ncurses 5.9 - patch 20110925

[ncurses.git] / ncurses / tinfo / tinfo_driver.c

diff --git a/ncurses/tinfo/tinfo_driver.c b/ncurses/tinfo/tinfo_driver.c
index d45ef0b6d7a279d5975878a2a8c706551573b7f9..589df2e036a3beb788a5a026a784ced320921d97 100644 (file)
--- a/ncurses/tinfo/tinfo_driver.c
+++ b/ncurses/tinfo/tinfo_driver.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2008-2009,2010 Free Software Foundation, Inc.              *
+ * Copyright (c) 2008-2010,2011 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            *
@@ -50,7 +50,7 @@
 # endif
 #endif
 
-MODULE_ID("$Id: tinfo_driver.c,v 1.9 2010/04/10 16:11:17 tom Exp $")
+MODULE_ID("$Id: tinfo_driver.c,v 1.15 2011/08/13 16:11:15 tom Exp $")
 
 /*
  * SCO defines TIOCGSIZE and the corresponding struct.  Other systems (SunOS,
@@ -106,54 +106,6 @@ drv_doupdate(TERMINAL_CONTROL_BLOCK * TCB)
     return TINFO_DOUPDATE(TCB->csp);
 }
 
-#define ret_error(code, fmt, arg)      if (errret) {\
-                                           *errret = code;\
-                                           return(FALSE); \
-                                       } else {\
-                                           fprintf(stderr, fmt, arg);\
-                                           exit(EXIT_FAILURE);\
-                                       }
-
-#define ret_error0(code, msg)          if (errret) {\
-                                           *errret = code;\
-                                           return(FALSE);\
-                                       } else {\
-                                           fprintf(stderr, msg);\
-                                           exit(EXIT_FAILURE);\
-                                       }
-
-#if USE_DATABASE || USE_TERMCAP
-/*
- * Return 1 if entry found, 0 if not found, -1 if database not accessible,
- * just like tgetent().
- */
-static int
-grab_entry(const char *const tn, TERMTYPE *const tp)
-{
-    char filename[PATH_MAX];
-    int status = _nc_read_entry(tn, filename, tp);
-
-    /*
-     * If we have an entry, force all of the cancelled strings to null
-     * pointers so we don't have to test them in the rest of the library.
-     * (The terminfo compiler bypasses this logic, since it must know if
-     * a string is cancelled, for merging entries).
-     */
-    if (status == TGETENT_YES) {
-       unsigned n;
-       for_each_boolean(n, tp) {
-           if (!VALID_BOOLEAN(tp->Booleans[n]))
-               tp->Booleans[n] = FALSE;
-       }
-       for_each_string(n, tp) {
-           if (tp->Strings[n] == CANCELLED_STRING)
-               tp->Strings[n] = ABSENT_STRING;
-       }
-    }
-    return (status);
-}
-#endif
-
 static bool
 drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
 {
@@ -168,7 +120,7 @@ drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
     TCB->magic = TCBMAGIC;
 
 #if (USE_DATABASE || USE_TERMCAP)
-    status = grab_entry(tname, &termp->type);
+    status = _nc_setup_tinfo(tname, &termp->type);
 #else
     status = TGETENT_NO;
 #endif
@@ -188,7 +140,7 @@ drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
        if (status == TGETENT_ERR) {
            ret_error0(status, "terminals database is inaccessible\n");
        } else if (status == TGETENT_NO) {
-           ret_error(status, "'%s': unknown terminal type.\n", tname);
+           ret_error1(status, "unknown terminal type.\n", tname);
        }
     }
     result = TRUE;
@@ -201,10 +153,20 @@ drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
        _nc_tinfo_cmdch(termp, *command_character);
 
     if (generic_type) {
-       ret_error(TGETENT_NO, "'%s': I need something more specific.\n", tname);
+       /*
+        * BSD 4.3's termcap contains mis-typed "gn" for wy99.  Do a sanity
+        * check before giving up.
+        */
+       if ((VALID_STRING(cursor_address)
+            || (VALID_STRING(cursor_down) && VALID_STRING(cursor_home)))
+           && VALID_STRING(clear_screen)) {
+           ret_error1(TGETENT_YES, "terminal is not really generic.\n", tname);
+       } else {
+           ret_error1(TGETENT_NO, "I need something more specific.\n", tname);
+       }
     }
     if (hard_copy) {
-       ret_error(TGETENT_YES, "'%s': I can't handle hardcopy terminals.\n", tname);
+       ret_error1(TGETENT_YES, "I can't handle hardcopy terminals.\n", tname);
     }
 
     return result;
@@ -547,9 +509,9 @@ drv_mode(TERMINAL_CONTROL_BLOCK * TCB, bool progFlag, bool defFlag)
             */
            if ((drv_sgmode(TCB, FALSE, &(_term->Nttyb)) == OK)) {
 #ifdef TERMIOS
-               _term->Nttyb.c_oflag &= ~OFLAGS_TABS;
+               _term->Nttyb.c_oflag &= (unsigned) ~OFLAGS_TABS;
 #else
-               _term->Nttyb.sg_flags &= ~XTABS;
+               _term->Nttyb.sg_flags &= (unsigned) ~XTABS;
 #endif
                code = OK;
            }
@@ -1204,7 +1166,14 @@ drv_read(TERMINAL_CONTROL_BLOCK * TCB, int *buf)
     assert(buf);
     SetSP();
 
+# if USE_PTHREADS_EINTR
+    if ((pthread_self) && (pthread_kill) && (pthread_equal))
+       _nc_globals.read_thread = pthread_self();
+# endif
     n = read(sp->_ifd, &c2, 1);
+#if USE_PTHREADS_EINTR
+    _nc_globals.read_thread = 0;
+#endif
     *buf = (int) c2;
     return n;
 }