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-rw-r--r--src/_cffi_src/openssl/src/osrandom_engine.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/_cffi_src/openssl/src/osrandom_engine.c b/src/_cffi_src/openssl/src/osrandom_engine.c
index 034637c5..4fcd34fb 100644
--- a/src/_cffi_src/openssl/src/osrandom_engine.c
+++ b/src/_cffi_src/openssl/src/osrandom_engine.c
@@ -223,8 +223,10 @@ static int osrandom_rand_bytes(unsigned char *buffer, int size) {
int res;
switch(getentropy_works) {
+#if defined(__APPLE__)
case CRYPTOGRAPHY_OSRANDOM_GETENTROPY_FALLBACK:
return dev_urandom_read(buffer, size);
+#endif
case CRYPTOGRAPHY_OSRANDOM_GETENTROPY_WORKS:
while (size > 0) {
/* OpenBSD and macOS restrict maximum buffer size to 256. */