Re: [PATCH] elf.c: initialize st_mode member

[Yu, Mingli]

Ping.

Thanks,

On 2019年03月19日 16:37, mingli...@windriver.com wrote:

From: Mingli Yu <mingli...@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...@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;