apps & al : Fix various typos, repeated words, align some spelling to LDP.

Mostly revamped from #16712
- fall thru -> fall through
- time stamp -> timestamp
- host name -> hostname
- ipv6 -> IPv6

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19059)

Configurations/README.md

@@ -578,7 +578,7 @@ They are all expected to return a string with the lines they produce.
                                   objs => [ "PATH/TO/objectfile", ... ],
                                   deps => [ "PATH/TO/otherlibfile", ... ]);
 
-                  'lib' has the base (static) library ffile name
+                  'lib' has the base (static) library filename
                   *without* extension.  This is useful in case
                   supporting files are needed (such as import
                   libraries on Windows).

apps/demoSRP/srp_verifier.txt

@@ -1,6 +1,6 @@
 # This is a file that will be filled by the openssl srp routine.
 # You can initialize the file with additional groups, these are
-# records starting with a I followed by the g and N values and the id.
+# records starting with an I followed by the g and N values and the id.
 # The exact values ... you have to dig this out from the source of srp.c
 # or srp_vfy.c
 # The last value of an I is used as the default group for new users.

apps/dhparam.c

@@ -283,7 +283,7 @@ int dhparam_main(int argc, char **argv)
                 * because, unlike PEM, there is no header to declare what
                 * the contents of the DER file are. The decoders just try
                 * and guess. Unfortunately with DHX key types they may guess
-                * wrong and think we have a DSA keytype. Therefore we try
+                * wrong and think we have a DSA keytype. Therefore, we try
                 * both DH and DHX sequentially.
                 */
                 keytype = "DHX";
@@ -365,7 +365,7 @@ int dhparam_main(int argc, char **argv)
 }
 
 /*
- * Historically we had the low level call DSA_dup_DH() to do this.
+ * Historically we had the low-level call DSA_dup_DH() to do this.
  * That is now deprecated with no replacement. Since we still need to do this
  * for backwards compatibility reasons, we do it "manually".
  */

apps/engine.c

@@ -347,7 +347,7 @@ int engine_main(int argc, char **argv)
             break;
         case OPT_TT:
             test_avail_noise++;
-            /* fall thru */
+            /* fall through */
         case OPT_T:
             test_avail++;
             break;

apps/lib/apps.c

@@ -1012,7 +1012,7 @@ int load_key_certs_crls(const char *uri, int format, int maybe_stdin,
              * so if the caller asked for a public key, and we got a private
              * key, we can still pass it back.
              */
-            /* fall thru */
+            /* fall through */
         case OSSL_STORE_INFO_PUBKEY:
             if (ppubkey != NULL) {
                 ok = (*ppubkey = OSSL_STORE_INFO_get1_PUBKEY(info)) != NULL;

apps/verify.c

@@ -352,7 +352,7 @@ static int cb(int ok, X509_STORE_CTX *ctx)
         switch (cert_error) {
         case X509_V_ERR_NO_EXPLICIT_POLICY:
             policies_print(ctx);
-            /* fall thru */
+            /* fall through */
         case X509_V_ERR_CERT_HAS_EXPIRED:
             /* Continue even if the leaf is a self-signed cert */
         case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:

engines/e_loader_attic.c

@@ -223,7 +223,7 @@ static OSSL_STORE_INFO *new_EMBEDDED(const char *new_pem_name,
 /*-
  * The try_decode function is called to check if the blob of data can
  * be used by this handler, and if it can, decodes it into a supported
- * OpenSSL type and returns a OSSL_STORE_INFO with the decoded data.
+ * OpenSSL type and returns an OSSL_STORE_INFO with the decoded data.
  * Input:
  *    pem_name:     If this blob comes from a PEM file, this holds
  *                  the PEM name.  If it comes from another type of
@@ -251,7 +251,7 @@ static OSSL_STORE_INFO *new_EMBEDDED(const char *new_pem_name,
  *    libctx:       The library context to be used if applicable
  *    propq:        The property query string for any algorithm fetches
  * Output:
- *    a OSSL_STORE_INFO
+ *    an OSSL_STORE_INFO
  */
 typedef OSSL_STORE_INFO *(*file_try_decode_fn)(const char *pem_name,
                                                const char *pem_header,

include/openssl/engine.h

@@ -612,7 +612,7 @@ OSSL_DEPRECATEDIN_3_0 int ENGINE_get_flags(const ENGINE *e);
  */
 
 /*
- * Initialise a engine type for use (or up its reference count if it's
+ * Initialise an engine type for use (or up its reference count if it's
  * already in use). This will fail if the engine is not currently operational
  * and cannot initialise.
  */
@@ -620,7 +620,7 @@ OSSL_DEPRECATEDIN_3_0 int ENGINE_get_flags(const ENGINE *e);
 OSSL_DEPRECATEDIN_3_0 int ENGINE_init(ENGINE *e);
 #  endif
 /*
- * Free a functional reference to a engine type. This does not require a
+ * Free a functional reference to an engine type. This does not require a
  * corresponding call to ENGINE_free as it also releases a structural
  * reference.
  */

test/cmp_protect_test.c

@@ -95,7 +95,7 @@ static int execute_calc_protection_pbmac_test(CMP_PROTECT_TEST_FIXTURE *fixture)
 
 /*
  * This function works similarly to parts of CMP_verify_signature in cmp_vfy.c,
- * but without the need for a OSSL_CMP_CTX or a X509 certificate
+ * but without the need for an OSSL_CMP_CTX or a X509 certificate
  */
 static int verify_signature(OSSL_CMP_MSG *msg,
                             ASN1_BIT_STRING *protection,