ncurses 5.9 - patch 20110730

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

diff --git a/ncurses/tinfo/read_termcap.c b/ncurses/tinfo/read_termcap.c
index d94d1a42466d8e612c77519e08882576cf0a3e48..700dd77db46e78dd9a6d1ccda134f10063314e48 100644 (file)
--- a/ncurses/tinfo/read_termcap.c
+++ b/ncurses/tinfo/read_termcap.c
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998-2005,2006 Free Software Foundation, Inc.              *
+ * Copyright (c) 1998-2010,2011 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            *
@@ -54,11 +54,9 @@
 
 #include <ctype.h>
 #include <sys/types.h>
-#include <sys/stat.h>
 #include <tic.h>
-#include <term_entry.h>
 
-MODULE_ID("$Id: read_termcap.c,v 1.71 2006/07/29 12:06:51 tom Exp $")
+MODULE_ID("$Id: read_termcap.c,v 1.79 2011/07/29 00:25:02 tom Exp $")
 
 #if !PURE_TERMINFO
 
@@ -79,6 +77,15 @@ get_termpath(void)
     return result;
 }
 
+/*
+ * Note:
+ * getcap(), cgetent(), etc., are BSD functions.  A copy of those was added to
+ * this file in November 1995, derived from the BSD4.4 Lite sources.
+ *
+ * The initial adaptation uses 518 lines from that source.
+ * The current source (in 2009) uses 183 lines of BSD4.4 Lite (441 ignoring
+ * whitespace).
+ */
 #if USE_GETCAP
 
 #if HAVE_BSD_CGETENT
@@ -107,11 +114,7 @@ static int _nc_nfcmp(const char *, char *);
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgment:
- *     This product includes software developed by the University of
- *     California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
  *
@@ -438,8 +441,10 @@ _nc_getent(
                break;
        }
 
-       if (!foundit)
+       if (!foundit) {
+           free(record);
            return (TC_NOT_FOUND);
+       }
     }
 
     /*
@@ -451,7 +456,7 @@ _nc_getent(
        register int newilen;
        unsigned ilen;
        int diff, iret, tclen, oline;
-       char *icap, *scan, *tc, *tcstart, *tcend;
+       char *icap = 0, *scan, *tc, *tcstart, *tcend;
 
        /*
         * Loop invariants:
@@ -464,8 +469,9 @@ _nc_getent(
        scan = record;
        tc_not_resolved = FALSE;
        for (;;) {
-           if ((tc = _nc_cgetcap(scan, "tc", '=')) == 0)
+           if ((tc = _nc_cgetcap(scan, "tc", '=')) == 0) {
                break;
+           }
 
            /*
             * Find end of tc=name and stomp on the trailing `:'
@@ -482,6 +488,7 @@ _nc_getent(
            tclen = s - tcstart;
            tcend = s;
 
+           icap = 0;
            iret = _nc_getent(&icap, &ilen, &oline, current, db_array, fd,
                              tc, depth + 1, 0);
            newicap = icap;     /* Put into a register. */
@@ -492,12 +499,13 @@ _nc_getent(
                    if (myfd)
                        (void) close(fd);
                    free(record);
+                   FreeIfNeeded(icap);
                    return (iret);
                }
-               if (iret == TC_UNRESOLVED)
+               if (iret == TC_UNRESOLVED) {
                    tc_not_resolved = TRUE;
-               /* couldn't resolve tc */
-               if (iret == TC_NOT_FOUND) {
+                   /* couldn't resolve tc */
+               } else if (iret == TC_NOT_FOUND) {
                    *(s - 1) = ':';
                    scan = s - 1;
                    tc_not_resolved = TRUE;
@@ -577,8 +585,9 @@ _nc_getent(
     }
 
     *cap = record;
-    if (tc_not_resolved)
+    if (tc_not_resolved) {
        return (TC_UNRESOLVED);
+    }
     return (current);
 }
 
@@ -837,6 +846,9 @@ _nc_tgetent(char *bp, char **sourcename, int *lineno, const char *name)
        }
     }
     *fname = 0;                        /* mark end of vector */
+#if !HAVE_BSD_CGETENT
+    (void) _nc_cgetset(0);
+#endif
     if (_nc_is_abs_path(cp)) {
        if (_nc_cgetset(cp) < 0) {
            return (TC_SYS_ERR);
@@ -976,7 +988,7 @@ _nc_read_termcap_entry(const char *const tn, TERMTYPE *const tp)
        _nc_curr_line = lineno;
        _nc_set_source(source);
     }
-    _nc_read_entry_source((FILE *) 0, tc, FALSE, FALSE, NULLHOOK);
+    _nc_read_entry_source((FILE *) 0, tc, FALSE, TRUE, NULLHOOK);
 #else
     /*
      * Here is what the 4.4BSD termcap(3) page prescribes:
@@ -1059,7 +1071,7 @@ _nc_read_termcap_entry(const char *const tn, TERMTYPE *const tp)
     for (j = 0; j < filecount; j++) {
        bool omit = FALSE;
        if (stat(termpaths[j], &test_stat[j]) != 0
-           || (test_stat[j].st_mode & S_IFMT) != S_IFREG) {
+           || !S_ISREG(test_stat[j].st_mode)) {
            omit = TRUE;
        } else {
            for (k = 0; k < j; k++) {