f309ff0a12
* Make-lang.in, boehm.c, buffer.c, buffer.h, builtins.c, class.c, config-lang.in, constants.c, convert.h, decl.c, except.c, expr.c, java-except.h, java-tree.h, javaop.def, jcf-parse.c, jcf-write.c, jv-scan.c, jvgenmain.c, jvspec.c, keyword.gperf, keyword.h, lang-options.h, lang-specs.h, lang.c, lex.c, lex.h, mangle.c, mangle_name.c, parse-scan.y, parse.h, parse.y, typeck.c, verify.c, xref.c, xref.h: Replace "GNU CC" with "GCC" in the copyright header. * check-init.c, gjavah.c, javaop.h, jcf-depend.c, jcf-dump.c, jcf-io.c, jcf-path.c, jcf-reader.c, jcf.h, zextract.c, zipfile.h: These files are "part of GCC". Also say "GCC" not "GNU CC". From-SVN: r60747
54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
/* A "buffer" utility type.
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Copyright (C) 1998, 2003 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC 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, or (at your option)
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any later version.
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GCC 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 GCC; see the file COPYING. If not, write to
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the Free Software Foundation, 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* Written by Per Bothner <bothner@cygnus.com>, July 1998. */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "buffer.h"
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/* Grow BUFP so there is room for at least SIZE more bytes. */
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void
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buffer_grow (bufp, size)
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struct buffer *bufp;
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int size;
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{
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if (bufp->limit - bufp->ptr >= size)
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return;
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if (bufp->data == 0)
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{
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if (size < 120)
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size = 120;
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bufp->data = xmalloc (size);
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bufp->ptr = bufp->data;
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}
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else
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{
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int index = bufp->ptr - bufp->data;
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size += 2 * (bufp->limit - bufp->data);
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bufp->data = xrealloc (bufp->data, size);
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bufp->ptr = bufp->data + index;
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}
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bufp->limit = bufp->data + size;
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}
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