ncurses 6.2 - patch 20200627

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

diff --git a/ncurses/tinfo/lib_termcap.c b/ncurses/tinfo/lib_termcap.c
index 6793ee508e2ac460f3294596721ea3049973b1af..5ce43a3c48908f1d2a9a21d210059ae1f3d01be6 100644 (file)
--- a/ncurses/tinfo/lib_termcap.c
+++ b/ncurses/tinfo/lib_termcap.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2013,2016 Free Software Foundation, Inc.              *
+ * Copyright 2018,2020 Thomas E. Dickey                                     *
+ * Copyright 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 +49,7 @@
 #define CUR SP_TERMTYPE
 #endif
 
-MODULE_ID("$Id: lib_termcap.c,v 1.81 2016/05/28 23:22:52 tom Exp $")
+MODULE_ID("$Id: lib_termcap.c,v 1.88 2020/02/02 23:34:34 tom Exp $")
 
 NCURSES_EXPORT_VAR(char *) UP = 0;
 NCURSES_EXPORT_VAR(char *) BC = 0;
@@ -100,8 +101,7 @@ NCURSES_SP_NAME(tgetent) (NCURSES_SP_DCLx char *bufp, const char *name)
     START_TRACE();
     T((T_CALLED("tgetent()")));
 
-    TINFO_SETUP_TERM(&termp, (NCURSES_CONST char *) name,
-                    STDOUT_FILENO, &rc, TRUE);
+    TINFO_SETUP_TERM(&termp, name, STDOUT_FILENO, &rc, TRUE);
 
 #ifdef USE_TERM_DRIVER
     if (termp == 0 ||
@@ -153,8 +153,12 @@ NCURSES_SP_NAME(tgetent) (NCURSES_SP_DCLx char *bufp, const char *name)
        }
        CacheInx = best;
     }
-    LAST_TRM = TerminalOf(SP_PARM);
-    LAST_SEQ = ++CacheSeq;
+    if (rc == 1) {
+       LAST_TRM = TerminalOf(SP_PARM);
+       LAST_SEQ = ++CacheSeq;
+    } else {
+       LAST_TRM = 0;
+    }
 
     PC = 0;
     UP = 0;
@@ -175,7 +179,8 @@ NCURSES_SP_NAME(tgetent) (NCURSES_SP_DCLx char *bufp, const char *name)
        if (backspace_if_not_bs != NULL)
            BC = backspace_if_not_bs;
 
-       if ((FIX_SGR0 = _nc_trim_sgr0(&(TerminalOf(SP_PARM)->type))) != 0) {
+       if ((FIX_SGR0 = _nc_trim_sgr0(&TerminalType(TerminalOf(SP_PARM))))
+           != 0) {
            if (!strcmp(FIX_SGR0, exit_attribute_mode)) {
                if (FIX_SGR0 != exit_attribute_mode) {
                    free(FIX_SGR0);
@@ -230,13 +235,13 @@ same_tcname(const char *a, const char *b)
  ***************************************************************************/
 
 NCURSES_EXPORT(int)
-NCURSES_SP_NAME(tgetflag) (NCURSES_SP_DCLx NCURSES_CONST char *id)
+NCURSES_SP_NAME(tgetflag) (NCURSES_SP_DCLx const char *id)
 {
     int result = 0;            /* Solaris returns zero for missing flag */
 
     T((T_CALLED("tgetflag(%p, %s)"), (void *) SP_PARM, id));
     if (HasTInfoTerminal(SP_PARM) && ValidCap(id)) {
-       TERMTYPE *tp = &(TerminalOf(SP_PARM)->type);
+       TERMTYPE2 *tp = &TerminalType(TerminalOf(SP_PARM));
        struct name_table_entry const *entry_ptr;
        int j = -1;
 
@@ -266,7 +271,7 @@ NCURSES_SP_NAME(tgetflag) (NCURSES_SP_DCLx NCURSES_CONST char *id)
 
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(int)
-tgetflag(NCURSES_CONST char *id)
+tgetflag(const char *id)
 {
     return NCURSES_SP_NAME(tgetflag) (CURRENT_SCREEN, id);
 }
@@ -282,13 +287,13 @@ tgetflag(NCURSES_CONST char *id)
  ***************************************************************************/
 
 NCURSES_EXPORT(int)
-NCURSES_SP_NAME(tgetnum) (NCURSES_SP_DCLx NCURSES_CONST char *id)
+NCURSES_SP_NAME(tgetnum) (NCURSES_SP_DCLx const char *id)
 {
     int result = ABSENT_NUMERIC;
 
     T((T_CALLED("tgetnum(%p, %s)"), (void *) SP_PARM, id));
     if (HasTInfoTerminal(SP_PARM) && ValidCap(id)) {
-       TERMTYPE *tp = &(TerminalOf(SP_PARM)->type);
+       TERMTYPE2 *tp = &TerminalType(TerminalOf(SP_PARM));
        struct name_table_entry const *entry_ptr;
        int j = -1;
 
@@ -318,7 +323,7 @@ NCURSES_SP_NAME(tgetnum) (NCURSES_SP_DCLx NCURSES_CONST char *id)
 
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(int)
-tgetnum(NCURSES_CONST char *id)
+tgetnum(const char *id)
 {
     return NCURSES_SP_NAME(tgetnum) (CURRENT_SCREEN, id);
 }
@@ -334,13 +339,13 @@ tgetnum(NCURSES_CONST char *id)
  ***************************************************************************/
 
 NCURSES_EXPORT(char *)
-NCURSES_SP_NAME(tgetstr) (NCURSES_SP_DCLx NCURSES_CONST char *id, char **area)
+NCURSES_SP_NAME(tgetstr) (NCURSES_SP_DCLx const char *id, char **area)
 {
     char *result = NULL;
 
     T((T_CALLED("tgetstr(%s,%p)"), id, (void *) area));
     if (HasTInfoTerminal(SP_PARM) && ValidCap(id)) {
-       TERMTYPE *tp = &(TerminalOf(SP_PARM)->type);
+       TERMTYPE2 *tp = &TerminalType(TerminalOf(SP_PARM));
        struct name_table_entry const *entry_ptr;
        int j = -1;
 
@@ -384,20 +389,41 @@ NCURSES_SP_NAME(tgetstr) (NCURSES_SP_DCLx NCURSES_CONST char *id, char **area)
 
 #if NCURSES_SP_FUNCS
 NCURSES_EXPORT(char *)
-tgetstr(NCURSES_CONST char *id, char **area)
+tgetstr(const char *id, char **area)
 {
     return NCURSES_SP_NAME(tgetstr) (CURRENT_SCREEN, id, area);
 }
 #endif
 
 #if NO_LEAKS
+#undef CacheInx
+#define CacheInx num
+NCURSES_EXPORT(void)
+_nc_tgetent_leak(TERMINAL *termp)
+{
+    if (termp != 0) {
+       int num;
+       for (CacheInx = 0; CacheInx < TGETENT_MAX; ++CacheInx) {
+           if (LAST_TRM == termp) {
+               FreeAndNull(FIX_SGR0);
+               if (LAST_TRM != 0) {
+                   LAST_TRM = 0;
+               }
+               break;
+           }
+       }
+    }
+}
+
 NCURSES_EXPORT(void)
 _nc_tgetent_leaks(void)
 {
+    int num;
     for (CacheInx = 0; CacheInx < TGETENT_MAX; ++CacheInx) {
-       FreeIfNeeded(FIX_SGR0);
-       if (LAST_TRM != 0)
+       if (LAST_TRM != 0) {
            del_curterm(LAST_TRM);
+           _nc_tgetent_leak(LAST_TRM);
+       }
     }
 }
 #endif