- fix displaying of prompt in subshell (#244025)
This commit is contained in:
Jindrich Novy
parent
78bc1349aa
commit
c148d92eee
158
mc-prompt.patch
158
mc-prompt.patch
@ -1,21 +1,151 @@
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--- mc-2007-06-04-22/src/main.c.prompt 2007-06-12 15:23:25.000000000 +0200
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+++ mc-2007-06-04-22/src/main.c 2007-06-12 15:45:08.000000000 +0200
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@@ -453,9 +453,16 @@ do_possible_cd (const char *new_dir)
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void
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--- mc-2007-06-04-22/src/execute.c.prompt 2005-09-28 23:28:06.000000000 +0200
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+++ mc-2007-06-04-22/src/execute.c 2007-06-20 14:07:17.000000000 +0200
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@@ -140,6 +140,8 @@ do_execute (const char *shell, const cha
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printf ("\r\n");
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fflush (stdout);
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}
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+ update_prompt = TRUE;
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+ do_update_prompt ();
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if (console_flag) {
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if (output_lines && keybar_visible) {
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putchar ('\n');
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--- mc-2007-06-04-22/src/main.c.prompt 2007-06-20 14:07:17.000000000 +0200
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+++ mc-2007-06-04-22/src/main.c 2007-06-20 14:07:17.000000000 +0200
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@@ -454,7 +454,7 @@ void
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do_update_prompt (void)
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{
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if (update_prompt) {
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- printf ("%s", subshell_prompt);
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+ printf ("\r\n%s", original_subshell_prompt);
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fflush (stdout);
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update_prompt = 0;
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}
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--- mc-2007-06-04-22/src/subshell.h.prompt 2004-12-03 20:17:47.000000000 +0100
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+++ mc-2007-06-04-22/src/subshell.h 2007-06-20 14:07:17.000000000 +0200
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@@ -20,6 +20,9 @@ extern enum subshell_state_enum subshell
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/* Holds the latest prompt captured from the subshell */
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extern char *subshell_prompt;
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+/* Holds the latest prompt captured from the subshell with terminal codes */
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+extern char *original_subshell_prompt;
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+
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/* For the `how' argument to various functions */
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enum {QUIETLY, VISIBLY};
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--- mc-2007-06-04-22/src/subshell.c.prompt 2007-06-20 14:07:17.000000000 +0200
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+++ mc-2007-06-04-22/src/subshell.c 2007-06-20 14:24:14.000000000 +0200
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@@ -107,6 +107,9 @@ enum subshell_state_enum subshell_state;
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/* Holds the latest prompt captured from the subshell */
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char *subshell_prompt = NULL;
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+/* Holds the latest prompt captured from the subshell with terminal codes */
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+char *original_subshell_prompt = NULL;
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+
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/* Initial length of the buffer for the subshell's prompt */
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#define INITIAL_PROMPT_SIZE 10
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@@ -148,6 +151,7 @@ static struct termios raw_mode;
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/* This counter indicates how many characters of prompt we have read */
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/* FIXME: try to figure out why this had to become global */
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static int prompt_pos;
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+static int original_prompt_pos;
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/*
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@@ -567,6 +571,7 @@ int invoke_subshell (const char *command
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init_subshell ();
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prompt_pos = 0;
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+ original_prompt_pos = 0;
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return quit;
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}
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@@ -576,6 +581,7 @@ int
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read_subshell_prompt (void)
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{
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static int prompt_size = INITIAL_PROMPT_SIZE;
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+ static int original_prompt_size = INITIAL_PROMPT_SIZE;
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int bytes = 0, i, rc = 0;
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struct timeval timeleft = { 0, 0 };
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@@ -586,7 +592,10 @@ read_subshell_prompt (void)
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if (subshell_prompt == NULL) { /* First time through */
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subshell_prompt = g_malloc (prompt_size);
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*subshell_prompt = '\0';
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+ original_subshell_prompt = g_malloc (original_prompt_size);
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+ *original_subshell_prompt = '\0';
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prompt_pos = 0;
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+ original_prompt_pos = 0;
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}
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while (subshell_alive
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@@ -607,20 +616,27 @@ read_subshell_prompt (void)
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/* Extract the prompt from the shell output */
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- for (i = 0; i < bytes; ++i)
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+ for (i = 0; i < bytes; ++i) {
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+ if (!pty_buffer[i])
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+ continue;
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+
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+ original_subshell_prompt[original_prompt_pos++] = pty_buffer[i];
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+ if (original_prompt_pos == original_prompt_size)
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+ original_subshell_prompt =
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+ g_realloc (original_subshell_prompt, original_prompt_size *= 2);
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+
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if (pty_buffer[i] == '\n' || pty_buffer[i] == '\r') {
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prompt_pos = 0;
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} else {
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- if (!pty_buffer[i])
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- continue;
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-
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subshell_prompt[prompt_pos++] = pty_buffer[i];
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if (prompt_pos == prompt_size)
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subshell_prompt =
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g_realloc (subshell_prompt, prompt_size *= 2);
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}
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+ }
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subshell_prompt[prompt_pos] = '\0';
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+ original_subshell_prompt[original_prompt_pos] = '\0';
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}
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if (rc == 0 && bytes == 0)
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return FALSE;
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@@ -743,6 +759,8 @@ subshell_name_quote (const char *s)
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void
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do_subshell_chdir (const char *directory, int do_update, int reset_prompt)
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{
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+ static char *old_subshell_prompt = NULL;
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+
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if (update_prompt) {
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- printf ("%s", subshell_prompt);
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- fflush (stdout);
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+ if (old_subshell_prompt == NULL
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+ || strcmp (old_subshell_prompt, subshell_prompt)) {
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if (!
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(subshell_state == INACTIVE
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&& strcmp (subshell_cwd, current_panel->cwd))) {
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@@ -750,8 +768,14 @@ do_subshell_chdir (const char *directory
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* the main program. Please note that in the code after this
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* if, the cd command that is sent will make the subshell
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* repaint the prompt, so we don't have to paint it. */
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- if (do_update)
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- do_update_prompt ();
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+ if (do_update) {
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+ if (old_subshell_prompt == NULL
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+ || strcmp (old_subshell_prompt, original_subshell_prompt)) {
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+ g_free (old_subshell_prompt);
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+ old_subshell_prompt = g_strdup (subshell_prompt);
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+ printf ("\r\n%s", subshell_prompt);
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+ fflush (stdout);
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+ old_subshell_prompt = g_strdup (original_subshell_prompt);
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+ do_update_prompt ();
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+ }
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+ }
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update_prompt = 0;
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return;
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}
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}
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@@ -802,8 +826,10 @@ do_subshell_chdir (const char *directory
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}
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}
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- if (reset_prompt)
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+ if (reset_prompt) {
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prompt_pos = 0;
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+ original_prompt_pos = 0;
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+ }
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update_prompt = FALSE;
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/* Make sure that MC never stores the CWD in a silly format */
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/* like /usr////lib/../bin, or the strcmp() above will fail */
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5
mc.spec
5
mc.spec
@ -3,7 +3,7 @@
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Summary: User-friendly text console file manager and visual shell
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Name: mc
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Version: 4.6.1a
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Release: 47.20070604cvs%{?dist}
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Release: 48.20070604cvs%{?dist}
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Epoch: 1
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License: GPL
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Group: System Environment/Shells
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@ -196,6 +196,9 @@ rm -rf $RPM_BUILD_ROOT
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%dir %{_libexecdir}/mc
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%changelog
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* Wed Jun 20 2007 Jindrich Novy <jnovy@redhat.com> 4.6.1a-48
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- fix displaying of prompt in subshell (#244025)
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* Tue Jun 19 2007 Jindrich Novy <jnovy@redhat.com> 4.6.1a-47
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- refresh contents of terminal when resized during time
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expensive I/O operations (#236502)
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