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-rw-r--r--src/wreadln.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/src/wreadln.c b/src/wreadln.c
index 59026ed08..608141f64 100644
--- a/src/wreadln.c
+++ b/src/wreadln.c
@@ -21,6 +21,7 @@
#include "screen_utils.h"
#include "config.h"
+#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
@@ -132,6 +133,17 @@ wreadln_insert_byte(struct wreadln *wr, gint key)
cursor_move_right(wr);
}
+static void
+wreadln_delete_char(struct wreadln *wr, size_t x)
+{
+ size_t i;
+
+ assert(x < strlen(wr->line));
+
+ for (i = x; wr->line[i] != 0; i++)
+ wr->line[i] = wr->line[i + 1];
+}
+
/* libcurses version */
static gchar *
@@ -274,18 +286,15 @@ _wreadln(WINDOW *w,
case 127:
case KEY_BCKSPC: /* handle backspace: copy all */
case KEY_BACKSPACE: /* chars starting from curpos */
- if (wr.cursor > 0) {/* - 1 from buf[n+1] to buf */
- for (i = wr.cursor - 1; wr.line[i] != 0; i++)
- wr.line[i] = wr.line[i + 1];
+ if (wr.cursor > 0) { /* - 1 from buf[n+1] to buf */
cursor_move_left(&wr);
+ wreadln_delete_char(&wr, wr.cursor);
}
break;
case KEY_DC: /* handle delete key. As above */
case KEY_CTRL_D:
- if (wr.cursor <= utf8_width(wr.line) - 1) {
- for (i = wr.cursor; wr.line[i] != 0; i++)
- wr.line[i] = wr.line[i + 1];
- }
+ if (wr.line[wr.cursor] != 0)
+ wreadln_delete_char(&wr, wr.cursor);
break;
case KEY_UP:
case KEY_CTRL_P: