Remove useless whitespace at end of lines

src/backend/utils/misc/Makefile

@@ -37,5 +37,5 @@ endif
 
 # Note: guc-file.c is not deleted by 'make clean',
 # since we want to ship it in distribution tarballs.
-clean: 
+clean:
 	@rm -f lex.yy.c

src/backend/utils/misc/check_guc

@@ -4,7 +4,7 @@
 ## in postgresql.conf.sample:
 ##   1) the valid config settings may be preceded by a '#', but NOT '# '
 ##      (we use this to skip comments)
-##   2) the valid config settings will be followed immediately by  ' =' 
+##   2) the valid config settings will be followed immediately by  ' ='
 ##      (at least one space preceding the '=')
 ## in guc.c:
 ##   3) the options have PGC_ on the same line as the option
@@ -14,7 +14,7 @@
 ## 1) Don't know what to do with TRANSACTION ISOLATION LEVEL
 
 ## if an option is valid but shows up in only one file (guc.c but not
-## postgresql.conf.sample), it should be listed here so that it 
+## postgresql.conf.sample), it should be listed here so that it
 ## can be ignored
 INTENTIONALLY_NOT_INCLUDED="autocommit debug_deadlocks \
 is_superuser lc_collate lc_ctype lc_messages lc_monetary lc_numeric lc_time \
@@ -23,35 +23,35 @@ session_authorization trace_lock_oidmin trace_lock_table trace_locks trace_lwloc
 trace_notify trace_userlocks transaction_isolation transaction_read_only \
 zero_damaged_pages"
 
-### What options are listed in postgresql.conf.sample, but don't appear 
+### What options are listed in postgresql.conf.sample, but don't appear
 ### in guc.c?
 
 # grab everything that looks like a setting and convert it to lower case
-SETTINGS=`grep ' =' postgresql.conf.sample | 
+SETTINGS=`grep ' =' postgresql.conf.sample |
 grep -v '^# ' | # strip comments
-sed -e 's/^#//' | 
+sed -e 's/^#//' |
 awk '{print $1}'`
 
 SETTINGS=`echo "$SETTINGS" | tr 'A-Z' 'a-z'`
 
-for i in $SETTINGS ; do 
+for i in $SETTINGS ; do
   hidden=0
   ## it sure would be nice to replace this with an sql "not in" statement
   ## it doesn't seem to make sense to have things in .sample and not in guc.c
 #  for hidethis in $INTENTIONALLY_NOT_INCLUDED ; do
-#    if [ "$hidethis" = "$i" ] ; then 
+#    if [ "$hidethis" = "$i" ] ; then
 #      hidden=1
 #    fi
 #  done
   if [ "$hidden" -eq 0 ] ; then
     grep -i '"'$i'"' guc.c > /dev/null
-    if [ $? -ne 0 ] ; then 
-      echo "$i seems to be missing from guc.c"; 
-    fi; 
+    if [ $? -ne 0 ] ; then
+      echo "$i seems to be missing from guc.c";
+    fi;
   fi
 done
 
-### What options are listed in guc.c, but don't appear 
+### What options are listed in guc.c, but don't appear
 ### in postgresql.conf.sample?
 
 # grab everything that looks like a setting and convert it to lower case

src/backend/utils/misc/guc-file.l

@@ -463,9 +463,9 @@ ParseConfigFile(const char *config_file, const char *calling_file,
 
 		/* now we must have the option value */
 		if (token != GUC_ID &&
-			token != GUC_STRING && 
-			token != GUC_INTEGER && 
-			token != GUC_REAL && 
+			token != GUC_STRING &&
+			token != GUC_INTEGER &&
+			token != GUC_REAL &&
 			token != GUC_UNQUOTED_STRING)
 			goto parse_error;
 		if (token == GUC_STRING)	/* strip quotes and escapes */
@@ -573,7 +573,7 @@ ParseConfigFile(const char *config_file, const char *calling_file,
 	else
 		ereport(elevel,
 				(errcode(ERRCODE_SYNTAX_ERROR),
-				 errmsg("syntax error in file \"%s\" line %u, near token \"%s\"", 
+				 errmsg("syntax error in file \"%s\" line %u, near token \"%s\"",
 						config_file, ConfigFileLineno, yytext)));
 	OK = false;
 

src/backend/utils/misc/postgresql.conf.sample

@@ -62,7 +62,7 @@
 					# (change requires restart)
 #port = 5432				# (change requires restart)
 #max_connections = 100			# (change requires restart)
-# Note:  Increasing max_connections costs ~400 bytes of shared memory per 
+# Note:  Increasing max_connections costs ~400 bytes of shared memory per
 # connection slot, plus lock space (see max_locks_per_transaction).
 #superuser_reserved_connections = 3	# (change requires restart)
 #unix_socket_directory = ''		# (change requires restart)
@@ -154,7 +154,7 @@
 					# (change requires restart)
 #fsync = on				# turns forced synchronization on or off
 #synchronous_commit = on		# immediate fsync at commit
-#wal_sync_method = fsync		# the default is the first option 
+#wal_sync_method = fsync		# the default is the first option
 					# supported by the operating system:
 					#   open_datasync
 					#   fdatasync
@@ -246,7 +246,7 @@
 #constraint_exclusion = partition	# on, off, or partition
 #cursor_tuple_fraction = 0.1		# range 0.0-1.0
 #from_collapse_limit = 8
-#join_collapse_limit = 8		# 1 disables collapsing of explicit 
+#join_collapse_limit = 8		# 1 disables collapsing of explicit
 					# JOIN clauses
 
 
@@ -284,7 +284,7 @@
 					# in all cases.
 #log_rotation_age = 1d			# Automatic rotation of logfiles will
 					# happen after that time.  0 disables.
-#log_rotation_size = 10MB		# Automatic rotation of logfiles will 
+#log_rotation_size = 10MB		# Automatic rotation of logfiles will
 					# happen after that much log output.
 					# 0 disables.
 
@@ -412,7 +412,7 @@
 # AUTOVACUUM PARAMETERS
 #------------------------------------------------------------------------------
 
-#autovacuum = on			# Enable autovacuum subprocess?  'on' 
+#autovacuum = on			# Enable autovacuum subprocess?  'on'
 					# requires track_counts to also be on.
 #log_autovacuum_min_duration = -1	# -1 disables, 0 logs all actions and
 					# their durations, > 0 logs only
@@ -423,7 +423,7 @@
 #autovacuum_naptime = 1min		# time between autovacuum runs
 #autovacuum_vacuum_threshold = 50	# min number of row updates before
 					# vacuum
-#autovacuum_analyze_threshold = 50	# min number of row updates before 
+#autovacuum_analyze_threshold = 50	# min number of row updates before
 					# analyze
 #autovacuum_vacuum_scale_factor = 0.2	# fraction of table size before vacuum
 #autovacuum_analyze_scale_factor = 0.1	# fraction of table size before analyze