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/*
* zgetdump - Tool for copying and converting System z dumps
*
* Write dump to the file descriptor (fd)
*
* Copyright IBM Corp. 2001, 2017
*
* s390-tools is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
#include "zg.h"
#include "dfi.h"
#include "dfo.h"
#include "output.h"
#define BUFFER_SIZE (1 * MIB)
int write_dump(FILE *stream)
{
const u64 output_size = dfo_size();
char *buf = zg_alloc(BUFFER_SIZE);
u64 written = 0;
if (!dfi_feat_copy())
ERR_EXIT("Copying not possible for %s dumps", dfi_name());
STDERR("Format Info:\n");
STDERR(" Source: %s\n", dfi_name());
STDERR(" Target: %s\n", dfo_name());
STDERR("\n");
zg_progress_init("Copying dump", output_size);
while (written != output_size) {
size_t rc;
u64 cnt;
cnt = dfo_read(buf, BUFFER_SIZE);
rc = fwrite(buf, cnt, 1, stream);
if (rc != 1 && ferror(stream))
ERR_EXIT("Error: Write failed");
written += cnt;
zg_progress(written);
};
STDERR("\n");
STDERR("Success: Dump has been copied\n");
zg_free(buf);
return 0;
}
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