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https://github.com/ibm-s390-linux/s390-tools.git
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7567506cca
Replace magic value with something easier to read. Reviewed-by: Alexander Egorenkov <egorenar@linux.ibm.com> Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com> Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
/*
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* zgetdump - Tool for copying and converting System z dumps
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*
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* Write dump to standard output (stdout)
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*
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* Copyright IBM Corp. 2001, 2017
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#include "zg.h"
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#include "dfi.h"
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#include "dfo.h"
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#include "stdout.h"
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int stdout_write_dump(void)
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{
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const u64 output_size = dfo_size();
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char buf[8UL * PAGE_SIZE];
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u64 written = 0;
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if (!dfi_feat_copy())
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ERR_EXIT("Copying not possible for %s dumps", dfi_name());
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STDERR("Format Info:\n");
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STDERR(" Source: %s\n", dfi_name());
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STDERR(" Target: %s\n", dfo_name());
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STDERR("\n");
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zg_progress_init("Copying dump", output_size);
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while (written != output_size) {
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ssize_t rc;
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u64 cnt;
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cnt = dfo_read(buf, sizeof(buf));
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rc = write(STDOUT_FILENO, buf, cnt);
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if (rc == -1)
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ERR_EXIT_ERRNO("Error: Write failed");
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if (rc != (ssize_t) cnt)
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ERR_EXIT("Error: Could not write full block");
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written += cnt;
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zg_progress(written);
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};
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STDERR("\n");
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STDERR("Success: Dump has been copied\n");
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return 0;
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}
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