This patch removes a bunch of superfluous #include directives: if

postgres.h or c.h includes a system header (such as stdio.h or
stdlib.h), there's no need to specifically include it in any of the .c
files in the backend.

Neil Conway

src/backend/access/transam/xlog.c

@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.109 2002/11/02 15:54:12 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/transam/xlog.c,v 1.110 2002/11/08 20:23:56 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -21,7 +21,6 @@
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <dirent.h>
-#include <locale.h>
 
 #include "access/clog.h"
 #include "access/transam.h"

src/backend/main/main.c

@@ -13,7 +13,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/main/main.c,v 1.55 2002/10/31 22:37:19 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/main/main.c,v 1.56 2002/11/08 20:23:56 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -22,7 +22,6 @@
 #include <errno.h>
 #include <pwd.h>
 #include <unistd.h>
-#include <locale.h>
 
 #if defined(__alpha) && defined(__osf__)
 #include <sys/sysinfo.h>

src/backend/port/beos/sem.c

@@ -10,7 +10,6 @@
 
 
 #include "postgres.h"
-#include <stdio.h>
 #include <errno.h>
 #include <unistd.h>
 #include <OS.h>

src/backend/port/beos/shm.c

@@ -9,7 +9,6 @@
  */
 
 #include "postgres.h"
-#include <stdio.h>
 #include <OS.h>
 #include <errno.h>
 

src/backend/port/darwin/system.c

@@ -37,11 +37,8 @@
 static char sccsid[] = "@(#)system.c	8.1 (Berkeley) 6/4/93";
 #endif   /* LIBC_SCCS and not lint */
 
-#include <sys/types.h>
 #include <sys/wait.h>
 #include <signal.h>
-#include <stdlib.h>
-#include <stddef.h>
 #include <unistd.h>
 #include <paths.h>
 #include <errno.h>

src/backend/port/dynloader/aix.c

@@ -6,7 +6,6 @@
 
 #include "postgres.h"
 
-#include <stdio.h>
 #include <errno.h>
 #include "sys/ldr.h"
 #include <a.out.h>

src/backend/port/dynloader/freebsd.c

@@ -43,9 +43,6 @@ static char sccsid[] = "@(#)dl.c	5.4 (Berkeley) 2/23/91";
 #include <link.h>
 #include <dlfcn.h>
 
-#include <stdio.h>
-#include <stdlib.h>
-
 static char error_message[BUFSIZ];
 
 char *

src/backend/port/dynloader/netbsd.c

@@ -42,9 +42,6 @@ static char sccsid[] = "@(#)dl.c	5.4 (Berkeley) 2/23/91";
 #include <link.h>
 #include <dlfcn.h>
 
-#include <stdio.h>
-#include <stdlib.h>
-
 #include "dynloader.h"
 
 static char error_message[BUFSIZ];

src/backend/port/dynloader/nextstep.c

@@ -3,8 +3,6 @@
 #include "mach-o/rld.h"
 #include "streams/streams.h"
 
-#include <stdlib.h>
-
 static char *lastError = NULL;
 
 static NXStream *

src/backend/port/dynloader/openbsd.c

@@ -42,9 +42,6 @@ static char sccsid[] = "@(#)dl.c	5.4 (Berkeley) 2/23/91";
 #include <link.h>
 #include <dlfcn.h>
 
-#include <stdio.h>
-#include <stdlib.h>
-
 #include "dynloader.h"
 
 static char error_message[BUFSIZ];

src/backend/port/dynloader/qnx4.c

@@ -7,19 +7,20 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/port/dynloader/Attic/qnx4.c,v 1.3 2001/02/10 02:31:26 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/port/dynloader/Attic/qnx4.c,v 1.4 2002/11/08 20:23:56 momjian Exp $
  *
  *	NOTES
  *
  *-------------------------------------------------------------------------
  */
 /* System includes */
+
+#include "postgres.h"
+
 /*
-#include <stdio.h>
 #include <a.out.h>
 #include <dl.h>
 */
-#include "postgres.h"
 
 #include "utils/dynamic_loader.h"
 #include "dynloader.h"

src/backend/port/dynloader/ultrix4.c

@@ -1,6 +1,6 @@
 /*-------------------------------------------------------------------------
  *
- * dynloader.c
+ * ultrix4.c
  *	  This dynamic loader uses Andrew Yu's libdl-1.0 package for Ultrix 4.x.
  *
  * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/port/dynloader/ultrix4.c,v 1.15 2002/06/20 20:29:33 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/port/dynloader/ultrix4.c,v 1.16 2002/11/08 20:23:56 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */

src/backend/port/qnx4/sem.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/sem.c,v 1.10 2002/09/02 02:47:03 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/sem.c,v 1.11 2002/11/08 20:23:56 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -16,7 +16,6 @@
 
 #include <errno.h>
 #include <semaphore.h>
-#include <string.h>
 #include <unistd.h>
 #include <fcntl.h>
 #include <sys/mman.h>

src/backend/port/qnx4/shm.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/shm.c,v 1.7 2001/10/25 05:49:40 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/shm.c,v 1.8 2002/11/08 20:23:56 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -16,8 +16,6 @@
 
 #include <errno.h>
 #include <fcntl.h>
-#include <stdlib.h>
-#include <string.h>
 #include <unistd.h>
 #include <sys/mman.h>
 #include <sys/shm.h>

src/backend/port/qnx4/tstrint.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/tstrint.c,v 1.3 2001/08/24 14:07:49 petere Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/tstrint.c,v 1.4 2002/11/08 20:23:56 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -15,8 +15,6 @@
 #include "c.h"
 
 #include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
 
 
 int

src/backend/port/qnx4/tstsem.c

@@ -7,7 +7,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/tstsem.c,v 1.8 2002/09/04 20:31:24 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/tstsem.c,v 1.9 2002/11/08 20:23:56 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -15,8 +15,6 @@
 #include "postgres.h"
 
 #include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
 #include <unistd.h>
 #include "storage/ipc.h"
 #include <sys/mman.h>

src/backend/port/qnx4/tstshm.c

@@ -7,15 +7,13 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/tstshm.c,v 1.3 2001/08/24 14:07:49 petere Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/port/qnx4/Attic/tstshm.c,v 1.4 2002/11/08 20:23:56 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
 
 #include "postgres.h"
 
-#include <stdio.h>
-#include <stdlib.h>
 #include <unistd.h>
 #include <sys/shm.h>
 

src/backend/regex/regcomp.c

@@ -47,7 +47,6 @@
 #include "regex/utils.h"
 #include "regex/regex2.h"
 #include "regex/cname.h"
-#include <locale.h>
 
 struct cclass
 {

src/backend/regex/regexec.c

@@ -46,7 +46,6 @@
  * macros that code uses.  This lets the same code operate on two different
  * representations for state sets.
  */
-#include <sys/types.h>
 #include <limits.h>
 #include <ctype.h>
 #include <assert.h>

src/backend/utils/adt/formatting.c

@@ -1,7 +1,7 @@
 /* -----------------------------------------------------------------------
  * formatting.c
  *
- * $Header: /cvsroot/pgsql/src/backend/utils/adt/formatting.c,v 1.56 2002/09/20 03:57:09 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/formatting.c,v 1.57 2002/11/08 20:23:56 momjian Exp $
  *
  *
  *	 Portions Copyright (c) 1999-2002, PostgreSQL Global Development Group
@@ -72,7 +72,6 @@
 #include <ctype.h>
 #include <sys/time.h>
 #include <unistd.h>
-#include <locale.h>
 #include <math.h>
 #include <float.h>
 

src/backend/utils/adt/selfuncs.c

@@ -15,7 +15,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.119 2002/10/19 02:56:16 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.120 2002/11/08 20:23:57 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -70,7 +70,6 @@
 
 #include <ctype.h>
 #include <math.h>
-#include <locale.h>
 
 #include "access/heapam.h"
 #include "access/tuptoaster.h"

src/backend/utils/init/miscinit.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/init/miscinit.c,v 1.96 2002/09/04 20:31:31 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/init/miscinit.c,v 1.97 2002/11/08 20:23:57 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -22,7 +22,6 @@
 #include <unistd.h>
 #include <grp.h>
 #include <pwd.h>
-#include <stdlib.h>
 #include <errno.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>

src/backend/utils/misc/database.c

@@ -8,15 +8,13 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/misc/Attic/database.c,v 1.53 2002/09/04 20:31:32 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/misc/Attic/database.c,v 1.54 2002/11/08 20:23:57 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
 #include "postgres.h"
 
 #include <fcntl.h>
-#include <stdlib.h>
-#include <string.h>
 #include <unistd.h>
 
 #include "access/xact.h"

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

@@ -4,15 +4,13 @@
  *
  * Copyright 2000 by PostgreSQL Global Development Group
  *
- * $Header: /cvsroot/pgsql/src/backend/utils/misc/guc-file.l,v 1.13 2002/07/30 16:33:08 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/utils/misc/guc-file.l,v 1.14 2002/11/08 20:23:57 momjian Exp $
  */
 
 %{
 
 #include "postgres.h"
 
-#include <string.h>
-#include <stdarg.h>
 #include <sys/stat.h>
 #include <unistd.h>
 #include <errno.h>