1 | /* Bug 28524: Conversion from ISO-2022-JP-3 with iconv |
2 | may emit spurious NUL character on state reset. |
3 | Copyright The GNU Toolchain Authors. |
4 | This file is part of the GNU C Library. |
5 | |
6 | The GNU C Library is free software; you can redistribute it and/or |
7 | modify it under the terms of the GNU Lesser General Public |
8 | License as published by the Free Software Foundation; either |
9 | version 2.1 of the License, or (at your option) any later version. |
10 | |
11 | The GNU C Library is distributed in the hope that it will be useful, |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | Lesser General Public License for more details. |
15 | |
16 | You should have received a copy of the GNU Lesser General Public |
17 | License along with the GNU C Library; if not, see |
18 | <https://www.gnu.org/licenses/>. */ |
19 | |
20 | #include <stddef.h> |
21 | #include <iconv.h> |
22 | #include <support/check.h> |
23 | |
24 | static int |
25 | do_test (void) |
26 | { |
27 | char in[] = "\x1b(I" ; |
28 | char *inbuf = in; |
29 | size_t inleft = sizeof (in) - 1; |
30 | char out[1]; |
31 | char *outbuf = out; |
32 | size_t outleft = sizeof (out); |
33 | iconv_t cd; |
34 | |
35 | cd = iconv_open (tocode: "UTF8" , fromcode: "ISO-2022-JP-3" ); |
36 | TEST_VERIFY_EXIT (cd != (iconv_t) -1); |
37 | |
38 | /* First call to iconv should alter internal state. |
39 | Now, JISX0201_Kana_set is selected and |
40 | state value != ASCII_set. */ |
41 | TEST_VERIFY (iconv (cd, &inbuf, &inleft, &outbuf, &outleft) != (size_t) -1); |
42 | |
43 | /* No bytes should have been added to |
44 | the output buffer at this point. */ |
45 | TEST_VERIFY (outbuf == out); |
46 | TEST_VERIFY (outleft == sizeof (out)); |
47 | |
48 | /* Second call shall emit spurious NUL character in unpatched glibc. */ |
49 | TEST_VERIFY (iconv (cd, NULL, NULL, &outbuf, &outleft) != (size_t) -1); |
50 | |
51 | /* No characters are expected to be produced. */ |
52 | TEST_VERIFY (outbuf == out); |
53 | TEST_VERIFY (outleft == sizeof (out)); |
54 | |
55 | TEST_VERIFY_EXIT (iconv_close (cd) != -1); |
56 | |
57 | return 0; |
58 | } |
59 | |
60 | #include <support/test-driver.c> |
61 | |