File ncurses-5.6-coverity.patch of Package ncurses

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File ncurses-5.6-coverity.patch of Package ncurses (Revision 09933ab67838211f55548f9a1c5e2614)

Currently displaying revision 09933ab67838211f55548f9a1c5e2614 , Show latest

--- NEWS
+++ NEWS	2007-04-07 18:55:45.000000000 +0200
@@ -103,6 +103,36 @@ it is not possible to add this informati
 	+ modify shared-library rules to allow FreeBSD 3.x to use rpath.
 	+ update config.guess, config.sub
 
+20060407
+	> other fixes prompted by inspection for Coverity report:
+	+ modify ifdef's for c++ binding to use try/catch/throw statements
+	+ add a null-pointer check in tack/ansi.c request_cfss()
+	+ fix a memory leak in ncurses/base/wresize.c
+	+ corrected check for valid memu/meml capabilities in
+	  progs/dump_entry.c when handling V_HPUX case.
+	> fixes based on Coverity report:
+	+ remove dead code in test/bs.c
+	+ remove dead code in test/demo_defkey.c
+	+ remove an unused assignment in progs/infocmp.c
+	+ fix a limit check in tack/ansi.c tools_charset()
+	+ fix tack/ansi.c tools_status() to perform the VT320/VT420
+	  tests in request_cfss().  The function had exited too soon.
+	+ fix a memory leak in tic.c's make_namelist()
+	+ fix a couple of places in tack/output.c which did not check for EOF.
+	+ fix a loop-condition in test/bs.c
+	+ add index checks in lib_color.c for color palettes
+	+ add index checks in progs/dump_entry.c for version_filter() handling
+	  of V_BSD case.
+	+ fix a possible null-pointer dereference in copywin()
+	+ fix a possible null-pointer dereference in waddchnstr()
+	+ add a null-pointer check in _nc_expand_try()
+	+ add a null-pointer check in tic.c's make_namelist()
+	+ add a null-pointer check in _nc_expand_try()
+	+ add null-pointer checks in test/cardfile.c
+	+ fix a double-free in ncurses/tinfo/trim_sgr0.c
+	+ fix a double-free in ncurses/base/wresize.c
+	+ add try/catch block to c++/cursesmain.cc
+
 20061217 5.6 release for upload to ftp.gnu.org
 
 20061217
--- configure
+++ configure	2007-04-07 00:54:52.000000000 +0200
@@ -13892,7 +13892,7 @@ ac_link='$CXX -o conftest$ac_exeext $CXX
 ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
 ac_main_return=return
 
-for ac_header in typeinfo
+for ac_header in iostream typeinfo
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
 echo "$as_me:13893: checking for $ac_header" >&5
--- configure.in
+++ configure.in	2007-04-07 00:53:21.000000000 +0200
@@ -1210,7 +1210,7 @@ if test -n "$CXX" ; then
 		;;
 	esac
 
-	AC_CHECK_HEADERS(typeinfo)
+	AC_CHECK_HEADERS(iostream typeinfo)
 
 	CF_BOOL_DECL
 	CF_BOOL_SIZE
--- c++/cursesmain.cc
+++ c++/cursesmain.cc	2008-04-09 17:57:56.093616466 +0200
@@ -34,6 +34,13 @@
 #include "internal.h"
 #include "cursesapp.h"
 
+#if CPP_HAS_TRY_CATCH && HAVE_IOSTREAM
+#include <iostream>
+#else
+#undef CPP_HAS_TRY_CATCH
+#define CPP_HAS_TRY_CATCH 0
+#endif
+
 MODULE_ID("$Id: cursesmain.cc,v 1.13 2007/01/27 20:29:27 tom Exp $")
 
 #if HAVE_LOCALE_H
@@ -62,8 +69,20 @@ int main(int argc, char* argv[])
 
     A->handleArgs(argc,argv);
     ::endwin();
+#if CPP_HAS_TRY_CATCH
+    try {
+      res = (*A)();
+      ::endwin();
+    }
+    catch(const NCursesException &e) {
+      ::endwin();
+      std::cerr << e.message << std::endl;
+      res = e.errorno;
+    }
+#else
     res = (*A)();
     ::endwin();
+#endif
 #if NO_LEAKS
     delete A;
     _nc_free_and_exit(res);
--- c++/cursesp.h
+++ c++/cursesp.h	2007-04-07 02:47:22.000000000 +0200
@@ -83,7 +83,7 @@ protected:
     return uptr->m_user;
   }
 
-  void OnError (int err) const THROWS((NCursesPanelException))
+  void OnError (int err) const THROWS(NCursesPanelException)
   {
     if (err==ERR)
       THROW(new NCursesPanelException (this, err));
--- c++/etip.h.in
+++ c++/etip.h.in	2007-04-07 02:49:39.000000000 +0200
@@ -330,23 +330,33 @@ public:
 inline void THROW(const NCursesException *e) {
 #if defined(__GNUG__) && defined(__EXCEPTIONS)
 #  if ((__GNUG__ <= 2) && (__GNUC_MINOR__ < 8))
-      (*lib_error_handler)(e?e->classname():"",e?e->message:"");
+      (*lib_error_handler)(e ? e->classname() : "", e ? e->message : "");
 #else
-      throw *e;
+#define CPP_HAS_TRY_CATCH 1
 #endif
 #elif defined(__SUNPRO_CC)
 #  if !defined(__SUNPRO_CC_COMPAT) || (__SUNPRO_CC_COMPAT < 5)
   genericerror(1, ((e != 0) ? (char *)(e->message) : ""));
 #else
-  throw *e;
+#define CPP_HAS_TRY_CATCH 1
 #endif
 #else
   if (e)
     cerr << e->message << endl;
   exit(0);
 #endif
-}
 
-#define THROWS(s)
+#ifndef CPP_HAS_TRY_CATCH
+#define CPP_HAS_TRY_CATCH 0
+#define NCURSES_CPP_TRY		/* nothing */
+#define NCURSES_CPP_CATCH(e)	if (false)
+#define THROWS(s)		/* nothing */
+#elif CPP_HAS_TRY_CATCH
+  throw *e;
+#define NCURSES_CPP_TRY		try
+#define NCURSES_CPP_CATCH(e)	catch(e)
+#define THROWS(s)		throw(s)
+#endif
+}
 
 #endif /* NCURSES_ETIP_H_incl */
--- include/ncurses_defs
+++ include/ncurses_defs	2007-04-07 00:54:16.000000000 +0200
@@ -68,6 +68,7 @@ HAVE_GPM_H
 HAVE_GPP_BUILTIN_H
 HAVE_GXX_BUILTIN_H
 HAVE_HAS_KEY
+HAVE_IOSTREAM
 HAVE_ISASCII
 HAVE_ISSETUGID
 HAVE_LANGINFO_CODESET
--- ncurses/base/lib_addstr.c
+++ ncurses/base/lib_addstr.c	2007-04-04 02:41:25.000000000 +0200
@@ -80,8 +80,7 @@ waddnstr(WINDOW *win, const char *astr, 
 NCURSES_EXPORT(int)
 waddchnstr(WINDOW *win, const chtype *astr, int n)
 {
-    NCURSES_SIZE_T y = win->_cury;
-    NCURSES_SIZE_T x = win->_curx;
+    NCURSES_SIZE_T y, x;
     int code = OK;
     int i;
     struct ldat *line;
@@ -91,6 +90,8 @@ waddchnstr(WINDOW *win, const chtype *as
     if (!win)
 	returnCode(ERR);
 
+    y = win->_cury;
+    x = win->_curx;
     if (n < 0) {
 	const chtype *str;
 	n = 0;
--- ncurses/base/lib_color.c
+++ ncurses/base/lib_color.c	2007-04-04 22:32:04.000000000 +0200
@@ -56,7 +56,10 @@ NCURSES_EXPORT_VAR(int) COLORS = 0;
 
 #define TYPE_CALLOC(type,elts) typeCalloc(type, (unsigned)(elts))
 
+#define MAX_PALETTE	8
+
 #define OkColorHi(n)	(((n) < COLORS) && ((n) < max_colors))
+#define InPalette(n)	((n) >= 0 && (n) < MAX_PALETTE)
 
 /*
  * Given a RGB range of 0..1000, we'll normally set the individual values
@@ -162,10 +165,10 @@ init_color_table(void)
 
     tp = (hue_lightness_saturation) ? hls_palette : cga_palette;
     for (n = 0; n < COLORS; n++) {
-	if (n < 8) {
+	if (InPalette(n)) {
 	    SP->_color_table[n] = tp[n];
 	} else {
-	    SP->_color_table[n] = tp[n % 8];
+	    SP->_color_table[n] = tp[n % MAX_PALETTE];
 	    if (hue_lightness_saturation) {
 		SP->_color_table[n].green = 100;
 	    } else {
@@ -365,7 +368,7 @@ init_pair(short pair, short f, short b)
     if (GET_SCREEN_PAIR(SP) == pair)
 	SET_SCREEN_PAIR(SP, (chtype) (~0));	/* force attribute update */
 
-    if (initialize_pair) {
+    if (initialize_pair && InPalette(f) && InPalette(b)) {
 	const color_t *tp = hue_lightness_saturation ? hls_palette : cga_palette;
 
 	TR(TRACE_ATTRS,
--- ncurses/base/lib_overlay.c
+++ ncurses/base/lib_overlay.c	2007-04-04 02:40:12.000000000 +0200
@@ -139,8 +139,8 @@ copywin(const WINDOW *src, WINDOW *dst,
 {
     int sx, sy, dx, dy;
     bool touched;
-    attr_t bk = AttrOf(dst->_nc_bkgd);
-    attr_t mask = ~(attr_t) ((bk & A_COLOR) ? A_COLOR : 0);
+    attr_t bk;
+    attr_t mask;
 
     T((T_CALLED("copywin(%p, %p, %d, %d, %d, %d, %d, %d, %d)"),
        src, dst, sminrow, smincol, dminrow, dmincol, dmaxrow, dmaxcol, over));
@@ -148,6 +148,9 @@ copywin(const WINDOW *src, WINDOW *dst,
     if (!src || !dst)
 	returnCode(ERR);
 
+    bk = AttrOf(dst->_nc_bkgd);
+    mask = ~(attr_t) ((bk & A_COLOR) ? A_COLOR : 0);
+
     /* make sure rectangle exists in source */
     if ((sminrow + dmaxrow - dminrow) > (src->_maxy + 1) ||
 	(smincol + dmaxcol - dmincol) > (src->_maxx + 1)) {
--- ncurses/base/tries.c
+++ ncurses/base/tries.c	2007-04-03 22:58:30.000000000 +0200
@@ -68,7 +68,7 @@ _nc_expand_try(TRIES * tree, unsigned co
 	}
     }
     if (result != 0) {
-	if ((result[len] = ptr->ch) == 0)
+	if (ptr != 0 && (result[len] = ptr->ch) == 0)
 	    *((unsigned char *) (result + len)) = 128;
 #ifdef TRACE
 	if (len == 0 && _nc_tracing != 0)
--- ncurses/base/wresize.c
+++ ncurses/base/wresize.c	2007-04-04 22:28:42.000000000 +0200
@@ -38,7 +38,7 @@ static int
 cleanup_lines(struct ldat *data, int length)
 {
     while (--length >= 0)
-	free(data->text);
+	free(data[length].text);
     free(data);
     return ERR;
 }
--- ncurses/tinfo/trim_sgr0.c
+++ ncurses/tinfo/trim_sgr0.c	2007-04-04 21:29:01.000000000 +0200
@@ -247,9 +247,7 @@ _nc_trim_sgr0(TERMTYPE *tp)
 	if (!rewrite_sgr(on, enter_alt_charset_mode)
 	    || !rewrite_sgr(off, exit_alt_charset_mode)
 	    || !rewrite_sgr(end, exit_alt_charset_mode)) {
-	    FreeIfNeeded(on);
 	    FreeIfNeeded(off);
-	    FreeIfNeeded(end);
 	} else if (similar_sgr(off, end)
 		   && !similar_sgr(off, on)) {
 	    TR(TRACE_DATABASE, ("adjusting sgr(9:off) : %s", _nc_visbuf(off)));
@@ -315,8 +313,8 @@ _nc_trim_sgr0(TERMTYPE *tp)
 	     */
 	    free(off);
 	}
-	free(end);
-	free(on);
+	FreeIfNeeded(end);
+	FreeIfNeeded(on);
     } else {
 	/*
 	 * Possibly some applications are confused if sgr0 contains rmacs,
--- progs/dump_entry.c
+++ progs/dump_entry.c	2007-04-07 17:51:47.000000000 +0200
@@ -352,14 +352,17 @@ version_filter(PredType type, PredIdx id
 	}
 	break;
 
+#define is_termcap(type) (idx < (int) sizeof(type##_from_termcap) && \
+			  type##_from_termcap[idx])
+
     case V_BSD:		/* BSD */
 	switch (type) {
 	case BOOLEAN:
-	    return bool_from_termcap[idx];
+	    return is_termcap(bool);
 	case NUMBER:
-	    return num_from_termcap[idx];
+	    return is_termcap(num);
 	case STRING:
-	    return str_from_termcap[idx];
+	    return is_termcap(str);
 	}
 	break;
     }
@@ -788,11 +791,11 @@ fmt_entry(TERMTYPE *tterm,
      * Much more work should be done on this to support dumping termcaps.
      */
     if (tversion == V_HPUX) {
-	if (memory_lock) {
+	if (VALID_STRING(memory_lock)) {
 	    (void) sprintf(buffer, "meml=%s", memory_lock);
 	    WRAP_CONCAT;
 	}
-	if (memory_unlock) {
+	if (VALID_STRING(memory_unlock)) {
 	    (void) sprintf(buffer, "memu=%s", memory_unlock);
 	    WRAP_CONCAT;
 	}
--- progs/infocmp.c
+++ progs/infocmp.c	2007-04-04 02:51:49.000000000 +0200
@@ -1084,7 +1084,6 @@ dump_initializers(TERMTYPE *term)
 	    }
 	    *tp++ = '"';
 	    *tp = '\0';
-	    size += (strlen(term->Strings[n]) + 1);
 	    (void) printf("static char %-20s[] = %s;\n",
 			  string_variable(ExtStrname(term, n, strnames)), buf);
 	}
--- progs/tic.c
+++ progs/tic.c	2007-04-07 17:20:35.000000000 +0200
@@ -353,11 +353,24 @@ open_input(const char *filename)
     return fp;
 }
 
+#if NO_LEAKS
+static void
+free_namelist(char **src)
+{
+    if (src != 0) {
+	int n;
+	for (n = 0; src[n] != 0; ++n)
+	    free (src[n]);
+	free (src);
+    }
+}
+#endif
+
 /* Parse the "-e" option-value into a list of names */
-static const char **
+static char **
 make_namelist(char *src)
 {
-    const char **dst = 0;
+    char **dst = 0;
 
     char *s, *base;
     unsigned pass, n, nn;
@@ -374,11 +387,13 @@ make_namelist(char *src)
 		if ((s = stripped(buffer)) != 0) {
 		    if (dst != 0)
 			dst[nn] = s;
+		    else
+			free(s);
 		    nn++;
 		}
 	    }
 	    if (pass == 1) {
-		dst = typeCalloc(const char *, nn + 1);
+		dst = typeCalloc(char *, nn + 1);
 		rewind(fp);
 	    }
 	}
@@ -401,10 +416,10 @@ make_namelist(char *src)
 		    break;
 	    }
 	    if (pass == 1)
-		dst = typeCalloc(const char *, nn + 1);
+		dst = typeCalloc(char *, nn + 1);
 	}
     }
-    if (showsummary) {
+    if (showsummary && (dst != 0)) {
 	fprintf(log_fp, "Entries that will be compiled:\n");
 	for (n = 0; dst[n] != 0; n++)
 	    fprintf(log_fp, "%u:%s\n", n + 1, dst[n]);
@@ -413,7 +428,7 @@ make_namelist(char *src)
 }
 
 static bool
-matches(const char **needle, const char *haystack)
+matches(char **needle, const char *haystack)
 /* does entry in needle list match |-separated field in haystack? */
 {
     bool code = FALSE;
@@ -468,7 +483,7 @@ main(int argc, char *argv[])
     bool limited = TRUE;
     char *tversion = (char *) NULL;
     const char *source_file = "terminfo";
-    const char **namelst = 0;
+    char **namelst = 0;
     char *outdir = (char *) NULL;
     bool check_only = FALSE;
     bool suppress_untranslatable = FALSE;
@@ -784,6 +799,9 @@ main(int argc, char *argv[])
 	else
 	    fprintf(log_fp, "No entries written\n");
     }
+#if NO_LEAKS
+    free_namelist(namelst);
+#endif
     cleanup();
     ExitProgram(EXIT_SUCCESS);
 }
--- tack/ansi.c
+++ tack/ansi.c	2007-04-07 16:49:53.000000000 +0200
@@ -309,6 +309,8 @@ request_cfss(void)
 	put_crlf();
 	for (i = 0; rqss[i].text; i++) {
 		ptext(rqss[i].text);
+		if (rqss[i].expect == 0)
+			continue;
 		j = strlen(rqss[i].text) + strlen(rqss[i].expect);
 		putchp(' ');
 		for (j++; j < 40; j++)
@@ -600,10 +602,11 @@ tools_status(
 		i = read_reports();
 		if (i != 'r' && i != 'R') {
 			*ch = i;
-			return;
+			break;
 		}
 	} while (i);
 
+	/* VT320, VT420, etc. */
 	if (terminal_class >= 63) {
 		do {
 			i = request_cfss();
@@ -841,7 +844,7 @@ tools_charset(
 			bank[j] = ch;
 			if (ch < ' ' || ch > '/')
 				break;
-			if (j + 1 >= (int) sizeof(bank))
+			if (j + 2 >= (int) sizeof(bank))
 				break;
 		}
 		if (j == 1)
--- tack/output.c
+++ tack/output.c	2007-04-07 16:39:05.000000000 +0200
@@ -740,7 +740,9 @@ wait_here(void)
 			/* ignore control S, but tell me about it */
 			while (ch == 023 || ch == 021) {
 				ch = getchp(STRIP_PARITY);
-				if (i < (int) sizeof(cc))
+				if (ch == EOF)
+				    break;
+				if (i + 1 < (int) sizeof(cc))
 					cc[++i] = ch;
 			}
 			put_str("\nThe terminal sent a ^S -");
@@ -778,7 +780,7 @@ read_string(
 
 	for (i = 0; i < length - 1; ) {
 		ch = getchp(STRIP_PARITY);
-		if (ch == '\r' || ch == '\n') {
+		if (ch == '\r' || ch == '\n' || ch == EOF) {
 			break;
 		}
 		if (ch == '\b' || ch == 127) {
--- test/bs.c
+++ test/bs.c	2007-04-03 01:14:05.000000000 +0200
@@ -459,7 +459,7 @@ initgame(void)
 	do {
 	    c = getch();
 	} while
-	    (!strchr("hjklrR", c) || c == FF);
+	    (!(strchr("hjklrR", c) || c == FF));
 
 	if (c == FF) {
 	    (void) clearok(stdscr, TRUE);
--- test/cardfile.c
+++ test/cardfile.c	2007-04-04 22:12:24.000000000 +0200
@@ -136,13 +136,15 @@ add_content(CARD * card, const char *con
 	if ((offset = strlen(card->content)) != 0) {
 	    total += 1 + offset;
 	    card->content = (char *) realloc(card->content, total + 1);
-	    strcpy(card->content + offset++, " ");
+	    if (card->content)
+		strcpy(card->content + offset++, " ");
 	} else {
 	    if (card->content != 0)
 		free(card->content);
 	    card->content = (char *) malloc(total + 1);
 	}
-	strcpy(card->content + offset, content);
+	if (card->content)
+	    strcpy(card->content + offset, content);
     }
 }
 
--- test/demo_defkey.c
+++ test/demo_defkey.c	2007-04-03 01:17:56.000000000 +0200
@@ -143,13 +143,12 @@ really_define_key(WINDOW *win, const cha
 		code_name);
     }
     log_last_line(win);
+
     if (vis_string != 0) {
 	free(vis_string);
 	vis_string = 0;
     }
 
-    if (vis_string != 0)
-	free(vis_string);
     vis_string = visible(new_string);
     if ((rc = key_defined(new_string)) > 0) {
 	wprintw(win, "%s was bound to %s\n", vis_string, keyname(rc));

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File ncurses-5.6-coverity.patch of Package ncurses (Revision 09933ab67838211f55548f9a1c5e2614)

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