ncurses 5.9 - patch 20120608

[ncurses.git] / test / demo_termcap.c

diff --git a/test/demo_termcap.c b/test/demo_termcap.c
index 4289de0540e3cfba1a008300646cbc4bafad9992..b14454de0249eed9ec18f660b7975e26770a457a 100644 (file)
--- a/test/demo_termcap.c
+++ b/test/demo_termcap.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2005-2008,2009 Free Software Foundation, Inc.              *
+ * Copyright (c) 2005-2011,2012 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -29,7 +29,7 @@
 /*
  * Author: Thomas E. Dickey
  *
- * $Id: demo_termcap.c,v 1.12 2009/10/10 16:01:41 tom Exp $
+ * $Id: demo_termcap.c,v 1.17 2012/03/01 01:09:30 tom Exp $
  *
  * A simple demo of the termcap interface.
  */
@@ -55,6 +55,28 @@ static bool s_opt = FALSE;
 
 #define isCapName(c) (isgraph(c) && strchr("^#=:\\", c) == 0)
 
+#if NO_LEAKS && USE_CODE_LISTS
+
+#define MYSCR struct _myscr
+MYSCR {
+    MYSCR *next;
+    TERMINAL *term;
+};
+
+static MYSCR *my_screens;
+
+static void
+save_screen(void)
+{
+    MYSCR *obj = malloc(sizeof(MYSCR));
+    obj->next = my_screens;
+    obj->term = cur_term;
+    my_screens = obj;
+}
+#else
+#define save_screen()          /* nothing */
+#endif
+
 static void
 dumpit(NCURSES_CONST char *cap)
 {
@@ -125,7 +147,7 @@ dumpit(NCURSES_CONST char *cap)
     } else if ((num = tgetnum(cap)) >= 0) {
        printf(FNAME(num), cap);
        printf(" %d\n", num);
-    } else if ((num = tgetflag(cap)) > 0) {
+    } else if (tgetflag(cap) > 0) {
        printf(FNAME(flg), cap);
        printf("%s\n", "true");
     }
@@ -159,13 +181,18 @@ brute_force(const char *name)
 
 #if USE_CODE_LISTS
 static void
-demo_terminfo(NCURSES_CONST char *name)
+demo_termcap(NCURSES_CONST char *name)
 {
     unsigned n;
     NCURSES_CONST char *cap;
 
     printf("Terminal type \"%s\"\n", name);
+#if HAVE_SETUPTERM
     setupterm(name, 1, (int *) 0);
+#else
+    setterm(name);
+#endif
+    save_screen();
 
     if (b_opt) {
        for (n = 0;; ++n) {
@@ -200,7 +227,7 @@ usage(void)
 {
     static const char *msg[] =
     {
-       "Usage: demo_terminfo [options] [terminal]",
+       "Usage: demo_termcap [options] [terminal]",
        "",
        "If no options are given, print all (boolean, numeric, string)",
        "capabilities for the given terminal, using short names.",
@@ -281,17 +308,31 @@ main(int argc, char *argv[])
        for (repeat = 0; repeat < r_opt; ++repeat) {
            if (optind < argc) {
                for (n = optind; n < argc; ++n) {
-                   demo_terminfo(argv[n]);
+                   demo_termcap(argv[n]);
                }
            } else if ((name = getenv("TERM")) != 0) {
-               demo_terminfo(name);
+               demo_termcap(name);
            } else {
                static char dumb[] = "dumb";
-               demo_terminfo(dumb);
+               demo_termcap(dumb);
            }
        }
-    }
+#if NO_LEAKS
+       /*
+        * ncurses' tgetent() interface caches some entries and its no-leaks
+        * code discards those.  The calls to setupterm() on the other hand
+        * are not cached, and each call allocates a chunk of memory, even
+        * if the same terminal type is requested repeatedly.
+        */
+       while (my_screens != 0) {
+           MYSCR *next = my_screens->next;
+           del_curterm(my_screens->term);
+           free(my_screens);
+           my_screens = next;
+       }
 #endif
+    }
+#endif /* USE_CODE_LISTS */
 
     ExitProgram(EXIT_SUCCESS);
 }