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From 93422725a0a8248d97b67cdbc20e065f5164e089 Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Thu, 6 Feb 2020 10:27:48 +0000
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Subject: [PATCH] cat: Fix GCC 10 warning.
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I believe this warning is bogus, but simply initializing the local
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variable is enough to avoid it.
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log.c: In function 'do_log':
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log.c:390:7: error: 'comm_len' may be used uninitialized in this function [-Werror=maybe-uninitialized]
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390 | printf (" %.*s", (int) comm_len, comm);
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| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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(cherry picked from commit 4e199494c41d3240aa5c0708887b7a7513c6b6f2)
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---
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cat/log.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/cat/log.c b/cat/log.c
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index 25107e25f..f8a5c85f2 100644
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--- a/cat/log.c
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+++ b/cat/log.c
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@@ -337,7 +337,7 @@ do_log_journal (void)
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while ((r = guestfs_journal_next (g)) > 0) {
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CLEANUP_FREE_XATTR_LIST struct guestfs_xattr_list *xattrs = NULL;
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const char *priority_str, *identifier, *comm, *pid, *message;
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- size_t priority_len, identifier_len, comm_len, pid_len, message_len;
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+ size_t priority_len, identifier_len, comm_len = 0, pid_len, message_len;
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int priority = LOG_INFO;
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int64_t ts;
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--
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2.18.4
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