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| author | Laurent Bercot <ska-skaware@skarnet.org> | 2026-01-01 13:47:45 +0000 |
|---|---|---|
| committer | Laurent Bercot <ska-skaware@skarnet.org> | 2026-01-01 13:47:45 +0000 |
| commit | e99182dab3093f1645f9e4ff216aa752d7443fb1 (patch) | |
| tree | 175a373c32a58783edd41901d4baf6e68626c7ec /src/librandom | |
| parent | 45137c6466050c9468931713a7504eae3d08bfce (diff) | |
| download | skalibs-e99182dab3093f1645f9e4ff216aa752d7443fb1.tar.gz | |
Save/restore errno in all safe wrappers
Diffstat (limited to 'src/librandom')
| -rw-r--r-- | src/librandom/random_buf_early.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/librandom/random_buf_early.c b/src/librandom/random_buf_early.c index d14cd24..8af75b3 100644 --- a/src/librandom/random_buf_early.c +++ b/src/librandom/random_buf_early.c @@ -24,6 +24,7 @@ void random_buf_early (char *s, size_t n) { static int broken = 0 ; if (broken) goto bleh ; + int e = errno ; while (n) { ssize_t r = getrandom(s, n, GRND_INSECURE) ; @@ -35,9 +36,11 @@ void random_buf_early (char *s, size_t n) s += r ; n -= r ; } + errno = e ; return ; breakit: broken = 1 ; + errno = e ; bleh: random_devurandom(s, n) ; } |