Make functions static that are only accessed from the same compilation unit

Also removed some declarations for undefined functions.

scripts/pubkey_speed.c

@@ -20,12 +20,12 @@
 #include <utils/debug.h>
 #include <credentials/keys/private_key.h>
 
-void start_timing(struct timespec *start)
+static void start_timing(struct timespec *start)
 {
 	clock_gettime(CLOCK_THREAD_CPUTIME_ID, start);
 }
 
-double end_timing(struct timespec *start)
+static double end_timing(struct timespec *start)
 {
 	struct timespec end;
 

src/libcharon/plugins/eap_radius/eap_radius_accounting.c

@@ -554,7 +554,7 @@ typedef struct {
 /**
  * Clean up interim data
  */
-void destroy_interim_data(interim_data_t *this)
+static void destroy_interim_data(interim_data_t *this)
 {
 	this->id->destroy(this->id);
 	free(this);

src/libimcv/plugins/imv_attestation/attest_db.c

@@ -181,7 +181,7 @@ struct private_attest_db_t {
 
 };
 
-char* print_cfn(pts_comp_func_name_t *cfn)
+static char* print_cfn(pts_comp_func_name_t *cfn)
 {
 	static char buf[BUF_LEN];
 	char flags[8];

src/libimcv/tcg/pts/tcg_pts_attr_simple_comp_evid.c

@@ -159,7 +159,7 @@ METHOD(pa_tnc_attr_t, set_noskip_flag,void,
 /**
  * Convert time_t to Simple Component Evidence UTS string format
  */
-void measurement_time_to_utc(time_t measurement_time, chunk_t *utc_time)
+static void measurement_time_to_utc(time_t measurement_time, chunk_t *utc_time)
 {
 	struct tm t;
 
@@ -260,7 +260,7 @@ static const int tm_leap_1970 = 477;
 /**
  * Convert Simple Component Evidence UTS string format to time_t
  */
-bool measurement_time_from_utc(time_t *measurement_time, chunk_t utc_time)
+static bool measurement_time_from_utc(time_t *measurement_time, chunk_t utc_time)
 {
 	int tm_year, tm_mon, tm_day, tm_hour, tm_min, tm_sec;
 	int tm_leap_4, tm_leap_100, tm_leap_400, tm_leap;

src/libstrongswan/collections/linked_list.c

@@ -62,7 +62,7 @@ bool linked_list_match_str(void *item, va_list args)
 /**
  * Creates an empty linked list object.
  */
-element_t *element_create(void *value)
+static element_t *element_create(void *value)
 {
 	element_t *this;
 	INIT(this,

src/libstrongswan/plugins/aesni/aesni_cmac.c

@@ -305,10 +305,10 @@ METHOD(mac_t, destroy, void,
 	free_align(this);
 }
 
-/*
- * Described in header
+/**
+ * Create a generic mac_t object using AESNI CMAC
  */
-mac_t *aesni_cmac_create(encryption_algorithm_t algo, size_t key_size)
+static mac_t *aesni_cmac_create(encryption_algorithm_t algo, size_t key_size)
 {
 	private_mac_t *this;
 

src/libstrongswan/plugins/aesni/aesni_cmac.h

@@ -26,14 +26,6 @@
 #include <crypto/prfs/prf.h>
 #include <crypto/signers/signer.h>
 
-/**
- * Create a generic mac_t object using AESNI CMAC.
- *
- * @param algo		underlying encryption algorithm
- * @param key_size	size of encryption key, in bytes
- */
-mac_t *aesni_cmac_create(encryption_algorithm_t algo, size_t key_size);
-
 /**
  * Creates a new prf_t object based AESNI CMAC.
  *

src/libstrongswan/plugins/aesni/aesni_xcbc.c

@@ -301,10 +301,10 @@ METHOD(mac_t, destroy, void,
 	free_align(this);
 }
 
-/*
- * Described in header
+/**
+ * Create a generic mac_t object using AESNI XCBC
  */
-mac_t *aesni_xcbc_create(encryption_algorithm_t algo, size_t key_size)
+static mac_t *aesni_xcbc_create(encryption_algorithm_t algo, size_t key_size)
 {
 	private_aesni_mac_t *this;
 

src/libstrongswan/plugins/aesni/aesni_xcbc.h

@@ -26,14 +26,6 @@
 #include <crypto/prfs/prf.h>
 #include <crypto/signers/signer.h>
 
-/**
- * Create a generic mac_t object using AESNI XCBC
- *
- * @param algo		underlying encryption algorithm
- * @param key_size	size of encryption key, in bytes
- */
-mac_t *aesni_xcbc_create(encryption_algorithm_t algo, size_t key_size);
-
 /**
  * Creates a new prf_t object based AESNI XCBC.
  *

src/libstrongswan/plugins/botan/botan_diffie_hellman.c

@@ -80,7 +80,7 @@ struct private_botan_diffie_hellman_t {
 /**
  * Load a DH private key
  */
-bool load_private_key(private_botan_diffie_hellman_t *this, chunk_t value)
+static bool load_private_key(private_botan_diffie_hellman_t *this, chunk_t value)
 {
 	botan_mp_t xa;
 

src/libstrongswan/plugins/cmac/cmac.c

@@ -310,10 +310,10 @@ METHOD(mac_t, destroy, void,
 	free(this);
 }
 
-/*
- * Described in header
+/**
+ * Create a generic mac_t object
  */
-mac_t *cmac_create(encryption_algorithm_t algo, size_t key_size)
+static mac_t *cmac_create(encryption_algorithm_t algo, size_t key_size)
 {
 	private_mac_t *this;
 	crypter_t *crypter;

src/libstrongswan/plugins/des/des_crypter.c

@@ -531,13 +531,6 @@ YOU SHOULD NOT HAVE BOTH DES_RISC1 AND DES_RISC2 DEFINED!!!!!
 	PERM_OP(l,r,tt, 4,0x0f0f0f0fL); \
 }
 
-#ifndef NOPROTO
-void fcrypt_body(DES_LONG *out,des_key_schedule ks,
-				 DES_LONG Eswap0, DES_LONG Eswap1);
-#else
-void fcrypt_body();
-#endif
-
 static const DES_LONG des_skb[8][64]={
 	{	/* for C bits (numbered as per FIPS 46) 1 2 3 4 5 6 */
 		0x00000000L,0x00000010L,0x20000000L,0x20000010L,

src/libstrongswan/plugins/openssl/openssl_rsa_private_key.h

@@ -73,17 +73,4 @@ openssl_rsa_private_key_t *openssl_rsa_private_key_load(key_type_t type,
  */
 private_key_t *openssl_rsa_private_key_create(EVP_PKEY *key, bool engine);
 
-/**
- * Connect to a RSA private key on a smartcard.
- *
- * Accepts the BUILD_SMARTCARD_KEYID and the BUILD_SMARTCARD_PIN
- * arguments.
- *
- * @param type		type of the key, must be KEY_RSA
- * @param args		builder_part_t argument list
- * @return 			loaded key, NULL on failure
- */
-openssl_rsa_private_key_t *openssl_rsa_private_key_connect(key_type_t type,
-														   va_list args);
-
 #endif /** OPENSSL_RSA_PRIVATE_KEY_H_ @}*/

src/libstrongswan/plugins/pkcs7/pkcs7_signed_data.c

@@ -105,7 +105,7 @@ typedef struct {
 /**
  * Destroy a signerinfo_t entry
  */
-void signerinfo_destroy(signerinfo_t *this)
+static void signerinfo_destroy(signerinfo_t *this)
 {
 	DESTROY_IF(this->attributes);
 	DESTROY_IF(this->serial);

src/libstrongswan/plugins/x509/x509_cert.c

@@ -2041,7 +2041,7 @@ static private_x509_cert_t* create_empty(void)
 /**
  * Build a generalName from an id
  */
-chunk_t build_generalName(identification_t *id)
+static chunk_t build_generalName(identification_t *id)
 {
 	int context;
 

src/libstrongswan/utils/lexparser.h

@@ -59,11 +59,6 @@ bool fetchline(chunk_t *src, chunk_t *line);
  */
 err_t extract_value(chunk_t *value, chunk_t *line);
 
-/**
- * extracts a name: value pair from a text line
- */
-err_t extract_name_value(chunk_t *name, chunk_t *value, chunk_t *line);
-
 /**
  * extracts a parameter: value from a text line
  */

src/libtnccs/plugins/tnccs_dynamic/tnccs_dynamic.c

@@ -85,7 +85,7 @@ struct private_tnccs_dynamic_t {
  * defined by section 3.5 "Interoperability with older IF-TNCCS versions" of
  * the TCG TNC IF-TNCCS TLV Bindings Version 2.0 standard.
  */
-tnccs_type_t determine_tnccs_protocol(char version)
+static tnccs_type_t determine_tnccs_protocol(char version)
 {
 	switch (version)
 	{

src/libtpmtss/tpm_tss_tss2_session.c

@@ -82,7 +82,7 @@ size_t hash_len_from_tpm_alg_id(TPM2_ALG_ID alg);
 /**
  * Convert TPM2_ALG_ID to PRF algorithm
  */
-pseudo_random_function_t prf_alg_from_tpm_alg_id(TPM2_ALG_ID alg)
+static pseudo_random_function_t prf_alg_from_tpm_alg_id(TPM2_ALG_ID alg)
 {
 	switch (alg)
 	{

src/libtpmtss/tpm_tss_tss2_v2.c

@@ -536,8 +536,8 @@ METHOD(tpm_tss_t, get_version_info, chunk_t,
 /**
  * read the public key portion of a TSS 2.0 key from NVRAM
  */
-bool read_public(private_tpm_tss_tss2_t *this, TPMI_DH_OBJECT handle,
-	TPM2B_PUBLIC *public)
+static bool read_public(private_tpm_tss_tss2_t *this, TPMI_DH_OBJECT handle,
+						TPM2B_PUBLIC *public)
 {
 	uint32_t rval;
 

src/medsrv/controller/peer_controller.c

@@ -202,7 +202,7 @@ static void add(private_peer_controller_t *this, fast_request_t *request)
 /**
  * pem encode a public key into an allocated string
  */
-char* pem_encode(chunk_t der)
+static char* pem_encode(chunk_t der)
 {
 	static const char *begin = "-----BEGIN PUBLIC KEY-----\n";
 	static const char *end = "-----END PUBLIC KEY-----";

src/pki/scep/scep.c

@@ -395,8 +395,8 @@ bool scep_http_request(const char *url, scep_op_t op, bool http_post,
 /**
  * Extract X.501 attributes
  */
-void extract_attributes(pkcs7_t *pkcs7, enumerator_t *enumerator,
-						scep_attributes_t *attrs)
+static void extract_attributes(pkcs7_t *pkcs7, enumerator_t *enumerator,
+							   scep_attributes_t *attrs)
 {
 	chunk_t attr;
 

src/starter/parser/conf_parser.c

@@ -83,14 +83,14 @@ typedef struct {
 	char *value;
 } setting_t;
 
-int setting_find(const void *a, const void *b)
+static int setting_find(const void *a, const void *b)
 {
 	const char *key = a;
 	const setting_t *setting = b;
 	return strcmp(key, setting->key);
 }
 
-int setting_sort(const void *a, const void *b, void *user)
+static int setting_sort(const void *a, const void *b, void *user)
 {
 	const setting_t *sa = a, *sb = b;
 	return strcmp(sa->key, sb->key);

src/sw-collector/sw_collector_db.c

@@ -315,7 +315,7 @@ METHOD(sw_collector_db_t, destroy, void,
 /**
  * Determine file creation data and convert it into RFC 3339 format
  */
-bool get_file_creation_date(char *pathname, char *timestamp)
+static bool get_file_creation_date(char *pathname, char *timestamp)
 {
 	struct stat st;
 	struct tm ct;