cleanup: misc typos in strings and comments

Found via `codespell`

Closes #2389

16 files changed, 17 insertions, 17 deletions

diff --git a/docs/INSTALL.cmake b/docs/INSTALL.cmake
index abdfb46b2..0a8e43971 100644
--- a/docs/INSTALL.cmake
+++ b/docs/INSTALL.cmake
@@ -34,7 +34,7 @@ Current flaws in the curl CMake build
    - Doesn't allow you to disable specific protocols from the build
    - Doesn't find or use krb4 or GSS
    - Rebuilds test files too eagerly, but still can't run the tests
-   - Does't detect the correct strerror_r flavor when cross-compiling (issue #1123)
+   - Doesn't detect the correct strerror_r flavor when cross-compiling (issue #1123)
 
 
 Command Line CMake
diff --git a/docs/TODO b/docs/TODO
index ea78d9f18..ba383a3be 100644
--- a/docs/TODO
+++ b/docs/TODO
@@ -710,7 +710,7 @@ that doesn't exist on the server, just like --ftp-create-dirs.
  You can specify the private and public keys for SSH/SSL as file paths. Some
  programs want to avoid using files and instead just pass them as in-memory
  data blobs. There's probably a challenge to make this work across the
- plethory of different TLS and SSH backends that curl suppports.
+ plethory of different TLS and SSH backends that curl supports.
  https://github.com/curl/curl/issues/2310
 
 13.4 Cache/share OpenSSL contexts
diff --git a/docs/examples/curlx.c b/docs/examples/curlx.c
index 2aa10aa75..3e47b460a 100644
--- a/docs/examples/curlx.c
+++ b/docs/examples/curlx.c
@@ -183,7 +183,7 @@ static unsigned char *my_get_ext(X509 *cert, const int type,
 
 /* This is an application verification call back, it does not
    perform any addition verification but tries to find a URL
-   in the presented certificat. If found, this will become
+   in the presented certificate. If found, this will become
    the URL to be used in the POST.
 */
 
diff --git a/docs/examples/shared-connection-cache.c b/docs/examples/shared-connection-cache.c
index a1aa0d674..91864d9b2 100644
--- a/docs/examples/shared-connection-cache.c
+++ b/docs/examples/shared-connection-cache.c
@@ -20,7 +20,7 @@
  *
  ***************************************************************************/
 /* <DESC>
- * Connection cache shared between easy handles with the share inteface
+ * Connection cache shared between easy handles with the share interface
  * </DESC>
  */
 #include <stdio.h>
diff --git a/lib/http.h b/lib/http.h
index 2ce44bbfc..a5573c738 100644
--- a/lib/http.h
+++ b/lib/http.h
@@ -104,7 +104,7 @@ CURLcode Curl_http_perhapsrewind(struct connectdata *conn);
 
    This value used to be fairly big (100K), but we must take into account that
    if the server rejects the POST due for authentication reasons, this data
-   will always be uncondtionally sent and thus it may not be larger than can
+   will always be unconditionally sent and thus it may not be larger than can
    always be afforded to send twice.
 
    It must not be greater than 64K to work on VMS.
diff --git a/lib/http_negotiate.c b/lib/http_negotiate.c
index 51375e81d..ddcd65b3b 100644
--- a/lib/http_negotiate.c
+++ b/lib/http_negotiate.c
@@ -89,7 +89,7 @@ CURLcode Curl_input_negotiate(struct connectdata *conn, bool proxy,
     }
   }
 
-  /* Initilise the security context and decode our challenge */
+  /* Initialize the security context and decode our challenge */
   result = Curl_auth_decode_spnego_message(data, userp, passwdp, service,
                                            host, header, neg_ctx);
 
diff --git a/lib/mime.c b/lib/mime.c
index 0ccb346ee..89819a935 100644
--- a/lib/mime.c
+++ b/lib/mime.c
@@ -241,7 +241,7 @@ static FILE * vmsfopenread(const char *file, const char *mode)
 static char *Curl_basename(char *path)
 {
   /* Ignore all the details above for now and make a quick and simple
-     implementaion here */
+     implementation here */
   char *s1;
   char *s2;
 
diff --git a/lib/urldata.h b/lib/urldata.h
index 3d7b9e5a5..0da5fbce0 100644
--- a/lib/urldata.h
+++ b/lib/urldata.h
@@ -895,7 +895,7 @@ struct connectdata {
                                 well be the same we read from.
                                 CURL_SOCKET_BAD disables */
 
-  /** Dynamicly allocated strings, MUST be freed before this **/
+  /** Dynamically allocated strings, MUST be freed before this **/
   /** struct is killed.                                      **/
   struct dynamically_allocated_data {
     char *proxyuserpwd;
diff --git a/lib/vtls/darwinssl.c b/lib/vtls/darwinssl.c
index 694ac572d..f00a94295 100644
--- a/lib/vtls/darwinssl.c
+++ b/lib/vtls/darwinssl.c
@@ -1389,7 +1389,7 @@ static CURLcode darwinssl_connect_step1(struct connectdata *conn,
 #endif /* CURL_BUILD_MAC */
 
 #if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
-  if(SSLCreateContext != NULL) {  /* use the newer API if avaialble */
+  if(SSLCreateContext != NULL) {  /* use the newer API if available */
     if(BACKEND->ssl_ctx)
       CFRelease(BACKEND->ssl_ctx);
     BACKEND->ssl_ctx = SSLCreateContext(NULL, kSSLClientSide, kSSLStreamType);
diff --git a/packages/DOS/README b/packages/DOS/README
index c2ab9b9aa..5278f2c13 100644
--- a/packages/DOS/README
+++ b/packages/DOS/README
@@ -4,7 +4,7 @@ Watt-32 stack.
 'make djgpp' in the root curl dir should build it fine.
 
 Note 1: djgpp 2.04 beta has a sscanf() bug so the URL parsing isn't
-        done proberly. Use djgpp 2.03 until they fix it.
+        done properly. Use djgpp 2.03 until they fix it.
 
 Note 2: Compile Watt-32 (and OpenSSL) with the same version of djgpp.
         Otherwise things go wrong because things like FS-extensions and
diff --git a/src/tool_metalink.c b/src/tool_metalink.c
index bbbfc2a65..91c5878c9 100644
--- a/src/tool_metalink.c
+++ b/src/tool_metalink.c
@@ -243,7 +243,7 @@ static int nss_hash_init(void **pctx, SECOidTag hash_alg)
 {
   PK11Context *ctx;
 
-  /* we have to initialize NSS if not initialized alraedy */
+  /* we have to initialize NSS if not initialized already */
   if(!NSS_IsInitialized() && !nss_context) {
     static NSSInitParameters params;
     params.length = sizeof params;
diff --git a/src/tool_operate.c b/src/tool_operate.c
index e8b434a53..15cdc13da 100644
--- a/src/tool_operate.c
+++ b/src/tool_operate.c
@@ -1973,7 +1973,7 @@ CURLcode operate(struct GlobalConfig *config, int argc, argv_item_t argv[])
         size_t count = 0;
         struct OperationConfig *operation = config->first;
 
-        /* Get the required aguments for each operation */
+        /* Get the required arguments for each operation */
         while(!result && operation) {
           result = get_args(operation, count++);
 
diff --git a/tests/data/test1108 b/tests/data/test1108
index 7b779e11f..f83eb9570 100644
--- a/tests/data/test1108
+++ b/tests/data/test1108
@@ -11,7 +11,7 @@ PRET
 <reply>
 
 <servercmd>
-REPLY PRET 550 unkown command
+REPLY PRET 550 unknown command
 </servercmd>
 </reply>
 
diff --git a/tests/data/test1209 b/tests/data/test1209
index 7086829f1..76bce5fd5 100644
--- a/tests/data/test1209
+++ b/tests/data/test1209
@@ -39,7 +39,7 @@ s/^EPRT \|1\|(.*)/EPRT \|1\|/
 
 # The protocol part does not include QUIT simply because the error is
 # CURLE_OPERATION_TIMEDOUT (28) which is a generic timeout error without
-# specificly saying for which connection it concerns, and for timeouts libcurl
+# specifically saying for which connection it concerns, and for timeouts libcurl
 # marks the control channel as "invalid". As this test case times out for the
 # data connection it could still use the control channel.
 <protocol>
diff --git a/tests/data/test155 b/tests/data/test155
index b6451ec2e..9bdc8414c 100644
--- a/tests/data/test155
+++ b/tests/data/test155
@@ -39,7 +39,7 @@ This is not the real page either!
 # This is supposed to be returned when the server gets the second
 # Authorization: NTLM line passed-in from the client
 <data1002>
-HTTP/1.1 200 Type-3 Recevied and all Things are fine swsclose

+HTTP/1.1 200 Type-3 Received and all Things are fine swsclose

 Server: Microsoft-IIS/5.0

 Content-Type: text/html; charset=iso-8859-1

 Content-Length: 32

@@ -62,7 +62,7 @@ Content-Length: 34
 Content-Type: text/html; charset=iso-8859-1

 WWW-Authenticate: NTLM TlRMTVNTUAACAAAAAgACADAAAAAGgoEAc51AYVDgyNcAAAAAAAAAAG4AbgAyAAAAQ0MCAAQAQwBDAAEAEgBFAEwASQBTAEEAQgBFAFQASAAEABgAYwBjAC4AaQBjAGUAZABlAHYALgBuAHUAAwAsAGUAbABpAHMAYQBiAGUAdABoAC4AYwBjAC4AaQBjAGUAZABlAHYALgBuAHUAAAAAAA==

 

-HTTP/1.1 200 Type-3 Recevied and all Things are fine swsclose

+HTTP/1.1 200 Type-3 Received and all Things are fine swsclose

 Server: Microsoft-IIS/5.0

 Content-Type: text/html; charset=iso-8859-1

 Content-Length: 32

diff --git a/tests/testcurl.pl b/tests/testcurl.pl
index 9749bc7d1..69722fb36 100755
--- a/tests/testcurl.pl
+++ b/tests/testcurl.pl
@@ -31,7 +31,7 @@
 # at a regular interval. The output is suitable to be mailed to
 # curl-autocompile@haxx.se to be dealt with automatically (make sure the
 # subject includes the word "autobuild" as the mail gets silently discarded
-# otherwise).  The most current build status (with a resonable backlog) will
+# otherwise).  The most current build status (with a reasonable backlog) will
 # be published on the curl site, at https://curl.haxx.se/auto/
 
 # USAGE: