1 | /* bug 17197: check that iconv doesn't emit invalid extra shift character |
2 | Copyright (C) 2015-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <iconv.h> |
20 | #include <locale.h> |
21 | #include <stdio.h> |
22 | #include <stdlib.h> |
23 | #include <string.h> |
24 | #include <errno.h> |
25 | |
26 | static int |
27 | do_test (void) |
28 | { |
29 | static const char *charsets[] = |
30 | { "IBM930" , "IBM933" , "IBM935" , "IBM937" , "IBM939" }; |
31 | static const char *expects[] = |
32 | { "\016\x44\x4d\017" , "\016\x41\x63\017" , "\016\x44\x4d\017" , |
33 | "\016\x44\x4d\017" , "\016\x44\x4d\017" }; |
34 | int ret = 0; |
35 | |
36 | for (int i = 0; i < sizeof (charsets) / sizeof (*charsets); i++) |
37 | { |
38 | const char *charset = charsets[i]; |
39 | iconv_t cd = iconv_open (tocode: charset, fromcode: "UTF-8" ); |
40 | if (cd == (iconv_t) -1) |
41 | { |
42 | printf (format: "iconv_open failed (%s)\n" , charset); |
43 | ret = 1; |
44 | continue; |
45 | } |
46 | |
47 | char input[] = "\xe2\x88\x9e." ; |
48 | const char *expect1 = expects[i]; |
49 | const char expect2[] = "\x4b" ; |
50 | size_t input_len = sizeof (input); |
51 | char output[4]; |
52 | size_t inlen = input_len; |
53 | size_t outlen = sizeof (output); |
54 | char *inptr = input; |
55 | char *outptr = output; |
56 | /* First round: expect conversion to stop before ".". */ |
57 | size_t r = iconv (cd: cd, inbuf: &inptr, inbytesleft: &inlen, outbuf: &outptr, outbytesleft: &outlen); |
58 | if (r != -1 |
59 | || errno != E2BIG |
60 | || inlen != 2 |
61 | || inptr != input + input_len - 2 |
62 | || outlen != 0 |
63 | || memcmp (s1: output, s2: expect1, n: sizeof (output)) != 0) |
64 | { |
65 | printf (format: "wrong first conversion (%s)" , charset); |
66 | ret = 1; |
67 | goto do_close; |
68 | } |
69 | |
70 | outlen = sizeof (output); |
71 | outptr = output; |
72 | r = iconv (cd: cd, inbuf: &inptr, inbytesleft: &inlen, outbuf: &outptr, outbytesleft: &outlen); |
73 | if (r != 0 |
74 | || inlen != 0 |
75 | || outlen != sizeof (output) - sizeof (expect2) |
76 | || memcmp (s1: output, s2: expect2, n: sizeof (expect2)) != 0) |
77 | { |
78 | printf (format: "wrong second conversion (%s)\n" , charset); |
79 | ret = 1; |
80 | } |
81 | |
82 | do_close: |
83 | if (iconv_close (cd: cd) != 0) |
84 | { |
85 | printf (format: "iconv_close failed (%s)\n" , charset); |
86 | ret = 1; |
87 | continue; |
88 | } |
89 | } |
90 | return ret; |
91 | } |
92 | |
93 | #define TEST_FUNCTION do_test () |
94 | #include "../test-skeleton.c" |
95 | |