Backspace functionality refactored into linenoiseEditBackspace() function.
diff --git a/linenoise.c b/linenoise.c
index 8681637..896070c 100644
--- a/linenoise.c
+++ b/linenoise.c
@@ -416,6 +416,17 @@
}
}
+/* Backspace implementation. */
+void linenoiseEditBackspace(struct linenoiseState *l) {
+ if (l->pos > 0 && l->len > 0) {
+ memmove(l->buf+l->pos-1,l->buf+l->pos,l->len-l->pos);
+ l->pos--;
+ l->len--;
+ l->buf[l->len] = '\0';
+ refreshLine(l);
+ }
+}
+
/* This function is the core of the line editing capability of linenoise.
* It expects 'fd' to be already in "raw mode" so that every key pressed
* will be returned ASAP to read().
@@ -480,13 +491,7 @@
return -1;
case 127: /* backspace */
case 8: /* ctrl-h */
- if (l.pos > 0 && l.len > 0) {
- memmove(buf+l.pos-1,buf+l.pos,l.len - l.pos);
- l.pos--;
- l.len--;
- buf[l.len] = '\0';
- refreshLine(&l);
- }
+ linenoiseEditBackspace(&l);
break;
case 4: /* ctrl-d, remove char at right of cursor, or of the
line is empty, act as end-of-file. */
