Ctrl-D exits when line is empty.

2019-09-22 16:07:28 -07:00 · 2019-09-22 16:07:28 -07:00 · 8e5b1497fa
commit 8e5b1497fa
parent 5d3344815d
1 changed files with 5 additions and 1 deletions
--- a/ask.c
+++ b/ask.c
@ -231,6 +231,7 @@ static char *get_input(FILE *in, FILE *out, const char *prompt, const char *init
            case '\r':
                goto finished;
            case KEY_CTRL_C: case KEY_ESC:
+              cleanup:
                free(buf);
                buf = NULL;
                picked = NULL;
@ -283,7 +284,10 @@ static char *get_input(FILE *in, FILE *out, const char *prompt, const char *init
                    buf[--len] = 0;
                }
                break;
-            case KEY_DELETE: case KEY_CTRL_D:
+            case KEY_CTRL_D:
+                if (len == 0) goto cleanup;
+                // fallthrough
+            case KEY_DELETE:
                if (b < len) {
                    memmove(buf+b, buf+b+1, (size_t)(len-b));
                    buf[--len] = 0;