ncurses 5.9 - patch 20120407

[ncurses.git] / progs / infocmp.c

diff --git a/progs/infocmp.c b/progs/infocmp.c
index 021d8011edebbfc99b503191ae8cfdad1ac4c9ae..2e6f67a8b6981e6648d2e36caf15f8925508d168 100644 (file)
--- a/progs/infocmp.c
+++ b/progs/infocmp.c
@@ -42,7 +42,7 @@
 
 #include <dump_entry.h>
 
-MODULE_ID("$Id: infocmp.c,v 1.112 2012/02/22 23:59:53 tom Exp $")
+MODULE_ID("$Id: infocmp.c,v 1.115 2012/04/07 19:12:01 tom Exp $")
 
 #define L_CURL "{"
 #define R_CURL "}"
@@ -333,6 +333,21 @@ dump_string(char *val, char *buf)
     }
 }
 
+/*
+ * ncurses stores two types of non-standard capabilities:
+ * a) capabilities listed past the "STOP-HERE" comment in the Caps file. 
+ *    These are used in the terminfo source file to provide data for termcaps,
+ *    e.g., when there is no equivalent capability in terminfo, as well as for
+ *    widely-used non-standard capabilities.
+ * b) user-definable capabilities, via "tic -x".
+ *
+ * However, if "-x" is omitted from the tic command, both types of
+ * non-standard capability are not loaded into the terminfo database.  This
+ * macro is used for limit-checks against the symbols that tic uses to omit
+ * the two types of non-standard entry.
+ */
+#define check_user_definable(n,limit) if (!_nc_user_definable && (n) > (limit)) break
+
 static void
 compare_predicate(PredType type, PredIdx idx, const char *name)
 /* predicate function to use for entry difference reports */
@@ -346,6 +361,7 @@ compare_predicate(PredType type, PredIdx idx, const char *name)
 
     switch (type) {
     case CMP_BOOLEAN:
+       check_user_definable(idx, BOOLWRITE);
        b1 = e1->tterm.Booleans[idx];
        b2 = e2->tterm.Booleans[idx];
        switch (compare) {
@@ -371,6 +387,7 @@ compare_predicate(PredType type, PredIdx idx, const char *name)
        break;
 
     case CMP_NUMBER:
+       check_user_definable(idx, NUMWRITE);
        n1 = e1->tterm.Numbers[idx];
        n2 = e2->tterm.Numbers[idx];
        dump_numeric(n1, buf1);
@@ -394,6 +411,7 @@ compare_predicate(PredType type, PredIdx idx, const char *name)
        break;
 
     case CMP_STRING:
+       check_user_definable(idx, STRWRITE);
        s1 = e1->tterm.Strings[idx];
        s2 = e2->tterm.Strings[idx];
        switch (compare) {
@@ -1089,9 +1107,10 @@ dump_initializers(TERMTYPE *term)
 
        if (VALID_STRING(term->Strings[n])) {
            tp = buf;
+#define TP_LIMIT       ((MAX_STRING - 5) - (size_t)(tp - buf))
            *tp++ = '"';
            for (sp = term->Strings[n];
-                *sp != 0 && (tp - buf) < MAX_STRING - 6;
+                *sp != 0 && TP_LIMIT > 2;
                 sp++) {
                if (isascii(UChar(*sp))
                    && isprint(UChar(*sp))
@@ -1099,7 +1118,7 @@ dump_initializers(TERMTYPE *term)
                    && *sp != '"')
                    *tp++ = *sp;
                else {
-                   _nc_SPRINTF(tp, _nc_SLIMIT(MAX_STRING) "\\%03o", UChar(*sp));
+                   _nc_SPRINTF(tp, _nc_SLIMIT(TP_LIMIT) "\\%03o", UChar(*sp));
                    tp += 4;
                }
            }