X-Git-Url: https://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=ncurses%2Ftinfo%2Flib_termcap.c;h=2ece985914e982f6e0db11bf52a775707cfa6340;hb=d1a029866f6d84087781eaa81de19949d8533426;hp=a8addc6c5e10bd018263e3024f04bd366968a991;hpb=5e1e572b71ae31a6071daa24e2460a68a6f1003c;p=ncurses.git

diff --git a/ncurses/tinfo/lib_termcap.c b/ncurses/tinfo/lib_termcap.c
index a8addc6c..2ece9859 100644
--- a/ncurses/tinfo/lib_termcap.c
+++ b/ncurses/tinfo/lib_termcap.c
@@ -1,5 +1,6 @@
 /****************************************************************************
- * Copyright (c) 1998-2016,2017 Free Software Foundation, Inc.              *
+ * Copyright 2018-2020,2023 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 1.84 2017/04/11 01:15:11 tom Exp $")
+MODULE_ID("$Id: lib_termcap.c,v 1.89 2023/05/27 20:13:10 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;
@@ -231,7 +235,7 @@ 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 */
 
@@ -267,7 +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);
 }
@@ -283,7 +287,7 @@ 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;
 
@@ -319,7 +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);
 }
@@ -335,7 +339,7 @@ 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;
 
@@ -385,7 +389,7 @@ 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);
 }
@@ -395,13 +399,13 @@ tgetstr(NCURSES_CONST char *id, char **area)
 #undef CacheInx
 #define CacheInx num
 NCURSES_EXPORT(void)
-_nc_tgetent_leak(TERMINAL *termp)
+_nc_tgetent_leak(const TERMINAL *const termp)
 {
     if (termp != 0) {
 	int num;
 	for (CacheInx = 0; CacheInx < TGETENT_MAX; ++CacheInx) {
 	    if (LAST_TRM == termp) {
-		FreeIfNeeded(FIX_SGR0);
+		FreeAndNull(FIX_SGR0);
 		if (LAST_TRM != 0) {
 		    LAST_TRM = 0;
 		}