Sat Nov 18 16:46:01 1995 Ulrich Drepper <drepper@gnu.ai.mit.edu>

* libio/Makefile, libio/cleanup.c, libio/clearerr.c, libio/feof.c,
	libio/ferror.c, libio/fgetc.c, libio/filedoalloc.c, libio/fileno.c,
	libio/fileops.c, libio/fputc.c, libio/freopen.c, libio/fseek.c,
	libio/genops.c, libio/getc.c, libio/getchar.c, libio/iofclose.c,
	libio/iofdopen.c, libio/iofflush.c, libio/iofgetpos.c, libio/iofgets.c,
	libio/iofopen.c, libio/iofprintf.c, libio/iofputs.c, libio/iofread.c,
	libio/iofscanf.c, libio/iofsetpos.c, libio/ioftell.c, libio/iofwrite.c,
	libio/iogetdelim.c, libio/iogetline.c, libio/iogets.c, libio/iolibio.h,
	libio/iopadn.c, libio/ioprims.c, libio/ioputs.c, libio/ioseekoff.c,
	libio/ioseekpos.c, libio/iosetbuffer.c, libio/iosetvbuf.c,
	libio/iosprintf.c, libio/ioungetc.c, libio/iovsprintf.c,
	libio/iovsscanf.c, libio/libio.h, libio/libioP.h, libio/putc.c,
	libio/putchar.c, libio/rewind.c, libio/setbuf.c, libio/setlinebuf.c,
	libio/stdfiles.c, libio/stdio.c, libio/stdio.h, libio/strfile.h,
	libio/strops.c, libio/vasprintf.c, libio/vscanf.c, libio/vsnprintf.c:
	New files.  Slightly modified version from Linux libc.

	* libio/memstream.c, libio/vdprintf.c: New files for functions not
	(yet) part of GNU libio.

	* libio/iofopncook.c: Implementation of `fopencookie', mainly written
	by Per Bothner.

	* stdio-common/getline.c: Adapted to libio.
	* stdio-common/snprintf.c: Adapted to libio.
	* stdio-common/vfprintf.c: Adapted to libio.
	* stdio-common/vfscanf.c: Adapted to libio.
	* sysdeps/posix/tempname.c: Adapted to libio.

libio/vasprintf.c

@@ -0,0 +1,61 @@
+/*
+Copyright (C) 1995 Free Software Foundation
+
+This file is part of the GNU IO Library.  This library 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, or (at your option)
+any later version.
+
+This 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+As a special exception, if you link this library with files
+compiled with a GNU compiler to produce an executable, this does not cause
+the resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why
+the executable file might be covered by the GNU General Public License. */
+
+#include <malloc.h>
+#include "libioP.h"
+#include "stdio.h"
+#include "strfile.h"
+
+int
+_IO_vasprintf (result_ptr, format, args)
+     char **result_ptr;
+     const char *format;
+     _IO_va_list args;
+{
+  /* Initial size of the buffer to be used.  Will be doubled each time an
+     overflow occurs.  */
+  const _IO_size_t init_string_size = 100;
+  char *string;
+  _IO_strfile sf;
+  int ret;
+  string = ALLOC_BUF(init_string_size);
+  if (string == NULL)
+    return -1;
+  _IO_init((_IO_FILE*)&sf, 0);
+  _IO_JUMPS((_IO_FILE*)&sf) = &_IO_str_jumps;
+  _IO_str_init_static ((_IO_FILE*)&sf, string, init_string_size, string);
+  sf._f._flags &= ~_IO_USER_BUF;
+  sf._s._allocate_buffer = (_IO_alloc_type)malloc;
+  sf._s._free_buffer = (_IO_free_type)free;
+  ret = _IO_vfprintf((_IO_FILE*)&sf, format, args);
+  if (ret < 0)
+    return ret;
+  *result_ptr = (char*)realloc(sf._f._IO_buf_base,
+			       (sf._f._IO_write_ptr - sf._f._IO_write_base) +1);
+  if (*result_ptr == NULL)
+    *result_ptr = sf._f._IO_buf_base;
+  (*result_ptr)[sf._f._IO_write_ptr-sf._f._IO_write_base] = '\0';
+  return ret;
+}
+weak_alias (_IO_vasprintf, vasprintf)