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[PATCH] elf.c: initialize st_mode member
- From: <mingli dot yu at windriver dot com>
- To: <gcc-patches at gcc dot gnu dot org>
- Date: Tue, 19 Mar 2019 16:37:45 +0800
- Subject: [PATCH] elf.c: initialize st_mode member
From: Mingli Yu <Mingli.Yu@windriver.com>
Initialize st_mode member to fix the below
build failure when -Og included in compiler flag.
| ./../../../../../../../../work-shared/gcc-8.3.0-r0/gcc-8.3.0/libsanitizer/libbacktrace/../../libbacktrace/elf.c: In function 'elf_is_symlink':
| ../../../../../../../../../work-shared/gcc-8.3.0-r0/gcc-8.3.0/libsanitizer/libbacktrace/../../libbacktrace/elf.c:772:21: error: 'st.st_mode' may be used uninitialized in this function [-Werror=maybe-uninitialized]
return S_ISLNK (st.st_mode);
Signed-off-by: Mingli Yu <Mingli.Yu@windriver.com>
---
libbacktrace/elf.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libbacktrace/elf.c b/libbacktrace/elf.c
index f4863f0..561bdc2 100644
--- a/libbacktrace/elf.c
+++ b/libbacktrace/elf.c
@@ -766,6 +766,7 @@ static int
elf_is_symlink (const char *filename)
{
struct stat st;
+ st.st_mode = 0;
if (lstat (filename, &st) < 0)
return 0;
--
2.7.4