Don't include OpenSSL headers in config.h.

Add an include of stdlib.h to various files that were relying on config.h to drag it in. I don't think config.h should be pulling in standard C headers.

cmake/include/cmakeconfig.h.in

@@ -371,30 +371,6 @@ static inline int _gldns_custom_vsnprintf(char *str, size_t size, const char *fo
 #include <sys/limits.h>
 #endif
 
-#ifdef HAVE_OPENSSL_SSL_H
-#include <openssl/ssl.h>
-#endif
-
-#ifdef HAVE_OPENSSL_EVP_H
-#include <openssl/evp.h>
-#endif
-
-#ifdef HAVE_OPENSSL_ERR_H
-#include <openssl/err.h>
-#endif
-
-#ifdef HAVE_OPENSSL_RAND_H
-#include <openssl/rand.h>
-#endif
-
-#ifdef HAVE_OPENSSL_CONF_H
-#include <openssl/conf.h>
-#endif
-
-#ifdef HAVE_OPENSSL_ENGINE_H
-#include <openssl/engine.h>
-#endif
-
 #ifdef PATH_MAX
 #define _GETDNS_PATH_MAX PATH_MAX
 #else

src/gldns/gbuffer.c

@@ -14,6 +14,7 @@
 #include "config.h"
 #include "gldns/gbuffer.h"
 #include <stdarg.h>
+#include <stdlib.h>
 
 gldns_buffer *
 gldns_buffer_new(size_t capacity)

src/gldns/parse.c

@@ -13,6 +13,7 @@
 #include "gldns/gbuffer.h"
 
 #include <limits.h>
+#include <stdlib.h>
 
 gldns_lookup_table gldns_directive_types[] = {
         { GLDNS_DIR_TTL, "$TTL" },

src/gldns/rrdef.c

@@ -16,6 +16,8 @@
 #include "gldns/rrdef.h"
 #include "gldns/parseutil.h"
 
+#include <stdlib.h>
+
 /* classes  */
 static gldns_lookup_table gldns_rr_classes_data[] = {
         { GLDNS_RR_CLASS_IN, "IN" },

src/gldns/str2wire.c

@@ -24,6 +24,7 @@
 #ifdef HAVE_NETDB_H
 #include <netdb.h>
 #endif
+#include <stdlib.h>
 
 /** return an error */
 #define RET_ERR(e, off) ((int)((e)|((off)<<GLDNS_WIREPARSE_SHIFT)))

src/util/lruhash.c

@@ -40,6 +40,8 @@
  *
  */
 
+#include <stdlib.h>
+
 #include "config.h"
 #include "util/storage/lruhash.h"
 #include "util/fptr_wlist.h"

src/util/rbtree.c

@@ -39,6 +39,8 @@
  * Implementation of a redblack tree.
  */
 
+#include <stdlib.h>
+
 #include "config.h"
 #include "log.h"
 #include "fptr_wlist.h"