ncurses 5.9 - patch 20121229

[ncurses.git] / progs / dump_entry.c

diff --git a/progs/dump_entry.c b/progs/dump_entry.c
index 56610e9db2b0decc4488f96c4d4b3ce027cdbe97..99f3b2a83900520cbac17458e933863cda707210 100644 (file)
--- a/progs/dump_entry.c
+++ b/progs/dump_entry.c
@@ -39,7 +39,7 @@
 #include "termsort.c"          /* this C file is generated */
 #include <parametrized.h>      /* so is this */
 
-MODULE_ID("$Id: dump_entry.c,v 1.102 2012/12/15 18:25:56 tom Exp $")
+MODULE_ID("$Id: dump_entry.c,v 1.104 2012/12/30 00:51:13 tom Exp $")
 
 #define INDENT                 8
 #define DISCARD(string) string = ABSENT_STRING
@@ -873,11 +873,41 @@ fmt_entry(TERMTYPE *tterm,
            tp[0] = '\0';
 
            if (box_ok) {
+               char *tmp = _nc_tic_expand(boxchars,
+                                          (outform == F_TERMINFO),
+                                          numbers);
                _nc_STRCPY(buffer, "box1=", sizeof(buffer));
-               _nc_STRCAT(buffer,
-                          _nc_tic_expand(boxchars,
-                                         outform == F_TERMINFO, numbers),
-                          sizeof(buffer));
+               while (*tmp != '\0') {
+                   size_t have = strlen(buffer);
+                   size_t next = strlen(tmp);
+                   size_t want = have + next + 1;
+                   size_t last = next;
+                   char save = '\0';
+
+                   /*
+                    * If the expanded string is too long for the buffer,
+                    * chop it off and save the location where we chopped it.
+                    */
+                   if (want >= sizeof(buffer)) {
+                       save = tmp[last];
+                       tmp[last] = '\0';
+                   }
+                   _nc_STRCAT(buffer, tmp, sizeof(buffer));
+
+                   /*
+                    * If we chopped the buffer, replace the missing piece and
+                    * shift everything to append the remainder.
+                    */
+                   if (save != '\0') {
+                       next = 0;
+                       tmp[last] = save;
+                       while ((tmp[next] = tmp[last + next]) != '\0') {
+                           ++next;
+                       }
+                   } else {
+                       break;
+                   }
+               }
                WRAP_CONCAT;
            }
        }