X-Git-Url: https://ncurses.scripts.mit.edu/?a=blobdiff_plain;f=ncurses%2Fterm.priv.h;fp=ncurses%2Fterm.priv.h;h=7b2579c854f783cc486357e13a55ee49c9926e7f;hb=bd2d9c5734d2c66abe0b2ddd766695b200c154fe;hp=37547180a02bec5744edd38e6763715c0cf4b7f3;hpb=a1c9e77bebcdf278d9c290a97c82961e159cd896;p=ncurses.git

diff --git a/ncurses/term.priv.h b/ncurses/term.priv.h
index 37547180..7b2579c8 100644
--- a/ncurses/term.priv.h
+++ b/ncurses/term.priv.h
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright 2021,2023 Thomas E. Dickey                                     *
+ * Copyright 2021-2023,2024 Thomas E. Dickey                                *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
@@ -27,7 +27,7 @@
  ****************************************************************************/
 
 /*
- * $Id: term.priv.h,v 1.8 2023/09/16 15:16:38 tom Exp $
+ * $Id: term.priv.h,v 1.12 2024/02/24 18:11:38 tom Exp $
  *
  *	term.priv.h
  *
@@ -53,7 +53,12 @@ extern "C" {
 #define NCURSES_INTERNALS 1
 #define NCURSES_OPAQUE 0
 
-#include <limits.h>		/* PATH_MAX */
+#if HAVE_LIMITS_H
+# include <limits.h>		/* PATH_MAX, MB_LEN_MAX, etc */
+#elif HAVE_SYS_PARAM_H
+# include <sys/param.h>
+#endif
+
 #include <signal.h>		/* sig_atomic_t */
 #include <time.h>		/* time_t */
 #include <term.h>		/* time_t */
@@ -64,6 +69,28 @@ extern "C" {
 #endif
 #endif
 
+/*
+ * If not properly configured to use the system's limits.h, we get gcc's
+ * fallback for limits.h which sets MB_LEN_MAX to 1, which is never correct.
+ */
+#if defined(MB_LEN_MAX) && (MB_LEN_MAX < 6)
+#undef MB_LEN_MAX
+#endif
+
+#ifndef MB_LEN_MAX
+#define MB_LEN_MAX 16	/* should be >= MB_CUR_MAX, but that may be a function */
+#endif
+
+#ifndef PATH_MAX
+# if defined(_POSIX_PATH_MAX)
+#  define PATH_MAX _POSIX_PATH_MAX
+# elif defined(MAXPATHLEN)
+#  define PATH_MAX MAXPATHLEN
+# else
+#  define PATH_MAX 255	/* the Posix minimum path-size */
+# endif
+#endif
+
 /*
  * State of tparm().
  */
@@ -241,7 +268,6 @@ typedef struct {
 
 #ifdef TRACE
 	bool		trace_opened;
-	char		trace_fname[PATH_MAX];
 	int		trace_level;
 	FILE *		trace_fp;
 	int		trace_fd;