X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fset.q;h=8d9afd61cf455776a12992a7ae2327d9d96e6cc2;hb=bc2466a1677cc97a837a75439b3d4c3b49a8125a;hp=e9f3ddedee4965517acdd222a42e1ae82a976d2c;hpb=74a57f26f1458b28a0fddbb9f46004ac8f4d9c30;p=pspp-builds.git

diff --git a/src/set.q b/src/set.q
index e9f3dded..8d9afd61 100644
--- a/src/set.q
+++ b/src/set.q
@@ -60,7 +60,7 @@
    
 #include <config.h>
 #include "settings.h"
-#include <assert.h>
+#include "error.h"
 #include <stdio.h>
 #include <errno.h>
 #include <stdlib.h>
@@ -985,11 +985,8 @@ set_viewport(int sig_num UNUSED)
   static char term_buffer[16384];
 #endif
 
-  /* Workable defaults before we determine the real terminal size. */
-  set_viewwidth = 79;
-  set_viewlength = 24;
-
-
+  set_viewwidth = -1;
+  set_viewlength = -1;
 
 #if __DJGPP__ || __BORLANDC__
   {
@@ -1007,7 +1004,7 @@ set_viewport(int sig_num UNUSED)
     /* This code stolen from termcap.info, though modified. */
     termtype = getenv ("TERM");
     if (!termtype)
-      msg (FE, _("Specify a terminal type with `setenv TERM <yourtype>'."));
+      msg (FE, _("Specify a terminal type with the TERM environment variable."));
 
     success = tgetent (term_buffer, termtype);
     if (success <= 0)
@@ -1019,22 +1016,36 @@ set_viewport(int sig_num UNUSED)
       }
     else
       {
-	set_viewlength = tgetnum ("li");
-	set_viewwidth = tgetnum ("co") - 1;
+	/* NOTE: Do not rely upon tgetnum returning -1 if the value is 
+	   not available. It's supposed to do it, but not all platforms 
+	   do (eg Cygwin) .
+	*/
+        if ( -1 != tgetnum("li")) 
+	  set_viewlength = tgetnum ("li");
+
+        if ( -1 != tgetnum("co")) 
+	  set_viewwidth = tgetnum ("co") - 1;
       }
   }
-#else
-  {
-  char *s;
+#endif /* HAVE_LIBTERMCAP */
 
   /* Try the environment variables */
-  s = getenv("COLUMNS");
-  if ( s )  set_viewwidth = atoi(s);
+  if ( -1 ==  set_viewwidth ) 
+    { 
+      char *s = getenv("COLUMNS");
+      if ( s )  set_viewwidth = atoi(s);
+    }
 
-  s = getenv("LINES");
-  if ( s )  set_viewlength = atoi(s);
-  }
-#endif /* !HAVE_LIBTERMCAP */
+  if ( -1 ==  set_viewwidth ) 
+    {
+      char *s = getenv("LINES");
+      if ( s )  set_viewlength = atoi(s);
+    }
+
+
+  /* Last resort.  Use hard coded values */
+  if ( 0  >  set_viewwidth ) set_viewwidth = 79;
+  if ( 0  >  set_viewlength ) set_viewlength = 24;
 
 }
 
@@ -1323,6 +1334,56 @@ seed_is_set(unsigned long *seed)
 }
 
 
+static int global_algorithm = ENHANCED;
+static int cmd_algorithm = ENHANCED;
+static int *algorithm = &global_algorithm;
+
+static int syntax = ENHANCED;
+
+/* Set the algorithm option globally */
+void 
+set_algorithm(int x)
+{
+  global_algorithm = x;
+}
+
+/* Set the algorithm option for this command only */
+void 
+set_cmd_algorithm(int x)
+{
+  cmd_algorithm = x; 
+  algorithm = &cmd_algorithm;
+}
+
+/* Unset the algorithm option for this command */
+void
+unset_cmd_algorithm(void)
+{
+  algorithm = &global_algorithm;
+}
+
+/* Return the current algorithm setting */
+int
+get_algorithm(void)
+{
+  return *algorithm;
+}
+
+/* Set the syntax option */
+void 
+set_syntax(int x)
+{
+  syntax = x;
+}
+
+/* Get the current syntax setting */
+int
+get_syntax(void)
+{
+  return syntax;
+}
+
+
 /*
    Local Variables:
    mode: c