file_write (struct ui_file *file, |
| const char *buf, |
| long length_buf) |
| { |
| file->to_write (file, buf, length_buf); |
| } |
| |
| void |
| ui_file_write_for_put (void *data, const char *buffer, long length_buffer) |
| { |
| ui_file_write ((struct ui_file *) data, buffer, length_buffer); |
| } |
| |
| void |
| ui_file_write_async_safe (struct ui_file *file, |
| const char *buf, |
| long length_buf) |
| { |
| file->to_write_async_safe (file, buf, length_buf); |
| } |
| |
| long |
| ui_file_read (struct ui_file *file, char *buf, long length_buf) |
| { |
| return file->to_read (file, buf, length_buf); |
| } |
| |
| int |
| ui_file_fseek (struct ui_file *file, long offset, int whence) |
| { |
| return file->to_fseek (file, offset, whence); |
| } |
| |
| void |
| fputs_unfiltered (const char *buf, struct ui_file *file) |
| { |
| file->to_fputs (buf, file); |
| } |
| |
| void |
| set_ui_file_flush (struct ui_file *file, ui_file_flush_ftype *flush_ptr) |
| { |
| file->to_flush = flush_ptr; |
| } |
| |
| void |
| set_ui_file_isatty (struct ui_file *file, ui_file_isatty_ftype *isatty_ptr) |
| { |
| file->to_isatty = isatty_ptr; |
| } |
| |
| void |
| set_ui_file_rewind (struct ui_file *file, ui_file_rewind_ftype *rewind_ptr) |
| { |
| file->to_rewind = rewind_ptr; |
| } |
| |
| void |
| set_ui_file_put (struct ui_file *file, ui_file_put_ftype *put_ptr) |
| { |
| file->to_put = put_ptr; |
| } |
| |
| void |
| set_ui_file_write (struct ui_file *file, |
| ui_file_write_ftype *write_ptr) |
| { |
| file->to_write = write_ptr; |
| } |
| |
| void |
| set_ui_file_write_async_safe (struct ui_file *file, |
| ui_file_write_async_safe_ftype *write_async_safe_ptr) |
| { |
| file->to_write_async_safe = write_async_safe_ptr; |
| } |
| |
| void |
| set_ui_file_read (struct ui_file *file, ui_file_read_ftype *read_ptr) |
| { |
| file->to_read = read_ptr; |
| } |
| |
| void |
| set_ui_file_fputs (struct ui_file *file, ui_file_fputs_ftype *fputs_ptr) |
| { |
| file->to_fputs = fputs_ptr; |
| } |
| |
| void |
| set_ui_file_fseek (struct ui_file *file, ui_file_fseek_ftype *fseek_ptr) |
| { |
| file->to_fseek = fseek_ptr; |
| } |
| |
| void |
| set_ui_file_data (struct ui_file *file, void *data, |
| ui_file_delete_ftype *delete_ptr) |
| { |
| file->to_data = data; |
| file->to_delete = delete_ptr; |
| } |
| |
| /* ui_file utility function for converting a ``struct ui_file'' into |
| a memory buffer. */ |
| |
| struct accumulated_ui_file |
| { |
| char *buffer; |
| long length; |
| }; |
| |
| static void |
| do_ui_file_xstrdup (void *context, const char *buffer, long length) |
| { |
| struct accumulated_ui_file *acc = (struct accumulated_ui_file *) context; |
| |
| if (acc->buffer == NULL) |
| acc->buffer = (char *) xmalloc (length + 1); |
| else |
| acc->buffer = (char *) xrealloc (acc->buffer, acc->length + length + 1); |
| memcpy (acc->buffer + acc->length, buffer, length); |
| acc->length += length; |
| acc->buffer[acc->length] = '\0'; |
| } |
| |
| char * |
| ui_file_xstrdup (struct ui_file *file, long *length) |
| { |
| struct accumulated_ui_file acc; |
| |
| acc.buffer = NULL; |
| acc.length = 0; |
| ui_file_put (file, do_ui_file_xstrdup, &acc); |
| if (acc.buffer == NULL) |
| acc.buffer = xstrdup (""); |
| if (length != NULL) |
| *length = acc.length; |
| return acc.buffer; |
| } |
| |
| /* ui_file utility function for converting a ``struct ui_file'' into a |
| std:string. */ |
| |
| static void |
| do_ui_file_as_string (void *context, const char *buffer, long length) |
| { |
| std::string *str = (std::string *) context; |
| |
| *str = std::string (buffer, length); |
| } |
| |
| /* See ui-file.h. */ |
| |
| std::string |
| ui_file_as_string (struct ui_file *file) |
| { |
| std::string str; |
| |
| ui_file_put (file, do_ui_file_as_string, &str); |
| return str; |
| } |
| |
| static void |
| do_ui_file_obsavestring (void *context, const char *buffer, long length) |
| { |
| struct obstack *obstack = (struct obstack *) context; |
| |
| obstack_grow (obstack, buffer, length); |
| } |
| |
| char * |
| ui_file_obsavestring (struct ui_file *file, struct obstack *obstack, |
| long *length) |
| { |
| ui_file_put (file, do_ui_file_obsavestring, obstack); |
| *length = obstack_object_size (obstack); |
| obstack_1grow (obstack, '\0'); |
| return (char *) obstack_finish (obstack); |
| } |
| |
| /* A pure memory based ``struct ui_file'' that can be used an output |
| buffer. The buffers accumulated contents are available via |
| ui_file_put(). */ |
| |
| struct mem_file |
| { |
| int *magic; |
| char *buffer; |
| int sizeof_buffer; |
| int length_buffer; |
| }; |
| |
| static ui_file_rewind_ftype mem_file_rewind; |
| static ui_file_put_ftype mem_file_put; |
| static ui_file_write_ftype mem_file_write; |
| static ui_file_delete_ftype mem_file_delete; |
| static struct ui_file *mem_file_new (void); |
| static int mem_file_magic; |
| |
| static struct ui_file * |
| mem_file_new (void) |
| { |
| struct mem_file *stream = XNEW (struct mem_file); |
| struct ui_file *file = ui_file_new (); |
| |
| set_ui_file_data (file, stream, mem_file_delete); |
| set_ui_file_rewind (file, mem_file_rewind); |
| set_ui_file_put (file, mem_file_put); |
| set_ui_file_write (file, mem_file_write); |
| stream->magic = &mem_file_magic; |
| stream->buffer = NULL; |
| stream->sizeof_buffer = 0; |
| stream->length_buffer = 0; |
| return file; |
| } |
| |
| static void |
| mem_file_delete (struct ui_file *file) |
| { |
| struct mem_file *stream = (struct mem_file *) ui_file_data (file); |
| |
| if (stream->magic != &mem_file_magic) |
| internal_error (__FILE__, __LINE__, |
| _("mem_file_delete: bad magic number")); |
| if (stream->buffer != NULL) |
| xfree (stream->buffer); |
| xfree (stream); |
| } |
| |
| struct ui_file * |
| mem_fileopen (void) |
| { |
| return mem_file_new (); |
| } |
| |
| static void |
| mem_file_rewind (struct ui_file *file) |
| { |
| struct mem_file *stream = (struct mem_file *) ui_file_data (file); |
| |
| if (stream->magic != &mem_file_magic) |
| internal_error (__FILE__, __LINE__, |
| _("mem_file_rewind: bad magic number")); |
| stream->length_buffer = 0; |
| } |
| |
| static void |
| mem_file_put (struct ui_file *file, |
| ui_file_put_method_ftype *write, |
| void *dest) |
| { |
| struct mem_file *stream = (struct mem_file *) ui_file_data (file); |
| |
| if (stream->magic != &mem_file_magic) |
| internal_error (__FILE__, __LINE__, |
| _("mem_file_put: bad magic number")); |
| if (stream->length_buffer > 0) |
| write (dest, stream->buffer, stream->length_buffer); |
| } |
| |
| void |
| mem_file_write (struct ui_file *file, |
| const char *buffer, |
| long length_buffer) |
| { |
| struct mem_file *stream = (struct mem_file *) ui_file_data (file); |
| |
| if (stream->magic != &mem_file_magic) |
| internal_error (__FILE__, __LINE__, |
| _("mem_file_write: bad magic number")); |
| if (stream->buffer == NULL) |
| { |
| stream->length_buffer = length_buffer; |
| stream->sizeof_buffer = length_buffer; |
| stream->buffer = (char *) xmalloc (stream->sizeof_buffer); |
| memcpy (stream->buffer, buffer, length_buffer); |
| } |
| else |
| { |
| int new_length = stream->length_buffer + length_buffer; |
| |
| if (new_length >= stream->sizeof_buffer) |
| { |
| stream->sizeof_buffer = new_length; |
| stream->buffer |
| = (char *) xrealloc (stream->buffer, stream->sizeof_buffer); |
| } |
| memcpy (stream->buffer + stream->length_buffer, buffer, length_buffer); |
| stream->length_buffer = new_length; |
| } |
| } |
| |
| /* ``struct ui_file'' implementation that maps directly onto |
| <stdio.h>'s FILE. */ |
| |
| static ui_file_write_ftype stdio_file_write; |
| static ui_file_write_async_safe_ftype stdio_file_write_async_safe; |
| static ui_file_fputs_ftype stdio_file_fputs; |
| static ui_file_read_ftype stdio_file_read; |
| static ui_file_isatty_ftype stdio_file_isatty; |
| static ui_file_delete_ftype stdio_file_delete; |
| static struct ui_file *stdio_file_new (FILE *file, int close_p); |
| static ui_file_flush_ftype stdio_file_flush; |
| static ui_file_fseek_ftype stdio_file_fseek; |
| |
| static int stdio_file_magic; |
| |
| struct stdio_file |
| { |
| int *magic; |
| FILE *file; |
| /* The associated file descriptor is extracted ahead of time for |
| stdio_file_write_async_safe's benefit, in case fileno isn't async-safe. */ |
| int fd; |
| int close_p; |
| }; |
| |
| static struct ui_file * |
| stdio_file_new (FILE *file, int close_p) |
| { |
| struct ui_file *ui_file = ui_file_new (); |
| struct stdio_file *stdio = XNEW (struct stdio_file); |
| |
| stdio->magic = &stdio_file_magic; |
| stdio->file = file; |
| stdio->fd = fileno (file); |
| stdio->close_p = close_p; |
| set_ui_file_data (ui_file, stdio, stdio_file_delete); |
| set_ui_file_flush (ui_file, stdio_file_flush); |
| set_ui_file_write (ui_file, stdio_file_write); |
| set_ui_file_write_async_safe (ui_file, stdio_file_write_async_safe); |
| set_ui_file_fputs (ui_file, stdio_file_fputs); |
| set_ui_file_read (ui_file, stdio_file_read); |
| set_ui_file_isatty (ui_file, stdio_file_isatty); |
| set_ui_file_fseek (ui_file, stdio_file_fseek); |
| return ui_file; |
| } |
| |
| static void |
| stdio_file_delete (struct ui_file *file) |
| { |
| struct stdio_file *stdio = (struct stdio_file *) ui_file_data (file); |
| |
| if (stdio->magic != &stdio_file_magic) |
| internal_error (__FILE__, __LINE__, |
| _("stdio_file_delete: bad magic number")); |
| if (stdio->close_p) |
| { |
| fclose (stdio->file); |
| } |
| xfree (stdio); |
| } |
| |
| static void |
| stdio_file_flush (struct ui_file *file) |
| { |
| struct stdio_file *stdio = (struct stdio_file *) ui_file_data (file); |
| |
| if (stdio->magic != &stdio_file_magic) |
| internal_error (__FILE__, __LINE__, |
| _("stdio_file_flush: bad magic number")); |
| fflush (stdio->file); |
| } |
| |
| static long |
| stdio_file_read (struct ui_file *file, char *buf, long length_buf) |
| { |
| struct stdio_file *stdio = (struct stdio_file *) ui_file_data (file); |
| |
| if (stdio->magic != &stdio_file_magic) |
| internal_error (__FILE__, __LINE__, |
| _("stdio_file_read: bad magic number")); |
| |
| /* Wait until at least one byte of data is available, or we get |
| interrupted with Control-C. */ |
| { |
| fd_set readfds; |
| |
| FD_ZERO (&readfds); |
| FD_SET (stdio->fd, &readfds); |
| if (interruptible_select (stdio->fd + 1, &readfds, NULL, NULL, NULL) == -1) |
| return -1; |
| } |
| |
| return read (stdio->fd, buf, length_buf); |
| } |
| |
| static void |
| stdio_file_write (struct ui_file *file, const char *buf, long length_buf) |
| { |
| struct stdio_file *stdio = (struct stdio_file *) ui_file_data (file); |
| |
| if (stdio->magic != &stdio_file_magic) |
| internal_error (__FILE__, __LINE__, |
| _("stdio_file_write: bad magic number")); |
| /* Calling error crashes when we are called from the exception framework. */ |
| if (fwrite (buf, length_buf, 1, stdio->file)) |
| { |
| /* Nothing. */ |
| } |
| } |
| |
| static void |
| stdio_file_write_async_safe (struct ui_file *file, |
| const char *buf, long length_buf) |
| { |
| struct stdio_file *stdio = (struct stdio_file *) ui_file_data (file); |
| |
| if (stdio->magic != &stdio_file_magic) |
| { |
| /* gettext isn't necessarily async safe, so we can't use _("error message") here. |
| We could extract the correct translation ahead of time, but this is an extremely |
| rare event, and one of the other stdio_file_* routines will presumably catch |
| the problem anyway. For now keep it simple and ignore the error here. */ |
| return; |
| } |
| |
| /* This is written the way it is to avoid a warning from gcc about not using the |
| result of write (since it can be declared with attribute warn_unused_result). |
| Alas casting to void doesn't work for this. */ |
| if (write (stdio->fd, buf, length_buf)) |
| { |
| /* Nothing. */ |
| } |
| } |
| |
| static void |
| stdio_file_fputs (const char *linebuffer, struct ui_file *file) |
| { |
| struct stdio_file *stdio = (struct stdio_file *) ui_file_data (file); |
| |
| if (stdio->magic != &stdio_file_magic) |
| internal_error (__FILE__, __LINE__, |
| _("stdio_file_fputs: bad magic number")); |
| /* Calling error crashes when we are called from the exception framework. */ |
| if (fputs (linebuffer, stdio->file)) |
| { |
| /* Nothing. */ |
| } |
| } |
| |
| static int |
| stdio_file_isatty (struct ui_file *file) |
| { |
| struct stdio_file *stdio = (struct stdio_file *) ui_file_data (file); |
| |
| if (stdio->magic != &stdio_file_magic) |
| internal_error (__FILE__, __LINE__, |
| _("stdio_file_isatty: bad magic number")); |
| return (isatty (stdio->fd)); |
| } |
| |
| static int |
| stdio_file_fseek (struct ui_file *file, long offset, int whence) |
| { |
| struct stdio_file *stdio = (struct stdio_file *) ui_file_data (file); |
| |
| if (stdio->magic != &stdio_file_magic) |
| internal_error (__FILE__, __LINE__, |
| _("stdio_file_fseek: bad magic number")); |
| |
| return fseek (stdio->file, offset, whence); |
| } |
| |
| #ifdef __MINGW32__ |
| /* This is the implementation of ui_file method to_write for stderr. |
| gdb_stdout is flushed before writing to gdb_stderr. */ |
| |
| static void |
| stderr_file_write (struct ui_file *file, const char *buf, long length_buf) |
| { |
| gdb_flush (gdb_stdout); |
| stdio_file_write (file, buf, length_buf); |
| } |
| |
| /* This is the implementation of ui_file method to_fputs for stderr. |
| gdb_stdout is flushed before writing to gdb_stderr. */ |
| |
| static void |
| stderr_file_fputs (const char *linebuffer, struct ui_file *file) |
| { |
| gdb_flush (gdb_stdout); |
| stdio_file_fputs (linebuffer, file); |
| } |
| #endif |
| |
| struct ui_file * |
| stderr_fileopen (FILE *stream) |
| { |
| struct ui_file *ui_file = stdio_fileopen (stream); |
| |
| #ifdef __MINGW32__ |
| /* There is no real line-buffering on Windows, see |
| http://msdn.microsoft.com/en-us/library/86cebhfs%28v=vs.71%29.aspx |
| so the stdout is either fully-buffered or non-buffered. We can't |
| make stdout non-buffered, because of two concerns, |
| 1. non-buffering hurts performance, |
| 2. non-buffering may change GDB's behavior when it is interacting |
| with front-end, such as Emacs. |
| |
| We decided to leave stdout as fully buffered, but flush it first |
| when something is written to stderr. */ |
| |
| /* Method 'to_write_async_safe' is not overwritten, because there's |
| no way to flush a stream in an async-safe manner. Fortunately, |
| it doesn't really matter, because: |
| - that method is only used for printing internal debug output |
| from signal handlers. |
| - Windows hosts don't have a concept of async-safeness. Signal |
| handlers run in a separate thread, so they can call |
| the regular non-async-safe output routines freely. */ |
| set_ui_file_write (ui_file, stderr_file_write); |
| set_ui_file_fputs (ui_file, stderr_file_fputs); |
| #endif |
| |
| return ui_file; |
| } |
| |
| /* Like fdopen(). Create a ui_file from a previously opened FILE. */ |
| |
| struct ui_file * |
| stdio_fileopen (FILE *file) |
| { |
| return stdio_file_new (file, 0); |
| } |
| |
| struct ui_file * |
| gdb_fopen (const char *name, const char *mode) |
| { |
| FILE *f = gdb_fopen_cloexec (name, mode); |
| |
| if (f == NULL) |
| return NULL; |
| return stdio_file_new (f, 1); |
| } |
| |
| /* ``struct ui_file'' implementation that maps onto two ui-file objects. */ |
| |
| static ui_file_write_ftype tee_file_write; |
| static ui_file_fputs_ftype tee_file_fputs; |
| static ui_file_isatty_ftype tee_file_isatty; |
| static ui_file_delete_ftype tee_file_delete; |
| static ui_file_flush_ftype tee_file_flush; |
| |
| static int tee_file_magic; |
| |
| struct tee_file |
| { |
| int *magic; |
| struct ui_file *one, *two; |
| int close_one, close_two; |
| }; |
| |
| struct ui_file * |
| tee_file_new (struct ui_file *one, int close_one, |
| struct ui_file *two, int close_two) |
| { |
| struct ui_file *ui_file = ui_file_new (); |
| struct tee_file *tee = XNEW (struct tee_file); |
| |
| tee->magic = &tee_file_magic; |
| tee->one = one; |
| tee->two = two; |
| tee->close_one = close_one; |
| tee->close_two = close_two; |
| set_ui_file_data (ui_file, tee, tee_file_delete); |
| set_ui_file_flush (ui_file, tee_file_flush); |
| set_ui_file_write (ui_file, tee_file_write); |
| set_ui_file_fputs (ui_file, tee_file_fputs); |
| set_ui_file_isatty (ui_file, tee_file_isatty); |
| return ui_file; |
| } |
| |
| static void |
| tee_file_delete (struct ui_file *file) |
| { |
| struct tee_file *tee = (struct tee_file *) ui_file_data (file); |
| |
| if (tee->magic != &tee_file_magic) |
| internal_error (__FILE__, __LINE__, |
| _("tee_file_delete: bad magic number")); |
| if (tee->close_one) |
| ui_file_delete (tee->one); |
| if (tee->close_two) |
| ui_file_delete (tee->two); |
| |
| xfree (tee); |
| } |
| |
| static void |
| tee_file_flush (struct ui_file *file) |
| { |
| struct tee_file *tee = (struct tee_file *) ui_file_data (file); |
| |
| if (tee->magic != &tee_file_magic) |
| internal_error (__FILE__, __LINE__, |
| _("tee_file_flush: bad magic number")); |
| tee->one->to_flush (tee->one); |
| tee->two->to_flush (tee->two); |
| } |
| |
| static void |
| tee_file_write (struct ui_file *file, const char *buf, long length_buf) |
| { |
| struct tee_file *tee = (struct tee_file *) ui_file_data (file); |
| |
| if (tee->magic != &tee_file_magic) |
| internal_error (__FILE__, __LINE__, |
| _("tee_file_write: bad magic number")); |
| ui_file_write (tee->one, buf, length_buf); |
| ui_file_write (tee->two, buf, length_buf); |
| } |
| |
| static void |
| tee_file_fputs (const char *linebuffer, struct ui_file *file) |
| { |
| struct tee_file *tee = (struct tee_file *) ui_file_data (file); |
| |
| if (tee->magic != &tee_file_magic) |
| internal_error (__FILE__, __LINE__, |
| _("tee_file_fputs: bad magic number")); |
| tee->one->to_fputs (linebuffer, tee->one); |
| tee->two->to_fputs (linebuffer, tee->two); |
| } |
| |
| static int |
| tee_file_isatty (struct ui_file *file) |
| { |
| struct tee_file *tee = (struct tee_file *) ui_file_data (file); |
| |
| if (tee->magic != &tee_file_magic) |
| internal_error (__FILE__, __LINE__, |
| _("tee_file_isatty: bad magic number")); |
| |
| return ui_file_isatty (tee->one); |
| } |