ncurses 6.0 - patch 20170318

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

diff --git a/ncurses/tinfo/lib_setup.c b/ncurses/tinfo/lib_setup.c
index 0a0a1f5badb50acade9f406776c5a5708c82509b..8446c8030d34b5b09518b9c3603c67fabd6ebc65 100644 (file)
--- a/ncurses/tinfo/lib_setup.c
+++ b/ncurses/tinfo/lib_setup.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2014,2015 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2016,2017 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            *
@@ -48,7 +48,7 @@
 #include <locale.h>
 #endif
 
-MODULE_ID("$Id: lib_setup.c,v 1.164 2015/06/27 18:10:55 tom Exp $")
+MODULE_ID("$Id: lib_setup.c,v 1.170 2017/01/07 16:50:16 tom Exp $")
 
 /****************************************************************************
  *
@@ -220,9 +220,9 @@ _nc_handle_sigwinch(SCREEN *sp)
 NCURSES_EXPORT(void)
 NCURSES_SP_NAME(use_env) (NCURSES_SP_DCLx bool f)
 {
+    START_TRACE();
     T((T_CALLED("use_env(%p,%d)"), (void *) SP_PARM, (int) f));
 #if NCURSES_SP_FUNCS
-    START_TRACE();
     if (IsPreScreen(SP_PARM)) {
        SP_PARM->_use_env = f;
     }
@@ -235,11 +235,11 @@ NCURSES_SP_NAME(use_env) (NCURSES_SP_DCLx bool f)
 NCURSES_EXPORT(void)
 NCURSES_SP_NAME(use_tioctl) (NCURSES_SP_DCLx bool f)
 {
+    START_TRACE();
     T((T_CALLED("use_tioctl(%p,%d)"), (void *) SP_PARM, (int) f));
 #if NCURSES_SP_FUNCS
-    START_TRACE();
     if (IsPreScreen(SP_PARM)) {
-       SP_PARM->_use_tioctl = f;
+       SP_PARM->use_tioctl = f;
     }
 #else
     _nc_prescreen.use_tioctl = f;
@@ -251,8 +251,8 @@ NCURSES_SP_NAME(use_tioctl) (NCURSES_SP_DCLx bool f)
 NCURSES_EXPORT(void)
 use_env(bool f)
 {
-    T((T_CALLED("use_env(%d)"), (int) f));
     START_TRACE();
+    T((T_CALLED("use_env(%d)"), (int) f));
     _nc_prescreen.use_env = f;
     returnVoid;
 }
@@ -260,8 +260,8 @@ use_env(bool f)
 NCURSES_EXPORT(void)
 use_tioctl(bool f)
 {
-    T((T_CALLED("use_tioctl(%d)"), (int) f));
     START_TRACE();
+    T((T_CALLED("use_tioctl(%d)"), (int) f));
     _nc_prescreen.use_tioctl = f;
     returnVoid;
 }
@@ -297,6 +297,8 @@ _nc_get_screensize(SCREEN *sp,
 #else /* !USE_TERM_DRIVER */
     TERMINAL *termp = cur_term;
     int my_tabsize;
+    bool useEnv = _nc_prescreen.use_env;
+    bool useTioctl = _nc_prescreen.use_tioctl;
 
     /* figure out the size of the screen */
     T(("screen size: terminfo lines = %d columns = %d", lines, columns));
@@ -304,9 +306,14 @@ _nc_get_screensize(SCREEN *sp,
     *linep = (int) lines;
     *colp = (int) columns;
 
-    if (_nc_prescreen.use_env || _nc_prescreen.use_tioctl) {
-       int value;
+#if NCURSES_SP_FUNCS
+    if (sp) {
+       useEnv = sp->_use_env;
+       useTioctl = sp->use_tioctl;
+    }
+#endif
 
+    if (useEnv || useTioctl) {
 #ifdef __EMX__
        {
            int screendata[2];
@@ -340,8 +347,10 @@ _nc_get_screensize(SCREEN *sp,
        }
 #endif /* HAVE_SIZECHANGE */
 
-       if (_nc_prescreen.use_env) {
-           if (_nc_prescreen.use_tioctl) {
+       if (useEnv) {
+           int value;
+
+           if (useTioctl) {
                /*
                 * If environment variables are used, update them.
                 */
@@ -494,8 +503,6 @@ _nc_setup_tinfo(const char *const tn, TERMTYPE *const tp)
 void
 _nc_tinfo_cmdch(TERMINAL * termp, int proto)
 {
-    unsigned i;
-    char CC;
     char *tmp;
 
     /*
@@ -504,7 +511,9 @@ _nc_tinfo_cmdch(TERMINAL * termp, int proto)
      * name as an environment variable - using the same symbol.
      */
     if ((tmp = getenv("CC")) != 0 && strlen(tmp) == 1) {
-       CC = *tmp;
+       unsigned i;
+       char CC = *tmp;
+
        for_each_string(i, &(termp->type)) {
            for (tmp = termp->type.Strings[i]; tmp && *tmp; tmp++) {
                if (UChar(*tmp) == proto)
@@ -610,8 +619,6 @@ TINFO_SETUP_TERM(TERMINAL ** tp,
 {
 #ifdef USE_TERM_DRIVER
     TERMINAL_CONTROL_BLOCK *TCB = 0;
-#else
-    int status;
 #endif
     TERMINAL *termp;
     SCREEN *sp = 0;
@@ -692,6 +699,8 @@ TINFO_SETUP_TERM(TERMINAL ** tp,
        my_tcb = typeCalloc(TERMINAL_CONTROL_BLOCK, 1);
        termp = &(my_tcb->term);
 #else
+       int status;
+
        termp = typeCalloc(TERMINAL, 1);
 #endif
        if (termp == 0) {
@@ -735,8 +744,9 @@ TINFO_SETUP_TERM(TERMINAL ** tp,
            }
        }
 #if !USE_REENTRANT
-       strncpy(ttytype, termp->type.term_names, (size_t) (NAMESIZE - 1));
-       ttytype[NAMESIZE - 1] = '\0';
+#define MY_SIZE (size_t) (NAMESIZE - 1)
+       _nc_STRNCPY(ttytype, termp->type.term_names, MY_SIZE);
+       ttytype[MY_SIZE] = '\0';
 #endif
 
        termp->Filedes = (short) Filedes;
@@ -808,29 +818,27 @@ TINFO_SETUP_TERM(TERMINAL ** tp,
 NCURSES_EXPORT(SCREEN *)
 new_prescr(void)
 {
-    static SCREEN *sp;
+    SCREEN *sp;
 
     START_TRACE();
     T((T_CALLED("new_prescr()")));
 
-    if (sp == 0) {
-       sp = _nc_alloc_screen_sp();
-       if (sp != 0) {
-           sp->rsp = sp->rippedoff;
-           sp->_filtered = _nc_prescreen.filter_mode;
-           sp->_use_env = _nc_prescreen.use_env;
+    sp = _nc_alloc_screen_sp();
+    if (sp != 0) {
+       sp->rsp = sp->rippedoff;
+       sp->_filtered = _nc_prescreen.filter_mode;
+       sp->_use_env = _nc_prescreen.use_env;
 #if NCURSES_NO_PADDING
-           sp->_no_padding = _nc_prescreen._no_padding;
+       sp->_no_padding = _nc_prescreen._no_padding;
 #endif
-           sp->slk_format = 0;
-           sp->_slk = 0;
-           sp->_prescreen = TRUE;
-           SP_PRE_INIT(sp);
+       sp->slk_format = 0;
+       sp->_slk = 0;
+       sp->_prescreen = TRUE;
+       SP_PRE_INIT(sp);
 #if USE_REENTRANT
-           sp->_TABSIZE = _nc_prescreen._TABSIZE;
-           sp->_ESCDELAY = _nc_prescreen._ESCDELAY;
+       sp->_TABSIZE = _nc_prescreen._TABSIZE;
+       sp->_ESCDELAY = _nc_prescreen._ESCDELAY;
 #endif
-       }
     }
     returnSP(sp);
 }