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cli: reset terminal using libreadline when quitting on signal (bgo #706118)

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readline() makes changes to terminal and when it doesn't receive unix signals,
it has no chance to perform cleanups on exit. So we have to call its cleanup
functions manually on exit.

https://bugzilla.gnome.org/show_bug.cgi?id=706118
This commit is contained in:
Jiří Klimeš
2013-09-10 10:03:59 +02:00
parent 663014ed62
commit 555e5b401c
3 changed files with 20 additions and 0 deletions
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17
cli/src/connections.c
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@@ -4307,6 +4307,8 @@ typedef struct {
int *rl_attempted_completion_over_x;
int *rl_completion_append_character_x;
const char **rl_completer_word_break_characters_x;
void (*rl_free_line_state_func) (void);
void (*rl_cleanup_after_signal_func) (void);
} EditLibSymbols;
static EditLibSymbols edit_lib_symbols;
@@ -4663,6 +4665,12 @@ load_cmd_line_edit_lib (void)
if (!g_module_symbol (module, "rl_completer_word_break_characters",
(gpointer) (&edit_lib_symbols.rl_completer_word_break_characters_x)))
goto error;
if (!g_module_symbol (module, "rl_free_line_state",
(gpointer) (&edit_lib_symbols.rl_free_line_state_func)))
goto error;
if (!g_module_symbol (module, "rl_cleanup_after_signal",
(gpointer) (&edit_lib_symbols.rl_cleanup_after_signal_func)))
goto error;
/* Set a pointer to an alternative function to create matches */
*edit_lib_symbols.rl_attempted_completion_function_x = (CPPFunction *) nmcli_editor_tab_completion;
@@ -4676,6 +4684,15 @@ error:
return NULL;
}
void
nmc_cleanup_readline (void)
{
if (edit_lib_symbols.rl_free_line_state_func)
edit_lib_symbols.rl_free_line_state_func ();
if (edit_lib_symbols.rl_cleanup_after_signal_func)
edit_lib_symbols.rl_cleanup_after_signal_func ();
}
static char *
readline_x (const char *prompt)
{