--- /dev/null
+Submitted By: Matt Burgess (matthew at linuxfromscratch dot org)
+Date: 2007-05-05
+Initial Package Version: 5.6
+Upstream Status: From Upstream
+Origin: ftp://invisible-island.net/ncurses/5.6/ncurses-5.6-coverity.patch.gz
+Description: Fixes a number of issues found by the Coverity static code analysis
+ program.
+
+diff -Naur ncurses-5.6.orig/NEWS ncurses-5.6/NEWS
+--- ncurses-5.6.orig/NEWS 2006-12-17 20:36:26.000000000 +0000
++++ ncurses-5.6/NEWS 2007-05-05 08:11:08.000000000 +0000
+@@ -45,6 +45,36 @@
+ Changes through 1.9.9e did not credit all contributions;
+ it is not possible to add this information.
+
++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
+diff -Naur ncurses-5.6.orig/c++/cursesmain.cc ncurses-5.6/c++/cursesmain.cc
+--- ncurses-5.6.orig/c++/cursesmain.cc 2003-10-25 14:53:13.000000000 +0000
++++ ncurses-5.6/c++/cursesmain.cc 2007-05-05 08:11:08.000000000 +0000
+@@ -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 1.11 2003/10/25 14:53:13 tom Exp $")
+
+ #if HAVE_LOCALE_H
+@@ -58,8 +65,20 @@
+
+ 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
+ return(res);
+ }
+ }
+diff -Naur ncurses-5.6.orig/c++/cursesp.h ncurses-5.6/c++/cursesp.h
+--- ncurses-5.6.orig/c++/cursesp.h 2005-08-13 18:09:21.000000000 +0000
++++ ncurses-5.6/c++/cursesp.h 2007-05-05 08:11:08.000000000 +0000
+@@ -83,7 +83,7 @@
+ 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));
+diff -Naur ncurses-5.6.orig/c++/etip.h.in ncurses-5.6/c++/etip.h.in
+--- ncurses-5.6.orig/c++/etip.h.in 2005-08-06 19:55:57.000000000 +0000
++++ ncurses-5.6/c++/etip.h.in 2007-05-05 08:11:08.000000000 +0000
+@@ -342,23 +342,33 @@
+ 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 */
+diff -Naur ncurses-5.6.orig/configure ncurses-5.6/configure
+--- ncurses-5.6.orig/configure 2006-12-17 16:33:38.000000000 +0000
++++ ncurses-5.6/configure 2007-05-05 08:11:08.000000000 +0000
+@@ -13865,7 +13865,7 @@
+ 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:13871: checking for $ac_header" >&5
+diff -Naur ncurses-5.6.orig/configure.in ncurses-5.6/configure.in
+--- ncurses-5.6.orig/configure.in 2006-12-17 01:26:06.000000000 +0000
++++ ncurses-5.6/configure.in 2007-05-05 08:11:08.000000000 +0000
+@@ -1200,7 +1200,7 @@
+ ;;
+ esac
+
+- AC_CHECK_HEADERS(typeinfo)
++ AC_CHECK_HEADERS(iostream typeinfo)
+
+ CF_BOOL_DECL
+ CF_BOOL_SIZE
+diff -Naur ncurses-5.6.orig/include/ncurses_defs ncurses-5.6/include/ncurses_defs
+--- ncurses-5.6.orig/include/ncurses_defs 2006-08-05 19:27:02.000000000 +0000
++++ ncurses-5.6/include/ncurses_defs 2007-05-05 08:11:08.000000000 +0000
+@@ -68,6 +68,7 @@
+ HAVE_GPP_BUILTIN_H
+ HAVE_GXX_BUILTIN_H
+ HAVE_HAS_KEY
++HAVE_IOSTREAM
+ HAVE_ISASCII
+ HAVE_ISSETUGID
+ HAVE_LANGINFO_CODESET
+diff -Naur ncurses-5.6.orig/ncurses/base/lib_addstr.c ncurses-5.6/ncurses/base/lib_addstr.c
+--- ncurses-5.6.orig/ncurses/base/lib_addstr.c 2006-05-27 19:22:19.000000000 +0000
++++ ncurses-5.6/ncurses/base/lib_addstr.c 2007-05-05 08:11:08.000000000 +0000
+@@ -80,8 +80,7 @@
+ 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 @@
+ if (!win)
+ returnCode(ERR);
+
++ y = win->_cury;
++ x = win->_curx;
+ if (n < 0) {
+ const chtype *str;
+ n = 0;
+diff -Naur ncurses-5.6.orig/ncurses/base/lib_color.c ncurses-5.6/ncurses/base/lib_color.c
+--- ncurses-5.6.orig/ncurses/base/lib_color.c 2006-11-26 01:33:16.000000000 +0000
++++ ncurses-5.6/ncurses/base/lib_color.c 2007-05-05 08:11:08.000000000 +0000
+@@ -56,7 +56,10 @@
+
+ #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 @@
+
+ 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 @@
+ 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;
+
+ T(("initializing pair: pair = %d, fg=(%d,%d,%d), bg=(%d,%d,%d)",
+diff -Naur ncurses-5.6.orig/ncurses/base/lib_overlay.c ncurses-5.6/ncurses/base/lib_overlay.c
+--- ncurses-5.6.orig/ncurses/base/lib_overlay.c 2006-10-14 20:43:31.000000000 +0000
++++ ncurses-5.6/ncurses/base/lib_overlay.c 2007-05-05 08:11:08.000000000 +0000
+@@ -139,8 +139,8 @@
+ {
+ 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 @@
+ 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)) {
+diff -Naur ncurses-5.6.orig/ncurses/base/tries.c ncurses-5.6/ncurses/base/tries.c
+--- ncurses-5.6.orig/ncurses/base/tries.c 2005-11-26 20:09:18.000000000 +0000
++++ ncurses-5.6/ncurses/base/tries.c 2007-05-05 08:11:08.000000000 +0000
+@@ -68,7 +68,7 @@
+ }
+ }
+ 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)
+diff -Naur ncurses-5.6.orig/ncurses/base/wresize.c ncurses-5.6/ncurses/base/wresize.c
+--- ncurses-5.6.orig/ncurses/base/wresize.c 2006-10-14 20:43:31.000000000 +0000
++++ ncurses-5.6/ncurses/base/wresize.c 2007-05-05 08:11:08.000000000 +0000
+@@ -38,7 +38,7 @@
+ cleanup_lines(struct ldat *data, int length)
+ {
+ while (--length >= 0)
+- free(data->text);
++ free(data[length].text);
+ free(data);
+ return ERR;
+ }
+diff -Naur ncurses-5.6.orig/ncurses/tinfo/trim_sgr0.c ncurses-5.6/ncurses/tinfo/trim_sgr0.c
+--- ncurses-5.6.orig/ncurses/tinfo/trim_sgr0.c 2006-12-02 19:37:57.000000000 +0000
++++ ncurses-5.6/ncurses/tinfo/trim_sgr0.c 2007-05-05 08:11:08.000000000 +0000
+@@ -247,9 +247,7 @@
+ 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 @@
+ */
+ free(off);
+ }
+- free(end);
+- free(on);
++ FreeIfNeeded(end);
++ FreeIfNeeded(on);
+ } else {
+ /*
+ * Possibly some applications are confused if sgr0 contains rmacs,
+diff -Naur ncurses-5.6.orig/progs/dump_entry.c ncurses-5.6/progs/dump_entry.c
+--- ncurses-5.6.orig/progs/dump_entry.c 2006-09-30 20:18:15.000000000 +0000
++++ ncurses-5.6/progs/dump_entry.c 2007-05-05 08:11:08.000000000 +0000
+@@ -352,14 +352,17 @@
+ }
+ 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 @@
+ * 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;
+ }
+diff -Naur ncurses-5.6.orig/progs/infocmp.c ncurses-5.6/progs/infocmp.c
+--- ncurses-5.6.orig/progs/infocmp.c 2006-08-19 21:20:37.000000000 +0000
++++ ncurses-5.6/progs/infocmp.c 2007-05-05 08:11:08.000000000 +0000
+@@ -1083,7 +1083,6 @@
+ }
+ *tp++ = '"';
+ *tp = '\0';
+- size += (strlen(term->Strings[n]) + 1);
+ (void) printf("static char %-20s[] = %s;\n",
+ string_variable(ExtStrname(term, n, strnames)), buf);
+ }
+diff -Naur ncurses-5.6.orig/progs/tic.c ncurses-5.6/progs/tic.c
+--- ncurses-5.6.orig/progs/tic.c 2006-12-02 22:13:17.000000000 +0000
++++ ncurses-5.6/progs/tic.c 2007-05-05 08:11:08.000000000 +0000
+@@ -353,11 +353,24 @@
+ 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 @@
+ 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 @@
+ 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 @@
+ }
+
+ 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 @@
+ 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 @@
+ else
+ fprintf(log_fp, "No entries written\n");
+ }
++#if NO_LEAKS
++ free_namelist(namelst);
++#endif
+ cleanup();
+ ExitProgram(EXIT_SUCCESS);
+ }
+diff -Naur ncurses-5.6.orig/tack/ansi.c ncurses-5.6/tack/ansi.c
+--- ncurses-5.6.orig/tack/ansi.c 2005-09-17 19:49:16.000000000 +0000
++++ ncurses-5.6/tack/ansi.c 2007-05-05 08:11:08.000000000 +0000
+@@ -309,6 +309,8 @@
+ 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 @@
+ 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 @@
+ bank[j] = ch;
+ if (ch < ' ' || ch > '/')
+ break;
+- if (j + 1 >= (int) sizeof(bank))
++ if (j + 2 >= (int) sizeof(bank))
+ break;
+ }
+ if (j == 1)
+diff -Naur ncurses-5.6.orig/tack/output.c ncurses-5.6/tack/output.c
+--- ncurses-5.6.orig/tack/output.c 2006-11-26 00:16:49.000000000 +0000
++++ ncurses-5.6/tack/output.c 2007-05-05 08:11:08.000000000 +0000
+@@ -740,7 +740,9 @@
+ /* 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 @@
+
+ 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) {
+diff -Naur ncurses-5.6.orig/test/bs.c ncurses-5.6/test/bs.c
+--- ncurses-5.6.orig/test/bs.c 2006-05-20 15:38:52.000000000 +0000
++++ ncurses-5.6/test/bs.c 2007-05-05 08:11:08.000000000 +0000
+@@ -459,7 +459,7 @@
+ do {
+ c = getch();
+ } while
+- (!strchr("hjklrR", c) || c == FF);
++ (!(strchr("hjklrR", c) || c == FF));
+
+ if (c == FF) {
+ (void) clearok(stdscr, TRUE);
+diff -Naur ncurses-5.6.orig/test/cardfile.c ncurses-5.6/test/cardfile.c
+--- ncurses-5.6.orig/test/cardfile.c 2006-12-10 00:30:09.000000000 +0000
++++ ncurses-5.6/test/cardfile.c 2007-05-05 08:11:08.000000000 +0000
+@@ -136,13 +136,15 @@
+ 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);
+ }
+ }
+
+diff -Naur ncurses-5.6.orig/test/demo_defkey.c ncurses-5.6/test/demo_defkey.c
+--- ncurses-5.6.orig/test/demo_defkey.c 2006-04-01 19:08:03.000000000 +0000
++++ ncurses-5.6/test/demo_defkey.c 2007-05-05 08:11:08.000000000 +0000
+@@ -143,13 +143,12 @@
+ 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));