[Qemu-devel] [PULL 2/7] linux-user/elfload: Fix GCC 9 build warnings

[Laurent Vivier]

From: Alistair Francis <address@hidden>

Fix this warning when building with GCC9 on Fedora 30:
In function ‘strncpy’,
    inlined from ‘fill_psinfo’ at 
/home/alistair/qemu/linux-user/elfload.c:3208:12,
    inlined from ‘fill_note_info’ at 
/home/alistair/qemu/linux-user/elfload.c:3390:5,
    inlined from ‘elf_core_dump’ at 
/home/alistair/qemu/linux-user/elfload.c:3539:9:
/usr/include/bits/string_fortified.h:106:10: error: ‘__builtin_strncpy’ 
specified bound 16 equals destination size [-Werror=stringop-truncation]
  106 |   return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
      |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Alistair Francis <address@hidden>
Reviewed-by: Laurent Vivier <address@hidden>
Reviewed-by: Richard Henderson <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Laurent Vivier <address@hidden>
---
 linux-user/elfload.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index c1a26021f8d7..d08fe2346683 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -2872,7 +2872,7 @@ struct target_elf_prpsinfo {
     target_gid_t pr_gid;
     target_pid_t pr_pid, pr_ppid, pr_pgrp, pr_sid;
     /* Lots missing */
-    char    pr_fname[16];           /* filename of executable */
+    char    pr_fname[16] QEMU_NONSTRING; /* filename of executable */
     char    pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */
 };
 
-- 
2.20.1