include/openssl: add a few missing #pragma once directives

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Matthias St. Pierre <Matthias.St.Pierre@ncp-e.com>
(Merged from https://github.com/openssl/openssl/pull/14096)

20 files changed, 56 insertions, 14 deletions

diff --git a/include/openssl/cmp_util.h b/include/openssl/cmp_util.h
index becbc9208e..5de50d7a9a 100644
--- a/include/openssl/cmp_util.h
+++ b/include/openssl/cmp_util.h
@@ -11,6 +11,7 @@
 
 #ifndef OPENSSL_CMP_UTIL_H
 # define OPENSSL_CMP_UTIL_H
+# pragma once
 
 # include <openssl/opensslconf.h>
 # ifndef OPENSSL_NO_CMP
diff --git a/include/openssl/configuration.h.in b/include/openssl/configuration.h.in
index 00a4fc0aa3..c1a5f8c485 100644
--- a/include/openssl/configuration.h.in
+++ b/include/openssl/configuration.h.in
@@ -11,6 +11,7 @@
 
 #ifndef OPENSSL_CONFIGURATION_H
 # define OPENSSL_CONFIGURATION_H
+# pragma once
 
 # ifdef  __cplusplus
 extern "C" {
diff --git a/include/openssl/core.h b/include/openssl/core.h
index 80ba32d9bf..9a183da4e8 100644
--- a/include/openssl/core.h
+++ b/include/openssl/core.h
@@ -9,6 +9,7 @@
 
 #ifndef OPENSSL_CORE_H
 # define OPENSSL_CORE_H
+# pragma once
 
 # include <stddef.h>
 # include <openssl/types.h>
diff --git a/include/openssl/core_dispatch.h b/include/openssl/core_dispatch.h
index a8e9e52151..1689778c72 100644
--- a/include/openssl/core_dispatch.h
+++ b/include/openssl/core_dispatch.h
@@ -9,6 +9,7 @@
 
 #ifndef OPENSSL_CORE_NUMBERS_H
 # define OPENSSL_CORE_NUMBERS_H
+# pragma once
 
 # include <stdarg.h>
 # include <openssl/core.h>
diff --git a/include/openssl/core_names.h b/include/openssl/core_names.h
index ff2d1a03f9..a9ab57dbff 100644
--- a/include/openssl/core_names.h
+++ b/include/openssl/core_names.h
@@ -9,6 +9,7 @@
 
 #ifndef OPENSSL_CORE_NAMES_H
 # define OPENSSL_CORE_NAMES_H
+# pragma once
 
 # ifdef __cplusplus
 extern "C" {
diff --git a/include/openssl/core_object.h b/include/openssl/core_object.h
index 395279d7bc..6b31a6b421 100644
--- a/include/openssl/core_object.h
+++ b/include/openssl/core_object.h
@@ -9,6 +9,7 @@
 
 #ifndef OPENSSL_CORE_OBJECT_H
 # define OPENSSL_CORE_OBJECT_H
+# pragma once
 
 # ifdef __cplusplus
 extern "C" {
diff --git a/include/openssl/crypto.h.in b/include/openssl/crypto.h.in
index 0b9aeefe04..356eaaabf1 100644
--- a/include/openssl/crypto.h.in
+++ b/include/openssl/crypto.h.in
@@ -14,7 +14,6 @@
 use OpenSSL::stackhash qw(generate_stack_macros);
 -}
 
-
 #ifndef OPENSSL_CRYPTO_H
 # define OPENSSL_CRYPTO_H
 # pragma once
diff --git a/include/openssl/ess.h.in b/include/openssl/ess.h.in
index 185bdd8f8b..2522912f2f 100644
--- a/include/openssl/ess.h.in
+++ b/include/openssl/ess.h.in
@@ -15,16 +15,18 @@ use OpenSSL::stackhash qw(generate_stack_macros);
 
 #ifndef OPENSSL_ESS_H
 # define OPENSSL_ESS_H
+# pragma once
 
 # include <openssl/opensslconf.h>
 
-# ifdef  __cplusplus
-extern "C" {
-# endif
 # include <openssl/safestack.h>
 # include <openssl/x509.h>
 # include <openssl/esserr.h>
 
+# ifdef  __cplusplus
+extern "C" {
+# endif
+
 
 typedef struct ESS_issuer_serial ESS_ISSUER_SERIAL;
 typedef struct ESS_cert_id ESS_CERT_ID;
diff --git a/include/openssl/fips_names.h b/include/openssl/fips_names.h
index b42fe503f9..4bd579cb3a 100644
--- a/include/openssl/fips_names.h
+++ b/include/openssl/fips_names.h
@@ -9,6 +9,7 @@
 
 #ifndef OPENSSL_FIPS_NAMES_H
 # define OPENSSL_FIPS_NAMES_H
+# pragma once
 
 # ifdef __cplusplus
 extern "C" {
diff --git a/include/openssl/fipskey.h.in b/include/openssl/fipskey.h.in
index eaa1798772..367fe20471 100644
--- a/include/openssl/fipskey.h.in
+++ b/include/openssl/fipskey.h.in
@@ -11,6 +11,7 @@
 
 #ifndef OPENSSL_FIPSKEY_H
 # define OPENSSL_FIPSKEY_H
+# pragma once
 
 # ifdef  __cplusplus
 extern "C" {
diff --git a/include/openssl/kdferr.h b/include/openssl/kdferr.h
index d339871f6a..52d8e14a26 100644
--- a/include/openssl/kdferr.h
+++ b/include/openssl/kdferr.h
@@ -7,4 +7,10 @@
  * https://www.openssl.org/source/license.html
  */
 
+#ifndef OPENSSL_KDFERR_H
+# define OPENSSL_KDFERR_H
+# pragma once
+
 #include <openssl/cryptoerr_legacy.h>
+
+#endif /* !defined(OPENSSL_KDFERR_H) */
diff --git a/include/openssl/macros.h b/include/openssl/macros.h
index d22bab91dc..4de30968d2 100644
--- a/include/openssl/macros.h
+++ b/include/openssl/macros.h
@@ -7,11 +7,13 @@
  * https://www.openssl.org/source/license.html
  */
 
+#ifndef OPENSSL_MACROS_H
+# define OPENSSL_MACROS_H
+# pragma once
+
 #include <openssl/opensslconf.h>
 #include <openssl/opensslv.h>
 
-#ifndef OPENSSL_MACROS_H
-# define OPENSSL_MACROS_H
 
 /* Helper macros for CPP string composition */
 # define OPENSSL_MSTR_HELPER(x) #x
diff --git a/include/openssl/obj_mac.h b/include/openssl/obj_mac.h
index 9bf4e3b86f..367f72f3c3 100644
--- a/include/openssl/obj_mac.h
+++ b/include/openssl/obj_mac.h
@@ -9,6 +9,10 @@
  * https://www.openssl.org/source/license.html
  */
 
+#ifndef OPENSSL_OBJ_MAC_H
+# define OPENSSL_OBJ_MAC_H
+# pragma once
+
 #define SN_undef                        "UNDEF"
 #define LN_undef                        "undefined"
 #define NID_undef                       0
@@ -5420,6 +5424,8 @@
 #define LN_aes_256_siv          "aes-256-siv"
 #define NID_aes_256_siv         1200
 
+#endif /* OPENSSL_OBJ_MAC_H */
+
 #ifndef OPENSSL_NO_DEPRECATED_3_0
 
 #define SN_id_tc26_cipher_gostr3412_2015_magma_ctracpkm                 SN_magma_ctr_acpkm
@@ -5464,4 +5470,4 @@
 #define SN_grasshopper_mac              SN_kuznyechik_mac
 #define NID_grasshopper_mac             NID_kuznyechik_mac
 
-#endif
+#endif  /* OPENSSL_NO_DEPRECATED_3_0 */
diff --git a/include/openssl/opensslconf.h b/include/openssl/opensslconf.h
index 9a49bceea3..6a2de489b0 100644
--- a/include/openssl/opensslconf.h
+++ b/include/openssl/opensslconf.h
@@ -9,8 +9,9 @@
 
 #ifndef OPENSSL_OPENSSLCONF_H
 # define OPENSSL_OPENSSLCONF_H
+# pragma once
 
-#include <openssl/configuration.h>
-#include <openssl/macros.h>
+# include <openssl/configuration.h>
+# include <openssl/macros.h>
 
 #endif  /* OPENSSL_OPENSSLCONF_H */
diff --git a/include/openssl/param_build.h b/include/openssl/param_build.h
index 58ad9be732..eec500d340 100644
--- a/include/openssl/param_build.h
+++ b/include/openssl/param_build.h
@@ -8,8 +8,16 @@
  * https://www.openssl.org/source/license.html
  */
 
-#include <openssl/params.h>
-#include <openssl/types.h>
+#ifndef OPENSSL_PARAM_BUILD_H
+# define OPENSSL_PARAM_BUILD_H
+# pragma once
+
+# include <openssl/params.h>
+# include <openssl/types.h>
+
+# ifdef __cplusplus
+extern "C" {
+# endif
 
 OSSL_PARAM_BLD *OSSL_PARAM_BLD_new(void);
 OSSL_PARAM *OSSL_PARAM_BLD_to_param(OSSL_PARAM_BLD *bld);
@@ -49,3 +57,8 @@ int OSSL_PARAM_BLD_push_octet_string(OSSL_PARAM_BLD *bld, const char *key,
                                      const void *buf, size_t bsize);
 int OSSL_PARAM_BLD_push_octet_ptr(OSSL_PARAM_BLD *bld, const char *key,
                                   void *buf, size_t bsize);
+
+# ifdef __cplusplus
+}
+# endif
+#endif  /* OPENSSL_PARAM_BUILD_H */
diff --git a/include/openssl/params.h b/include/openssl/params.h
index 8c14ca227f..ee592189a1 100644
--- a/include/openssl/params.h
+++ b/include/openssl/params.h
@@ -10,6 +10,7 @@
 
 #ifndef OPENSSL_PARAMS_H
 # define OPENSSL_PARAMS_H
+# pragma once
 
 # include <openssl/core.h>
 # include <openssl/bn.h>
diff --git a/include/openssl/provider.h b/include/openssl/provider.h
index 80a1b412ed..3f2ce38701 100644
--- a/include/openssl/provider.h
+++ b/include/openssl/provider.h
@@ -9,6 +9,7 @@
 
 #ifndef OPENSSL_PROVIDER_H
 # define OPENSSL_PROVIDER_H
+# pragma once
 
 # include <openssl/core.h>
 
diff --git a/include/openssl/self_test.h b/include/openssl/self_test.h
index 17a78052d5..11722c3163 100644
--- a/include/openssl/self_test.h
+++ b/include/openssl/self_test.h
@@ -9,6 +9,7 @@
 
 #ifndef OPENSSL_SELF_TEST_H
 # define OPENSSL_SELF_TEST_H
+# pragma once
 
 # include <openssl/core.h> /* OSSL_CALLBACK */
 
diff --git a/include/openssl/trace.h b/include/openssl/trace.h
index a0894ee2a4..8bdc08b037 100644
--- a/include/openssl/trace.h
+++ b/include/openssl/trace.h
@@ -9,6 +9,7 @@
 
 #ifndef OPENSSL_TRACE_H
 # define OPENSSL_TRACE_H
+# pragma once
 
 # include <stdarg.h>
 
diff --git a/include/openssl/types.h b/include/openssl/types.h
index 2dc3606a90..bf5846db05 100644
--- a/include/openssl/types.h
+++ b/include/openssl/types.h
@@ -9,12 +9,13 @@
 
 #ifndef OPENSSL_TYPES_H
 # define OPENSSL_TYPES_H
+# pragma once
 
-#include <limits.h>
+# include <limits.h>
 
-#ifdef  __cplusplus
+# ifdef  __cplusplus
 extern "C" {
-#endif
+# endif
 
 # include <openssl/e_os2.h>
 # include <openssl/safestack.h>