libsparse: add error reporting functions

        backed_block.c \

        output_file.c \

        sparse.c \

        sparse_crc32.c

        sparse_crc32.c \

        sparse_err.c

include $(CLEAR_VARS)

int sparse_file_write(struct sparse_file *s, int fd, bool gz, bool sparse,

		bool crc);

/**

 * sparse_file_verbose - set a sparse file cookie to print verbose errors

 *

 * @s - sparse file cookie

 *

 * Print verbose sparse file errors whenever using the sparse file cookie.

 */

void sparse_file_verbose(struct sparse_file *s);

/**

 * sparse_print_verbose - function called to print verbose errors

 *

 * By default, verbose errors will print to standard error.

 * sparse_print_verbose may be overridden to log verbose errors somewhere else.

 *

 */

extern void (*sparse_print_verbose)(const char *fmt, ...);

#endif

	return 0;

}

void sparse_file_verbose(struct sparse_file *s)

{

	s->verbose = true;

}

/*

 * Copyright (C) 2012 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#include <sparse/sparse.h>

#include <stdarg.h>

#include <stdio.h>

#include <unistd.h>

void sparse_default_print(const char *fmt, ...)

{

	va_list argp;

	va_start(argp, fmt);

	vfprintf(stderr, fmt, argp);

	va_end(argp);

}

void (*sparse_print_error)(const char *fmt, ...) = sparse_default_print;

void (*sparse_print_verbose)(const char *fmt, ...) = sparse_default_print;

struct sparse_file {

	unsigned int block_size;

	int64_t len;

	bool verbose;

	struct backed_block_list *backed_block_list;

	struct output_file *out;