/*
This file is part of GNUnet.
- (C) 2009 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2009 GNUnet e.V.
GNUnet 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
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
- * @file include/gnunet_bio_lib.h
- * @brief buffered IO API
* @author Christian Grothoff
+ *
+ * @file
+ * Buffered IO library
+ *
+ * @defgroup bio BIO library
+ * Buffered binary disk IO (with endianess conversion)
+ * @{
*/
#ifndef GNUNET_BIO_LIB_H
*
* @param h file handle
* @param emsg set to the error message
- * @return GNUNET_OK on success, GNUNET_SYSERR otherwise
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR otherwise
*/
int
GNUNET_BIO_read_close (struct GNUNET_BIO_ReadHandle *h, char **emsg);
* @param what describes what is being read (for error message creation)
* @param result the buffer to write the result to
* @param len the number of bytes to read
- * @return GNUNET_OK on success, GNUNET_SYSERR on failure
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on failure
*/
int
GNUNET_BIO_read (struct GNUNET_BIO_ReadHandle *h, const char *what,
* @param line line number in the source file
* @param result the buffer to write the result to
* @param len the number of bytes to read
- * @return GNUNET_OK on success, GNUNET_SYSERR on failure
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on failure
*/
int
-GNUNET_BIO_read_fn (struct GNUNET_BIO_ReadHandle *h, const char *file, int line,
+GNUNET_BIO_read_fn (struct GNUNET_BIO_ReadHandle *h,
+ const char *file, int line,
void *result, size_t len);
/**
* @param what describes what is being read (for error message creation)
* @param result the buffer to store a pointer to the (allocated) string to
* (note that *result could be set to NULL as well)
- * @param maxLen maximum allowed length for the string
- * @return GNUNET_OK on success, GNUNET_SYSERR on failure
+ * @param max_length maximum allowed length for the string
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on failure
*/
int
GNUNET_BIO_read_string (struct GNUNET_BIO_ReadHandle *h, const char *what,
- char **result, size_t maxLen);
+ char **result, size_t max_length);
/**
* @param h handle to an open file
* @param what describes what is being read (for error message creation)
* @param result the buffer to store a pointer to the (allocated) metadata
- * @return GNUNET_OK on success, GNUNET_SYSERR on failure
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on failure
*/
int
GNUNET_BIO_read_meta_data (struct GNUNET_BIO_ReadHandle *h, const char *what,
* @param file name of the source file
* @param line line number in the code
* @param i address of 32-bit integer to read
- * @return GNUNET_OK on success, GNUNET_SYSERR on error
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
int
GNUNET_BIO_read_int32__ (struct GNUNET_BIO_ReadHandle *h, const char *file,
* @param file name of the source file
* @param line line number in the code
* @param i address of 64-bit integer to read
- * @return GNUNET_OK on success, GNUNET_SYSERR on error
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
int
GNUNET_BIO_read_int64__ (struct GNUNET_BIO_ReadHandle *h, const char *file,
* @param h handle to open file
* @param buffer the data to write
* @param n number of bytes to write
- * @return GNUNET_OK on success, GNUNET_SYSERR on error
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
int
GNUNET_BIO_write (struct GNUNET_BIO_WriteHandle *h, const void *buffer,
size_t n);
+/**
+ * Force a buffered writer to flush its buffer
+ *
+ * @param h the writer handle
+ * @return #GNUNET_OK upon success. Upon failure #GNUNET_SYSERR is returned and
+ * the file is closed
+ */
+int
+GNUNET_BIO_flush (struct GNUNET_BIO_WriteHandle *h);
+
+
/**
* Write a string to a file.
*
* @param h handle to open file
* @param s string to write (can be NULL)
- * @return GNUNET_OK on success, GNUNET_SYSERR on error
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
int
GNUNET_BIO_write_string (struct GNUNET_BIO_WriteHandle *h, const char *s);
-
-
/**
* Write metadata container to a file.
*
* @param h handle to open file
* @param m metadata to write
- * @return GNUNET_OK on success, GNUNET_SYSERR on error
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
int
GNUNET_BIO_write_meta_data (struct GNUNET_BIO_WriteHandle *h,
* Write an (u)int32_t.
*
* @param h hande to open file
- * @param i address of 32-bit integer to write
- * @return GNUNET_OK on success, GNUNET_SYSERR on error
+ * @param i 32-bit integer to write
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
int
GNUNET_BIO_write_int32 (struct GNUNET_BIO_WriteHandle *h, int32_t i);
* Write an (u)int64_t.
*
* @param h hande to open file
- * @param i address of 64-bit integer to write
- * @return GNUNET_OK on success, GNUNET_SYSERR on error
+ * @param i 64-bit integer to write
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
int
GNUNET_BIO_write_int64 (struct GNUNET_BIO_WriteHandle *h, int64_t i);
/* ifndef GNUNET_BIO_LIB_H */
#endif
+
+/** @} */ /* end of group bio */
+
/* end of gnunet_bio_lib.h */