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openSUSE:Step:15-SP4
gdb.32331
gdb-tui-enable-work-around-libncurses-segfault....
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File gdb-tui-enable-work-around-libncurses-segfault.patch of Package gdb.32331
diff --git a/gdb/tui/tui.c b/gdb/tui/tui.c index 828e42bccf7..551a72e3992 100644 --- a/gdb/tui/tui.c +++ b/gdb/tui/tui.c @@ -57,7 +57,7 @@ /* Tells whether the TUI is active or not. */ bool tui_active = false; -static bool tui_finish_init = true; +static int tui_init = -1; enum tui_key_mode tui_current_key_mode = TUI_COMMAND_MODE; @@ -363,7 +363,13 @@ tui_enable (void) /* To avoid to initialize curses when gdb starts, there is a deferred curses initialization. This initialization is made only once and the first time the curses mode is entered. */ - if (tui_finish_init) + if (tui_init == 0) + { + /* Initalization failed before, just throw a generic error, don't try + again. Workaround for segfault in libncurses5 bsc#1179210. */ + error (_("Cannot enable the TUI")); + } + else if (tui_init == -1) { WINDOW *w; SCREEN *s; @@ -383,6 +389,8 @@ tui_enable (void) if (!gdb_stderr->isatty ()) error (_("Cannot enable the TUI when output is not a terminal")); + tui_init = 0; + s = newterm (NULL, stdout, stdin); #ifdef __MINGW32__ /* The MinGW port of ncurses requires $TERM to be unset in order @@ -435,7 +443,8 @@ tui_enable (void) tui_set_win_focus_to (TUI_SRC_WIN); keypad (TUI_CMD_WIN->handle.get (), TRUE); wrefresh (TUI_CMD_WIN->handle.get ()); - tui_finish_init = false; + + tui_init = 1; } else {
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