From: Adam Dickmeiss <adam@indexdata.dk>
Date: Mon, 17 Apr 1995 09:36:32 +0000 (+0000)
Subject: ttyemit moved from kernel directory.
X-Git-Url: http://lists.indexdata.dk/cgi-bin?a=commitdiff_plain;h=498946306c461b20d24308aae074bf43f6050698;p=egate.git

ttyemit moved from kernel directory.
---

diff --git a/util/Makefile b/util/Makefile
index 86e6637..fb69be6 100644
--- a/util/Makefile
+++ b/util/Makefile
@@ -2,7 +2,10 @@
 # Europagate, 1995
 #
 # $Log: Makefile,v $
-# Revision 1.13  1995/03/29 11:44:29  adam
+# Revision 1.14  1995/04/17 09:36:32  adam
+# ttyemit moved from kernel directory.
+#
+# Revision 1.13  1995/03/29  11:44:29  adam
 # New functions: iso2709_a_.. for record manipulation.
 #
 # Revision 1.12  1995/03/28  16:07:06  adam
@@ -48,7 +51,7 @@ TPROG1=iso2709dump
 TPROG2=gwdbtest
 LIB=../lib/util.a
 PO=iso2709.o iso27dis.o iso2709o.o iso2709a.o strqueue.o \
- gw-db.o gip.o gips.o gipc.o
+ gw-db.o gip.o gips.o gipc.o ttyemit.o
 CPP=$(CC) -E
 DEFS=$(INCLUDE) -DSTUPID_ISO_DBC=1
 
@@ -74,14 +77,14 @@ clean:
 depend: depend2
 
 depend1:
-	mv Makefile Makefile.tmp
-	sed '/^#Depend/q' <Makefile.tmp >Makefile
-	$(CPP) $(INCLUDE) -M *.c >>Makefile
-	-rm Makefile.tmp
+	sed '/^#Depend/q' <Makefile >Makefile.tmp
+	$(CPP) $(DEFS) -M *.c >>Makefile.tmp
+	mv -f Makefile.tmp Makefile
 
 depend2:
-	$(CPP) $(INCLUDE) -M *.c >.depend	
+	$(CPP) $(DEFS) -M *.c >.depend	
 
+#GNU make style depend
 ifeq (.depend,$(wildcard .depend))
 include .depend
 endif
diff --git a/util/ttyemit.c b/util/ttyemit.c
new file mode 100644
index 0000000..26b76a6
--- /dev/null
+++ b/util/ttyemit.c
@@ -0,0 +1,120 @@
+/* Gateway tty print utility
+ * Europagate, 1995
+ *
+ * $Log: ttyemit.c,v $
+ * Revision 1.1  1995/04/17 09:36:34  adam
+ * ttyemit moved from kernel directory.
+ *
+ *
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+
+#include <ttyemit.h>
+
+static char line_buf[256];
+static int  line_col = 0;
+static int  esc_flag = 0;
+
+static int  line_min = 30;
+static int  line_max = 76;
+static FILE *out_f = stdout;
+
+void tty_init (FILE *out, int min, int max)
+{
+    out_f = out;
+    if (min > 0)
+        line_min = min;
+    if (max > 2)
+        line_max = max;
+    line_col = 0;
+    esc_flag = 0;
+}
+
+static void flush (void)
+{
+    int j;
+
+    for (j = 0; j<line_col; j++)
+        putc (line_buf[j], out_f);
+    putc ('\n', out_f);
+    line_col = 0;
+}
+
+static void split (int ch)
+{
+    int i = line_col, j;
+
+    while (1)
+        if (line_buf[--i] == ' ')
+        {
+            int extra = 0;
+
+            for (j = 0; j<i; j++)
+            {
+#if 1
+                if (j>1 && line_buf[j] >= 'A'&& line_buf[j] <= 'Z'
+                     && line_buf[j-1] == ' '
+                     && (line_buf[j-2] == '.' || line_buf[j-2] == ';')
+                     && extra < line_max-i )
+                {
+                    extra++;
+                    putc (' ', out_f);
+                }
+#endif
+                putc (line_buf[j], out_f);
+            }
+            putc ('\n', out_f);
+            j = 0;
+            ++i;
+            while (i < line_col)
+                line_buf[j++] = line_buf[i++];
+            line_col = j;
+            break;
+        }
+        else if (i < line_min)
+            flush ();
+}
+
+static void escape (int ch)
+{
+    switch (ch)
+    {
+    case 'n':
+	if (line_col >= line_max)
+	    split (' ');
+	else
+            flush ();
+        break;
+    case 't':
+        do
+            line_buf[line_col++] = ' ';
+        while (line_col & 7);
+        break;
+    case 's':
+        line_buf[line_col++] = ' ';
+        break;
+    default:
+        line_buf[line_col++] = ch;
+    }
+}
+
+void tty_emit (int ch)
+{
+    if (esc_flag)
+    {
+        escape (ch);
+        esc_flag = 0;
+    }
+    else if (ch == '\\')
+        esc_flag = 1;
+    else if (ch == '\n')
+        flush ();
+    else if (line_col || ch != ' ')
+    {
+        line_buf[line_col++] = ch;
+        if (line_col >= line_max)
+            split (ch);
+    }
+}