diff options
| -rw-r--r-- | gdb/gdb-file.c | 511 | ||||
| -rw-r--r-- | gdb/gdb-file.h | 93 |
2 files changed, 0 insertions, 604 deletions
diff --git a/gdb/gdb-file.c b/gdb/gdb-file.c deleted file mode 100644 index 88d550a..0000000 --- a/gdb/gdb-file.c +++ /dev/null @@ -1,511 +0,0 @@ -/* GDB_FILE - a generic STDIO like output stream. - Copyright (C) 1999, 2000 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 2 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, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -/* Implement the ``struct gdb_file'' object. */ - -#include "defs.h" -#include "gdb-file.h" - -#undef XMALLOC -#define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE))) - -static gdb_file_isatty_ftype null_file_isatty; -static gdb_file_write_ftype null_file_write; -static gdb_file_fputs_ftype null_file_fputs; -static gdb_file_flush_ftype null_file_flush; -static gdb_file_delete_ftype null_file_delete; -static gdb_file_rewind_ftype null_file_rewind; -static gdb_file_put_ftype null_file_put; - -struct gdb_file - { - int *magic; - gdb_file_flush_ftype *to_flush; - gdb_file_write_ftype *to_write; - gdb_file_fputs_ftype *to_fputs; - gdb_file_delete_ftype *to_delete; - gdb_file_isatty_ftype *to_isatty; - gdb_file_rewind_ftype *to_rewind; - gdb_file_put_ftype *to_put; - void *to_data; - }; -int gdb_file_magic; - -struct gdb_file * -gdb_file_new () -{ - struct gdb_file *file = xmalloc (sizeof (struct gdb_file)); - file->magic = &gdb_file_magic; - set_gdb_file_data (file, NULL, null_file_delete); - set_gdb_file_flush (file, null_file_flush); - set_gdb_file_write (file, null_file_write); - set_gdb_file_fputs (file, null_file_fputs); - set_gdb_file_isatty (file, null_file_isatty); - set_gdb_file_rewind (file, null_file_rewind); - set_gdb_file_put (file, null_file_put); - return file; -} - -void -gdb_file_delete (file) - struct gdb_file *file; -{ - file->to_delete (file); - free (file); -} - -static int -null_file_isatty (file) - struct gdb_file *file; -{ - return 0; -} - -static void -null_file_rewind (file) - struct gdb_file *file; -{ - return; -} - -static void -null_file_put (struct gdb_file *file, - gdb_file_put_method_ftype *write, - void *dest) -{ - return; -} - -static void -null_file_flush (file) - struct gdb_file *file; -{ - return; -} - -static void -null_file_write (struct gdb_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 void -null_file_fputs (buf, file) - const char *buf; - struct gdb_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_delete (file) - struct gdb_file *file; -{ - return; -} - -void * -gdb_file_data (file) - struct gdb_file *file; -{ - if (file->magic != &gdb_file_magic) - internal_error ("gdb_file_data: bad magic number"); - return file->to_data; -} - -void -gdb_flush (file) - struct gdb_file *file; -{ - file->to_flush (file); -} - -int -gdb_file_isatty (file) - struct gdb_file *file; -{ - return file->to_isatty (file); -} - -void -gdb_file_rewind (file) - struct gdb_file *file; -{ - file->to_rewind (file); -} - -void -gdb_file_put (struct gdb_file *file, - gdb_file_put_method_ftype *write, - void *dest) -{ - file->to_put (file, write, dest); -} - -void -gdb_file_write (struct gdb_file *file, - const char *buf, - long length_buf) -{ - file->to_write (file, buf, length_buf); -} - -void -fputs_unfiltered (buf, file) - const char *buf; - struct gdb_file *file; -{ - file->to_fputs (buf, file); -} - -void -set_gdb_file_flush (file, flush) - struct gdb_file *file; - gdb_file_flush_ftype *flush; -{ - file->to_flush = flush; -} - -void -set_gdb_file_isatty (file, isatty) - struct gdb_file *file; - gdb_file_isatty_ftype *isatty; -{ - file->to_isatty = isatty; -} - -void -set_gdb_file_rewind (file, rewind) - struct gdb_file *file; - gdb_file_rewind_ftype *rewind; -{ - file->to_rewind = rewind; -} - -void -set_gdb_file_put (file, put) - struct gdb_file *file; - gdb_file_put_ftype *put; -{ - file->to_put = put; -} - -void -set_gdb_file_write (struct gdb_file *file, - gdb_file_write_ftype *write) -{ - file->to_write = write; -} - -void -set_gdb_file_fputs (file, fputs) - struct gdb_file *file; - gdb_file_fputs_ftype *fputs; -{ - file->to_fputs = fputs; -} - -void -set_gdb_file_data (file, data, delete) - struct gdb_file *file; - void *data; - gdb_file_delete_ftype *delete; -{ - file->to_data = data; - file->to_delete = delete; -} - -/* gdb_file utility function for converting a ``struct gdb_file'' into - a memory buffer''. */ - -struct accumulated_gdb_file -{ - char *buffer; - long length; -}; - -static void -do_gdb_file_xstrdup (void *context, const char *buffer, long length) -{ - struct accumulated_gdb_file *acc = context; - if (acc->buffer == NULL) - acc->buffer = xmalloc (length + 1); - else - acc->buffer = xrealloc (acc->buffer, acc->length + length + 1); - memcpy (acc->buffer + acc->length, buffer, length); - acc->length += length; - acc->buffer[acc->length] = '\0'; -} - -char * -gdb_file_xstrdup (struct gdb_file *file, - long *length) -{ - struct accumulated_gdb_file acc; - acc.buffer = NULL; - acc.length = 0; - gdb_file_put (file, do_gdb_file_xstrdup, &acc); - if (acc.buffer == NULL) - acc.buffer = xstrdup (""); - *length = acc.length; - return acc.buffer; -} - -/* A pure memory based ``struct gdb_file'' that can be used an output - buffer. The buffers accumulated contents are available via - gdb_file_put(). */ - -struct mem_file - { - int *magic; - char *buffer; - int sizeof_buffer; - int length_buffer; - }; - -static gdb_file_rewind_ftype mem_file_rewind; -static gdb_file_put_ftype mem_file_put; -static gdb_file_write_ftype mem_file_write; -static gdb_file_delete_ftype mem_file_delete; -static struct gdb_file *mem_file_new PARAMS ((void)); -static int mem_file_magic; - -static struct gdb_file * -mem_file_new (void) -{ - struct mem_file *stream = XMALLOC (struct mem_file); - struct gdb_file *file = gdb_file_new (); - set_gdb_file_data (file, stream, mem_file_delete); - set_gdb_file_rewind (file, mem_file_rewind); - set_gdb_file_put (file, mem_file_put); - set_gdb_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 gdb_file *file) -{ - struct mem_file *stream = gdb_file_data (file); - if (stream->magic != &mem_file_magic) - internal_error ("mem_file_delete: bad magic number"); - if (stream->buffer != NULL) - free (stream->buffer); - free (stream); -} - -struct gdb_file * -mem_fileopen (void) -{ - return mem_file_new (); -} - -static void -mem_file_rewind (struct gdb_file *file) -{ - struct mem_file *stream = gdb_file_data (file); - if (stream->magic != &mem_file_magic) - internal_error ("mem_file_rewind: bad magic number"); - stream->length_buffer = 0; -} - -static void -mem_file_put (struct gdb_file *file, - gdb_file_put_method_ftype *write, - void *dest) -{ - struct mem_file *stream = gdb_file_data (file); - if (stream->magic != &mem_file_magic) - internal_error ("mem_file_put: bad magic number"); - if (stream->length_buffer > 0) - write (dest, stream->buffer, stream->length_buffer); -} - -void -mem_file_write (struct gdb_file *file, - const char *buffer, - long length_buffer) -{ - struct mem_file *stream = gdb_file_data (file); - if (stream->magic != &mem_file_magic) - internal_error ("mem_file_write: bad magic number"); - if (stream->buffer == NULL) - { - stream->length_buffer = length_buffer; - stream->sizeof_buffer = length_buffer; - stream->buffer = 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 = xrealloc (stream->buffer, stream->sizeof_buffer); - } - memcpy (stream->buffer + stream->length_buffer, buffer, length_buffer); - stream->length_buffer = new_length; - } -} - -/* ``struct gdb_file'' implementation that maps directly onto - <stdio.h>'s FILE. */ - -static gdb_file_write_ftype stdio_file_write; -static gdb_file_fputs_ftype stdio_file_fputs; -static gdb_file_isatty_ftype stdio_file_isatty; -static gdb_file_delete_ftype stdio_file_delete; -static struct gdb_file *stdio_file_new PARAMS ((FILE * file, int close_p)); -static gdb_file_flush_ftype stdio_file_flush; - -static int stdio_file_magic; - -struct stdio_file - { - int *magic; - FILE *file; - int close_p; - }; - -static struct gdb_file * -stdio_file_new (file, close_p) - FILE *file; - int close_p; -{ - struct gdb_file *gdb_file = gdb_file_new (); - struct stdio_file *stdio = xmalloc (sizeof (struct stdio_file)); - stdio->magic = &stdio_file_magic; - stdio->file = file; - stdio->close_p = close_p; - set_gdb_file_data (gdb_file, stdio, stdio_file_delete); - set_gdb_file_flush (gdb_file, stdio_file_flush); - set_gdb_file_write (gdb_file, stdio_file_write); - set_gdb_file_fputs (gdb_file, stdio_file_fputs); - set_gdb_file_isatty (gdb_file, stdio_file_isatty); - return gdb_file; -} - -static void -stdio_file_delete (file) - struct gdb_file *file; -{ - struct stdio_file *stdio = gdb_file_data (file); - if (stdio->magic != &stdio_file_magic) - internal_error ("stdio_file_delete: bad magic number"); - if (stdio->close_p) - { - fclose (stdio->file); - } - free (stdio); -} - -static void -stdio_file_flush (file) - struct gdb_file *file; -{ - struct stdio_file *stdio = gdb_file_data (file); - if (stdio->magic != &stdio_file_magic) - internal_error ("stdio_file_flush: bad magic number"); - fflush (stdio->file); -} - -static void -stdio_file_write (struct gdb_file *file, const char *buf, long length_buf) -{ - struct stdio_file *stdio = gdb_file_data (file); - if (stdio->magic != &stdio_file_magic) - internal_error ("stdio_file_write: bad magic number"); - fwrite (buf, length_buf, 1, stdio->file); -} - -static void -stdio_file_fputs (linebuffer, file) - const char *linebuffer; - struct gdb_file *file; -{ - struct stdio_file *stdio = gdb_file_data (file); - if (stdio->magic != &stdio_file_magic) - internal_error ("stdio_file_fputs: bad magic number"); - fputs (linebuffer, stdio->file); -} - -static int -stdio_file_isatty (file) - struct gdb_file *file; -{ - struct stdio_file *stdio = gdb_file_data (file); - if (stdio->magic != &stdio_file_magic) - internal_error ("stdio_file_isatty: bad magic number"); - return (isatty (fileno (stdio->file))); -} - -/* Like fdopen(). Create a gdb_file from a previously opened FILE. */ - -struct gdb_file * -stdio_fileopen (file) - FILE *file; -{ - return stdio_file_new (file, 0); -} - -GDB_FILE * -gdb_fopen (name, mode) - char *name; - char *mode; -{ - FILE *f = fopen (name, mode); - if (f == NULL) - return NULL; - return stdio_file_new (f, 1); -} diff --git a/gdb/gdb-file.h b/gdb/gdb-file.h deleted file mode 100644 index 90b9774..0000000 --- a/gdb/gdb-file.h +++ /dev/null @@ -1,93 +0,0 @@ -/* GDB_FILE - a generic STDIO like output stream. - Copyright (C) 1999, 2000 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 2 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, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#ifndef GDB_FILE_H -#define GDB_FILE_H - -struct gdb_file; - -/* Create a generic gdb_file object with null methods. */ - -extern struct gdb_file *gdb_file_new (void); - -/* Override methods used by specific implementations of a GDB_FILE - object. */ - -typedef void (gdb_file_flush_ftype) (struct gdb_file * stream); -extern void set_gdb_file_flush (struct gdb_file *stream, gdb_file_flush_ftype * flush); - -/* NOTE: Both fputs and write methods are available. Default - implementations that mapping one onto the other are included. */ -typedef void (gdb_file_write_ftype) (struct gdb_file * stream, const char *buf, long length_buf); -extern void set_gdb_file_write (struct gdb_file *stream, gdb_file_write_ftype *fputs); - -typedef void (gdb_file_fputs_ftype) (const char *, struct gdb_file * stream); -extern void set_gdb_file_fputs (struct gdb_file *stream, gdb_file_fputs_ftype * fputs); - -typedef int (gdb_file_isatty_ftype) (struct gdb_file * stream); -extern void set_gdb_file_isatty (struct gdb_file *stream, gdb_file_isatty_ftype * isatty); - -typedef void (gdb_file_rewind_ftype) (struct gdb_file * stream); -extern void set_gdb_file_rewind (struct gdb_file *stream, gdb_file_rewind_ftype * rewind); - -typedef void (gdb_file_put_method_ftype) (void *object, const char *buffer, long length_buffer); -typedef void (gdb_file_put_ftype) (struct gdb_file *stream, gdb_file_put_method_ftype * method, void *context); -extern void set_gdb_file_put (struct gdb_file *stream, gdb_file_put_ftype * put); - -typedef void (gdb_file_delete_ftype) (struct gdb_file * stream); -extern void set_gdb_file_data (struct gdb_file *stream, void *data, gdb_file_delete_ftype * delete); - -extern void *gdb_file_data (struct gdb_file *file); - - -extern void gdb_flush (struct gdb_file *); - -extern void gdb_file_delete (struct gdb_file *stream); - -extern void gdb_file_rewind (struct gdb_file *stream); - -extern int gdb_file_isatty (struct gdb_file *); - -extern void gdb_file_write (struct gdb_file *file, const char *buf, long length_buf); - -/* NOTE: copies left to right */ -extern void gdb_file_put (struct gdb_file *src, gdb_file_put_method_ftype *write, void *dest); - -/* Returns a freshly allocated buffer containing the entire contents - of FILE (as determined by gdb_file_put()) with a NUL character - appended. LENGTH is set to the size of the buffer minus that - appended NUL. */ -extern char *gdb_file_xstrdup (struct gdb_file *file, long *length); - - - -/* Create/open a memory based file. Can be used as a scratch buffer - for collecting output. */ -extern struct gdb_file *mem_fileopen (void); - - - -/* Open/create a an STDIO based GDB_FILE using the already open FILE. */ -extern struct gdb_file *stdio_fileopen (FILE *file); - -/* Open NAME returning an STDIO based GDB_FILE. */ -extern GDB_FILE *gdb_fopen (char *name, char *mode); - -#endif |