diff options
Diffstat (limited to '')
-rw-r--r-- | common/membuf.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/common/membuf.c b/common/membuf.c deleted file mode 100644 index 69e4ab908..000000000 --- a/common/membuf.c +++ /dev/null @@ -1,89 +0,0 @@ -/* membuf.c - A simple implementation of a dynamic buffer - * Copyright (C) 2001, 2003 Free Software Foundation, Inc. - * - * This file is part of GnuPG. - * - * GnuPG 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. - * - * GnuPG 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 - */ - -#include <config.h> -#include <stdlib.h> -#include <errno.h> - -#include "membuf.h" - -#include "util.h" - - -/* A simple implementation of a dynamic buffer. Use init_membuf() to - create a buffer, put_membuf to append bytes and get_membuf to - release and return the buffer. Allocation errors are detected but - only returned at the final get_membuf(), this helps not to clutter - the code with out of core checks. */ - -void -init_membuf (membuf_t *mb, int initiallen) -{ - mb->len = 0; - mb->size = initiallen; - mb->out_of_core = 0; - mb->buf = xtrymalloc (initiallen); - if (!mb->buf) - mb->out_of_core = errno; -} - - -void -put_membuf (membuf_t *mb, const void *buf, size_t len) -{ - if (mb->out_of_core) - return; - - if (mb->len + len >= mb->size) - { - char *p; - - mb->size += len + 1024; - p = xtryrealloc (mb->buf, mb->size); - if (!p) - { - mb->out_of_core = errno; - return; - } - mb->buf = p; - } - memcpy (mb->buf + mb->len, buf, len); - mb->len += len; -} - - -void * -get_membuf (membuf_t *mb, size_t *len) -{ - char *p; - - if (mb->out_of_core) - { - xfree (mb->buf); - mb->buf = NULL; - return NULL; - } - - p = mb->buf; - *len = mb->len; - mb->buf = NULL; - mb->out_of_core = ENOMEM; /* hack to make sure it won't get reused. */ - return p; -} |