From 25f221b092e0e9d85aa5d3e6863043f2ab4d7c43 Mon Sep 17 00:00:00 2001
From: "Eric S. Raymond" <esr@thyrsus.com>
Date: Thu, 4 Nov 2004 21:33:11 +0000
Subject: [PATCH] Move I/O to a separate module -- first step towards curses
 interface.

---
 MAKEFILE.DOS |   4 +-
 MAKEFILE.OS2 |   2 +-
 makefile     |   2 +-
 sst.c        | 109 +--------------------------------------------------
 sst.h        |   3 ++
 5 files changed, 9 insertions(+), 111 deletions(-)

diff --git a/MAKEFILE.DOS b/MAKEFILE.DOS
index e7e4821..c263c0c 100644
--- a/MAKEFILE.DOS
+++ b/MAKEFILE.DOS
@@ -4,11 +4,11 @@ CFLAGS=-f87 -2 -m$(MODEL)
 .c.obj:; bcc $(CFLAGS) -c $*.c
 
 OBJS= sst.obj setup.obj reports.obj finish.obj moving.obj\
- battle.obj events.obj ai.obj planets.obj
+ battle.obj events.obj ai.obj planets.obj io.o
 
 sst.exe:	$(OBJS) sst.lnk
 	bcc @sst.lnk
 
 
 sst.lnk:	makefile
-	>sst.lnk $(CFLAGS) -M $(OBJS) noeh$(MODEL).lib
\ No newline at end of file
+	>sst.lnk $(CFLAGS) -M $(OBJS) noeh$(MODEL).lib
diff --git a/MAKEFILE.OS2 b/MAKEFILE.OS2
index 98678f0..a35865e 100644
--- a/MAKEFILE.OS2
+++ b/MAKEFILE.OS2
@@ -5,7 +5,7 @@ CFLAGS=     -O
 .c.o:
 	$(CC) $(CFLAGS) -c $<
 
-OFILES=     sst.o finish.o reports.o setup.o moving.o battle.o events.o ai.o planets.o
+OFILES=     sst.o finish.o reports.o setup.o moving.o battle.o events.o ai.o planets.o io.o
 
 HFILES=     sst.h
 
diff --git a/makefile b/makefile
index 592f4ef..f98e173 100644
--- a/makefile
+++ b/makefile
@@ -7,7 +7,7 @@ CFLAGS=     -O -g -DSSTDOC='"/usr/share/doc/sst/sst.doc"'
 .c.o:
 	$(CC) $(CFLAGS) -c $<
 
-CFILES= sst.c finish.c reports.c setup.c moving.c battle.c events.c ai.c planets.c
+CFILES= sst.c finish.c reports.c setup.c moving.c battle.c events.c ai.c planets.c io.c
 OFILES= $(CFILES:.c=.o)
 HFILES=sst.h
 DOCS = README sst-doc.xml sst.xml TODO
diff --git a/sst.c b/sst.c
index ee5bd3e..d35b255 100644
--- a/sst.c
+++ b/sst.c
@@ -1,21 +1,12 @@
 #define INCLUDED	// Define externs here
 #include "sst.h"
 #include <ctype.h>
-#include <stdarg.h>
-#ifdef MSDOS
-#include <dos.h>
-#endif
-#include <time.h>
 
 #ifndef SSTDOC
 #define SSTDOC	"sst.doc"
 #endif
 	
 static char line[128], *linep = line;
-static int linecount;	/* for paging */
-static int screenheight = 24;
-
-static void clearscreen(void);
 
 /* Compared to original version, I've changed the "help" command to
    "call" and the "terminate" command to "quit" to better match
@@ -356,12 +347,9 @@ int main(int argc, char **argv) {
 	int i;
 	int hitme;
 	char ch;
-	prelim();
-	char *LINES = getenv("LINES");
- 
-	if (LINES)
-	    screenheight = atoi(LINES);
 
+	prelim(); 
+	iostart();
 	line[0] = '\0';
 	if (argc > 1) {
 		while (--argc > 0) {
@@ -466,14 +454,12 @@ void iran10(int *i, int *j) {
 }
 
 void chew(void) {
-	linecount = 0;
 	linep = line;
 	*linep = 0;
 }
 
 void chew2(void) {
 	/* return IHEOL next time */
-	linecount = 0;
 	linep = line+1;
 	*linep = 0;
 }
@@ -482,8 +468,6 @@ int scan(void) {
 	int i;
 	char *cp;
 
-	linecount = 0;
-
 	// Init result
 	aaitem = 0.0;
 	*citem = 0;
@@ -541,95 +525,6 @@ int ja(void) {
 
 double square(double i) { return i*i; }
 									
-static void clearscreen(void) {
-	/* Somehow we need to clear the screen */
-#ifdef __BORLANDC__
-	extern void clrscr(void);
-	clrscr();
-#else
-	// proutn("\033[2J");	/* Hope for an ANSI display */
-	/* much more in that old-time TTY spirit to just throw linefeeds */
-	int i;
-	for (i = 0; i < screenheight; i++)
-	    putchar('\n');
-#endif
-}
-
-/* We will pull these out in case we want to do something special later */
-
-void pause(int i) {
-	char buf[BUFSIZ];
-	putchar('\n');
-	if (i==1) {
-		if (skill > 2)
-			prout("[ANOUNCEMENT ARRIVING...]");
-		else
-			prout("[IMPORTANT ANNOUNCEMENT ARRIVING -- PRESS ENTER TO CONTINUE]");
-	}
-	else {
-	    	if (skill > 2)
-	    		proutn("[CONTINUE?]");
-	    	else
-			proutn("[PRESS ENTER TO CONTINUE]");
-
-	}
-	fgets(buf, sizeof(buf), stdin);
-	if (i != 0) {
-		clearscreen();
-	}
-	linecount = 0;
-}
-
-
-void skip(int i) {
-	while (i-- > 0) {
-		linecount++;
-		if (linecount >= screenheight)
-			pause(0);
-		else
-			putchar('\n');
-	}
-}
-
-
-void proutn(char *fmt, ...) {
-    va_list ap;
-    va_start(ap, fmt);
-    vprintf(fmt, ap);
-    va_end(ap);
-}
-
-void prout(char *fmt, ...) {
-    va_list ap;
-    va_start(ap, fmt);
-    vprintf(fmt, ap);
-    va_end(ap);
-    skip(1);
-}
-
-void proutc(char *line) {
-    line[strlen(line)-1] = '\0';
-    fputs(line, stdout);
-    skip(1);
-}
-
-void prouts(char *fmt, ...) {
-	clock_t endTime;
-	char *s, buf[BUFSIZ];
-	/* print slowly! */
-	va_list ap;
-	va_start(ap, fmt);
-	vsprintf(buf, fmt, ap);
-	va_end(ap);
-	skip(1);
-	for (s = buf; *s; s++) {
-		endTime = clock() + CLOCKS_PER_SEC*0.05;
-		while (clock() < endTime) ;
-		putchar(*s);
-		fflush(stdout);
-	}
-}
-
 void huh(void) {
 	chew();
 	skip(1);
diff --git a/sst.h b/sst.h
index 0966319..fc7ecc5 100644
--- a/sst.h
+++ b/sst.h
@@ -420,3 +420,6 @@ void debugme(void);
 void attakreport(void);
 void movetho(void);
 void probe(void);
+void clearscreen(void);
+void iostart(void);
+
-- 
2.31.1