Uniform coding style: #if defined()

Current code mixes "defined()" and "defined ()"
Use Linux kernel choice so I can reuse kernel checkpatch.
sed -i 's/defined (/defined(/g'
Signed-off-by: Antonio Borneo <borneo.antonio@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

compat.c

@@ -58,7 +58,7 @@ static int oc_vasprintf(char **strp, const char *fmt, va_list ap)
 	   strings in openconnect. */
 #ifdef HAVE_VA_COPY
 	va_copy(ap2, ap);
-#elif defined (HAVE___VA_COPY)
+#elif defined(HAVE___VA_COPY)
 	__va_copy(ap2, ap);
 #else
 #error No va_copy()!

cstp.c

@@ -621,7 +621,7 @@ static int inflate_and_queue_packet(struct openconnect_info *vpninfo,
 	return 0;
 }
 
-#if defined (OPENCONNECT_OPENSSL)
+#if defined(OPENCONNECT_OPENSSL)
 static int cstp_read(struct openconnect_info *vpninfo, void *buf, int maxlen)
 {
 	int len, ret;
@@ -663,7 +663,7 @@ static int cstp_write(struct openconnect_info *vpninfo, void *buf, int buflen)
 		return -1;
 	}
 }
-#elif defined (OPENCONNECT_GNUTLS)
+#elif defined(OPENCONNECT_GNUTLS)
 static int cstp_read(struct openconnect_info *vpninfo, void *buf, int maxlen)
 {
 	int ret;
@@ -968,10 +968,10 @@ int cstp_bye(struct openconnect_info *vpninfo, const char *reason)
 	int reason_len;
 
 	/* already lost connection? */
-#if defined (OPENCONNECT_OPENSSL)
+#if defined(OPENCONNECT_OPENSSL)
 	if (!vpninfo->https_ssl)
 		return 0;
-#elif defined (OPENCONNECT_GNUTLS)
+#elif defined(OPENCONNECT_GNUTLS)
 	if (!vpninfo->https_sess)
 		return 0;
 #endif

dtls.c

@@ -105,7 +105,7 @@ int RAND_bytes(char *buf, int len)
  * their clients use anyway.
  */
 
-#if defined (DTLS_OPENSSL)
+#if defined(DTLS_OPENSSL)
 #define DTLS_SEND SSL_write
 #define DTLS_RECV SSL_read
 
@@ -271,14 +271,14 @@ int dtls_try_handshake(struct openconnect_info *vpninfo)
 			vpn_progress(vpninfo, PRG_ERR,
 				     _("Your OpenSSL is older than the one you built against, so DTLS may fail!"));
 		}
-#elif defined (HAVE_DTLS1_STOP_TIMER)
+#elif defined(HAVE_DTLS1_STOP_TIMER)
 		/*
 		 * This works for any normal OpenSSL that supports
 		 * Cisco DTLS compatibility (0.9.8m to 1.0.0d inclusive,
 		 * and even later versions although it isn't needed there.
 		 */
 		dtls1_stop_timer(vpninfo->dtls_ssl);
-#elif defined (BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT)
+#elif defined(BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT)
 		/*
 		 * Debian restricts visibility of dtls1_stop_timer()
 		 * so do it manually. This version also works on all
@@ -290,7 +290,7 @@ int dtls_try_handshake(struct openconnect_info *vpninfo)
 		BIO_ctrl(SSL_get_rbio(vpninfo->dtls_ssl),
 			 BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT, 0,
 			 &(vpninfo->dtls_ssl->d1->next_timeout));
-#elif defined (BIO_CTRL_DGRAM_SET_TIMEOUT)
+#elif defined(BIO_CTRL_DGRAM_SET_TIMEOUT)
 		/*
 		 * OK, here it gets more fun... this shoul handle the case
 		 * of older OpenSSL which has the Cisco DTLS compatibility
@@ -354,7 +354,7 @@ int dtls_try_handshake(struct openconnect_info *vpninfo)
 	return -EINVAL;
 }
 
-#elif defined (DTLS_GNUTLS)
+#elif defined(DTLS_GNUTLS)
 #include <gnutls/dtls.h>
 
 struct {
@@ -608,9 +608,9 @@ int connect_dtls_socket(struct openconnect_info *vpninfo)
 static int dtls_restart(struct openconnect_info *vpninfo)
 {
 	if (vpninfo->dtls_ssl) {
-#if defined (DTLS_OPENSSL)
+#if defined(DTLS_OPENSSL)
 		SSL_free(vpninfo->dtls_ssl);
-#elif defined (DTLS_GNUTLS)
+#elif defined(DTLS_GNUTLS)
 		gnutls_deinit(vpninfo->dtls_ssl);
 #endif
 		close(vpninfo->dtls_fd);
@@ -630,7 +630,7 @@ int setup_dtls(struct openconnect_info *vpninfo)
 	struct vpn_option *dtls_opt = vpninfo->dtls_options;
 	int dtls_port = 0;
 
-#if defined (OPENCONNECT_GNUTLS) && defined (DTLS_OPENSSL)
+#if defined(OPENCONNECT_GNUTLS) && defined(DTLS_OPENSSL)
 	/* If we're using GnuTLS for authentication but OpenSSL for DTLS,
 	   we'll need to initialise OpenSSL now... */
 	SSL_library_init ();
@@ -859,7 +859,7 @@ int dtls_mainloop(struct openconnect_info *vpninfo, int *timeout)
 			}
 			return 1;
 		}
-#elif defined (DTLS_GNUTLS)
+#elif defined(DTLS_GNUTLS)
 		ret = gnutls_record_send(vpninfo->dtls_ssl, &this->hdr[7], this->len + 1);
 		if (ret <= 0) {
 			if (ret != GNUTLS_E_AGAIN) {

gnutls.c

@@ -451,7 +451,7 @@ static int get_cert_name(gnutls_x509_crt_t cert, char *name, size_t namelen)
 	return 0;
 }
 
-#if defined (HAVE_P11KIT) || defined (HAVE_TROUSERS)
+#if defined(HAVE_P11KIT) || defined(HAVE_TROUSERS)
 #ifndef HAVE_GNUTLS_CERTIFICATE_SET_KEY
 /* For GnuTLS 2.12 even if we *have* a privkey (as we do for PKCS#11), we
    can't register it. So we have to use the cert_callback function. This
@@ -884,7 +884,7 @@ static int load_certificate(struct openconnect_info *vpninfo)
 {
 	gnutls_datum_t fdata;
 	gnutls_x509_privkey_t key = NULL;
-#if defined (HAVE_P11KIT) || defined (HAVE_TROUSERS)
+#if defined(HAVE_P11KIT) || defined(HAVE_TROUSERS)
 	gnutls_privkey_t pkey = NULL;
 	gnutls_datum_t pkey_sig = {NULL, 0};
 	void *dummy_hash_data = &load_certificate;
@@ -1056,7 +1056,7 @@ static int load_certificate(struct openconnect_info *vpninfo)
  got_certs:
 	/* Now we have either a single certificate in 'cert', or an array of
 	   them in extra_certs[]. Next we look for the private key ... */
-#if defined (HAVE_P11KIT)
+#if defined(HAVE_P11KIT)
 	if (key_is_p11) {
 		vpn_progress(vpninfo, PRG_TRACE,
 			     _("Using PKCS#11 key %s\n"), key_url);
@@ -1342,7 +1342,7 @@ static int load_certificate(struct openconnect_info *vpninfo)
 	   enabled we'll fall straight through the bit at match_cert: below, and go
 	   directly to the bit where it prints the 'no match found' error and exits. */
 
-#if defined (HAVE_P11KIT) || defined (HAVE_TROUSERS)
+#if defined(HAVE_P11KIT) || defined(HAVE_TROUSERS)
  match_cert:
 	/* If we have a privkey from PKCS#11 or TPM, we can't do the simple comparison
 	   of key ID that we do for software keys to find which certificate is a
@@ -1522,7 +1522,7 @@ static int load_certificate(struct openconnect_info *vpninfo)
 	   key and certs. GnuTLS makes us do this differently for X509 privkeys
 	   vs. TPM/PKCS#11 "generic" privkeys, and the latter is particularly
 	   'fun' for GnuTLS 2.12... */
-#if defined (HAVE_P11KIT) || defined (HAVE_TROUSERS)
+#if defined(HAVE_P11KIT) || defined(HAVE_TROUSERS)
 	if (pkey) {
 		err = assign_privkey(vpninfo, pkey,
 				     supporting_certs ? supporting_certs : &cert,
@@ -1567,7 +1567,7 @@ static int load_certificate(struct openconnect_info *vpninfo)
 	}
 	gnutls_free(extra_certs);
 
-#if defined (HAVE_P11KIT) || defined (HAVE_TROUSERS)
+#if defined(HAVE_P11KIT) || defined(HAVE_TROUSERS)
 	if (pkey && pkey != OPENCONNECT_TPM_PKEY)
 		gnutls_privkey_deinit(pkey);
 	/* If we support arbitrary privkeys, we might have abused fdata.data

gnutls.h

@@ -66,7 +66,7 @@ static inline int sign_dummy_data(struct openconnect_info *vpninfo,
 				  const gnutls_datum_t *data,
 				  gnutls_datum_t *sig)
 {
-#if defined (HAVE_TROUSERS) && !defined(HAVE_GNUTLS_CERTIFICATE_SET_KEY)
+#if defined(HAVE_TROUSERS) && !defined(HAVE_GNUTLS_CERTIFICATE_SET_KEY)
 	if (pkey == OPENCONNECT_TPM_PKEY)
 		return gtls2_tpm_sign_dummy_data(vpninfo, data, sig);
 #endif

library.c

@@ -131,9 +131,9 @@ void openconnect_vpninfo_free (struct openconnect_info *vpninfo)
 		free((void *)vpninfo->sslkey);
 	free((void *)vpninfo->cert);
 	if (vpninfo->peer_cert) {
-#if defined (OPENCONNECT_OPENSSL)
+#if defined(OPENCONNECT_OPENSSL)
 		X509_free(vpninfo->peer_cert);
-#elif defined (OPENCONNECT_GNUTLS)
+#elif defined(OPENCONNECT_GNUTLS)
 		gnutls_x509_crt_deinit(vpninfo->peer_cert);
 #endif
 		vpninfo->peer_cert = NULL;
@@ -284,19 +284,19 @@ const char *openconnect_get_version (void)
 
 int openconnect_has_pkcs11_support(void)
 {
-#if defined (OPENCONNECT_GNUTLS) && defined (HAVE_P11KIT)
+#if defined(OPENCONNECT_GNUTLS) && defined(HAVE_P11KIT)
 	return 1;
 #else
 	return 0;
 #endif
 }
 
-#if defined (OPENCONNECT_OPENSSL) && defined (HAVE_ENGINE)
+#if defined(OPENCONNECT_OPENSSL) && defined(HAVE_ENGINE)
 #include <openssl/engine.h>
 #endif
 int openconnect_has_tss_blob_support(void)
 {
-#if defined (OPENCONNECT_OPENSSL) && defined (HAVE_ENGINE)
+#if defined(OPENCONNECT_OPENSSL) && defined(HAVE_ENGINE)
 	ENGINE *e;
 
 	ENGINE_load_builtin_engines();
@@ -306,7 +306,7 @@ int openconnect_has_tss_blob_support(void)
 		ENGINE_free(e);
 		return 1;
 	}
-#elif defined (OPENCONNECT_GNUTLS) && defined (HAVE_TROUSERS)
+#elif defined(OPENCONNECT_GNUTLS) && defined(HAVE_TROUSERS)
 	return 1;
 #endif
 	return 0;

main.c

@@ -190,9 +190,9 @@ static void print_build_opts(void)
 {
 	const char *comma = ", ", *sep = comma + 1;
 
-#if defined (OPENCONNECT_OPENSSL)
+#if defined(OPENCONNECT_OPENSSL)
 	printf(_("Using OpenSSL. Features present:"));
-#elif defined (OPENCONNECT_GNUTLS)
+#elif defined(OPENCONNECT_GNUTLS)
 	printf(_("Using GnuTLS. Features present:"));
 #endif
 
@@ -200,7 +200,7 @@ static void print_build_opts(void)
 		printf("%sTPM", sep);
 		sep = comma;
 	}
-#if defined (OPENCONNECT_OPENSSL) && defined (HAVE_ENGINE)
+#if defined(OPENCONNECT_OPENSSL) && defined(HAVE_ENGINE)
 	else {
 		printf("%sTPM (%s)", sep, _("OpenSSL ENGINE not present"));
 		sep = comma;
@@ -217,7 +217,7 @@ static void print_build_opts(void)
 
 #ifdef HAVE_DTLS
 	printf("%sDTLS", sep);
-#if defined (OPENCONNECT_GNUTLS) && defined (DTLS_OPENSSL)
+#if defined(OPENCONNECT_GNUTLS) && defined(DTLS_OPENSSL)
 	printf(" (%s)", _("using OpenSSL"));
 #endif
 	printf("\n");

openconnect-internal.h

@@ -28,7 +28,7 @@
 
 #include "openconnect.h"
 
-#if defined (OPENCONNECT_OPENSSL) || defined(DTLS_OPENSSL)
+#if defined(OPENCONNECT_OPENSSL) || defined(DTLS_OPENSSL)
 #include <openssl/ssl.h>
 #include <openssl/err.h>
 /* Ick */
@@ -39,7 +39,7 @@
 #endif
 #endif /* OPENSSL */
 
-#if defined (OPENCONNECT_GNUTLS)
+#if defined(OPENCONNECT_GNUTLS)
 #include <gnutls/gnutls.h>
 #include <gnutls/abstract.h>
 #include <gnutls/x509.h>
@@ -312,8 +312,8 @@ struct openconnect_info {
 	openconnect_progress_vfn progress;
 };
 
-#if (defined (DTLS_OPENSSL) && defined (SSL_OP_CISCO_ANYCONNECT)) || \
-    (defined (DTLS_GNUTLS) && defined (HAVE_GNUTLS_SESSION_SET_PREMASTER))
+#if (defined(DTLS_OPENSSL) && defined(SSL_OP_CISCO_ANYCONNECT)) || \
+    (defined(DTLS_GNUTLS) && defined(HAVE_GNUTLS_SESSION_SET_PREMASTER))
 #define HAVE_DTLS 1
 #endif
 
@@ -385,7 +385,7 @@ int  __attribute__ ((format (printf, 2, 3)))
     openconnect_SSL_printf(struct openconnect_info *vpninfo, const char *fmt, ...);
 int openconnect_print_err_cb(const char *str, size_t len, void *ptr);
 #define openconnect_report_ssl_errors(v) ERR_print_errors_cb(openconnect_print_err_cb, (v))
-#if defined (FAKE_ANDROID_KEYSTORE) || defined (ANDROID)
+#if defined(FAKE_ANDROID_KEYSTORE) || defined(ANDROID)
 #define ANDROID_KEYSTORE
 #endif
 #ifdef ANDROID_KEYSTORE

ssl.c

@@ -40,9 +40,9 @@
 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__APPLE__)
 #include <sys/param.h>
 #include <sys/mount.h>
-#elif defined (__sun__) || defined(__NetBSD__) || defined(__DragonFly__)
+#elif defined(__sun__) || defined(__NetBSD__) || defined(__DragonFly__)
 #include <sys/statvfs.h>
-#elif defined (__GNU__)
+#elif defined(__GNU__)
 #include <sys/statfs.h>
 #endif
 
@@ -381,7 +381,7 @@ int openconnect_passphrase_from_fsid(struct openconnect_info *vpninfo)
 }
 #endif
 
-#if defined(OPENCONNECT_OPENSSL) || defined (DTLS_OPENSSL)
+#if defined(OPENCONNECT_OPENSSL) || defined(DTLS_OPENSSL)
 /* We put this here rather than in openssl.c because it might be needed
    for OpenSSL DTLS support even when GnuTLS is being used for HTTPS */
 int openconnect_print_err_cb(const char *str, size_t len, void *ptr)
@@ -434,7 +434,7 @@ int keystore_fetch(const char *key, unsigned char **result)
 	close(fd);
 	return ret;
 }
-#elif defined (ANDROID_KEYSTORE)
+#elif defined(ANDROID_KEYSTORE)
 /* keystore.h isn't in the NDK so we need to define these */
 #define NO_ERROR		1
 #define LOCKED			2

tun.c

@@ -523,7 +523,7 @@ static int os_setup_tun(struct openconnect_info *vpninfo)
 	}
 	if (!vpninfo->ifname)
 		vpninfo->ifname = strdup(ifr.ifr_name);
-#elif defined (__sun__)
+#elif defined(__sun__)
 	static char tun_name[80];
 	int unit_nr;