diff options
| author | Chen Gang <gang.chen.5i5j@gmail.com> | 2015-01-22 16:40:51 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2015-01-22 09:40:51 -0700 |
| commit | 0c7990560b5c901884b0c2f5464c3240c0ee02cb (patch) | |
| tree | 3b0f3d1cdd2843bf451a763f8e644194a160d89e /gcc | |
| parent | e34a176a117fb0732f3b2da7e6f0aca3cc67a82e (diff) | |
| download | gcc-0c7990560b5c901884b0c2f5464c3240c0ee02cb.zip gcc-0c7990560b5c901884b0c2f5464c3240c0ee02cb.tar.gz gcc-0c7990560b5c901884b0c2f5464c3240c0ee02cb.tar.bz2 | |
toplev.c (init_local_tick): Process the failure when read fails for random_seed.
* toplev.c (init_local_tick): Process the failure when read
fails for random_seed.
From-SVN: r220006
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/toplev.c | 4 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index b636b51..aeddcb8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ 2015-01-23 Chen Gang <gang.chen.5i5j@gmail.com> + * toplev.c (init_local_tick): Process the failure when read + fails for random_seed. + * ubsan.c (ubsan_type_descriptor): Use 'pretty_print' for 'pretty_name' to avoid memory overflow. diff --git a/gcc/toplev.c b/gcc/toplev.c index 7bf177f..15b85e1 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -295,7 +295,9 @@ init_local_tick (void) int fd = open ("/dev/urandom", O_RDONLY); if (fd >= 0) { - read (fd, &random_seed, sizeof (random_seed)); + if (read (fd, &random_seed, sizeof (random_seed)) + != sizeof (random_seed)) + random_seed = 0; close (fd); } |