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-rw-r--r--lib/getrandom.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/getrandom.c b/lib/getrandom.c
index ad49cae896..f0b3f53500 100644
--- a/lib/getrandom.c
+++ b/lib/getrandom.c
@@ -98,7 +98,8 @@ initialize (void)
#endif
/* Set BUFFER (of size LENGTH) to random bytes under the control of FLAGS.
- Return the number of bytes written, or -1 on error. */
+ Return the number of bytes written (> 0).
+ Upon error, return -1 and set errno. */
ssize_t
getrandom (void *buffer, size_t length, unsigned int flags)
#undef getrandom