Move psql's print.c and mbprint.c into src/fe_utils.

Just turning the crank ...

src/bin/psql/Makefile

@@ -22,8 +22,8 @@ override CPPFLAGS := -I. -I$(srcdir) -I$(libpq_srcdir) $(CPPFLAGS)
 LDFLAGS += -L$(top_builddir)/src/fe_utils -lpgfeutils
 
 OBJS=	command.o common.o help.o input.o stringutils.o mainloop.o copy.o \
-	startup.o prompt.o variables.o large_obj.o print.o describe.o \
-	tab-complete.o mbprint.o \
+	startup.o prompt.o variables.o large_obj.o describe.o \
+	tab-complete.o \
 	sql_help.o psqlscan.o psqlscanslash.o \
 	$(WIN32RES)
 

src/bin/psql/command.c

@@ -44,7 +44,7 @@
 #include "input.h"
 #include "large_obj.h"
 #include "mainloop.h"
-#include "print.h"
+#include "fe_utils/print.h"
 #include "psqlscanslash.h"
 #include "settings.h"
 #include "variables.h"

src/bin/psql/command.h

@@ -8,7 +8,7 @@
 #ifndef COMMAND_H
 #define COMMAND_H
 
-#include "print.h"
+#include "fe_utils/print.h"
 #include "psqlscan.h"
 
 

src/bin/psql/common.c

@@ -23,7 +23,7 @@
 #include "settings.h"
 #include "command.h"
 #include "copy.h"
-#include "mbprint.h"
+#include "fe_utils/mbprint.h"
 
 
 static bool ExecQueryUsingCursor(const char *query, double *elapsed_msec);

src/bin/psql/common.h

@@ -11,7 +11,7 @@
 #include <setjmp.h>
 
 #include "libpq-fe.h"
-#include "print.h"
+#include "fe_utils/print.h"
 
 #define atooid(x)  ((Oid) strtoul((x), NULL, 10))
 
@@ -28,10 +28,6 @@ extern volatile bool sigint_interrupt_enabled;
 
 extern sigjmp_buf sigint_interrupt_jmp;
 
-extern volatile bool cancel_pressed;
-
-/* Note: cancel_pressed is defined in print.c, see that file for reasons */
-
 extern void setup_cancel_handler(void);
 
 extern void SetCancelConn(void);

src/bin/psql/describe.c

@@ -19,8 +19,8 @@
 
 #include "common.h"
 #include "describe.h"
-#include "mbprint.h"
-#include "print.h"
+#include "fe_utils/mbprint.h"
+#include "fe_utils/print.h"
 #include "settings.h"
 #include "variables.h"
 

src/bin/psql/mbprint.h

@@ -1,18 +0,0 @@
-/* src/bin/psql/mbprint.h */
-#ifndef MBPRINT_H
-#define MBPRINT_H
-
-
-struct lineptr
-{
-	unsigned char *ptr;
-	int			width;
-};
-
-extern unsigned char *mbvalidate(unsigned char *pwcs, int encoding);
-extern int	pg_wcswidth(const char *pwcs, size_t len, int encoding);
-extern void pg_wcsformat(const unsigned char *pwcs, size_t len, int encoding, struct lineptr * lines, int count);
-extern void pg_wcssize(const unsigned char *pwcs, size_t len, int encoding,
-		   int *width, int *height, int *format_size);
-
-#endif   /* MBPRINT_H */

src/bin/psql/nls.mk

@@ -2,9 +2,10 @@
 CATALOG_NAME     = psql
 AVAIL_LANGUAGES  = cs de es fr it ja pl pt_BR ru zh_CN zh_TW
 GETTEXT_FILES    = command.c common.c copy.c help.c input.c large_obj.c \
-                   mainloop.c print.c psqlscan.c psqlscanslash.c startup.c \
+                   mainloop.c psqlscan.c psqlscanslash.c startup.c \
                    describe.c sql_help.h sql_help.c \
                    tab-complete.c variables.c \
+                   ../../fe_utils/print.c \
                    ../../common/exec.c ../../common/fe_memutils.c ../../common/username.c \
                    ../../common/wait_error.c
 GETTEXT_TRIGGERS = N_ psql_error simple_prompt

src/bin/psql/settings.h

@@ -10,7 +10,7 @@
 
 
 #include "variables.h"
-#include "print.h"
+#include "fe_utils/print.h"
 
 #define DEFAULT_FIELD_SEP "|"
 #define DEFAULT_RECORD_SEP "\n"

src/bin/psql/startup.c

@@ -26,7 +26,7 @@
 #include "help.h"
 #include "input.h"
 #include "mainloop.h"
-#include "print.h"
+#include "fe_utils/print.h"
 #include "settings.h"
 
 

src/bin/scripts/.gitignore

@@ -9,7 +9,4 @@
 /vacuumdb
 /pg_isready
 
-/mbprint.c
-/print.c
-
 /tmp_check/

src/bin/scripts/Makefile

@@ -18,7 +18,7 @@ include $(top_builddir)/src/Makefile.global
 
 PROGRAMS = createdb createlang createuser dropdb droplang dropuser clusterdb vacuumdb reindexdb pg_isready
 
-override CPPFLAGS := -I$(top_srcdir)/src/bin/psql -I$(libpq_srcdir) $(CPPFLAGS)
+override CPPFLAGS := -I$(libpq_srcdir) $(CPPFLAGS)
 LDFLAGS += -L$(top_builddir)/src/fe_utils -lpgfeutils
 
 all: $(PROGRAMS)
@@ -27,19 +27,16 @@ all: $(PROGRAMS)
 	$(CC) $(CFLAGS) $^ $(libpq_pgport) $(LDFLAGS) $(LDFLAGS_EX) $(LIBS) -o $@$(X)
 
 createdb: createdb.o common.o | submake-libpq submake-libpgport submake-libpgfeutils
-createlang: createlang.o common.o print.o mbprint.o | submake-libpq submake-libpgport
+createlang: createlang.o common.o | submake-libpq submake-libpgport submake-libpgfeutils
 createuser: createuser.o common.o | submake-libpq submake-libpgport submake-libpgfeutils
 dropdb: dropdb.o common.o | submake-libpq submake-libpgport submake-libpgfeutils
-droplang: droplang.o common.o print.o mbprint.o | submake-libpq submake-libpgport
+droplang: droplang.o common.o | submake-libpq submake-libpgport submake-libpgfeutils
 dropuser: dropuser.o common.o | submake-libpq submake-libpgport submake-libpgfeutils
 clusterdb: clusterdb.o common.o | submake-libpq submake-libpgport submake-libpgfeutils
 vacuumdb: vacuumdb.o common.o | submake-libpq submake-libpgport submake-libpgfeutils
 reindexdb: reindexdb.o common.o | submake-libpq submake-libpgport submake-libpgfeutils
 pg_isready: pg_isready.o common.o | submake-libpq submake-libpgport
 
-print.c mbprint.c : % : $(top_srcdir)/src/bin/psql/%
-	rm -f $@ && $(LN_S) $< .
-
 install: all installdirs
 	$(INSTALL_PROGRAM) createdb$(X)   '$(DESTDIR)$(bindir)'/createdb$(X)
 	$(INSTALL_PROGRAM) dropdb$(X)     '$(DESTDIR)$(bindir)'/dropdb$(X)
@@ -60,8 +57,7 @@ uninstall:
 
 clean distclean maintainer-clean:
 	rm -f $(addsuffix $(X), $(PROGRAMS)) $(addsuffix .o, $(PROGRAMS))
-	rm -f common.o print.o mbprint.o $(WIN32RES)
-	rm -f print.c mbprint.c
+	rm -f common.o $(WIN32RES)
 	rm -rf tmp_check
 
 check:

src/bin/scripts/createlang.c

@@ -12,7 +12,7 @@
 #include "postgres_fe.h"
 
 #include "common.h"
-#include "print.h"
+#include "fe_utils/print.h"
 
 static void help(const char *progname);
 

src/bin/scripts/droplang.c

@@ -12,7 +12,7 @@
 #include "postgres_fe.h"
 
 #include "common.h"
-#include "print.h"
+#include "fe_utils/print.h"
 
 #define atooid(x)  ((Oid) strtoul((x), NULL, 10))
 

src/bin/scripts/nls.mk

@@ -6,5 +6,6 @@ GETTEXT_FILES    = createdb.c createlang.c createuser.c \
                    clusterdb.c vacuumdb.c reindexdb.c \
                    pg_isready.c \
                    common.c \
+                   ../../fe_utils/print.c \
                    ../../common/fe_memutils.c ../../common/username.c
 GETTEXT_TRIGGERS = simple_prompt yesno_prompt

src/fe_utils/Makefile

@@ -17,7 +17,7 @@ include $(top_builddir)/src/Makefile.global
 
 override CPPFLAGS := -DFRONTEND -I$(libpq_srcdir) $(CPPFLAGS)
 
-OBJS = simple_list.o string_utils.o
+OBJS = mbprint.o print.o simple_list.o string_utils.o
 
 all: libpgfeutils.a
 

src/fe_utils/mbprint.c

@@ -1,20 +1,21 @@
-/*
- * psql - the PostgreSQL interactive terminal
+/*-------------------------------------------------------------------------
  *
- * Copyright (c) 2000-2016, PostgreSQL Global Development Group
+ * Multibyte character printing support for frontend code
  *
- * src/bin/psql/mbprint.c
  *
- * XXX this file does not really belong in psql/.  Perhaps move to libpq?
- * It also seems that the mbvalidate function is redundant with existing
- * functionality.
+ * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/fe_utils/mbprint.c
+ *
+ *-------------------------------------------------------------------------
  */
-
 #include "postgres_fe.h"
-#include "mbprint.h"
-#ifndef PGSCRIPTS
-#include "settings.h"
-#endif
+
+#include "fe_utils/mbprint.h"
+
+#include "libpq-fe.h"
+
 
 /*
  * To avoid version-skew problems, this file must not use declarations
@@ -381,6 +382,12 @@ pg_wcsformat(const unsigned char *pwcs, size_t len, int encoding,
 	(lines + 1)->ptr = NULL;	/* terminate line array */
 }
 
+
+/*
+ * Encoding validation: delete any unvalidatable characters from the string
+ *
+ * This seems redundant with existing functionality elsewhere?
+ */
 unsigned char *
 mbvalidate(unsigned char *pwcs, int encoding)
 {

src/fe_utils/print.c

@@ -1,13 +1,24 @@
-/*
- * psql - the PostgreSQL interactive terminal
+/*-------------------------------------------------------------------------
  *
- * Copyright (c) 2000-2016, PostgreSQL Global Development Group
+ * Query-result printing support for frontend code
  *
- * src/bin/psql/print.c
+ * This file used to be part of psql, but now it's separated out to allow
+ * other frontend programs to use it.  Because the printing code needs
+ * access to the cancel_pressed flag as well as SIGPIPE trapping and
+ * pager open/close functions, all that stuff came with it.
+ *
+ *
+ * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/fe_utils/print.c
+ *
+ *-------------------------------------------------------------------------
  */
 #include "postgres_fe.h"
 
 #include <limits.h>
+#include <locale.h>
 #include <math.h>
 #include <signal.h>
 #include <unistd.h>
@@ -20,32 +31,23 @@
 #include <termios.h>
 #endif
 
-#include <locale.h>
+#include "fe_utils/print.h"
 
 #include "catalog/pg_type.h"
+#include "fe_utils/mbprint.h"
 
-#include "common.h"
-#include "mbprint.h"
-#include "print.h"
 
 /*
- * We define the cancel_pressed flag in this file, rather than common.c where
- * it naturally belongs, because this file is also used by non-psql programs
- * (see the bin/scripts/ directory).  In those programs cancel_pressed will
- * never become set and will have no effect.
+ * If the calling program doesn't have any mechanism for setting
+ * cancel_pressed, it will have no effect.
  *
  * Note: print.c's general strategy for when to check cancel_pressed is to do
  * so at completion of each row of output.
  */
 volatile bool cancel_pressed = false;
 
-/*
- * Likewise, the sigpipe_trap and pager open/close functions are here rather
- * than in common.c so that this file can be used by non-psql programs.
- */
 static bool always_ignore_sigpipe = false;
 
-
 /* info for locale-aware numeric formatting; set up by setDecimalLocale() */
 static char *decimal_point;
 static int	groupdigits;
@@ -139,7 +141,7 @@ typedef struct unicodeStyleFormat
 	bool		wrap_right_border;
 } unicodeStyleFormat;
 
-const unicodeStyleFormat unicode_style = {
+static const unicodeStyleFormat unicode_style = {
 	{
 		{
 			/* ─ */

src/include/fe_utils/mbprint.h

@@ -0,0 +1,29 @@
+/*-------------------------------------------------------------------------
+ *
+ * Multibyte character printing support for frontend code
+ *
+ *
+ * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/fe_utils/mbprint.h
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef MBPRINT_H
+#define MBPRINT_H
+
+struct lineptr
+{
+	unsigned char *ptr;
+	int			width;
+};
+
+extern unsigned char *mbvalidate(unsigned char *pwcs, int encoding);
+extern int	pg_wcswidth(const char *pwcs, size_t len, int encoding);
+extern void pg_wcsformat(const unsigned char *pwcs, size_t len, int encoding,
+			 struct lineptr * lines, int count);
+extern void pg_wcssize(const unsigned char *pwcs, size_t len, int encoding,
+		   int *width, int *height, int *format_size);
+
+#endif   /* MBPRINT_H */

src/include/fe_utils/print.h

@@ -1,9 +1,14 @@
-/*
- * psql - the PostgreSQL interactive terminal
+/*-------------------------------------------------------------------------
  *
- * Copyright (c) 2000-2016, PostgreSQL Global Development Group
+ * Query-result printing support for frontend code
  *
- * src/bin/psql/print.h
+ *
+ * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
+ * Portions Copyright (c) 1994, Regents of the University of California
+ *
+ * src/include/fe_utils/print.h
+ *
+ *-------------------------------------------------------------------------
  */
 #ifndef PRINT_H
 #define PRINT_H
@@ -11,6 +16,13 @@
 #include "libpq-fe.h"
 
 
+/* This is not a particularly great place for this ... */
+#ifndef __CYGWIN__
+#define DEFAULT_PAGER "more"
+#else
+#define DEFAULT_PAGER "less"
+#endif
+
 enum printFormat
 {
 	PRINT_NOTHING = 0,			/* to make sure someone initializes this */
@@ -161,6 +173,8 @@ typedef struct printQueryOpt
 } printQueryOpt;
 
 
+extern volatile bool cancel_pressed;
+
 extern const printTextFormat pg_asciiformat;
 extern const printTextFormat pg_asciiformat_old;
 extern printTextFormat pg_utf8format;	/* ideally would be const, but... */
@@ -196,10 +210,4 @@ extern void setDecimalLocale(void);
 extern const printTextFormat *get_line_style(const printTableOpt *opt);
 extern void refresh_utf8format(const printTableOpt *opt);
 
-#ifndef __CYGWIN__
-#define DEFAULT_PAGER "more"
-#else
-#define DEFAULT_PAGER "less"
-#endif
-
 #endif   /* PRINT_H */

src/tools/msvc/Mkvcbuild.pm

@@ -120,7 +120,7 @@ sub mkvcbuild
 	our @pgcommonbkndfiles = @pgcommonallfiles;
 
 	our @pgfeutilsfiles = qw(
-	  simple_list.c string_utils.c);
+	  mbprint.c print.c simple_list.c string_utils.c);
 
 	$libpgport = $solution->AddProject('libpgport', 'lib', 'misc');
 	$libpgport->AddDefine('FRONTEND');
@@ -622,17 +622,12 @@ sub mkvcbuild
 		foreach my $f (@files)
 		{
 			$f =~ s/\.o$/\.c/;
-			if ($f =~ /print\.c$/)
-			{    # Also catches mbprint.c
-				$proj->AddFile('src/bin/psql/' . $f);
-			}
-			elsif ($f =~ /\.c$/)
+			if ($f =~ /\.c$/)
 			{
 				$proj->AddFile('src/bin/scripts/' . $f);
 			}
 		}
 		$proj->AddIncludeDir('src/interfaces/libpq');
-		$proj->AddIncludeDir('src/bin/psql');
 		$proj->AddReference($libpq, $libpgfeutils, $libpgcommon,
 				    $libpgport);
 		$proj->AddDirResourceFile('src/bin/scripts');