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zdump: stdout_write_dump: replace dfo_size() calls

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Read the `dfo_size()` value only once and then reuse it.

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
2021-10-11 07:55:52 +00:00
committed by Jan Höppner
parent f247850ff0
commit 15774dbe32
1 changed files with 3 additions and 2 deletions
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5
zdump/stdout.c
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@@ -16,6 +16,7 @@
int stdout_write_dump(void)
{
const u64 output_size = dfo_size();
u64 cnt, written = 0;
char buf[32768];
ssize_t rc;
@@ -26,7 +27,7 @@ int stdout_write_dump(void)
STDERR(" Source: %s\n", dfi_name());
STDERR(" Target: %s\n", dfo_name());
STDERR("\n");
zg_progress_init("Copying dump", dfo_size());
zg_progress_init("Copying dump", output_size);
do {
cnt = dfo_read(buf, sizeof(buf));
rc = write(STDOUT_FILENO, buf, cnt);
@@ -36,7 +37,7 @@ int stdout_write_dump(void)
ERR_EXIT("Error: Could not write full block");
written += cnt;
zg_progress(written);
} while (written != dfo_size());
} while (written != output_size);
STDERR("\n");
STDERR("Success: Dump has been copied\n");
return 0;