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https://sourceware.org/git/binutils-gdb.git
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e2e0b3e57f
Mark up error_no_arg, query, perror_with_name, complaint, and internal_error. * breakpoint.c, cp-abi.c, cp-namespace.c, cp-support.c: Update. * cris-tdep.c, dbxread.c, dictionary.c, dsrec.c: Update. * dummy-frame.c, dve3900-rom.c, dwarf2-frame.c, dwarf2expr.c: Update. * dwarf2read.c, dwarfread.c, elfread.c, event-loop.c: Update. * exceptions.c, exec.c, f-lang.c, findvar.c, fork-child.c: Update. * frame-unwind.c, frame.c, frv-linux-tdep.c, frv-tdep.c: Update. * gdb_assert.h, gdbarch.c, gdbtypes.c, gnu-nat.c: Update. * go32-nat.c, hppa-tdep.c, hppabsd-nat.c, hpread.c: Update. * i386-linux-nat.c, i386-nat.c, i386-tdep.c, i386bsd-nat.c: Update. * i386fbsd-nat.c, inf-ptrace.c, inf-ttrace.c, infcall.c: Update. * infcmd.c, inflow.c, infptrace.c, infrun.c, inftarg.c: Update. * interps.c, language.c, linespec.c, linux-nat.c: Update. * m32r-linux-nat.c, m68k-tdep.c, m68kbsd-nat.c: Update. * m68klinux-nat.c, m88kbsd-nat.c, macroexp.c, macroscope.c: Update. * macrotab.c, maint.c, mdebugread.c, memattr.c: Update. * mips-linux-tdep.c, mips-tdep.c, mips64obsd-nat.c: Update. * mipsnbsd-nat.c, mn10300-tdep.c, monitor.c, nto-procfs.c: Update. * objc-lang.c, objfiles.c, objfiles.h, ocd.c, osabi.c: Update. * parse.c, ppc-bdm.c, ppc-linux-nat.c, ppc-sysv-tdep.c: Update. * ppcnbsd-nat.c, ppcobsd-nat.c, printcmd.c, procfs.c: Update. * regcache.c, reggroups.c, remote-e7000.c, remote-mips.c: Update. * remote-rdp.c, remote-sds.c, remote-sim.c, remote-st.c: Update. * remote-utils.c, remote.c, rs6000-nat.c, rs6000-tdep.c: Update. * s390-nat.c, s390-tdep.c, sentinel-frame.c, serial.c: Update. * sh-tdep.c, sh3-rom.c, sh64-tdep.c, shnbsd-nat.c: Update. * solib-aix5.c, solib-svr4.c, solib.c, source.c: Update. * sparc-nat.c, stabsread.c, stack.c, symfile.c, symtab.c: Update. * symtab.h, target.c, tracepoint.c, ui-file.c, ui-out.c: Update. * utils.c, valops.c, valprint.c, vax-nat.c, vaxbsd-nat.c: Update. * win32-nat.c, xcoffread.c, xstormy16-tdep.c: Update. * cli/cli-cmds.c, cli/cli-logging.c, cli/cli-script.c: Update. * cli/cli-setshow.c, mi/mi-cmd-break.c, mi/mi-cmds.c: Update. * mi/mi-console.c, mi/mi-getopt.c, mi/mi-out.c: Update. * tui/tui-file.c, tui/tui-interp.c: Update.
618 lines
15 KiB
C
618 lines
15 KiB
C
/* UI_FILE - a generic STDIO like output stream.
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Copyright 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* Implement the ``struct ui_file'' object. */
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#include "defs.h"
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#include "ui-file.h"
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#include "gdb_string.h"
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#include <errno.h>
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static ui_file_isatty_ftype null_file_isatty;
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static ui_file_write_ftype null_file_write;
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static ui_file_fputs_ftype null_file_fputs;
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static ui_file_read_ftype null_file_read;
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static ui_file_flush_ftype null_file_flush;
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static ui_file_delete_ftype null_file_delete;
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static ui_file_rewind_ftype null_file_rewind;
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static ui_file_put_ftype null_file_put;
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struct ui_file
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{
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int *magic;
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ui_file_flush_ftype *to_flush;
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ui_file_write_ftype *to_write;
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ui_file_fputs_ftype *to_fputs;
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ui_file_read_ftype *to_read;
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ui_file_delete_ftype *to_delete;
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ui_file_isatty_ftype *to_isatty;
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ui_file_rewind_ftype *to_rewind;
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ui_file_put_ftype *to_put;
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void *to_data;
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};
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int ui_file_magic;
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struct ui_file *
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ui_file_new (void)
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{
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struct ui_file *file = xmalloc (sizeof (struct ui_file));
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file->magic = &ui_file_magic;
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set_ui_file_data (file, NULL, null_file_delete);
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set_ui_file_flush (file, null_file_flush);
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set_ui_file_write (file, null_file_write);
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set_ui_file_fputs (file, null_file_fputs);
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set_ui_file_read (file, null_file_read);
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set_ui_file_isatty (file, null_file_isatty);
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set_ui_file_rewind (file, null_file_rewind);
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set_ui_file_put (file, null_file_put);
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return file;
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}
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void
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ui_file_delete (struct ui_file *file)
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{
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file->to_delete (file);
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xfree (file);
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}
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static int
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null_file_isatty (struct ui_file *file)
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{
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return 0;
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}
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static void
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null_file_rewind (struct ui_file *file)
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{
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return;
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}
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static void
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null_file_put (struct ui_file *file,
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ui_file_put_method_ftype *write,
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void *dest)
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{
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return;
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}
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static void
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null_file_flush (struct ui_file *file)
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{
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return;
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}
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static void
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null_file_write (struct ui_file *file,
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const char *buf,
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long sizeof_buf)
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{
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if (file->to_fputs == null_file_fputs)
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/* Both the write and fputs methods are null. Discard the
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request. */
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return;
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else
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{
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/* The fputs method isn't null, slowly pass the write request
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onto that. FYI, this isn't as bad as it may look - the
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current (as of 1999-11-07) printf_* function calls fputc and
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fputc does exactly the below. By having a write function it
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is possible to clean up that code. */
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int i;
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char b[2];
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b[1] = '\0';
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for (i = 0; i < sizeof_buf; i++)
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{
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b[0] = buf[i];
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file->to_fputs (b, file);
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}
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return;
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}
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}
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static long
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null_file_read (struct ui_file *file,
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char *buf,
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long sizeof_buf)
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{
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errno = EBADF;
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return 0;
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}
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static void
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null_file_fputs (const char *buf, struct ui_file *file)
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{
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if (file->to_write == null_file_write)
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/* Both the write and fputs methods are null. Discard the
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request. */
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return;
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else
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{
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/* The write method was implemented, use that. */
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file->to_write (file, buf, strlen (buf));
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}
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}
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static void
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null_file_delete (struct ui_file *file)
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{
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return;
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}
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void *
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ui_file_data (struct ui_file *file)
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{
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if (file->magic != &ui_file_magic)
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internal_error (__FILE__, __LINE__,
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_("ui_file_data: bad magic number"));
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return file->to_data;
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}
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void
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gdb_flush (struct ui_file *file)
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{
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file->to_flush (file);
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}
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int
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ui_file_isatty (struct ui_file *file)
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{
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return file->to_isatty (file);
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}
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void
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ui_file_rewind (struct ui_file *file)
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{
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file->to_rewind (file);
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}
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void
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ui_file_put (struct ui_file *file,
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ui_file_put_method_ftype *write,
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void *dest)
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{
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file->to_put (file, write, dest);
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}
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void
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ui_file_write (struct ui_file *file,
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const char *buf,
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long length_buf)
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{
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file->to_write (file, buf, length_buf);
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}
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long
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ui_file_read (struct ui_file *file, char *buf, long length_buf)
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{
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return file->to_read (file, buf, length_buf);
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}
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void
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fputs_unfiltered (const char *buf, struct ui_file *file)
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{
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file->to_fputs (buf, file);
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}
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void
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set_ui_file_flush (struct ui_file *file, ui_file_flush_ftype *flush)
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{
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file->to_flush = flush;
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}
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void
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set_ui_file_isatty (struct ui_file *file, ui_file_isatty_ftype *isatty)
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{
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file->to_isatty = isatty;
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}
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void
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set_ui_file_rewind (struct ui_file *file, ui_file_rewind_ftype *rewind)
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{
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file->to_rewind = rewind;
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}
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void
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set_ui_file_put (struct ui_file *file, ui_file_put_ftype *put)
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{
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file->to_put = put;
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}
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void
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set_ui_file_write (struct ui_file *file,
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ui_file_write_ftype *write)
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{
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file->to_write = write;
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}
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void
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set_ui_file_read (struct ui_file *file, ui_file_read_ftype *read)
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{
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file->to_read = read;
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}
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void
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set_ui_file_fputs (struct ui_file *file, ui_file_fputs_ftype *fputs)
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{
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file->to_fputs = fputs;
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}
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void
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set_ui_file_data (struct ui_file *file, void *data,
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ui_file_delete_ftype *delete)
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{
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file->to_data = data;
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file->to_delete = delete;
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}
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/* ui_file utility function for converting a ``struct ui_file'' into
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a memory buffer''. */
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struct accumulated_ui_file
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{
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char *buffer;
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long length;
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};
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static void
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do_ui_file_xstrdup (void *context, const char *buffer, long length)
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{
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struct accumulated_ui_file *acc = context;
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if (acc->buffer == NULL)
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acc->buffer = xmalloc (length + 1);
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else
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acc->buffer = xrealloc (acc->buffer, acc->length + length + 1);
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memcpy (acc->buffer + acc->length, buffer, length);
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acc->length += length;
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acc->buffer[acc->length] = '\0';
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}
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char *
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ui_file_xstrdup (struct ui_file *file,
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long *length)
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{
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struct accumulated_ui_file acc;
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acc.buffer = NULL;
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acc.length = 0;
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ui_file_put (file, do_ui_file_xstrdup, &acc);
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if (acc.buffer == NULL)
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acc.buffer = xstrdup ("");
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*length = acc.length;
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return acc.buffer;
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}
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/* A pure memory based ``struct ui_file'' that can be used an output
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buffer. The buffers accumulated contents are available via
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ui_file_put(). */
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struct mem_file
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{
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int *magic;
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char *buffer;
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int sizeof_buffer;
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int length_buffer;
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};
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static ui_file_rewind_ftype mem_file_rewind;
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static ui_file_put_ftype mem_file_put;
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static ui_file_write_ftype mem_file_write;
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static ui_file_delete_ftype mem_file_delete;
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static struct ui_file *mem_file_new (void);
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static int mem_file_magic;
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static struct ui_file *
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mem_file_new (void)
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{
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struct mem_file *stream = XMALLOC (struct mem_file);
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struct ui_file *file = ui_file_new ();
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set_ui_file_data (file, stream, mem_file_delete);
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set_ui_file_rewind (file, mem_file_rewind);
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set_ui_file_put (file, mem_file_put);
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set_ui_file_write (file, mem_file_write);
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stream->magic = &mem_file_magic;
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stream->buffer = NULL;
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stream->sizeof_buffer = 0;
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stream->length_buffer = 0;
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return file;
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}
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static void
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mem_file_delete (struct ui_file *file)
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{
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struct mem_file *stream = ui_file_data (file);
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if (stream->magic != &mem_file_magic)
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internal_error (__FILE__, __LINE__,
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_("mem_file_delete: bad magic number"));
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if (stream->buffer != NULL)
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xfree (stream->buffer);
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xfree (stream);
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}
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struct ui_file *
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mem_fileopen (void)
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{
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return mem_file_new ();
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}
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static void
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mem_file_rewind (struct ui_file *file)
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{
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struct mem_file *stream = ui_file_data (file);
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if (stream->magic != &mem_file_magic)
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internal_error (__FILE__, __LINE__,
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_("mem_file_rewind: bad magic number"));
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stream->length_buffer = 0;
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}
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static void
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mem_file_put (struct ui_file *file,
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ui_file_put_method_ftype *write,
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void *dest)
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{
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struct mem_file *stream = ui_file_data (file);
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if (stream->magic != &mem_file_magic)
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internal_error (__FILE__, __LINE__,
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_("mem_file_put: bad magic number"));
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if (stream->length_buffer > 0)
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write (dest, stream->buffer, stream->length_buffer);
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}
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void
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mem_file_write (struct ui_file *file,
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const char *buffer,
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long length_buffer)
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{
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struct mem_file *stream = ui_file_data (file);
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if (stream->magic != &mem_file_magic)
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internal_error (__FILE__, __LINE__,
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_("mem_file_write: bad magic number"));
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if (stream->buffer == NULL)
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{
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stream->length_buffer = length_buffer;
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stream->sizeof_buffer = length_buffer;
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stream->buffer = xmalloc (stream->sizeof_buffer);
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memcpy (stream->buffer, buffer, length_buffer);
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}
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else
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{
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int new_length = stream->length_buffer + length_buffer;
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if (new_length >= stream->sizeof_buffer)
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{
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stream->sizeof_buffer = new_length;
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stream->buffer = xrealloc (stream->buffer, stream->sizeof_buffer);
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}
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memcpy (stream->buffer + stream->length_buffer, buffer, length_buffer);
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stream->length_buffer = new_length;
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}
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}
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/* ``struct ui_file'' implementation that maps directly onto
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<stdio.h>'s FILE. */
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static ui_file_write_ftype stdio_file_write;
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static ui_file_fputs_ftype stdio_file_fputs;
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static ui_file_read_ftype stdio_file_read;
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static ui_file_isatty_ftype stdio_file_isatty;
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static ui_file_delete_ftype stdio_file_delete;
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static struct ui_file *stdio_file_new (FILE * file, int close_p);
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static ui_file_flush_ftype stdio_file_flush;
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static int stdio_file_magic;
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struct stdio_file
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{
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int *magic;
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FILE *file;
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int close_p;
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};
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static struct ui_file *
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stdio_file_new (FILE *file, int close_p)
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{
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struct ui_file *ui_file = ui_file_new ();
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struct stdio_file *stdio = xmalloc (sizeof (struct stdio_file));
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stdio->magic = &stdio_file_magic;
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stdio->file = file;
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stdio->close_p = close_p;
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set_ui_file_data (ui_file, stdio, stdio_file_delete);
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set_ui_file_flush (ui_file, stdio_file_flush);
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set_ui_file_write (ui_file, stdio_file_write);
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set_ui_file_fputs (ui_file, stdio_file_fputs);
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set_ui_file_read (ui_file, stdio_file_read);
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set_ui_file_isatty (ui_file, stdio_file_isatty);
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return ui_file;
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}
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static void
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stdio_file_delete (struct ui_file *file)
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{
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struct stdio_file *stdio = ui_file_data (file);
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if (stdio->magic != &stdio_file_magic)
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internal_error (__FILE__, __LINE__,
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_("stdio_file_delete: bad magic number"));
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if (stdio->close_p)
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{
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fclose (stdio->file);
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}
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xfree (stdio);
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}
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static void
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stdio_file_flush (struct ui_file *file)
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{
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struct stdio_file *stdio = ui_file_data (file);
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if (stdio->magic != &stdio_file_magic)
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internal_error (__FILE__, __LINE__,
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_("stdio_file_flush: bad magic number"));
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fflush (stdio->file);
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}
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static long
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stdio_file_read (struct ui_file *file, char *buf, long length_buf)
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{
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struct stdio_file *stdio = ui_file_data (file);
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if (stdio->magic != &stdio_file_magic)
|
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internal_error (__FILE__, __LINE__,
|
||
_("stdio_file_read: bad magic number"));
|
||
return read (fileno (stdio->file), buf, length_buf);
|
||
}
|
||
|
||
static void
|
||
stdio_file_write (struct ui_file *file, const char *buf, long length_buf)
|
||
{
|
||
struct stdio_file *stdio = ui_file_data (file);
|
||
if (stdio->magic != &stdio_file_magic)
|
||
internal_error (__FILE__, __LINE__,
|
||
_("stdio_file_write: bad magic number"));
|
||
fwrite (buf, length_buf, 1, stdio->file);
|
||
}
|
||
|
||
static void
|
||
stdio_file_fputs (const char *linebuffer, struct ui_file *file)
|
||
{
|
||
struct stdio_file *stdio = ui_file_data (file);
|
||
if (stdio->magic != &stdio_file_magic)
|
||
internal_error (__FILE__, __LINE__,
|
||
_("stdio_file_fputs: bad magic number"));
|
||
fputs (linebuffer, stdio->file);
|
||
}
|
||
|
||
static int
|
||
stdio_file_isatty (struct ui_file *file)
|
||
{
|
||
struct stdio_file *stdio = ui_file_data (file);
|
||
if (stdio->magic != &stdio_file_magic)
|
||
internal_error (__FILE__, __LINE__,
|
||
_("stdio_file_isatty: bad magic number"));
|
||
return (isatty (fileno (stdio->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 (char *name, char *mode)
|
||
{
|
||
FILE *f = fopen (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 = xmalloc (sizeof (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 = 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 = 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 = 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 = 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 = ui_file_data (file);
|
||
if (tee->magic != &tee_file_magic)
|
||
internal_error (__FILE__, __LINE__,
|
||
_("tee_file_isatty: bad magic number"));
|
||
return (0);
|
||
}
|