1/*	$OpenBSD: test_gets.c,v 1.5 2017/07/07 23:55:21 bluhm Exp $	*/
2/*
3 * Copyright (c) 2016 Ingo Schwarze <schwarze@openbsd.org>
4 *
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 */
17
18#include <assert.h>
19#include <errno.h>
20#include <locale.h>
21#include <stdio.h>
22#include <wchar.h>
23#include <err.h>
24
25#include "chared.c"
26
27/*
28 * Glue for unit tests of libedit/chared.c.
29 * Rather than linking in all the various libedit modules,
30 * provide dummies for those functions called in chared.c.
31 * Most aren't actually called in c_gets().
32 */
33
34#define EL EditLine *el __attribute__((__unused__))
35#define UU __attribute__((__unused__))
36
37int hist_enlargebuf(EL, size_t oldsz UU, size_t newsz UU) { return 1; }
38void re_refresh(EL) { }
39void re_refresh_cursor(EL) { }
40void terminal_beep(EL) { putchar('\a'); }
41
42el_action_t
43ed_end_of_file(EditLine *el, wint_t c UU) {
44	*el->el_line.lastchar = '\0';
45	return CC_EOF;
46}
47
48int
49el_wgetc(EL, wchar_t *cp) {
50	return (*cp = getwchar()) != WEOF ? 1 : feof(stdin) ? 0 : -1;
51}
52
53#undef EL
54#undef UU
55
56/*
57 * Unit test steering program for editline/chared.c, c_gets().
58 */
59
60int
61main()
62{
63	EditLine el;
64	wchar_t buf[EL_BUFSIZ];
65	int i, len;
66
67	if (setlocale(LC_CTYPE, "") == NULL)
68		err(1, "setlocale");
69	if (ch_init(&el) == -1)
70		err(1, "ch_init");
71	while (feof(stdin) == 0) {
72		errno = 0;
73		if ((len = c_gets(&el, buf, L"$")) == -1) {
74			if (feof(stdin))
75				fputs("eof:", stdout);
76			if (ferror(stdin)) {
77				fputs("error:", stdout);
78				clearerr(stdin);
79			}
80			printf("%d:", errno);
81		}
82		printf("%d:", len);
83		if (len > 0) {
84			for (i = 0; i < len; i++)
85				putwchar(buf[i]);
86			putchar(':');
87			for (i = 1; i <= len; i++)
88				putwchar(el.el_line.buffer[i]);
89			puts(":");
90		} else
91			puts("::");
92		assert(el.el_line.buffer[0] == '\0');
93		assert(el.el_line.lastchar == el.el_line.buffer);
94		assert(el.el_line.cursor == el.el_line.buffer);
95	}
96	return 0;
97}
98