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zdump: write_dump: use FILE *

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Use the more common `FILE *` for writing to the output.

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>
This commit is contained in:
Marc Hartmayer
2021-11-19 11:42:14 +01:00
committed by Jan Höppner
parent e9deec4c62
commit 697c5dc405
3 changed files with 21 additions and 17 deletions
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zdump/output.c
+5 -10
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@@ -14,15 +14,12 @@
#include "dfo.h"
#include "output.h"
int write_dump(int fd)
int write_dump(FILE *stream)
{
const u64 output_size = dfo_size();
char buf[8UL * PAGE_SIZE];
u64 written = 0;
if (fd < 0)
ERR_EXIT("fd must be a valid file descriptor");
if (!dfi_feat_copy())
ERR_EXIT("Copying not possible for %s dumps", dfi_name());
STDERR("Format Info:\n");
@@ -31,15 +28,13 @@ int write_dump(int fd)
STDERR("\n");
zg_progress_init("Copying dump", output_size);
while (written != output_size) {
ssize_t rc;
size_t rc;
u64 cnt;
cnt = dfo_read(buf, sizeof(buf));
rc = write(fd, buf, cnt);
if (rc == -1)
ERR_EXIT_ERRNO("Error: Write failed");
if (rc != (ssize_t) cnt)
ERR_EXIT("Error: Could not write full block");
rc = fwrite(buf, cnt, 1, stream);
if (rc != 1 && ferror(stream))
ERR_EXIT("Error: Write failed");
written += cnt;
zg_progress(written);
};