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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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19
zdump/zgetdump.c
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@@ -156,8 +156,9 @@ static int do_mount(void)
return rc;
}
static int open_file_for_writing(const char *output)
static FILE *open_file_for_writing(const char *output)
{
FILE *stream;
int fd;
if (output) {
@@ -172,7 +173,12 @@ static int open_file_for_writing(const char *output)
ERR_EXIT_ERRNO("Could not dup() stdout");
}
return fd;
stream = fdopen(fd, "w");
if (!stream)
ERR_EXIT_ERRNO("Could not fdopen()");
fd = -1;
return stream;
}
/*
@@ -180,15 +186,16 @@ static int open_file_for_writing(const char *output)
*/
static int do_copy(const char *output)
{
int rc, fd;
FILE *stream;
int rc;
if (dfi_init() != 0)
ERR_EXIT("Dump cannot be processed (is not complete)");
dfo_init();
kdump_select_check();
fd = open_file_for_writing(output);
rc = write_dump(fd);
close(fd);
stream = open_file_for_writing(output);
rc = write_dump(stream);
fclose(stream);
dfi_exit();
return rc;
}