mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-06 05:10:05 +00:00
41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
/* Copyright (C) 1991, 1992, 1997 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 Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <stddef.h>
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
|
|
|
|
/* Enlarge STREAM's buffer. */
|
|
static void
|
|
enlarge_buffer (FILE *stream, int c)
|
|
{
|
|
ptrdiff_t bufp_offset = stream->__bufp - stream->__buffer;
|
|
char *newbuf;
|
|
|
|
stream->__bufsize += 100;
|
|
newbuf = (char *) realloc ((void *) stream->__buffer, stream->__bufsize);
|
|
if (newbuf == NULL)
|
|
{
|
|
free ((void *) stream->__buffer);
|
|
stream->__buffer = stream->__bufp
|
|
= stream->__put_limit = stream->__get_limit = NULL;
|
|
stream->__error = 1;
|
|
}
|
|
else
|
|
{
|
|
stream->__buffer = newbuf;
|
|
stream->__bufp = stream->__buffer + bufp_offset;
|
|
stream->__get_limit = stream->__put_limit;
|
|
stream->__put_limit = stream->__buffer + stream->__bufsize;
|
|
if (c != EOF)
|
|
*stream->__bufp++ = (unsigned char) c;
|
|
}
|
|
}
|
|
|
|
/* Write formatted output from FORMAT to a string which is
|
|
allocated with malloc and stored in *STRING_PTR. */
|
|
int
|
|
vasprintf (char **string_ptr,
|
|
const char *format,
|
|
va_list args)
|
|
{
|
|
FILE f;
|
|
int done;
|
|
|
|
memset ((void *) &f, 0, sizeof (f));
|
|
f.__magic = _IOMAGIC;
|
|
f.__bufsize = 100;
|
|
f.__buffer = (char *) malloc (f.__bufsize);
|
|
if (f.__buffer == NULL)
|
|
return -1;
|
|
f.__bufp = f.__buffer;
|
|
f.__put_limit = f.__buffer + f.__bufsize;
|
|
f.__mode.__write = 1;
|
|
f.__room_funcs.__output = enlarge_buffer;
|
|
f.__seen = 1;
|
|
|
|
done = vfprintf (&f, format, args);
|
|
if (done < 0)
|
|
return done;
|
|
|
|
*string_ptr = realloc (f.__buffer, (f.__bufp - f.__buffer) + 1);
|
|
if (*string_ptr == NULL)
|
|
*string_ptr = f.__buffer;
|
|
(*string_ptr)[f.__bufp - f.__buffer] = '\0';
|
|
return done;
|
|
}
|