ncurses 5.9 - patch 20130824
[ncurses.git] / ncurses / tinfo / tinfo_driver.c
index 9fa5b4ed734a41fc729ae5ff5ed953f9c40e1658..84611c83b46be3440dae795af3a178a2b8e8fc7f 100644 (file)
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 2008-2009,2010 Free Software Foundation, Inc.              *
+ * Copyright (c) 2008-2012,2013 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 1.12 2010/07/31 22:16:38 tom Exp $")
+MODULE_ID("$Id: tinfo_driver.c,v 1.30 2013/05/25 20:16:46 tom Exp $")
 
 /*
  * SCO defines TIOCGSIZE and the corresponding struct.  Other systems (SunOS,
@@ -93,7 +93,7 @@ NCURSES_EXPORT_VAR(int) COLORS = 0;
 
 #define TCBMAGIC NCDRV_MAGIC(NCDRV_TINFO)
 #define AssertTCB() assert(TCB!=0 && TCB->magic==TCBMAGIC)
-#define SetSP() assert(TCB->csp!=0); sp = TCB->csp
+#define SetSP() assert(TCB->csp!=0); sp = TCB->csp; (void) sp
 
 /*
  * This routine needs to do all the work to make curscr look
@@ -106,22 +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);\
-                                       }
-
 static bool
 drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
 {
@@ -135,7 +119,7 @@ drv_CanHandle(TERMINAL_CONTROL_BLOCK * TCB, const char *tname, int *errret)
     sp = TCB->csp;
     TCB->magic = TCBMAGIC;
 
-#if (USE_DATABASE || USE_TERMCAP)
+#if (NCURSES_USE_DATABASE || NCURSES_USE_TERMCAP)
     status = _nc_setup_tinfo(tname, &termp->type);
 #else
     status = TGETENT_NO;
@@ -156,12 +140,12 @@ 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;
 #if !USE_REENTRANT
-    strncpy(ttytype, termp->type.term_names, NAMESIZE - 1);
+    strncpy(ttytype, termp->type.term_names, (size_t) NAMESIZE - 1);
     ttytype[NAMESIZE - 1] = '\0';
 #endif
 
@@ -169,17 +153,27 @@ 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;
 }
 
 static int
-drv_dobeepflash(TERMINAL_CONTROL_BLOCK * TCB, bool beepFlag)
+drv_dobeepflash(TERMINAL_CONTROL_BLOCK * TCB, int beepFlag)
 {
     SCREEN *sp;
     int res = ERR;
@@ -190,22 +184,18 @@ drv_dobeepflash(TERMINAL_CONTROL_BLOCK * TCB, bool beepFlag)
     /* FIXME: should make sure that we are not in altchar mode */
     if (beepFlag) {
        if (bell) {
-           res = NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "bell", bell);
+           res = NCURSES_PUTP2("bell", bell);
            NCURSES_SP_NAME(_nc_flush) (sp);
        } else if (flash_screen) {
-           res = NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
-                                            "flash_screen",
-                                            flash_screen);
+           res = NCURSES_PUTP2("flash_screen", flash_screen);
            NCURSES_SP_NAME(_nc_flush) (sp);
        }
     } else {
        if (flash_screen) {
-           res = NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
-                                            "flash_screen",
-                                            flash_screen);
+           res = NCURSES_PUTP2("flash_screen", flash_screen);
            NCURSES_SP_NAME(_nc_flush) (sp);
        } else if (bell) {
-           res = NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "bell", bell);
+           res = NCURSES_PUTP2("bell", bell);
            NCURSES_SP_NAME(_nc_flush) (sp);
        }
     }
@@ -277,7 +267,7 @@ drv_defaultcolors(TERMINAL_CONTROL_BLOCK * TCB, int fg, int bg)
 
 static void
 drv_setcolor(TERMINAL_CONTROL_BLOCK * TCB,
-            bool fore,
+            int fore,
             int color,
             NCURSES_SP_OUTC outc)
 {
@@ -321,7 +311,7 @@ drv_rescol(TERMINAL_CONTROL_BLOCK * TCB)
     SetSP();
 
     if (orig_pair != 0) {
-       NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "orig_pair", orig_pair);
+       NCURSES_PUTP2("orig_pair", orig_pair);
        result = TRUE;
     }
     return result;
@@ -337,7 +327,7 @@ drv_rescolors(TERMINAL_CONTROL_BLOCK * TCB)
     SetSP();
 
     if (orig_colors != 0) {
-       NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "orig_colors", orig_colors);
+       NCURSES_PUTP2("orig_colors", orig_colors);
        result = TRUE;
     }
     return result;
@@ -348,14 +338,18 @@ drv_size(TERMINAL_CONTROL_BLOCK * TCB, int *linep, int *colp)
 {
     SCREEN *sp;
     bool useEnv = TRUE;
+    bool useTioctl = TRUE;
 
     AssertTCB();
     sp = TCB->csp;             /* can be null here */
 
     if (sp) {
        useEnv = sp->_use_env;
-    } else
+       useTioctl = sp->_use_tioctl;
+    } else {
        useEnv = _nc_prescreen.use_env;
+       useTioctl = _nc_prescreen.use_tioctl;
+    }
 
     /* figure out the size of the screen */
     T(("screen size: terminfo lines = %d columns = %d", lines, columns));
@@ -363,7 +357,7 @@ drv_size(TERMINAL_CONTROL_BLOCK * TCB, int *linep, int *colp)
     *linep = (int) lines;
     *colp = (int) columns;
 
-    if (useEnv) {
+    if (useEnv || useTioctl) {
        int value;
 
 #ifdef __EMX__
@@ -371,7 +365,9 @@ drv_size(TERMINAL_CONTROL_BLOCK * TCB, int *linep, int *colp)
            int screendata[2];
            _scrsize(screendata);
            *colp = screendata[0];
-           *linep = screendata[1];
+           *linep = ((sp != 0 && sp->_filtered)
+                     ? 1
+                     : screendata[1]);
            T(("EMX screen size: environment LINES = %d COLUMNS = %d",
               *linep, *colp));
        }
@@ -400,19 +396,33 @@ drv_size(TERMINAL_CONTROL_BLOCK * TCB, int *linep, int *colp)
        }
 #endif /* HAVE_SIZECHANGE */
 
-       /*
-        * Finally, look for environment variables.
-        *
-        * Solaris lets users override either dimension with an environment
-        * variable.
-        */
-       if ((value = _nc_getenv_num("LINES")) > 0) {
-           *linep = value;
-           T(("screen size: environment LINES = %d", *linep));
-       }
-       if ((value = _nc_getenv_num("COLUMNS")) > 0) {
-           *colp = value;
-           T(("screen size: environment COLUMNS = %d", *colp));
+       if (useEnv) {
+           if (useTioctl) {
+               /*
+                * If environment variables are used, update them.
+                */
+               if ((sp == 0 || !sp->_filtered) && _nc_getenv_num("LINES") > 0) {
+                   _nc_setenv_num("LINES", *linep);
+               }
+               if (_nc_getenv_num("COLUMNS") > 0) {
+                   _nc_setenv_num("COLUMNS", *colp);
+               }
+           }
+
+           /*
+            * Finally, look for environment variables.
+            *
+            * Solaris lets users override either dimension with an environment
+            * variable.
+            */
+           if ((value = _nc_getenv_num("LINES")) > 0) {
+               *linep = value;
+               T(("screen size: environment LINES = %d", *linep));
+           }
+           if ((value = _nc_getenv_num("COLUMNS")) > 0) {
+               *colp = value;
+               T(("screen size: environment COLUMNS = %d", *colp));
+           }
        }
 
        /* if we can't get dynamic info about the size, use static */
@@ -463,7 +473,7 @@ drv_setsize(TERMINAL_CONTROL_BLOCK * TCB, int l, int c)
 }
 
 static int
-drv_sgmode(TERMINAL_CONTROL_BLOCK * TCB, bool setFlag, TTY * buf)
+drv_sgmode(TERMINAL_CONTROL_BLOCK * TCB, int setFlag, TTY * buf)
 {
     SCREEN *sp = TCB->csp;
     TERMINAL *_term = (TERMINAL *) TCB;
@@ -497,7 +507,7 @@ drv_sgmode(TERMINAL_CONTROL_BLOCK * TCB, bool setFlag, TTY * buf)
 }
 
 static int
-drv_mode(TERMINAL_CONTROL_BLOCK * TCB, bool progFlag, bool defFlag)
+drv_mode(TERMINAL_CONTROL_BLOCK * TCB, int progFlag, int defFlag)
 {
     SCREEN *sp;
     TERMINAL *_term = (TERMINAL *) TCB;
@@ -515,9 +525,9 @@ 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;
            }
@@ -620,15 +630,13 @@ drv_screen_init(SCREEN *sp)
 static void
 drv_init(TERMINAL_CONTROL_BLOCK * TCB)
 {
-    SCREEN *sp;
     TERMINAL *trm;
 
     AssertTCB();
 
     trm = (TERMINAL *) TCB;
-    sp = TCB->csp;
 
-    TCB->info.initcolor = initialize_color;
+    TCB->info.initcolor = VALID_STRING(initialize_color);
     TCB->info.canchange = can_change;
     TCB->info.hascolor = ((VALID_NUMERIC(max_colors) && VALID_NUMERIC(max_pairs)
                           && (((set_foreground != NULL)
@@ -665,7 +673,7 @@ drv_init(TERMINAL_CONTROL_BLOCK * TCB)
 #define InPalette(n)   ((n) >= 0 && (n) < MAX_PALETTE)
 
 static void
-drv_initpair(TERMINAL_CONTROL_BLOCK * TCB, short pair, short f, short b)
+drv_initpair(TERMINAL_CONTROL_BLOCK * TCB, int pair, int f, int b)
 {
     SCREEN *sp;
 
@@ -681,12 +689,11 @@ drv_initpair(TERMINAL_CONTROL_BLOCK * TCB, short pair, short f, short b)
            tp[f].red, tp[f].green, tp[f].blue,
            tp[b].red, tp[b].green, tp[b].blue));
 
-       NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
-                                  "initialize_pair",
-                                  TPARM_7(initialize_pair,
-                                          pair,
-                                          tp[f].red, tp[f].green, tp[f].blue,
-                                          tp[b].red, tp[b].green, tp[b].blue));
+       NCURSES_PUTP2("initialize_pair",
+                     TPARM_7(initialize_pair,
+                             pair,
+                             tp[f].red, tp[f].green, tp[f].blue,
+                             tp[b].red, tp[b].green, tp[b].blue));
     }
 }
 
@@ -712,23 +719,22 @@ default_bg(SCREEN *sp)
 
 static void
 drv_initcolor(TERMINAL_CONTROL_BLOCK * TCB,
-             short color, short r, short g, short b)
+             int color, int r, int g, int b)
 {
     SCREEN *sp = TCB->csp;
 
     AssertTCB();
     if (initialize_color != NULL) {
-       NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
-                                  "initialize_color",
-                                  TPARM_4(initialize_color, color, r, g, b));
+       NCURSES_PUTP2("initialize_color",
+                     TPARM_4(initialize_color, color, r, g, b));
     }
 }
 
 static void
 drv_do_color(TERMINAL_CONTROL_BLOCK * TCB,
-            short old_pair,
-            short pair,
-            bool reverse,
+            int old_pair,
+            int pair,
+            int reverse,
             NCURSES_SP_OUTC outc)
 {
     SCREEN *sp = TCB->csp;
@@ -759,7 +765,7 @@ drv_do_color(TERMINAL_CONTROL_BLOCK * TCB,
     if (old_pair >= 0
        && sp != 0
        && NCURSES_SP_NAME(pair_content) (NCURSES_SP_ARGx
-                                         old_pair,
+                                         (short) old_pair,
                                          &old_fg,
                                          &old_bg) !=ERR) {
        if ((isDefaultColor(fg) && !isDefaultColor(old_fg))
@@ -845,7 +851,9 @@ drv_initmouse(TERMINAL_CONTROL_BLOCK * TCB)
 }
 
 static int
-drv_testmouse(TERMINAL_CONTROL_BLOCK * TCB, int delay)
+drv_testmouse(TERMINAL_CONTROL_BLOCK * TCB,
+             int delay
+             EVENTLIST_2nd(_nc_eventlist * evl))
 {
     int rc = 0;
     SCREEN *sp;
@@ -882,7 +890,7 @@ drv_mvcur(TERMINAL_CONTROL_BLOCK * TCB, int yold, int xold, int ynew, int xnew)
 {
     SCREEN *sp = TCB->csp;
     AssertTCB();
-    return TINFO_MVCUR(sp, yold, xold, ynew, xnew);
+    return NCURSES_SP_NAME(_nc_mvcur) (sp, yold, xold, ynew, xnew);
 }
 
 static void
@@ -892,22 +900,21 @@ drv_hwlabel(TERMINAL_CONTROL_BLOCK * TCB, int labnum, char *text)
 
     AssertTCB();
     if (labnum > 0 && labnum <= num_labels) {
-       NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx
-                                  "plab_norm",
-                                  TPARM_2(plab_norm, labnum, text));
+       NCURSES_PUTP2("plab_norm",
+                     TPARM_2(plab_norm, labnum, text));
     }
 }
 
 static void
-drv_hwlabelOnOff(TERMINAL_CONTROL_BLOCK * TCB, bool OnFlag)
+drv_hwlabelOnOff(TERMINAL_CONTROL_BLOCK * TCB, int OnFlag)
 {
     SCREEN *sp = TCB->csp;
 
     AssertTCB();
     if (OnFlag) {
-       NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "label_on", label_on);
+       NCURSES_PUTP2("label_on", label_on);
     } else {
-       NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "label_off", label_off);
+       NCURSES_PUTP2("label_off", label_off);
     }
 }
 
@@ -972,7 +979,7 @@ drv_initacs(TERMINAL_CONTROL_BLOCK * TCB, chtype *real_map, chtype *fake_map)
     AssertTCB();
     assert(sp != 0);
     if (ena_acs != NULL) {
-       NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx "ena_acs", ena_acs);
+       NCURSES_PUTP2("ena_acs", ena_acs);
     }
 #if NCURSES_EXT_FUNCS
     /*
@@ -1176,7 +1183,7 @@ drv_read(TERMINAL_CONTROL_BLOCK * TCB, int *buf)
     if ((pthread_self) && (pthread_kill) && (pthread_equal))
        _nc_globals.read_thread = pthread_self();
 # endif
-    n = read(sp->_ifd, &c2, 1);
+    n = read(sp->_ifd, &c2, (size_t) 1);
 #if USE_PTHREADS_EINTR
     _nc_globals.read_thread = 0;
 #endif
@@ -1209,7 +1216,7 @@ __nc_putp(SCREEN *sp, const char *name GCC_UNUSED, const char *value)
     int rc = ERR;
 
     if (value) {
-       rc = NCURSES_SP_NAME(_nc_putp) (NCURSES_SP_ARGx name, value);
+       rc = NCURSES_PUTP2(name, value);
     }
     return rc;
 }
@@ -1225,7 +1232,7 @@ __nc_putp_flush(SCREEN *sp, const char *name, const char *value)
 }
 
 static int
-drv_kpad(TERMINAL_CONTROL_BLOCK * TCB, bool flag)
+drv_kpad(TERMINAL_CONTROL_BLOCK * TCB, int flag)
 {
     int ret = ERR;
     SCREEN *sp;
@@ -1251,7 +1258,7 @@ drv_kpad(TERMINAL_CONTROL_BLOCK * TCB, bool flag)
 }
 
 static int
-drv_keyok(TERMINAL_CONTROL_BLOCK * TCB, int c, bool flag)
+drv_keyok(TERMINAL_CONTROL_BLOCK * TCB, int c, int flag)
 {
     SCREEN *sp;
     int code = ERR;
@@ -1264,7 +1271,8 @@ drv_keyok(TERMINAL_CONTROL_BLOCK * TCB, int c, bool flag)
     if (c >= 0) {
        unsigned ch = (unsigned) c;
        if (flag) {
-           while ((s = _nc_expand_try(sp->_key_ok, ch, &count, 0)) != 0
+           while ((s = _nc_expand_try(sp->_key_ok,
+                                      ch, &count, (size_t) 0)) != 0
                   && _nc_remove_key(&(sp->_key_ok), ch)) {
                code = _nc_add_to_try(&(sp->_keytry), s, ch);
                free(s);
@@ -1273,7 +1281,8 @@ drv_keyok(TERMINAL_CONTROL_BLOCK * TCB, int c, bool flag)
                    break;
            }
        } else {
-           while ((s = _nc_expand_try(sp->_keytry, ch, &count, 0)) != 0
+           while ((s = _nc_expand_try(sp->_keytry,
+                                      ch, &count, (size_t) 0)) != 0
                   && _nc_remove_key(&(sp->_keytry), ch)) {
                code = _nc_add_to_try(&(sp->_key_ok), s, ch);
                free(s);