diff options
Diffstat (limited to 'assuan/assuan-io.c')
-rw-r--r-- | assuan/assuan-io.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/assuan/assuan-io.c b/assuan/assuan-io.c new file mode 100644 index 00000000..135cb02d --- /dev/null +++ b/assuan/assuan-io.c @@ -0,0 +1,60 @@ +/* assuan-buffer.c - Wraps the read and write functions. + * Copyright (C) 2002 Free Software Foundation, Inc. + * + * This file is part of Assuan. + * + * Assuan 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. + * + * Assuan 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 this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include <sys/types.h> +#include <unistd.h> + +extern ssize_t pth_read (int fd, void *buffer, size_t size); +extern ssize_t pth_write (int fd, const void *buffer, size_t size); + +#pragma weak pth_read +#pragma weak pth_write + +ssize_t +_assuan_read (int fd, void *buffer, size_t size) +{ + static ssize_t (*reader) (int, void *, size_t); + + if (! reader) + { + if (pth_read) + reader = pth_read; + else + reader = read; + } + + return reader (fd, buffer, size); +} + +ssize_t +_assuan_write (int fd, const void *buffer, size_t size) +{ + static ssize_t (*writer) (int, const void *, size_t); + + if (! writer) + { + if (pth_write) + writer = pth_write; + else + writer = write; + } + + return writer (fd, buffer, size); +} |