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[PATCH] exclude: avoid an unwarranted warning


From: Jim Meyering
Subject: [PATCH] exclude: avoid an unwarranted warning
Date: Wed, 28 Oct 2009 10:35:50 +0100

There are other ways to avoid the warning that are cleaner (outlined
on this list already), but those are more invasive, so I've taken the
easy way out, for now:

>From 57eaa6500c8afacc43b4dd301e6ff7123ee2fe48 Mon Sep 17 00:00:00 2001
From: Jim Meyering <address@hidden>
Date: Wed, 28 Oct 2009 09:26:04 +0100
Subject: [PATCH] exclude: avoid an unwarranted warning

* lib/exclude.c (excluded_file_name): Initialize "rc" before switch.
---
 ChangeLog     |    5 +++++
 lib/exclude.c |    4 +++-
 2 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 793ae50..54a79e8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2009-10-28  Jim Meyering  <address@hidden>
+
+       exclude: avoid an unwarranted warning
+       * lib/exclude.c (excluded_file_name): Initialize "rc" before switch.
+
 2009-10-27  Eric Blake  <address@hidden>

        fseek: avoid compilation failure when fflush is replaced
diff --git a/lib/exclude.c b/lib/exclude.c
index 3ceeed7..310c5ab 100644
--- a/lib/exclude.c
+++ b/lib/exclude.c
@@ -412,7 +412,9 @@ excluded_file_name (struct exclude const *ex, char const *f)
      excluded to included or vice versa.  */
   for (seg = ex->head; seg; seg = seg->next)
     {
-      bool rc;
+      /* Pacify gcc, so it doesn't issue a spurious
+        "may be used uninitialized" warning.  */
+      bool rc = excluded;

       switch (seg->type)
        {
--
1.6.5.2.344.ga473e




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