From 748eb991f49585a609ec65b0d8d26835a2911045 Mon Sep 17 00:00:00 2001
From: "Dr. Matthias St. Pierre" <Matthias.St.Pierre@ncp-e.com>
Date: Tue, 5 Jun 2018 23:22:06 +0200
Subject: [PATCH] RAND_POOL: Add missing implementations for djgpp

Calling the functions rand_pool_add_{additional,nonce}_data()
in crypto/rand/rand_lib.c with no implementation for djgpp/MSDOS
causees unresolved symbols when linking with djgpp.

Reported and fixed by Gisle Vanem

Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6421)
---
 crypto/rand/rand_unix.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/crypto/rand/rand_unix.c b/crypto/rand/rand_unix.c
index 798908120d..fafa359d49 100644
--- a/crypto/rand/rand_unix.c
+++ b/crypto/rand/rand_unix.c
@@ -27,7 +27,8 @@
 #if defined(__OpenBSD__) || defined(__NetBSD__)
 # include <sys/param.h>
 #endif
-#ifdef OPENSSL_SYS_UNIX
+
+#if defined(OPENSSL_SYS_UNIX) || defined(__DJGPP__)
 # include <sys/types.h>
 # include <unistd.h>
 # include <sys/time.h>
@@ -70,7 +71,7 @@ static uint64_t get_timer_bits(void);
 #   define OSSL_POSIX_TIMER_OKAY
 #  endif
 # endif
-#endif
+#endif /* defined(OPENSSL_SYS_UNIX) || defined(__DJGPP__) */
 
 int syscall_random(void *buf, size_t buflen);
 
@@ -392,7 +393,7 @@ size_t rand_pool_acquire_entropy(RAND_POOL *pool)
 # endif
 #endif
 
-#ifdef OPENSSL_SYS_UNIX
+#if defined(OPENSSL_SYS_UNIX) || defined(__DJGPP__)
 int rand_pool_add_nonce_data(RAND_POOL *pool)
 {
     struct {
@@ -512,4 +513,4 @@ static uint64_t get_timer_bits(void)
 # endif
     return time(NULL);
 }
-#endif
+#endif /* defined(OPENSSL_SYS_UNIX) || defined(__DJGPP__) */
-- 
2.25.1