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wandio_utils.h
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wandio_utils.h
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/*
* Copyright (C) 2012 The Regents of the University of California.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __WANDIO_UTILS_H
#define __WANDIO_UTILS_H
#include "config.h" /* < configure.ac must use AC_SYS_LARGEFILE */
#include <stdarg.h>
#include <wandio.h>
/** Read a line from the given wandio file pointer
*
* @param file The wandio file to read from
* @param buffer The buffer to read into
* @param len The maximum number of bytes to read
* @param chomp Should the newline be removed
* @return the number of bytes actually read
*/
off_t wandio_fgets(io_t *file, void *buffer, off_t len, int chomp);
/** Attempt to detect desired compression for an output file based on file name
*
* @param filename The filename to test for a compression extension
* @return a wandio compression type suitable for use with wandio_wcreate
*/
int wandio_detect_compression_type(const char *filename);
/** Print a string to a wandio file
*
* @param file The file to write to
* @param format The format string to write
* @param args The arguments to the format string
* @return The amount of data written, or -1 if an error occurs
*
* The arguments for this function are the same as those for vprintf(3). See the
* vprintf(3) manpage for more details.
*/
off_t wandio_vprintf(iow_t *file, const char *format, va_list args);
/** Print a string to a wandio
*
* @param file The file to write to
* @param format The format string to write
* @param ... The arguments to the format string
* @return The amount of data written, or -1 if an error occurs
*
* The arguments for this function are the same as those for printf(3). See the
* printf(3) manpage for more details.
*/
off_t wandio_printf(iow_t *file, const char *format, ...);
#endif /* __WANDIO_UTILS_H */