[dm-devel] [PATCH 16/35] libmultipath: fix gcc -Wstringop-overflow warning

[mwilck]

From: Martin Wilck <mwi...@suse.com>

This fixes this gcc error message:

error: ‘strncat’ specified bound 1 equals source length
   [-Werror=stringop-overflow=]
Signed-off-by: Martin Wilck <mwi...@suse.com>
---
 libmultipath/parser.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libmultipath/parser.c b/libmultipath/parser.c
index 11a6168..4f65ba1 100644
--- a/libmultipath/parser.c
+++ b/libmultipath/parser.c
@@ -374,7 +374,7 @@ set_value(vector strvec)
                        goto oom;
                }
                if (*alloc != '\0')
-                       strncat(alloc, " ", 1);
+                       strncat(alloc, " ", len - strlen(alloc));
                strncat(alloc, str, len - strlen(alloc) - 1);
        }
        return alloc;
-- 
2.26.2


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