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authorAndrey A. Chernov <ache@FreeBSD.org>2007-11-07 04:34:03 +0000
committerAndrey A. Chernov <ache@FreeBSD.org>2007-11-07 04:34:03 +0000
commit856ca0bc92498c33fee8862b1b0632d1f66f2753 (patch)
treef5cb0e516b57ee618c23a683d5d3f4fb2818a0d6
parentfe4cca3e28d67256c2b8fff1a4cc2fdac6ed7bb3 (diff)
downloadsrc-vendor/libreadline.tar.gz
src-vendor/libreadline.zip
Official patches 3-7vendor/libreadline
Notes
Notes: svn path=/vendor/libreadline/dist/; revision=173403
-rw-r--r--contrib/libreadline/complete.c2
-rw-r--r--contrib/libreadline/display.c55
-rw-r--r--contrib/libreadline/input.c26
-rw-r--r--contrib/libreadline/isearch.c11
-rw-r--r--contrib/libreadline/misc.c2
-rw-r--r--contrib/libreadline/readline.c5
-rw-r--r--contrib/libreadline/text.c9
-rw-r--r--contrib/libreadline/vi_mode.c48
8 files changed, 140 insertions, 18 deletions
diff --git a/contrib/libreadline/complete.c b/contrib/libreadline/complete.c
index 73f834a68a79..5ff198d346a5 100644
--- a/contrib/libreadline/complete.c
+++ b/contrib/libreadline/complete.c
@@ -428,7 +428,7 @@ get_y_or_n (for_pager)
return (1);
if (c == 'n' || c == 'N' || c == RUBOUT)
return (0);
- if (c == ABORT_CHAR)
+ if (c == ABORT_CHAR || c < 0)
_rl_abort_internal ();
if (for_pager && (c == NEWLINE || c == RETURN))
return (2);
diff --git a/contrib/libreadline/display.c b/contrib/libreadline/display.c
index 8097919f4e28..be675ad618cb 100644
--- a/contrib/libreadline/display.c
+++ b/contrib/libreadline/display.c
@@ -1518,11 +1518,31 @@ update_line (old, new, current_line, omax, nmax, inv_botlin)
{
/* Non-zero if we're increasing the number of lines. */
int gl = current_line >= _rl_vis_botlin && inv_botlin > _rl_vis_botlin;
+ /* If col_lendiff is > 0, implying that the new string takes up more
+ screen real estate than the old, but lendiff is < 0, meaning that it
+ takes fewer bytes, we need to just output the characters starting
+ from the first difference. These will overwrite what is on the
+ display, so there's no reason to do a smart update. This can really
+ only happen in a multibyte environment. */
+ if (lendiff < 0)
+ {
+ _rl_output_some_chars (nfd, temp);
+ _rl_last_c_pos += _rl_col_width (nfd, 0, temp);
+ /* If nfd begins before any invisible characters in the prompt,
+ adjust _rl_last_c_pos to account for wrap_offset and set
+ cpos_adjusted to let the caller know. */
+ if (current_line == 0 && wrap_offset && ((nfd - new) <= prompt_last_invisible))
+ {
+ _rl_last_c_pos -= wrap_offset;
+ cpos_adjusted = 1;
+ }
+ return;
+ }
/* Sometimes it is cheaper to print the characters rather than
use the terminal's capabilities. If we're growing the number
of lines, make sure we actually cause the new line to wrap
around on auto-wrapping terminals. */
- if (_rl_terminal_can_insert && ((2 * col_temp) >= col_lendiff || _rl_term_IC) && (!_rl_term_autowrap || !gl))
+ else if (_rl_terminal_can_insert && ((2 * col_temp) >= col_lendiff || _rl_term_IC) && (!_rl_term_autowrap || !gl))
{
/* If lendiff > prompt_visible_length and _rl_last_c_pos == 0 and
_rl_horizontal_scroll_mode == 1, inserting the characters with
@@ -1598,8 +1618,22 @@ update_line (old, new, current_line, omax, nmax, inv_botlin)
temp = nls - nfd;
if (temp > 0)
{
+ /* If nfd begins at the prompt, or before the invisible
+ characters in the prompt, we need to adjust _rl_last_c_pos
+ in a multibyte locale to account for the wrap offset and
+ set cpos_adjusted accordingly. */
_rl_output_some_chars (nfd, temp);
- _rl_last_c_pos += _rl_col_width (nfd, 0, temp);;
+ if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+ {
+ _rl_last_c_pos += _rl_col_width (nfd, 0, temp);
+ if (current_line == 0 && wrap_offset && ((nfd - new) <= prompt_last_invisible))
+ {
+ _rl_last_c_pos -= wrap_offset;
+ cpos_adjusted = 1;
+ }
+ }
+ else
+ _rl_last_c_pos += temp;
}
}
/* Otherwise, print over the existing material. */
@@ -1607,8 +1641,20 @@ update_line (old, new, current_line, omax, nmax, inv_botlin)
{
if (temp > 0)
{
+ /* If nfd begins at the prompt, or before the invisible
+ characters in the prompt, we need to adjust _rl_last_c_pos
+ in a multibyte locale to account for the wrap offset and
+ set cpos_adjusted accordingly. */
_rl_output_some_chars (nfd, temp);
_rl_last_c_pos += col_temp; /* XXX */
+ if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
+ {
+ if (current_line == 0 && wrap_offset && ((nfd - new) <= prompt_last_invisible))
+ {
+ _rl_last_c_pos -= wrap_offset;
+ cpos_adjusted = 1;
+ }
+ }
}
lendiff = (oe - old) - (ne - new);
if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
@@ -1744,7 +1790,10 @@ _rl_move_cursor_relative (new, data)
if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
{
dpos = _rl_col_width (data, 0, new);
- if (dpos > prompt_last_invisible) /* XXX - don't use woff here */
+ /* Use NEW when comparing against the last invisible character in the
+ prompt string, since they're both buffer indices and DPOS is a
+ desired display position. */
+ if (new > prompt_last_invisible) /* XXX - don't use woff here */
{
dpos -= woff;
/* Since this will be assigned to _rl_last_c_pos at the end (more
diff --git a/contrib/libreadline/input.c b/contrib/libreadline/input.c
index da5d771c4818..b91548e51981 100644
--- a/contrib/libreadline/input.c
+++ b/contrib/libreadline/input.c
@@ -133,8 +133,11 @@ rl_get_char (key)
return (0);
*key = ibuffer[pop_index++];
-
+#if 0
if (pop_index >= ibuffer_len)
+#else
+ if (pop_index > ibuffer_len)
+#endif
pop_index = 0;
return (1);
@@ -250,7 +253,8 @@ rl_gather_tyi ()
while (chars_avail--)
{
k = (*rl_getc_function) (rl_instream);
- rl_stuff_char (k);
+ if (rl_stuff_char (k) == 0)
+ break; /* some problem; no more room */
if (k == NEWLINE || k == RETURN)
break;
}
@@ -373,7 +377,11 @@ rl_stuff_char (key)
RL_SETSTATE (RL_STATE_INPUTPENDING);
}
ibuffer[push_index++] = key;
+#if 0
if (push_index >= ibuffer_len)
+#else
+ if (push_index > ibuffer_len)
+#endif
push_index = 0;
return 1;
@@ -513,20 +521,26 @@ _rl_read_mbchar (mbchar, size)
char *mbchar;
int size;
{
- int mb_len = 0;
+ int mb_len, c;
size_t mbchar_bytes_length;
wchar_t wc;
mbstate_t ps, ps_back;
memset(&ps, 0, sizeof (mbstate_t));
memset(&ps_back, 0, sizeof (mbstate_t));
-
+
+ mb_len = 0;
while (mb_len < size)
{
RL_SETSTATE(RL_STATE_MOREINPUT);
- mbchar[mb_len++] = rl_read_key ();
+ c = rl_read_key ();
RL_UNSETSTATE(RL_STATE_MOREINPUT);
+ if (c < 0)
+ break;
+
+ mbchar[mb_len++] = c;
+
mbchar_bytes_length = mbrtowc (&wc, mbchar, mb_len, &ps);
if (mbchar_bytes_length == (size_t)(-1))
break; /* invalid byte sequence for the current locale */
@@ -564,7 +578,7 @@ _rl_read_mbstring (first, mb, mlen)
c = first;
memset (mb, 0, mlen);
- for (i = 0; i < mlen; i++)
+ for (i = 0; c >= 0 && i < mlen; i++)
{
mb[i] = (char)c;
memset (&ps, 0, sizeof (mbstate_t));
diff --git a/contrib/libreadline/isearch.c b/contrib/libreadline/isearch.c
index 9f67bfc08018..2ed459f1cd5e 100644
--- a/contrib/libreadline/isearch.c
+++ b/contrib/libreadline/isearch.c
@@ -327,8 +327,15 @@ _rl_isearch_dispatch (cxt, c)
rl_command_func_t *f;
f = (rl_command_func_t *)NULL;
-
- /* Translate the keys we do something with to opcodes. */
+
+ if (c < 0)
+ {
+ cxt->sflags |= SF_FAILED;
+ cxt->history_pos = cxt->last_found_line;
+ return -1;
+ }
+
+ /* Translate the keys we do something with to opcodes. */
if (c >= 0 && _rl_keymap[c].type == ISFUNC)
{
f = _rl_keymap[c].function;
diff --git a/contrib/libreadline/misc.c b/contrib/libreadline/misc.c
index 94ecb25900a0..e9c72c50cdb5 100644
--- a/contrib/libreadline/misc.c
+++ b/contrib/libreadline/misc.c
@@ -146,6 +146,8 @@ _rl_arg_dispatch (cxt, c)
rl_restore_prompt ();
rl_clear_message ();
RL_UNSETSTATE(RL_STATE_NUMERICARG);
+ if (key < 0)
+ return -1;
return (_rl_dispatch (key, _rl_keymap));
}
}
diff --git a/contrib/libreadline/readline.c b/contrib/libreadline/readline.c
index c2b74006b050..bd4d26376189 100644
--- a/contrib/libreadline/readline.c
+++ b/contrib/libreadline/readline.c
@@ -645,6 +645,11 @@ _rl_dispatch_callback (cxt)
if ((cxt->flags & KSEQ_DISPATCHED) == 0)
{
nkey = _rl_subseq_getchar (cxt->okey);
+ if (nkey < 0)
+ {
+ _rl_abort_internal ();
+ return -1;
+ }
r = _rl_dispatch_subseq (nkey, cxt->dmap, cxt->subseq_arg);
cxt->flags |= KSEQ_DISPATCHED;
}
diff --git a/contrib/libreadline/text.c b/contrib/libreadline/text.c
index 399a48c5f1e7..cb2f5ad20159 100644
--- a/contrib/libreadline/text.c
+++ b/contrib/libreadline/text.c
@@ -857,6 +857,9 @@ _rl_insert_next (count)
c = rl_read_key ();
RL_UNSETSTATE(RL_STATE_MOREINPUT);
+ if (c < 0)
+ return -1;
+
#if defined (HANDLE_SIGNALS)
if (RL_ISSTATE (RL_STATE_CALLBACK) == 0)
_rl_restore_tty_signals ();
@@ -1520,6 +1523,9 @@ _rl_char_search (count, fdir, bdir)
mb_len = _rl_read_mbchar (mbchar, MB_LEN_MAX);
+ if (mb_len <= 0)
+ return -1;
+
if (count < 0)
return (_rl_char_search_internal (-count, bdir, mbchar, mb_len));
else
@@ -1536,6 +1542,9 @@ _rl_char_search (count, fdir, bdir)
c = rl_read_key ();
RL_UNSETSTATE(RL_STATE_MOREINPUT);
+ if (c < 0)
+ return -1;
+
if (count < 0)
return (_rl_char_search_internal (-count, bdir, c));
else
diff --git a/contrib/libreadline/vi_mode.c b/contrib/libreadline/vi_mode.c
index d0b7e330adc4..b0da0abd247f 100644
--- a/contrib/libreadline/vi_mode.c
+++ b/contrib/libreadline/vi_mode.c
@@ -886,6 +886,13 @@ rl_vi_domove (key, nextkey)
RL_SETSTATE(RL_STATE_MOREINPUT);
c = rl_read_key ();
RL_UNSETSTATE(RL_STATE_MOREINPUT);
+
+ if (c < 0)
+ {
+ *nextkey = 0;
+ return -1;
+ }
+
*nextkey = c;
if (!member (c, vi_motion))
@@ -902,6 +909,11 @@ rl_vi_domove (key, nextkey)
RL_SETSTATE(RL_STATE_MOREINPUT);
c = rl_read_key (); /* real command */
RL_UNSETSTATE(RL_STATE_MOREINPUT);
+ if (c < 0)
+ {
+ *nextkey = 0;
+ return -1;
+ }
*nextkey = c;
}
else if (key == c && (key == 'd' || key == 'y' || key == 'c'))
@@ -1224,14 +1236,22 @@ static int
_rl_vi_callback_char_search (data)
_rl_callback_generic_arg *data;
{
+ int c;
#if defined (HANDLE_MULTIBYTE)
- _rl_vi_last_search_mblen = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
+ c = _rl_vi_last_search_mblen = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
#else
RL_SETSTATE(RL_STATE_MOREINPUT);
- _rl_vi_last_search_char = rl_read_key ();
+ c = rl_read_key ();
RL_UNSETSTATE(RL_STATE_MOREINPUT);
#endif
+ if (c <= 0)
+ return -1;
+
+#if !defined (HANDLE_MULTIBYTE)
+ _rl_vi_last_search_char = c;
+#endif
+
_rl_callback_func = 0;
_rl_want_redisplay = 1;
@@ -1247,6 +1267,7 @@ int
rl_vi_char_search (count, key)
int count, key;
{
+ int c;
#if defined (HANDLE_MULTIBYTE)
static char *target;
static int tlen;
@@ -1293,11 +1314,17 @@ rl_vi_char_search (count, key)
else
{
#if defined (HANDLE_MULTIBYTE)
- _rl_vi_last_search_mblen = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
+ c = _rl_read_mbchar (_rl_vi_last_search_mbchar, MB_LEN_MAX);
+ if (c <= 0)
+ return -1;
+ _rl_vi_last_search_mblen = c;
#else
RL_SETSTATE(RL_STATE_MOREINPUT);
- _rl_vi_last_search_char = rl_read_key ();
+ c = rl_read_key ();
RL_UNSETSTATE(RL_STATE_MOREINPUT);
+ if (c < 0)
+ return -1;
+ _rl_vi_last_search_char = c;
#endif
}
}
@@ -1467,6 +1494,9 @@ _rl_vi_callback_getchar (mb, mlen)
c = rl_read_key ();
RL_UNSETSTATE(RL_STATE_MOREINPUT);
+ if (c < 0)
+ return -1;
+
#if defined (HANDLE_MULTIBYTE)
if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
c = _rl_read_mbstring (c, mb, mlen);
@@ -1485,6 +1515,9 @@ _rl_vi_callback_change_char (data)
_rl_vi_last_replacement = c = _rl_vi_callback_getchar (mb, MB_LEN_MAX);
+ if (c < 0)
+ return -1;
+
_rl_callback_func = 0;
_rl_want_redisplay = 1;
@@ -1516,6 +1549,9 @@ rl_vi_change_char (count, key)
else
_rl_vi_last_replacement = c = _rl_vi_callback_getchar (mb, MB_LEN_MAX);
+ if (c < 0)
+ return -1;
+
return (_rl_vi_change_char (count, c, mb));
}
@@ -1650,7 +1686,7 @@ _rl_vi_set_mark ()
ch = rl_read_key ();
RL_UNSETSTATE(RL_STATE_MOREINPUT);
- if (ch < 'a' || ch > 'z')
+ if (ch < 0 || ch < 'a' || ch > 'z') /* make test against 0 explicit */
{
rl_ding ();
return -1;
@@ -1702,7 +1738,7 @@ _rl_vi_goto_mark ()
rl_point = rl_mark;
return 0;
}
- else if (ch < 'a' || ch > 'z')
+ else if (ch < 0 || ch < 'a' || ch > 'z') /* make test against 0 explicit */
{
rl_ding ();
return -1;