Fix spelling errors

Most errors found with:

codespell -L cach,thst,odly,aslo,parm,parms,inpu,ges,prset,pevent,ptd,pring,valu,noo,noe,ned,inout,ro,siz,froms,nd,fo,singl,sart,multy,tthe,allong,ment,inate,nodel,tring,alse,ture,thi,wille,numer

Some more manually found (its -> it's)

c++20: Do not use apostrophe (e.g. can't) in unquoted #error message

configure/CONFIG.gnuCommon

@@ -65,7 +65,7 @@ LOADABLE_SHRLIB_LDFLAGS = -shared -fPIC -Wl,-h$@
 
 GNU_LDLIBS_YES = -lgcc
 
-# Use compiler flags to generate header dependancies files
+# Use compiler flags to generate header dependencies files
 HDEPENDS_METHOD = COMP
 HDEPENDS_COMPFLAGS = -MM -MF $@
 

configure/CONFIG_ADDONS

@@ -24,7 +24,7 @@
 #    These rules apply to these Makefile-variables:
 #    USR_CFLAGS    C flags
 #    USR_CXXFLAGS  C++ flags
-#    USR_CPPFLAGS  c preprocesser flags
+#    USR_CPPFLAGS  c preprocessor flags
 #    SRCS          source files for building libraries and prods
 #    USR_SRCS      source files for building libraries and prods
 #    PROD_SRCS     source files for building prods

configure/CONFIG_COMMON

@@ -147,7 +147,7 @@ CMPLR_SRC_DIRS += . $(foreach dir, .. $(SRC_DIRS), \
 ALL_SRC_DIRS = $(CMPLR_SRC_DIRS) $(OS_SRC_DIRS) $(GENERIC_SRC_DIRS)
 
 #--------------------------------------------------
-# Directory for OS independant build created files
+# Directory for OS independent build created files
 COMMON_DIR = ../O.Common
 
 # compile line include directories

configure/RULES.Db

@@ -55,7 +55,7 @@ DBD += $(foreach type, $(CROSS_TARGET_OS_TYPES), $(DBD_$(type)))
 # DBD_solaris += abcSolaris.dbd
 #
 # ---------------------------------------------------
-# DBD concatination files
+# DBD concatenation files
 
 COMMON_DBDCATS += $(addprefix $(COMMON_DIR)/,$(DBDCAT))
 DBDCAT_SOURCES += $(foreach file, $($*_DBD), $(DBDCAT_SOURCE) )
@@ -194,7 +194,7 @@ ifneq (,$(strip $(DBDDEPENDS_FILES)))
 endif
 
 #---------------------------------------------------------------
-# build dependancies, clean rule
+# build dependencies, clean rule
 
 inc: $(COMMON_INC) $(INSTALL_INC) $(COMMON_DBDS) $(COMMON_DBDCATS) \
 	$(INSTALL_DBDS) $(INSTALL_DBD_INSTALLS) $(COMMON_DOCS)

configure/RULES_ARCHS

@@ -32,7 +32,7 @@ ifneq ($(RELEASE_CFG_DIR_RULES),)
   include $(RELEASE_CFG_DIR_RULES)
 endif
 
-# Create EPICS_HOST_ARCH dependancies for GNU make -j option.
+# Create EPICS_HOST_ARCH dependencies for GNU make -j option.
 # Needed in dirs where EPICS_HOST_ARCH build creates a tool used in 
 # cross arch builds
 

configure/RULES_DIRS

@@ -44,7 +44,7 @@ $(foreach dir, $(DIRS), $(dir)$(DIVIDER)install): \
 rebuild: $(foreach dir, $(DIRS), $(dir)$(DIVIDER)install)
 endif
 
-# Create directory dependancies lines for GNU make -j option
+# Create directory dependencies lines for GNU make -j option
 # Only works with GNU make 3.81 or later (uses eval function)
 define DEP_template1
 $(1): $$($(1)_DEPEND_DIRS)

configure/Sample.Makefile

@@ -82,7 +82,7 @@ INC         = file.h
 #	Platform specific files can also be put in
 #	separate os/OS_CLASS directories!
 #
-#	For almost every file the seach order is:
+#	For almost every file the search order is:
 #	./os/OS_CLASS
 #	./os/generic
 #	.
@@ -136,11 +136,11 @@ PROD_SRCS = ppp.c qqq.c
 a_file_SRCS = aa.c bb.c
 
 #
-#	EPICS libs needed to link PROD, TESTPROD and sharable library
+#	EPICS libs needed to link PROD, TESTPROD and shareable library
 #
 #	note that DLL_LIBS (the libraries needed to link a shareable
 #	library) is created by default from the PROD/SYS libraries specified 
-#	below minus the name of the sharable library (LIBRARY)
+#	below minus the name of the shareable library (LIBRARY)
 #	
 #
 # ----------  libraries for a specific product pppp
@@ -169,7 +169,7 @@ USR_LIBS_DEFAULT = foolib
 USR_LIBS_WIN32   = -nil-
 foolib_DIR = $(FOO_LIB)
 
-#	system libs needed to link PROD, TESTPROD and sharable library
+#	system libs needed to link PROD, TESTPROD and shareable library
 #
 # ---------- system libraries for all products
 # for all systems:

configure/os/CONFIG.win32-x86.win32-x86

@@ -222,7 +222,7 @@ INSTALL_SHRLIB = $(INSTALL_BIN)
 
 
 #--------------------------------------------------
-# Products dependancy definitions
+# Products dependency definitions
 
 PROD_DEPLIBS = $(foreach lib, $(PROD_LIBS) $(USR_LIBS), \
   $(firstword $(wildcard \
@@ -247,10 +247,10 @@ PROD_LDLIBS += $(STATIC_LDLIBS) \
       $(LDLIBS_SHARED_$(SHARED_LIBRARIES))))
 
 #--------------------------------------------------
-# Libraries dependancy definitions
+# Libraries dependency definitions
 
 #   libs that we need to link the DLL with
-#   (it isnt necessary to rebuild the dll if these change)
+#   (it isn't necessary to rebuild the dll if these change)
 
 SHRLIB_DEPLIBS = $(foreach lib, $(LIB_LIBS) $(USR_LIBS), \
   $(firstword $(wildcard \

configure/os/CONFIG_SITE.linux-x86.linux-x86

@@ -3,7 +3,7 @@
 # Site specific definitions for linux-x86 host - linux-x86 target builds
 #-------------------------------------------------------
 
-# Uncomment the followings lines to build with CLANG instead of GCC.
+# Uncomment the following lines to build with CLANG instead of GCC.
 #
 #GNU         = NO
 #CMPLR_CLASS = clang

configure/os/CONFIG_SITE.linux-x86_64.linux-x86_64

@@ -3,7 +3,7 @@
 # Site specific definitions for linux-x86_64 host - linux-x86_64 target builds
 #-------------------------------------------------------
 
-# Uncomment the followings lines to build with CLANG instead of GCC.
+# Uncomment the following lines to build with CLANG instead of GCC.
 #
 #GNU         = NO
 #CMPLR_CLASS = clang

documentation/Doxyfile@

@@ -1105,7 +1105,7 @@ HTML_STYLESHEET        =
 # cascading style sheets that are included after the standard style sheets
 # created by doxygen. Using this option one can overrule certain style aspects.
 # This is preferred over using HTML_STYLESHEET since it does not replace the
-# standard style sheet and is therefor more robust against future updates.
+# standard style sheet and is therefore more robust against future updates.
 # Doxygen will copy the style sheet files to the output directory.
 # Note: The order of the extra stylesheet files is of importance (e.g. the last
 # stylesheet in the list overrules the setting of the previous ones in the
@@ -1648,8 +1648,8 @@ EXTRA_PACKAGES         =
 # Note: Only use a user-defined header if you know what you are doing! The
 # following commands have a special meaning inside the header: $title,
 # $datetime, $date, $doxygenversion, $projectname, $projectnumber,
-# $projectbrief, $projectlogo. Doxygen will replace $title with the empy string,
+# $projectbrief, $projectlogo. Doxygen will replace $title with the empty string,
-# for the replacement values of the other commands the user is refered to
+# for the replacement values of the other commands the user is referred to
 # HTML_HEADER.
 # This tag requires that the tag GENERATE_LATEX is set to YES.
 

documentation/RELEASE-3.15.md

@@ -191,7 +191,7 @@ parameter with one called `EPICS_TZ` and a routine for VxWorks that calculates
 the `TIMEZONE` environment variable from the current `TZ` value. This routine
 will be run once at start-up, when the EPICS clock has synchronized to its NTP
 server. The calculations it contains were worked out and donated to EPICS by
-Larry Hoff in 2009; it is unforunate that it has taken 10 years for them to be
+Larry Hoff in 2009; it is unfortunate that it has taken 10 years for them to be
 integrated into Base.
 
 The default value for the `EPICS_TZ` environment parameter is set in the Base
@@ -521,7 +521,7 @@ a Windows system and an IOC or PCAS server is started, the IOC's attempt to
 bind a TCP socket to the CA server port number fails, but Windows returns a
 different error status value than the IOC is expecting in that circumstance
 (because the National Instruments code requests exclusive use of that port,
-unlike the EPICS code) so the IOC fails to start properly. The relevent EPICS
+unlike the EPICS code) so the IOC fails to start properly. The relevant EPICS
 bind() checks have now been updated so the IOC will request that a dynamic port
 number be allocated for this TCP socket instead when this happens.
 
@@ -619,7 +619,7 @@ static versions of the compiler support libraries have now been moved into the
 The `iocInit` code now performs a sanity check of the current time
 returned by the generalTime subsystem and will print a warning if the wall-clock
 time returned has not been initialized yet. This is just a warning message; when
-a time provider does synchonize the IOC will subsequently pick up and use the
+a time provider does synchronize the IOC will subsequently pick up and use the
 correct time. This check code also primes the registered event system provider
 if there is one so the `epicsTimeGetEventInt()` routine will work on IOCs
 that ask for event time within an interrupt service routine.
@@ -642,7 +642,7 @@ change will not cause the IOC to see time going backwards.
 ### Microsoft Visual Studio builds
 
 The build configuration files for builds using the Microsoft compilers have been
-updated, although there should be no noticable difference at most sites. One
+updated, although there should be no noticeable difference at most sites. One
 extra compiler warning is now being suppressed for C++ code, `C4344: behavior
 change: use of explicit template arguments results in ...` which is gratuitous
 and was appearing frequently in builds of the EPICS V4 modules.

documentation/RELEASE-3.16.md

@@ -661,7 +661,7 @@ the `DB_OPT` build configuration variable.
 
 The compressRecord has a new field `BALG` which can select between FIFO
 (append) and LIFO (prepend) ordering for insertion of new elements. FIFO
-ordering is the default, matching the behviour of previous versions.
+ordering is the default, matching the behaviour of previous versions.
 
 ### Valgrind Instrumentation
 

documentation/RELEASE-7.0.1.1.md

@@ -59,7 +59,7 @@ been split into 4 separate Git repositories. External modules should build
 against this new structure with little or no changes needed, except that some
 allowance may be needed for the merging of the V4 modules.
 
-There should be rather more description and documantation of these changes
+There should be rather more description and documentation of these changes
 than is currently available, but as developers we generally much prefer to
 write code than documentation. Send questions to the tech-talk mailing list
 and we'll be happy to try and answer them!

documentation/RELEASE-7.0.3.1.md

@@ -56,7 +56,7 @@ A suggested form for IOC shell commands is:
 
 ### Relocatable Builds
 
-Allows built trees to be copied or moved without invalidating RPATH entires.
+Allows built trees to be copied or moved without invalidating RPATH entries.
 
 The `LINKER_USE_RPATH` Makefile variable (see `configure/CONFIG_SITE`) may be
 set to `YES`, `NO`, and a new third option `ORIGIN`.  This is limited to

documentation/RELEASE-7.0.5.md

@@ -147,7 +147,7 @@ This also fixes [lauchpad bug #1714455](https://bugs.launchpad.net/bugs/1714455)
   declared in epicsString.h no longer accept octal escaped characters such as
   `\123` or `\41`.
 - The routine `epicsStrnEscapedFromRaw()` now generates hex
-  excaped characters for unprintable characters such as `\x1f`.
+  escaped characters for unprintable characters such as `\x1f`.
 - Hex escape character sequences `\xXX` must now contain exactly 2 hex digits.
 - An escape sequence `\0` now generates a zero byte in the raw string, but the
   other digits `1-9` should not appear after a back-slash.

documentation/RELEASE-7.0.7.md

@@ -117,7 +117,7 @@ with the TCP port number selected.
 
 DBD files generated by the `dbdExpand.pl` script are now sorted within each
 item type by the primary name of the item. The result should resolve any
-issues with reproducable builds. No option is provided to prevent the sorting,
+issues with reproducible builds. No option is provided to prevent the sorting,
 previously the order was essentially random and varied each time.
 
 ### `dbExpand.pl` sorts records by name

documentation/RELEASE-7.0.8.md

@@ -35,7 +35,7 @@ record(bi, "bit1") {
 
 ### ANSI escapes in stderr
 
-ANSI escape charactor sequences may now be printed to the stderr stream.
+ANSI escape character sequences may now be printed to the stderr stream.
 These escapes will appear in logs captured from that stream.
 Tools which parse and/or render these logs may need to be adjusted to
 either strip out the escapes, or to translate them into markup.
@@ -227,7 +227,7 @@ The pvDatabase module was updated to version 4.7.1:
 
   `_[distributor=group:<group id>;set:<set_id>;trigger:<field_name>;updates:<n_updates>;mode:<update_mode>]`
 
-  The plugin parameters are optional and are described bellow:
+  The plugin parameters are optional and are described below:
 
   - group: this parameter indicates a group that client application belongs to (default value: "default"); groups of clients are completely independent of each other
 

documentation/RELEASE-7.0.9.md

@@ -25,7 +25,7 @@ although it doesn't currently cover the new processes added to epics-base.
 Much of the documentation generated from .dbd.pod files at build time is now
 also being converted into MarkDown (.md) files and installed into the top-level
 `doc` directory. Some users might find it quicker to look up information about a
-record type by opening these files in a text editor intead of opening a browser
+record type by opening these files in a text editor instead of opening a browser
 and loading the HTML versions or finding and opening the files from the EPICS
 Documentation site.
 
@@ -97,7 +97,7 @@ record("#", "unwanted") {}
 
 ### Only keep readline history for interactive sessions
 
-Previously, all IOCsh commands were persisited in the libreadline history
+Previously, all IOCsh commands were persisted in the libreadline history
 (when readline support is included).
 Going forward, only interactive commands are saved.
 
@@ -111,7 +111,7 @@ already be conditionally casting to/from the appropriate type.
 
 ### Fix issues with `_FORTIFY_SOURCE=3`
 
-This release fixes the false positives failures whhen building with `_FORTIFY_SOURCE` level 3.
+This release fixes the false positives failures when building with `_FORTIFY_SOURCE` level 3.
 The override introduced in 7.0.8.1 has been removed.
 
 ### Other

documentation/ReleaseChecklist.html

@@ -419,7 +419,7 @@ everything that has to be done since it's so easy to miss steps.</p>
     <tr>
       <td><input type="checkbox"></td>
       <td>Website Editor</td>
-      <td>Link to the release webpage from other relevent areas of the
+      <td>Link to the release webpage from other relevant areas of the
         website - update front page and sidebars.</td>
       </tr>
     <tr>

documentation/new-notes/PR-558.md

@@ -9,7 +9,7 @@ This release incorporates [PR #558](https://github.com/epics-base/epics-base/pul
 - it replaces the community [`afterInit`](https://github.com/paulscherrerinstitute/iocsh_utilities/blob/master/afterInit.c) and [`doAfterIocInit`](https://github.com/epics-modules/std/blob/master/stdApp/src/delayCmd.cpp) IOC shell commands,
 - community usage examples:
   - [`pf4filters.iocsh`](https://github.com/epics-modules/optics/blob/master/opticsApp/iocsh/pf4filters.iocsh) - enable/disable with a single comment ([full description](https://github.com/epics-base/epics-base/pull/558#issuecomment-2430057167))
-  - [ALS-U autosave managment](https://github.com/epics-base/epics-base/pull/558#issuecomment-2430447220)
+  - [ALS-U autosave management](https://github.com/epics-base/epics-base/pull/558#issuecomment-2430447220)
 
 #### Features
 

documentation/new-notes/PR-644.md

@@ -12,7 +12,7 @@ prints.
 - The default IOC Shell prompt is now displayed in green; this color can be
 modified in the `configure/CONFIG_SITE_ENV` file for all targets, or set for
 a specific target by adding a `configure/os/CONFIG_SITE_ENV.<arch>` file.
-The value of the `IOCSH_PS1` environment paremeter in those files can use the
+The value of the `IOCSH_PS1` environment parameter in those files can use the
 `ANSI_ENV_*` and `ANSI_*()` color macros found in errlog.h to configure the
 appearance of the prompt. The C string literal concatenation syntax can be
 used to construct the prompt string:

modules/ca/src/client/CAref.html

@@ -103,7 +103,7 @@ in the file LICENSE that is included with this distribution.</span></p>
     <ul>
       <li><a href="#Broadcast">Client and Server Broadcast Addresses Don't
         Match</a></li>
-      <li><a href="#Client">Client Isnt Configured to Use the Server's
+      <li><a href="#Client">Client Isn't Configured to Use the Server's
       Port</a></li>
       <li><a href="#Unicast">Unicast Addresses in the EPICS_CA_ADDR_LIST Does
         not Reliably Contact Servers Sharing the Same UDP Port on the Same
@@ -759,7 +759,7 @@ to respect the EPICS_CA_MAX_ARRAY_BYTES setting as described below instead.</p>
 <p>Starting with version R3.14 the environment variable
 EPICS_CA_MAX_ARRAY_BYTES determines the size of the largest array that may pass
 through CA. Prior to this version only arrays smaller than 16k bytes could be
-transfered. The CA libraries maintains a free list of 16384 byte network
+transferred. The CA libraries maintains a free list of 16384 byte network
 buffers that are used for ordinary communication. If EPICS_CA_MAX_ARRAY_BYTES
 is larger than 16384 then a second free list of larger data buffers is
 established and used only after a client send its first large array request.</p>
@@ -1085,7 +1085,7 @@ to standard out.</p>
 
 <p>If a value is specified it is written to the PV. Next, the current value of
 the PV is converted to each of the many external data type that can be
-specified at the CA client library interface, and each of these is formated and
+specified at the CA client library interface, and each of these is formatted and
 then output to the console.</p>
 <hr>
 
@@ -1631,7 +1631,7 @@ stdout.</p>
 
 <p>The -s option allows to specify an interest level for calling Channel
 Access' internal report function <code>ca_client_status()</code>, that prints lots of
-internal informations on stdout, including environment settings, used CA ports
+internal information on stdout, including environment settings, used CA ports
 etc.</p>
 
 <table border="1">
@@ -1969,7 +1969,7 @@ that the request is sent call <code>ca_flush_io()</code> followed by
 
 <h3><a name="Problems">ENOBUFS Messages</a></h3>
 
-<p>Many Berkley UNIX derived Internet Protocol (IP) kernels use a memory
+<p>Many Berkeley UNIX derived Internet Protocol (IP) kernels use a memory
 management scheme with a fixed sized low level memory allocation quantum called
 an "mbuf". Messages about "ENOBUFS" are an indication that your IP kernel is
 running low on mbuf buffers. An IP kernel mbuf starvation situation may lead to

modules/ca/src/client/access.cpp

@@ -65,7 +65,7 @@ const char * ca_message_text []
 "Sorry, that feature is planned but not supported at this time",
 "The supplied string is unusually large",
 "The request was ignored because the specified channel is disconnected",
-"The data type specifed is invalid",
+"The data type specified is invalid",
 
 "Remote Channel not found",
 "Unable to locate all user specified channels",
@@ -94,7 +94,7 @@ const char * ca_message_text []
 "The supplied string is empty",
 "Unable to spawn the CA repeater thread- auto reconnect will fail",
 "No channel id match for search reply- search reply ignored",
-"Reseting dead connection- will try to reconnect",
+"Resetting dead connection- will try to reconnect",
 "Server (IOC) has fallen behind or is not responding- still waiting",
 
 "No internet interface with broadcast available",
@@ -381,11 +381,11 @@ int epicsStdCall ca_clear_channel ( chid pChan )
     }
     else {
         //
-        // we will definately stall out here if all of the
+        // we will definitely stall out here if all of the
         // following are true
         //
         // o user creates non-preemptive mode client library context
-        // o user doesnt periodically call a ca function
+        // o user doesn't periodically call a ca function
         // o user calls this function from an auxiliary thread
         //
         CallbackGuard cbGuard ( cac.cbMutex );

modules/ca/src/client/acctst.c

@@ -844,7 +844,7 @@ void verifyBlockInPendIO ( chid chan, unsigned interestLevel  )
             }
         }
         else if ( resp != -100 ) {
-            printf ( "CA didnt block for get to return?\n" );
+            printf ( "CA didn't block for get to return?\n" );
         }
 
         req = 1;
@@ -1739,7 +1739,7 @@ void arrayEventExceptionNotify ( struct event_handler_args args )
     if ( args.status == ECA_NORMAL ) {
         printf (
             "arrayEventExceptionNotify: expected "
-            "exception but didnt receive one against \"%s\" \n",
+            "exception but didn't receive one against \"%s\" \n",
             ca_name ( args.chid ) );
     }
     else {
@@ -3233,7 +3233,7 @@ void verifyDisconnect (
 
     /*
      * if its a local channel and will never disconnect
-     * then skip the portions of this test that cant be
+     * then skip the portions of this test that can't be
      * completed.
      */
     if ( ca_get_ioc_connection_count () == 0 ) {
@@ -3307,7 +3307,7 @@ void verifyContextRundownFlush ( const char * pName, unsigned interestLevel )
 
             status = ca_create_channel  ( pName, 0, 0, 0, & chan );
             /*
-             * currently in-memory channels cant be used with this test
+             * currently in-memory channels can't be used with this test
              * !!!! FIX ME, FIX ME, FIX ME, FIX ME !!!!
              */
             if ( status != ECA_UNAVAILINSERV ) {
@@ -3335,7 +3335,7 @@ void verifyContextRundownFlush ( const char * pName, unsigned interestLevel )
             status = ca_create_channel  ( pName, 0, 0, 0, & chan );
             SEVCHK ( status, NULL );
             /*
-             * currently in-memory channels cant be used with this test
+             * currently in-memory channels can't be used with this test
              * !!!! FIX ME, FIX ME, FIX ME, FIX ME !!!!
              */
             if ( status != ECA_UNAVAILINSERV ) {
@@ -3379,7 +3379,7 @@ void verifyContextRundownChanStillExist (
     for ( i = 0; i < NELEMENTS ( chan ); i++ ) {
         status = ca_create_channel  ( pName, 0, 0, 0, & chan[i] );
         /*
-         * currently in-memory channels cant be used with this test
+         * currently in-memory channels can't be used with this test
          * !!!! FIX ME, FIX ME, FIX ME, FIX ME !!!!
          */
         if ( status == ECA_UNAVAILINSERV ) {

modules/ca/src/client/bhe.cpp

@@ -192,7 +192,7 @@ bool bhe::updatePeriod (
         this->beaconAnomalyNotify ( guard );
 
         /*
-         * this is the 2nd beacon seen. We cant tell about
+         * this is the 2nd beacon seen. We can't tell about
          * the change in period at this point so we just
          * initialize the average period and return.
          */

modules/ca/src/client/caProto.h

@@ -49,7 +49,7 @@
 
 /*
  * These port numbers are only used if the CA repeater and
- * CA server port numbers cant be obtained from the EPICS
+ * CA server port numbers can't be obtained from the EPICS
  * environment variables "EPICS_CA_REPEATER_PORT" and
  * "EPICS_CA_SERVER_PORT"
  */

modules/ca/src/client/ca_client_context.cpp

@@ -775,11 +775,11 @@ LIBCA_API int epicsStdCall ca_clear_subscription ( evid pMon )
     }
     else {
       //
-      // we will definately stall out here if all of the
+      // we will definitely stall out here if all of the
       // following are true
       //
       // o user creates non-preemptive mode client library context
-      // o user doesnt periodically call a ca function
+      // o user doesn't periodically call a ca function
       // o user calls this function from an auxiliary thread
       //
       CallbackGuard cbGuard ( cac.cbMutex );

modules/ca/src/client/ca_test.md

@@ -7,4 +7,4 @@
 If a value is specified it is written to the PV. Next, the current value
 of the PV is converted to each of the many external data type that can
 be specified at the CA client library interface, and each of these is
-formated and then output to the console.
+formatted and then output to the console.

modules/ca/src/client/cadef.h

@@ -1461,7 +1461,7 @@ LIBCA_API unsigned epicsStdCall ca_get_host_name ( chid pChan,
     char *pBuf, unsigned bufLength );
 
 /** \brief Return the minor protocol version number used by the host to
- *  which a channel is cuurently connected.   
+ *  which a channel is currently connected.   
  *
  * \param[in] pChan channel identifier
  * \returns The minor protocol version number.

modules/ca/src/client/caerr.h

@@ -108,7 +108,7 @@
 #define ECA_STRTOBIG        DEFMSG(CA_K_WARNING,   12) /* defunct */
 /// The request was ignored because the specified channel is disconnected
 #define ECA_DISCONNCHID     DEFMSG(CA_K_ERROR,     13) /* defunct */
-/// The data type specifed is invalid
+/// The data type specified is invalid
 #define ECA_BADTYPE         DEFMSG(CA_K_ERROR,     14)
 /// Remote Channel not found
 #define ECA_CHIDNOTFND      DEFMSG(CA_K_INFO,      15) /* defunct */
@@ -146,7 +146,7 @@
 #define ECA_NEWADDR         DEFMSG(CA_K_WARNING,   31) /* defunct */
 /// New or resumed network connection
 #define ECA_NEWCONN         DEFMSG(CA_K_INFO,      32) /* defunct */
-/// Specified task isnt a member of a CA context
+/// Specified task isn't a member of a CA context
 #define ECA_NOCACTX         DEFMSG(CA_K_WARNING,   33) /* defunct */
 /// Attempt to use defunct CA feature failed
 #define ECA_DEFUNCT         DEFMSG(CA_K_FATAL,     34) /* defunct */
@@ -156,7 +156,7 @@
 #define ECA_NOREPEATER      DEFMSG(CA_K_WARNING,   36) /* defunct */
 /// No channel id match for search reply- search reply ignored
 #define ECA_NOCHANMSG       DEFMSG(CA_K_WARNING,   37) /* defunct */
-/// Reseting dead connection- will try to reconnect
+/// Resetting dead connection- will try to reconnect
 #define ECA_DLCKREST        DEFMSG(CA_K_WARNING,   38) /* defunct */
 /// Server (IOC) has fallen behind or is not responding- still waiting
 #define ECA_SERVBEHIND      DEFMSG(CA_K_WARNING,   39) /* defunct */

modules/ca/src/client/comQueSend.cpp

@@ -24,14 +24,14 @@
 
 //
 // Requirements:
-// 1) Allow sufficent headroom so that users will be able to perform
+// 1) Allow sufficient headroom so that users will be able to perform
 // a reasonable amount of IO within CA callbacks without experiencing
 // a push/pull deadlock. If a potential push/pull deadlock situation
 // occurs then detect and avoid it and provide diagnostic to the user
 // via special status.
 // 2) Return status to the user when there is insufficient memory to
 // queue a complete message.
-// 3) return status to the user when a message cant be flushed because
+// 3) return status to the user when a message can't be flushed because
 // a connection dropped.
 // 4) Do not allocate too much memory in exception situations (such as
 // after a circuit disconnect).

modules/ca/src/client/convert.cpp

@@ -17,7 +17,7 @@
  *
  *  1) All routines in this file have an encode argument which
  *  determines if we are converting from the standard format to
- *  the local format or vise versa. To date only float and double data
+ *  the local format or vice versa. To date only float and double data
  *  types must be converted differently depending on the encode
  *  argument - joh
  *

modules/ca/src/client/nciu.cpp

@@ -154,7 +154,7 @@ void nciu::connect ( unsigned nativeType,
     // the callback lock is also taken when a channel
     // disconnects to prevent a race condition with the
     // code below - ie we hold the callback lock here
-    // so a channel cant be destroyed out from under us.
+    // so a channel can't be destroyed out from under us.
     this->notify().connectNotify ( guard );
 }
 
@@ -625,7 +625,7 @@ unsigned channelNode::getSearchTimerIndex (
     }
     else {
         throw std::runtime_error (
-            "channel was expected to be in a search timer, but wasnt" );;
+            "channel was expected to be in a search timer, but wasn't" );;
     }
     return index;
 }

modules/ca/src/client/netiiu.cpp

@@ -167,7 +167,7 @@ void netiiu::uninstallChanDueToSuccessfulSearchResponse (
     epicsGuard < epicsMutex > &, nciu &, const epicsTime & )
 {
     throw std::runtime_error (
-        "search response occured when not attached to udpiiu?" );
+        "search response occurred when not attached to udpiiu?" );
 }
 
 bool netiiu::searchMsg (

modules/ca/src/client/oldAccess.h

@@ -597,11 +597,11 @@ void ca_client_context :: whenThereIsAnExceptionDestroySyncGroupIO (
         epicsGuardRelease < epicsMutex > guardRelease ( guard );
         {
             //
-            // we will definately stall out here if all of the
+            // we will definitely stall out here if all of the
             // following are true
             //
             // o user creates non-preemptive mode client library context
-            // o user doesnt periodically call a ca function
+            // o user doesn't periodically call a ca function
             // o user calls this function from an auxiliary thread
             //
             CallbackGuard cbGuard ( this->cbMutex );

modules/ca/src/client/searchTimer.cpp

@@ -353,7 +353,7 @@ void searchTimer::uninstallChanDueToSuccessfulSearchResponse (
                     // when we get 100% success immediately
                     // send another search request
                     //
-                    debugPrintf ( ( "All requests succesful, set timer delay to zero\n" ) );
+                    debugPrintf ( ( "All requests successful, set timer delay to zero\n" ) );
                     this->timer.start ( *this, currentTime );
                 }
             }

modules/ca/src/client/syncgrp.cpp

@@ -79,11 +79,11 @@ extern "C" int epicsStdCall ca_sg_delete ( const CA_SYNC_GID gid )
         }
         else {
           //
-          // we will definately stall out here if all of the
+          // we will definitely stall out here if all of the
           // following are true
           //
           // o user creates non-preemptive mode client library context
-          // o user doesnt periodically call a ca function
+          // o user doesn't periodically call a ca function
           // o user calls this function from an auxiliary thread
           //
           CallbackGuard cbGuard ( pcac->cbMutex );
@@ -103,11 +103,11 @@ void sync_group_reset ( ca_client_context & client, CASG & sg )
     }
     else {
         //
-        // we will definately stall out here if all of the
+        // we will definitely stall out here if all of the
         // following are true
         //
         // o user creates non-preemptive mode client library context
-        // o user doesnt periodically call a ca function
+        // o user doesn't periodically call a ca function
         // o user calls this function from an auxiliary thread
         //
         CallbackGuard cbGuard ( client.cbMutex );
@@ -216,11 +216,11 @@ extern "C" int epicsStdCall ca_sg_test ( const CA_SYNC_GID gid )
             }
             else {
               //
-              // we will definately stall out here if all of the
+              // we will definitely stall out here if all of the
               // following are true
               //
               // o user creates non-preemptive mode client library context
-              // o user doesnt periodically call a ca function
+              // o user doesn't periodically call a ca function
               // o user calls this function from an auxiliary thread
               //
               CallbackGuard cbGuard ( pcac->cbMutex );

modules/ca/src/client/tcpRecvWatchdog.cpp

@@ -97,7 +97,7 @@ void tcpRecvWatchdog::beaconArrivalNotify (
     guard.assertIdenticalMutex ( this->mutex );
     if ( ! ( this->shuttingDown || this->beaconAnomaly || this->probeResponsePending ) ) {
         this->timer.start ( *this, this->period );
-        debugPrintf ( ("saw a normal beacon - reseting circuit receive watchdog\n") );
+        debugPrintf ( ("saw a normal beacon - resetting circuit receive watchdog\n") );
     }
 }
 
@@ -124,7 +124,7 @@ void tcpRecvWatchdog::messageArrivalNotify (
     if ( ! ( this->shuttingDown || this->probeResponsePending ) ) {
         this->beaconAnomaly = false;
         this->timer.start ( *this, this->period );
-        debugPrintf ( ("received a message - reseting circuit recv watchdog\n") );
+        debugPrintf ( ("received a message - resetting circuit recv watchdog\n") );
     }
 }
 
@@ -182,7 +182,7 @@ void tcpRecvWatchdog::sendBacklogProgressNotify (
     // receive at least one message from the server.
     if ( this->probeResponsePending && ! this->shuttingDown ) {
         this->timer.start ( *this, CA_ECHO_TIMEOUT );
-        debugPrintf ( ("saw heavy send backlog - reseting circuit recv watchdog\n") );
+        debugPrintf ( ("saw heavy send backlog - resetting circuit recv watchdog\n") );
     }
 }
 

modules/ca/src/client/tcpiiu.cpp

@@ -1824,7 +1824,7 @@ void tcpiiu::disconnectAllChannels (
     }
 
     while ( nciu * pChan = this->createRespPend.get () ) {
-        // we don't yet know the server's id so we cant
+        // we don't yet know the server's id so we can't
         // send a channel delete request and will instead
         // trust that the server can do the proper cleanup
         // when the circuit disconnects
@@ -1890,7 +1890,7 @@ void tcpiiu::unlinkAllChannels (
     while ( nciu * pChan = this->createRespPend.get () ) {
         pChan->channelNode::listMember =
             channelNode::cs_none;
-        // we don't yet know the server's id so we cant
+        // we don't yet know the server's id so we can't
         // send a channel delete request and will instead
         // trust that the server can do the proper cleanup
         // when the circuit disconnects

modules/ca/src/client/udpiiu.cpp

@@ -83,7 +83,7 @@ double getMaxPeriod()
             }
         }
         else {
-            epicsPrintf ( "EPICS \"%s\" wasnt a real number\n",
+            epicsPrintf ( "EPICS \"%s\" wasn't a real number\n",
                             EPICS_CA_MAX_SEARCH_PERIOD.name );
             epicsPrintf ( "Setting \"%s\" = %f seconds\n",
                 EPICS_CA_MAX_SEARCH_PERIOD.name, maxPeriod );

modules/ca/src/perl/Cap5.xs

@@ -64,7 +64,7 @@ const char * get_error_msg(int status) {
         "ECA_NOSUPPORT - Sorry, that feature is planned but not supported at this time",
         "ECA_STRTOBIG - The supplied string is unusually large",
         "ECA_DISCONNCHID - The request was ignored because the specified channel is disconnected",
-        "ECA_BADTYPE - The data type specifed is invalid",
+        "ECA_BADTYPE - The data type specified is invalid",
         "ECA_CHIDNOTFND - Remote Channel not found",
         "ECA_CHIDRETRY - Unable to locate all user specified channels",
         "ECA_INTERNAL - Channel Access Internal Failure",
@@ -83,12 +83,12 @@ const char * get_error_msg(int status) {
         "ECA_BADMONID - Bad event subscription (monitor) identifier",
         "ECA_NEWADDR - Remote channel has new network address",
         "ECA_NEWCONN - New or resumed network connection",
-        "ECA_NOCACTX - Specified task isnt a member of a CA context",
+        "ECA_NOCACTX - Specified task isn't a member of a CA context",
         "ECA_DEFUNCT - Attempt to use defunct CA feature failed",
         "ECA_EMPTYSTR - The supplied string is empty",
         "ECA_NOREPEATER - Unable to spawn the CA repeater thread- auto reconnect will fail",
         "ECA_NOCHANMSG - No channel id match for search reply- search reply ignored",
-        "ECA_DLCKREST - Reseting dead connection- will try to reconnect",
+        "ECA_DLCKREST - Resetting dead connection- will try to reconnect",
         "ECA_SERVBEHIND - Server (IOC) has fallen behind or is not responding- still waiting",
         "ECA_NOCAST - No internet interface with broadcast available",
         "ECA_BADMASK - Invalid event selection mask",
@@ -886,7 +886,7 @@ void CA_get_callback(SV *ca_ref, SV *sub, ...) {
     while (items > i
         && SvOK(ST(i))) {
         if (SvIOK(ST(i))) {
-            /* Interger => Count arg, zero means current size */
+            /* Integer => Count arg, zero means current size */
             count = SvIV(ST(i));
             if (count < 0 || count > ca_element_count(pch->chan)) {
                 croak_msg = "Requested array size is out of range";
@@ -962,7 +962,7 @@ SV * CA_create_subscription(SV *ca_ref, const char *mask_str, SV *sub, ...) {
     while (items > i
         && SvOK(ST(i))) {
         if (SvIOK(ST(i))) {
-            /* Interger => Count arg, zero means current size */
+            /* Integer => Count arg, zero means current size */
             count = SvIV(ST(i));
             if (count < 0 || count > ca_element_count(pch->chan)) {
                 croak_msg = "Requested array size is out of range";

modules/ca/src/perl/Makefile

@@ -23,7 +23,7 @@ ifdef T_A
 # Special settings for Darwin:
 ifeq ($(OS_CLASS),Darwin)
   # Use hdepends command (not GNU compiler flags)
-  # to generate header file dependancies for Darwin.
+  # to generate header file dependencies for Darwin.
   # Darwin has multiple -arch compiler flags.
   HDEPENDS_METHOD = MKMF
 

modules/ca/src/template/top/caPerlApp/caput.pl

@@ -167,7 +167,7 @@ sub HELP_MESSAGE {
         "  -w <sec>:  Wait time, specifies CA timeout, default is $opt_w second\n",
         "  -c: Use put_callback to wait for completion\n",
         "Format options:\n",
-        "  -t: Terse mode - print only sucessfully written value, without name\n",
+        "  -t: Terse mode - print only successfully written value, without name\n",
         "  -l: Long mode \"name timestamp value stat sevr\" (read PVs as DBR_TIME_xxx)\n",
         "  -S: Put string as an array of char (long string)\n",
         "Enum format:\n",

modules/ca/src/tools/cainfo.md

@@ -14,7 +14,7 @@ to stdout.
 
 The {option}`-s` option allows to specify an interest level for calling Channel
 Access' internal report function `ca_client_status()`, that prints lots
-of internal informations on stdout, including environment settings, used
+of internal information on stdout, including environment settings, used
 CA ports etc.
 
 ## Options

modules/ca/src/tools/caput.c

@@ -68,7 +68,7 @@ void usage (void)
     "  -c: Asynchronous put (use ca_put_callback and wait for completion)\n"
     "  -p <prio>: CA priority (0-%u, default 0=lowest)\n"
     "Format options:\n"
-    "  -t: Terse mode - print only sucessfully written value, without name\n"
+    "  -t: Terse mode - print only successfully written value, without name\n"
     "  -l: Long mode \"name timestamp value stat sevr\" (read PVs as DBR_TIME_xxx)\n"
     "Enum format:\n"
     "  Default: Auto - try value as ENUM string, then as index number\n"
@@ -571,7 +571,7 @@ int main (int argc, char *argv[])
     }
 
     if (result != ECA_NORMAL) {
-        fprintf(stderr, ERL_ERROR " occured writing data: %s\n", ca_message(result));
+        fprintf(stderr, ERL_ERROR " occurred writing data: %s\n", ca_message(result));
         free(sbuf); free(dbuf); free(ebuf);
         return 1;
     }

modules/database/src/ioc/as/asIocRegister.c

@@ -33,7 +33,7 @@ static const iocshArg asSetSubstitutionsArg0 = { "substitutions",iocshArgString}
 static const iocshArg * const asSetSubstitutionsArgs[] = {&asSetSubstitutionsArg0};
 static const iocshFuncDef asSetSubstitutionsFuncDef =
     {"asSetSubstitutions",1,asSetSubstitutionsArgs,
-     "Set subtitutions used when reading ACF file.\n"
+     "Set substitutions used when reading ACF file.\n"
      "No immediate effect.  Run asInit to (re)load.\n"
      "Example: asSetSubstitutions var1=5,var2=hello\n"};
 static void asSetSubstitutionsCallFunc(const iocshArgBuf *args)

modules/database/src/ioc/bpt/makeBpt.c

@@ -360,7 +360,7 @@ static int create_break( struct brkCreateInfo *pbci, brkInt *pabrkInt,
         if (inc < 1)
             inc = 1;
         valid = TRUE;
-        /* keep trying intervals until cant do better */
+        /* keep trying intervals until can't do better */
         expanding = TRUE;       /* originally we are trying larger and larger
                                  * intervals */
         while (valid) {

modules/database/src/ioc/db/dbAccess.c

@@ -183,7 +183,7 @@ static void get_enum_strs(DBADDR *paddr, char **ppbuffer,
         }
 
         if(nchoices > NELEMENTS(penum->strs))
-            nchoices = NELEMENTS(penum->strs); /* availible > capacity, truncated list */
+            nchoices = NELEMENTS(penum->strs); /* available > capacity, truncated list */
 
         penum->no_str = nchoices;
 
@@ -1130,7 +1130,7 @@ static long dbPutFieldLink(DBADDR *paddr,
     }
 
     if (dbCanSetLink(plink, &link_info, new_devsup)) {
-        /* link type mis-match prevents assignment */
+        /* link type mismatch prevents assignment */
         status = S_dbLib_badField;
         goto unlock;
     }

modules/database/src/ioc/db/dbCa.c

@@ -120,7 +120,7 @@ static int dbca_chan_count;
  * The libca callbacks take no action if pca->plink==NULL.
  *
  *   dbCaPutLinkCallback causes an additional complication because
- *   when dbCaRemoveLink is called the callback may not have occured.
+ *   when dbCaRemoveLink is called the callback may not have occurred.
  *   If putComplete sees plink==0 it will not call the user's code.
  *   If pca->putCallback is non-zero, dbCaTask will call the
  *   user's callback AFTER it has called ca_clear_channel.

modules/database/src/ioc/db/dbChannel.h

@@ -346,7 +346,7 @@ DBCORE_API void dbChannelInit(void);
 /** \brief Cleanup the dbChannel subsystem. */
 DBCORE_API void dbChannelExit(void);
 
-/** \brief Test the given PV name for existance.
+/** \brief Test the given PV name for existence.
  *
  * This routine looks up the given record and field name, but does not check
  * whether any field modifiers given after the field name are correct.

modules/database/src/ioc/db/dbCommon.dbd.pod

@@ -521,7 +521,7 @@ hardware.
 
 =item *
 
-Positive values (normally between 1-255) get the time of the last occurance of
+Positive values (normally between 1-255) get the time of the last occurrence of
 the numbered generalTime event.
 
 =back

modules/database/src/ioc/db/dbIocRegister.c

@@ -199,7 +199,7 @@ static const iocshFuncDef dblFuncDef = {"dbl",2,dblArgs,
                                         "Database list.\n"
                                         "List record/field names.\n"
                                         "With no arguments, lists all record names.\n"
-                                        "If record type is given, then only the names of records maching the type are printed\n"
+                                        "If record type is given, then only the names of records matching the type are printed\n"
                                         "If a field list is given, then their values are also printed\n\n"
                                         "Example: dbl(\"\")\n"
                                         "         dbl(\"ai\")\n"
@@ -440,7 +440,7 @@ static const iocshArg scanOnceQueueShowArg0 = { "reset",iocshArgInt};
 static const iocshArg * const scanOnceQueueShowArgs[1] =
     {&scanOnceQueueShowArg0};
 static const iocshFuncDef scanOnceQueueShowFuncDef = {"scanOnceQueueShow",1,scanOnceQueueShowArgs,
-                                                      "Show details and statitics of scan once queue processing.\n"};
+                                                      "Show details and statistics of scan once queue processing.\n"};
 static void scanOnceQueueShowCallFunc(const iocshArgBuf *args)
 {
     scanOnceQueueShow(args[0].ival);

modules/database/src/ioc/db/dbScan.h

@@ -112,7 +112,7 @@ DBCORE_API void scanIoInit(IOSCANPVT *ppios);
  * @return
  */
 DBCORE_API unsigned int scanIoRequest(IOSCANPVT pios);
-/** @brief Process all records on the scan list for the specificed priority.
+/** @brief Process all records on the scan list for the specified priority.
  *
  * Also executes the callback set by scanIoSetComplete()
  *

modules/database/src/ioc/db/dbTest.h

@@ -27,7 +27,7 @@ DBCORE_API long dbnr(int verbose);
 /* list aliases */
 DBCORE_API long dbla(const char *pmask);
 /* list infos */
-DBCORE_API long dbli(const char *patern);
+DBCORE_API long dbli(const char *pattern);
 /*list records filtered by glob pattern*/
 DBCORE_API long dbglob(const char *ppattern,const char *fields);
 /*list records filtered by glob pattern; alias for dbglob*/

modules/database/src/ioc/db/dbUnitTest.c

@@ -307,7 +307,7 @@ void testdbGetArrFieldEqual(const char* pv, short dbfType, long nRequest, unsign
         long n, N = nRequest < cnt ? nRequest : cnt;
 
         if(!match)
-            testDiag("Length mis-match.  expected=%lu actual=%lu", cnt, nRequest);
+            testDiag("Length mismatch.  expected=%lu actual=%lu", cnt, nRequest);
 
         for(n=0; n<N; n++, gbuf+=vSize, pbuf+=vSize) {
 

modules/database/src/ioc/db/dbUnitTest.h

@@ -170,7 +170,7 @@ DBCORE_API void testMonitorWait(testMonitor*);
  * @since UNRELEASED
  */
 DBCORE_API void testMonitorSync(testMonitor*);
-/** Return the number of monitor events which have occured since create,
+/** Return the number of monitor events which have occurred since create,
  * or a previous reset (called reset=1).
  * Calling w/ reset=0 only returns the count.
  * Calling w/ reset=1 resets the count to zero and ensures that the next

modules/database/src/ioc/dbStatic/dbBase.h

@@ -126,7 +126,7 @@ typedef struct dbRecordNode {
     struct dbRecordNode *aliasedRecnode; /* NULL unless flags|DBRN_FLAGS_ISALIAS */
 }dbRecordNode;
 
-/*dbRecordAttribute is for "psuedo" fields */
+/*dbRecordAttribute is for "pseudo" fields */
 /*pdbFldDes is so that other access routines work correctly*/
 /*Until base supports char * value MUST be fixed length string*/
 typedef struct dbRecordAttribute {

modules/database/src/ioc/dbStatic/dbLexRoutines.c

@@ -712,7 +712,7 @@ static void dbRecordtypeEmpty(void)
     ptempListNode = (tempListNode *)ellFirst(&tempList);
     pdbRecordType = ptempListNode->item;
     fprintf(stderr, ERL_ERROR
-        ": Declaration of recordtype(%s) preceeded full definition.\n",
+        ": Declaration of recordtype(%s) preceded full definition.\n",
         pdbRecordType->name);
     yyerrorAbort(NULL);
 }

modules/database/src/ioc/dbStatic/dbStaticIocRegister.c

@@ -50,7 +50,7 @@ static const iocshArg dbDumpMenuArg1 = { "menuName",iocshArgString};
 static const iocshArg * const dbDumpMenuArgs[] = {
     &argPdbbase, &dbDumpMenuArg1};
 static const iocshFuncDef dbDumpMenuFuncDef = {"dbDumpMenu",2,dbDumpMenuArgs,
-                          "Dump information about the available menuNames and choices defined withing each menuName.\n"
+                          "Dump information about the available menuNames and choices defined within each menuName.\n"
                           "Example: dbDumpMenu pdbbase menuAlarmStat \n"
                           "If last argument(s) are missing, dump all menuNames information in the database.\n"};
 static void dbDumpMenuCallFunc(const iocshArgBuf *args)

modules/database/src/ioc/dbtemplate/dbtoolsIocRegister.c

@@ -26,7 +26,7 @@ static const iocshFuncDef dbLoadTemplateFuncDef = {
     "for each template in the substitution file, and load them using 'dbLoadRecords'.\n\n"
     "The second argument provides extra variables to substitute in the\n"
     "template files (not the substitution file). The third argument provides\n"
-    "a list of paths to search through for the subsitution and template files.\n\n"
+    "a list of paths to search through for the substitution and template files.\n\n"
     "See 'help dbLoadRecords' for more information.\n\n"
     "Example: dbLoadTemplate db/my.substitutions 'user=myself,host=myhost' 'path/to/subst:path2/to2/subst2'\n",
 };

modules/database/src/ioc/dbtemplate/msi.md

@@ -49,7 +49,7 @@ discouraged.
 :::
 
 ::: {option} -o <file>
-Output will be written to the specifed \<file\> rather than to the
+Output will be written to the specified \<file\> rather than to the
 standard output.
 :::
 
@@ -166,7 +166,7 @@ expanded properly.
 However neither back-slash characters nor quotes of either variety are
 removed when generating the output file, so depending on what is being
 output the single quote behaviour may not be useful and may even be a
-hinderance. It cannot be disabled in the current version of msi.
+hindrance. It cannot be disabled in the current version of msi.
 
 
 ### Template file commands

modules/database/src/ioc/rsrv/camessage.c

@@ -1452,7 +1452,7 @@ static void sendAllUpdateAS ( struct client *client )
         }
         else {
             errlogPrintf (
-            "%s at %d: corrupt channel state detected durring AR update\n",
+            "%s at %d: corrupt channel state detected during AR update\n",
                 __FILE__, __LINE__);
         }
         pciu->state = rsrvCS_inService;
@@ -1493,7 +1493,7 @@ static void putNotifyErrorReply ( struct client *client, caHdrLargeArray *mp, in
         mp->m_available, 0 );
     if ( status != ECA_NORMAL ) {
         SEND_UNLOCK ( client );
-        errlogPrintf ("%s at %d: should always get sufficent space for put notify error reply\n",
+        errlogPrintf ("%s at %d: should always get sufficient space for put notify error reply\n",
             __FILE__, __LINE__);
         return;
     }
@@ -1835,7 +1835,7 @@ static int event_add_action (caHdrLargeArray *mp, void *pPayload, struct client
      * the monitors and I could get deadlocked.
      * The client is blocked sending and the server
      * task for the client is blocked sending in
-     * this case. I cant check the recv part of the
+     * this case. I can't check the recv part of the
      * socket in the client since I am still handling an
      * outstanding recv ( they must be processed in order).
      * I handle this problem in the server by using
@@ -2080,7 +2080,7 @@ static void search_fail_reply ( caHdrLargeArray *mp, void *pPayload, struct clie
         0u, mp->m_dataType, mp->m_count, mp->m_cid, mp->m_available, NULL );
     if ( status != ECA_NORMAL ) {
         SEND_UNLOCK ( client );
-        errlogPrintf ( "%s at %d: should always get sufficent space for search fail reply?\n",
+        errlogPrintf ( "%s at %d: should always get sufficient space for search fail reply?\n",
             __FILE__, __LINE__ );
         return;
     }

modules/database/src/ioc/rsrv/caserverio.c

@@ -367,7 +367,7 @@ void cas_commit_msg ( struct client *pClient, ca_uint32_t size )
 
 /*
  * this assumes that we have already checked to see
- * if sufficent bytes are available
+ * if sufficient bytes are available
  */
 ca_uint16_t rsrvGetUInt16 ( struct message_buffer *recv )
 {
@@ -375,7 +375,7 @@ ca_uint16_t rsrvGetUInt16 ( struct message_buffer *recv )
     ca_uint16_t result;
     /*
      * this assumes that we have already checked to see
-     * if sufficent bytes are available
+     * if sufficient bytes are available
      */
     assert ( recv->cnt - recv->stk >= 2u );
     result  = pBuf[recv->stk++] << 8u;
@@ -385,7 +385,7 @@ ca_uint16_t rsrvGetUInt16 ( struct message_buffer *recv )
 
 /*
  * this assumes that we have already checked to see
- * if sufficent bytes are available
+ * if sufficient bytes are available
  */
 ca_uint32_t rsrvGetUInt32 ( struct message_buffer *recv )
 {
@@ -393,7 +393,7 @@ ca_uint32_t rsrvGetUInt32 ( struct message_buffer *recv )
     ca_uint32_t result;
     /*
      * this assumes that we have already checked to see
-     * if sufficent bytes are available
+     * if sufficient bytes are available
      */
     assert ( recv->cnt - recv->stk >= 4u );
     result  = pBuf[recv->stk++] << 24u;

modules/database/src/std/link/links.dbd.pod

@@ -40,7 +40,7 @@ link(const, lnkConstIf)
 
 =head3 Constant Link C<"const">
 
-Constant links are input links that provide literal values at link initalization
+Constant links are input links that provide literal values at link initialization
 time, but do not return any data when their C<getValue()> routine is called.
 Most record types support the use of constant links on their input links by
 calling C<recGblInitConstantLink()> at record initialization, which results in

modules/database/src/std/rec/aSubRecord.dbd.pod

@@ -338,7 +338,7 @@ during record processing.
 
 =head3 Input Value Fields
 
-Thse fields hold the scalar or array values fetched through the input links
+These fields hold the scalar or array values fetched through the input links
 INPA,...,INPU.
 
 =fields A - U

modules/database/src/std/rec/aiRecord.c

@@ -113,7 +113,7 @@ static long init_record(struct dbCommon *pcommon, int pass)
         return(S_dev_missingSup);
     }
     prec->init = TRUE;
-    /*The following is for old device support that doesnt know about eoff*/
+    /*The following is for old device support that doesn't know about eoff*/
     if ((prec->eslo==1.0) && (prec->eoff==0.0)) {
         prec->eoff = prec->egul;
     }

modules/database/src/std/rec/aoRecord.c

@@ -118,7 +118,7 @@ static long init_record(struct dbCommon *pcommon, int pass)
         return(S_dev_missingSup);
     }
     prec->init = TRUE;
-    /*The following is for old device support that doesnt know about eoff*/
+    /*The following is for old device support that doesn't know about eoff*/
     if ((prec->eslo==1.0) && (prec->eoff==0.0)) {
         prec->eoff = prec->egul;
     }

modules/database/src/std/rec/aoRecord.dbd.pod

@@ -224,8 +224,8 @@ alarms that are common to all record types.
 These parameters are used to specify deadbands for monitors on the VAL
 field. The monitors are sent when the value field exceeds the last
 monitored field by the specified deadband. If these fields have a value
-of zero, everytime the value changes, a monitor will be triggered; if
+of zero, every time the value changes, a monitor will be triggered; if
-they have a value of -1, everytime the record is processed, monitors
+they have a value of -1, every time the record is processed, monitors
 are triggered. ADEL is the deadband for archive monitors, and MDEL the
 deadband for all other types of monitors. See Monitor Specification for
 a complete explanation of monitors.

modules/database/src/std/rec/biRecord.dbd.pod

@@ -99,7 +99,7 @@ These parameters are used to determine if the binary input is in alarm
 condition and to determine the severity of that condition. The possible
 alarm conditions for binary inputs are the SCAN, READ state alarms, and the
 change of state alarm. The SCAN and READ alarms are called by the device
-supprt routines.
+support routines.
 
 The user can choose the severity of each state in the ZSV and OSV fields.
 The possible values for these fields are C<NO_ALARM>, C<MINOR>, and
@@ -126,7 +126,7 @@ MASK is given a value by ithe device support routines. This value is used to
 manipulate the record's value, but is only the concern of the hardware device
 support routines.
 
-The LALM fields holds the value of the last occurence of the change of
+The LALM fields holds the value of the last occurrence of the change of
 state alarm. It is used to implement the change of state alarm, and thus
 only has meaning if COSV is MAJOR or MINOR.
 
@@ -407,7 +407,7 @@ Scan forward link if necessary, set PACT FALSE, and return.
 =head3 Fields of Interest to Device Support
 
 Each binary input record must have an associated set of device support
-routines. The primary resposibility of the device support routines is to
+routines. The primary responsibility of the device support routines is to
 obtain a new raw input value whenever C<read_bi()> is called. The device
 support routines are primarily interested in the following fields:
 

modules/database/src/std/rec/boRecord.dbd.pod

@@ -391,7 +391,7 @@ If either device support or the device support write routine does not
 exist, and error message is issued and processing is terminated.
 
 If DOL is a constant, then VAL is initialized to 1 if its value is nonzero
-or initialzed to 0 if DOL is zero, and UDF is set to FALSE.
+or initialized to 0 if DOL is zero, and UDF is set to FALSE.
 
 If device support includes C<init_record()>, it is called. VAL is set using
 RVAL, and UDF is set to FALSE.

modules/database/src/std/rec/calcRecord.dbd.pod

@@ -442,7 +442,7 @@ Result is C<E> if C<<< (A + B)<(C + D) >>>
 =item *
 Result is unchanged if C<<< (A + B)>=(C + D) >>>
 
-From 3.14.9 onwards, this expresion must be written as
+From 3.14.9 onwards, this expression must be written as
 C<<< (A + B) < (C + D) ? E : VAL >>>
 
 =back
@@ -537,8 +537,8 @@ These paramaeters are used to determine when to send monitors for the value
 fields. These monitors are sent when the value field exceeds the last
 monitored field by the appropriate deadband, the ADEL for archiver monitors
 and the MDEL field for all other types of monitors. If these fields have a
-value of zero, everytime the value changes, monitors are triggered; if they have a
+value of zero, every time the value changes, monitors are triggered; if they have a
-value of -1, everytime the record is scanned, monitors are triggered. See
+value of -1, every time the record is scanned, monitors are triggered. See
 L<Monitor Specification> for a complete explanation of monitors.
 
 =fields ADEL, MDEL

modules/database/src/std/rec/compressRecord.dbd.pod

@@ -121,7 +121,7 @@ holds the average of the first element of INP over N samples, VAL[1] holds the
 average of the next element of INP over N samples, and so on. The following
 shows the equation:
 
-=for comment Latex form of equation bellow : VAL[i] \leftarrow \frac{1}{N}\sum_{n=1}^NINP_{n}[i]
+=for comment Latex form of equation below : VAL[i] \leftarrow \frac{1}{N}\sum_{n=1}^NINP_{n}[i]
 
 =begin html
 

modules/database/src/std/rec/dfanoutRecord.dbd.pod

@@ -42,7 +42,7 @@ These fields are listed in L<Scan Fields|dbCommonRecord/Scan Fields>.
 =head3 Desired Output Parameters
 
 The data fanout record must specify where the desired output value
-originates, i.e., the data which is to be fowarded to the records in its
+originates, i.e., the data which is to be forwarded to the records in its
 output links. The output mode select (OMSL) field determines whether the
 output originates from another record or from run-time database access.
 When set to C<closed_loop>, the desired output is retrieved from the link
@@ -156,8 +156,8 @@ These parameters are used to determine when to send monitors placed on the
 VAL field. These monitors are sent when the value field exceeds the last
 monitored fields by the specified deadband, ADEL for archivers monitors and
 MDEL for all other types of monitors. If these fields have a value of zero,
-everytime the value changes, a monitor will be triggered; if they have a
+every time the value changes, a monitor will be triggered; if they have a
-value of -1, everytime the record is scanned, monitors are triggered. See
+value of -1, every time the record is scanned, monitors are triggered. See
 L<Monitor Specification> for a complete explanation of monitors.
 
 =fields ADEL, MDEL
@@ -165,7 +165,7 @@ L<Monitor Specification> for a complete explanation of monitors.
 =head3 Run-Time Parameters and Simulation Mode Parameters
 
 These parameters are used by the run-time code for processing the data
-fanout record. Ther are not configurable. They are used to implement the
+fanout record. They are not configurable. They are used to implement the
 hysteresis factors for monitor callbacks.
 
 =fields LALM, ALST, MLST

modules/database/src/std/rec/histogramRecord.dbd.pod

@@ -70,7 +70,7 @@ alarms that are common to all record types.
 
 The MDEL field implements the monitor count deadband. Only when MCNT is greater
 than the value given to MDEL are monitors triggered, MCNT being the number of
-counts since the last time the record was processed. If MDEL is -1, everytime
+counts since the last time the record was processed. If MDEL is -1, every time
 the record is processed, a monitor is triggered regardless.
 
 If SDEL is greater than 0, it causes a callback routine to be called. The number

modules/database/src/std/rec/longinRecord.dbd.pod

@@ -93,8 +93,8 @@ alarms that are common to all record types.
 These parameters are used to determine when to send monitors placed on the value
 field. The monitors are sent when the value field exceeds the last monitored
 field (see the next section) by the appropriate deadband. If these fields have a
-value of zero, everytime the value changes, a monitor will be triggered; if they
+value of zero, every time the value changes, a monitor will be triggered; if they
-have a value of -1, everytime the record is scanned, monitors are triggered. The
+have a value of -1, every time the record is scanned, monitors are triggered. The
 ADEL field is used by archive monitors and the MDEL field for all other types of
 monitors.
 

modules/database/src/std/rec/longoutRecord.dbd.pod

@@ -312,9 +312,9 @@ to alarms that are common to all record types.
 
 These parameters are used to determine when to send monitors placed on the value
 field. The monitors are sent when the value field exceeds the last monitored
-field by the appropriate delta. If these fields have a value of zero, everytime
+field by the appropriate delta. If these fields have a value of zero, every time
 the value changes, a monitor will be triggered; if they have a value of -1,
-everytime the record is scanned, monitors are triggered. The ADEL field is the
+every time the record is scanned, monitors are triggered. The ADEL field is the
 delta for archive monitors, and the MDEL field is the delta for all other types
 of monitors. See L<Monitor Specification> for a complete explanation of
 monitors.

modules/database/src/std/rec/mbboDirectRecord.dbd.pod

@@ -16,7 +16,7 @@ It can accept boolean values in its 32 bit fields (B0-B9, BA-BF, B10-B19 and
 B1A-B1F), and converts them to a 32-bit signed integer in VAL which is provided
 to the device support. A zero value in a bit field becomes a zero bit in VAL, a
 non-zero value in a bit field becomes a one bit in VAL, with B0 being the least
-signficant bit and B1F the MSB/sign bit.
+significant bit and B1F the MSB/sign bit.
 
 =recordtype mbboDirect
 
@@ -47,7 +47,7 @@ placed into the VAL field.
 
 When OMSL is set to C<<< supervisory >>>, the DOL field is ignored during
 processing and the contents of VAL are used. A value to be output may thus be
-written direcly into the VAL field from elsewhere as long as the record is in
+written directly into the VAL field from elsewhere as long as the record is in
 C<<< supervisory >>> mode.
 
 =fields OMSL, DOL, VAL

modules/database/src/std/rec/printfRecord.dbd.pod

@@ -36,7 +36,7 @@ These fields are described in L<Scan Fields|dbCommonRecord/Scan Fields>.
 The printf record must specify the desired output string with embedded format
 specifiers in the FMT field. Plain characters are copied directly to the output
 string. A pair of percent characters 'C<%%>' are converted into a single percent
-character in the output string. A single precent character 'C<%>' introduces a
+character in the output string. A single percent character 'C<%>' introduces a
 format specifier and is followed by zero or more of the standard C<printf()>
 format flags and modifiers:
 

modules/database/src/std/rec/selRecord.dbd.pod

@@ -133,8 +133,8 @@ alarms that are common to all record types.
 These fields are configurable by the user. They are used as deadbands for the
 archiver and monitor calls for the VAL field. Unless, VAL changes by more than
 the value specified by each, then the respective monitors will not be called. If
-these fields have a value of zero, everytime the VAL changes, monitors are
+these fields have a value of zero, every time the VAL changes, monitors are
-triggered; if they have a value of -1, everytime the record is processed,
+triggered; if they have a value of -1, every time the record is processed,
 monitors are triggered.
 
 =fields ADEL, MDEL

modules/database/src/std/rec/subRecord.dbd.pod

@@ -100,8 +100,8 @@ field. The appropriate monitors are invoked when VAL differs from the values in
 the ALST and MLST run-time fields, i.e., when the value of VAL changes by more
 than the deadband specified in these fields. The ADEL and MDEL fields specify a
 minimum delta which the change must surpass before the value-change monitors are
-invoked. If these fields have a value of zero, everytime the value changes, a
+invoked. If these fields have a value of zero, every time the value changes, a
-monitor will be triggered; if they have a value of -1, everytime the record is
+monitor will be triggered; if they have a value of -1, every time the record is
 processed, monitors are triggered. The ADEL field is used by archive monitors
 and the MDEL field for all other types of monitors.
 
@@ -290,7 +290,7 @@ This example for a VxWorks IOC shows an asynchronous subroutine. It uses
 (actually misuses) fields A and B. Field A is taken as the number of seconds
 until asynchronous completion. Field B is a flag to decide if messages should be
 printed. Lets assume A E<gt> 0 and B = 1. The following sequence of actions will
-occcur:
+occur:
 
 =over
 

modules/database/src/std/softIoc/base.dbd

@@ -4,7 +4,7 @@
 # Fixed menus
 include "menuGlobal.dbd"
 
-# Modifyable menus
+# Modifiable menus
 include "menuConvert.dbd"
 include "menuScan.dbd"
 

modules/database/src/std/softIoc/softMain.cpp

@@ -72,7 +72,7 @@ void usage(const char *arg0, const std::string& base_dbd) {
                "    -D <dbd>  If used, must come first. Specify the path to the softIoc.dbdfile."
                "        The compile-time install location is saved in the binary as a default.\n"
                "\n"
-               "    -h  Print this mesage and exit.\n"
+               "    -h  Print this message and exit.\n"
                "\n"
                "    -S  Prevents an interactive shell being started.\n"
                "\n"

modules/database/src/tools/dbdToHtml.pl

@@ -405,7 +405,7 @@ field tables that refer to a locally-defined menu will generate a link to a
 document section which must be titled "Menu [menuName]".
 
 The "title" keyword should only appear once in each file, it sets the document
-title as well as generating a "head1" heading with "EPICS Reference:" pre-pended
+title as well as generating a "head1" heading with "EPICS Reference:" prepended
 to the text.
 
 =cut

modules/database/test/ioc/db/dbPutLinkTest.c

@@ -98,7 +98,7 @@ static void testLinkParse(void)
         if (td->info.target && info.target)
             testStrcmp(0, info.target, td->info.target);
         else if(!!td->info.target ^ !!info.target)
-            testFail("info target NULL mis-match %s %s", info.target, td->info.target);
+            testFail("info target NULL mismatch %s %s", info.target, td->info.target);
         else
             testPass("info target NULL as expected");
         if (info.ltype == td->info.ltype) {

modules/database/test/ioc/db/dbStaticTestAliasAgainError1.db

@@ -1,2 +1,2 @@
-# ERROR: alias using name of exising alias for different record
+# ERROR: alias using name of existing alias for different record
 alias("testrec", "testaliasAgain1")

modules/database/test/ioc/db/dbStaticTestAliasAgainError2.db

@@ -1,2 +1,2 @@
-# ERROR: alias using name of exising record fails
+# ERROR: alias using name of existing record fails
 alias("testrecAgain", "testrec")

modules/database/test/ioc/db/dbStaticTestRemove.db

@@ -35,7 +35,7 @@ record(x, "testdelrec8") {
 }
 
 record("#", "no:such:record") { }
-record("#", "also:non:existant") {
+record("#", "also:non:existent") {
     field(FOO, "5")
 }
 

modules/database/test/ioc/db/devx.c

@@ -60,7 +60,7 @@ xdrv *xdrv_get(int group)
             return curd;
         }
     }
-    cantProceed("xdrv_get() for non-existant group");
+    cantProceed("xdrv_get() for non-existent group");
     return NULL;
 }
 

modules/database/test/std/rec/asyncproctest.db

@@ -14,7 +14,7 @@ record(sub, "done1") {
 
 
 # original problem case
-# async record chained after syncronous record
+# async record chained after synchronous record
 record(calcout, "chain2:1") {
     field(CALC, "A:=A+1;B")
     # ODLY=0 synchronous

modules/database/test/std/rec/boTest.c

@@ -53,7 +53,7 @@ static void test_high(void){
     /* set VAL to process record */
     testdbPutFieldOk("test_bo_rec.VAL", DBF_SHORT, TRUE);
 
-    /* wait and verfiy time */
+    /* wait and verify time */
     testMonitorWait(test_mon);
     epicsTimeGetCurrent(&endTime);
 

modules/libcom/RTEMS/posix/rtems_init.c

@@ -1018,7 +1018,7 @@ POSIX_Init ( void *argument __attribute__((unused)))
 #if defined(QEMU_FIXUPS) && defined(__i386__)
     // glorious hack to stub out useless EEPROM check
     // which takes sooooo longggg w/ QEMU
-    // Writes a 'ret' instruction to immediatly return to the caller
+    // Writes a 'ret' instruction to immediately return to the caller
     extern void _bsd_e1000_validate_nvm_checksum(void);
     *(char*)&_bsd_e1000_validate_nvm_checksum = 0xc3;
 #endif

modules/libcom/src/calc/calcPerform.c

@@ -40,7 +40,7 @@ static int cond_search(const char **ppinst, int match);
 
 /* calcPerform
  *
- * Evalutate the postfix expression
+ * Evaluate the postfix expression
  */
 LIBCOM_API long
     calcPerform(double *parg, double *presult, const char *pinst)

modules/libcom/src/calc/postfix.c

@@ -42,7 +42,7 @@ typedef enum {
         UNARY_OPERATOR,
         VARARG_OPERATOR,
         BINARY_OPERATOR,
-        SEPERATOR,
+        SEPARATOR,
         CLOSE_PAREN,
         CONDITIONAL,
         EXPR_TERMINATOR,
@@ -155,7 +155,7 @@ static const ELEMENT operators[] = {
 {"*",           5, 5,   -1,     BINARY_OPERATOR,MULT},
 {"**",          6, 6,   -1,     BINARY_OPERATOR,POWER},
 {"+",           4, 4,   -1,     BINARY_OPERATOR,ADD},
-{",",           0, 0,   0,      SEPERATOR,      NOT_GENERATED},
+{",",           0, 0,   0,      SEPARATOR,      NOT_GENERATED},
 {"-",           4, 4,   -1,     BINARY_OPERATOR,SUB},
 {"/",           5, 5,   -1,     BINARY_OPERATOR,DIV},
 {":",           0, 0,   -1,     CONDITIONAL,    COND_ELSE},
@@ -343,7 +343,7 @@ LIBCOM_API long
             operand_needed = TRUE;
             break;
 
-        case SEPERATOR:
+        case SEPARATOR:
             if (pstacktop == stack) {
                 *perror = CALC_ERR_BAD_SEPERATOR;
                 goto bad;

modules/libcom/src/calc/postfix.h

@@ -323,7 +323,7 @@ LIBCOM_API long
 
 /** \brief Run the calculation engine
  *
- * Evaluates the postfix expression against a set ot input values.
+ * Evaluates the postfix expression against a set of input values.
  *
  * \param parg Pointer to an array of double values for the arguments
  * \c A-U that can appear in the expression.

modules/libcom/src/cxxTemplates/resourceLib.h

@@ -423,7 +423,7 @@ void resTable<T,ID>::show ( unsigned level ) const
             mean, stdDev, maxEntries );
         printf("%u empty buckets\n", empty);
         if ( X != this->nInUse ) {
-            printf ("this->nInUse didnt match items counted which was %f????\n", X );
+            printf ("this->nInUse didn't match items counted which was %f????\n", X );
         }
     }
 }
@@ -1140,7 +1140,7 @@ stringId::~stringId()
             //
             // the HP-UX compiler gives us a warning on
             // each cast away of const, but in this case
-            // it cant be avoided.
+            // it can't be avoided.
             //
             // The DEC compiler complains that const isn't
             // really significant in a cast if it is present.

modules/libcom/src/dbmf/dbmf.c

@@ -78,7 +78,7 @@ int dbmfInit(size_t size, int chunkItems)
     pdbmfPvt = &dbmfPvt;
     ellInit(&pdbmfPvt->chunkList);
     pdbmfPvt->lock = epicsMutexMustCreate();
-    /*allign to at least a double*/
+    /*align to at least a double*/
     pdbmfPvt->size = size + size%sizeof(double);
     /* layout is
      * | itemHeader | REDZONE | size | REDZONE |

modules/libcom/src/env/envDefs.h

@@ -82,7 +82,7 @@ LIBCOM_API extern const ENV_PARAM EPICS_ALLOW_POSIX_THREAD_PRIORITY_SCHEDULING;
  *
  * A NULL terminated array of all ENV_PARAM known to EPICS Base.
  * This array is assembled during the EPICS Base build, and
- * contains at least the preceeding parameters.
+ * contains at least the preceding parameters.
  */
 LIBCOM_API extern const ENV_PARAM *env_param_list[];
 

modules/libcom/src/error/errSymTbl.h

@@ -45,7 +45,7 @@ extern "C" {
  *
  * Handles EPICS message codes, and "errno" codes.
  *
- * Copies in a mesage for any status code.  Unknown status codes
+ * Copies in a message for any status code.  Unknown status codes
  * are printed numerically.
  */
 LIBCOM_API void errSymLookup(long status, char *pBuf, size_t bufLength);
@@ -65,7 +65,7 @@ LIBCOM_API void errSymTest(epicsUInt16 modnum, epicsUInt16 begErrNum,
 LIBCOM_API void errSymTestPrint(long errNum);
 LIBCOM_API int errSymBld(void);
 /** @brief Define new custom error code and associate message string.
- *  @param errNum New error code.  Caller is reponsible for avoiding reuse of existing codes.
+ *  @param errNum New error code.  Caller is responsible for avoiding reuse of existing codes.
  *  @param message New message.  Pointer stored.  Caller must not free pointed storage.
  *  @return 0 on success
  */

modules/libcom/src/fdmgr/fdmgr.h

@@ -71,7 +71,7 @@ LIBCOM_API fdctx * epicsStdCall fdmgr_init(void);
  * Specify a function to be called with a specified parameter
  * after a specified delay relative to the current time
  *
- * Returns fdmgrNoAlarm (zero) if alarm cant be created
+ * Returns fdmgrNoAlarm (zero) if alarm can't be created
  */
 #define fdmgrNoAlarm 0
 LIBCOM_API fdmgrAlarmId epicsStdCall fdmgr_add_timeout(