166 lines
6.7 KiB
Diff
166 lines
6.7 KiB
Diff
Fix Valgrind paste of >= 256 * (screen width) characters (as 130001).
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Invalid write of size 4
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at 0x8203BD9: rl_redisplay (display.c:812)
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by 0x81F5130: _rl_internal_char_cleanup (readline.c:427)
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by 0x81F52B3: readline_internal_char (readline.c:508)
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by 0x8209817: rl_callback_read_char (callback.c:184)
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by 0x8135312: rl_callback_read_char_wrapper (event-top.c:179)
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by 0x8135B7B: stdin_event_handler (event-top.c:432)
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by 0x81349F2: handle_file_event (event-loop.c:730)
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by 0x81342AB: process_event (event-loop.c:343)
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by 0x81342F4: gdb_do_one_event (event-loop.c:380)
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by 0x81313AC: catch_errors (exceptions.c:515)
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by 0x80CE8CA: tui_command_loop (tui-interp.c:151)
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by 0x81318B9: current_interp_command_loop (interps.c:278)
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Address 0x43DCEB8 is 0 bytes after a block of size 1,024 alloc'd
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at 0x4005400: malloc (vg_replace_malloc.c:149)
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by 0x8087084: xmalloc (utils.c:959)
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by 0x8202CA7: init_line_structures (display.c:440)
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by 0x8202D14: rl_redisplay (display.c:471)
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by 0x81F4F53: readline_internal_setup (readline.c:363)
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by 0x820958C: _rl_callback_newline (callback.c:89)
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by 0x82095BB: rl_callback_handler_install (callback.c:101)
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by 0x80CE896: tui_command_loop (tui-interp.c:138)
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by 0x81318B9: current_interp_command_loop (interps.c:278)
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by 0x807E69A: captured_command_loop (main.c:101)
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by 0x81313AC: catch_errors (exceptions.c:515)
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by 0x807F55A: captured_main (main.c:826)
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2006-11-08 Jan Kratochvil <jan.kratochvil@redhat.com>
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* readline/display.c (line_state, line_state_array, line_state_visible,
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line_state_invisible): Encapsulate _rl_wrapped_line, inv_lbreaks,
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inv_lbsize, vis_lbreaks, vis_lbsize, visible_line, invisible_line.
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(init_line_structures): Initialize both _rl_wrapped_line ones now.
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(rl_redisplay): Fix _rl_wrapped_line handling by using its own size.
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Swap whole `line_state_visible' / `line_state_invisible' structures.
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(update_line): Update for new `_rl_wrapped_line'.
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Index: ./readline/display.c
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===================================================================
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--- ./readline/display.c 5 May 2006 18:26:12 -0000 1.11
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+++ ./readline/display.c 8 Nov 2006 18:23:33 -0000
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@@ -73,15 +73,31 @@ static void delete_chars PARAMS((int));
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static void insert_some_chars PARAMS((char *, int, int));
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static void cr PARAMS((void));
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+struct line_state
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+ {
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+ char *line;
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+ int *lbreaks;
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+ int lbreaks_size;
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+#if defined (HANDLE_MULTIBYTE)
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+ int *wrapped_line;
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+ int wrapped_line_size;
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+#endif
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+ };
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+static struct line_state line_state_array[2];
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+static struct line_state *line_state_visible = &line_state_array[0];
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+static struct line_state *line_state_invisible = &line_state_array[1];
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+
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#if defined (HANDLE_MULTIBYTE)
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static int _rl_col_width PARAMS((const char *, int, int));
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-static int *_rl_wrapped_line;
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#else
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# define _rl_col_width(l, s, e) (((e) <= (s)) ? 0 : (e) - (s))
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#endif
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-static int *inv_lbreaks, *vis_lbreaks;
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-static int inv_lbsize, vis_lbsize;
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+/* FIXME: Backward compatible naming. */
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+#define inv_lbreaks (line_state_invisible->lbreaks)
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+#define inv_lbsize (line_state_invisible->lbreaks_size)
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+#define vis_lbreaks (line_state_visible->lbreaks)
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+#define vis_lbsize (line_state_visible->lbreaks_size)
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/* Heuristic used to decide whether it is faster to move from CUR to NEW
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by backing up or outputting a carriage return and moving forward. */
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@@ -150,8 +166,9 @@ static int last_lmargin;
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/* The line display buffers. One is the line currently displayed on
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the screen. The other is the line about to be displayed. */
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-static char *visible_line = (char *)NULL;
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-static char *invisible_line = (char *)NULL;
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+/* FIXME: Backward compatible naming. */
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+#define visible_line (line_state_visible->line)
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+#define invisible_line (line_state_invisible->line)
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/* A buffer for `modeline' messages. */
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static char msg_buf[128];
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@@ -437,7 +454,10 @@ init_line_structures (minsize)
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inv_lbreaks = (int *)xmalloc (inv_lbsize * sizeof (int));
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vis_lbreaks = (int *)xmalloc (vis_lbsize * sizeof (int));
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#if defined (HANDLE_MULTIBYTE)
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- _rl_wrapped_line = (int *)xmalloc (vis_lbsize * sizeof (int));
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+ line_state_visible->wrapped_line_size = vis_lbsize;
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+ line_state_visible->wrapped_line = (int *)xmalloc (line_state_visible->wrapped_line_size * sizeof (int));
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+ line_state_invisible->wrapped_line_size = inv_lbsize;
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+ line_state_invisible->wrapped_line = (int *)xmalloc (line_state_invisible->wrapped_line_size * sizeof (int));
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#endif
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inv_lbreaks[0] = vis_lbreaks[0] = 0;
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}
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@@ -572,10 +592,15 @@ rl_redisplay ()
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{ \
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inv_lbsize *= 2; \
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inv_lbreaks = (int *)xrealloc (inv_lbreaks, inv_lbsize * sizeof (int)); \
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- _rl_wrapped_line = (int *)xrealloc (_rl_wrapped_line, inv_lbsize * sizeof (int)); \
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} \
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inv_lbreaks[++newlines] = out; \
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- _rl_wrapped_line[newlines] = _rl_wrapped_multicolumn; \
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+ if (newlines >= (line_state_invisible->wrapped_line_size - 1)) \
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+ { \
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+ line_state_invisible->wrapped_line_size *= 2; \
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+ line_state_invisible->wrapped_line = (int *)xrealloc (line_state_invisible->wrapped_line, \
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+ line_state_invisible->wrapped_line_size * sizeof (int)); \
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+ } \
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+ line_state_invisible->wrapped_line[newlines] = _rl_wrapped_multicolumn; \
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lpos = 0; \
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} \
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} while (0)
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@@ -605,7 +630,7 @@ rl_redisplay ()
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#endif
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#if defined (HANDLE_MULTIBYTE)
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- memset (_rl_wrapped_line, 0, vis_lbsize);
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+ memset (line_state_invisible->wrapped_line, 0, line_state_invisible->wrapped_line_size * sizeof (int));
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num = 0;
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#endif
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@@ -1118,17 +1143,10 @@ rl_redisplay ()
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/* Swap visible and non-visible lines. */
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{
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- char *vtemp = visible_line;
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- int *itemp = vis_lbreaks, ntemp = vis_lbsize;
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-
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- visible_line = invisible_line;
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- invisible_line = vtemp;
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-
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- vis_lbreaks = inv_lbreaks;
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- inv_lbreaks = itemp;
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-
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- vis_lbsize = inv_lbsize;
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- inv_lbsize = ntemp;
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+ struct line_state *line_state_temp = line_state_visible;
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+
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+ line_state_visible = line_state_invisible;
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+ line_state_invisible = line_state_temp;
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rl_display_fixed = 0;
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/* If we are displaying on a single line, and last_lmargin is > 0, we
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@@ -1194,8 +1212,9 @@ update_line (old, new, current_line, oma
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/* This fixes only double-column characters, but if the wrapped
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character comsumes more than three columns, spaces will be
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inserted in the string buffer. */
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- if (_rl_wrapped_line[current_line] > 0)
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- _rl_clear_to_eol (_rl_wrapped_line[current_line]);
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+ if (current_line < line_state_visible->wrapped_line_size
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+ && line_state_visible->wrapped_line[current_line] > 0)
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+ _rl_clear_to_eol (line_state_visible->wrapped_line[current_line]);
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memset (&ps, 0, sizeof (mbstate_t));
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ret = mbrtowc (&wc, new, MB_CUR_MAX, &ps);
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