1 | /* Assertion in ISO-2022-JP-3 due to two-character sequence (bug 27256). |
2 | Copyright (C) 2021-2022 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 <string.h> |
21 | #include <errno.h> |
22 | #include <support/check.h> |
23 | |
24 | /* Use an escape sequence to return to the initial state. */ |
25 | static void |
26 | with_escape_sequence (void) |
27 | { |
28 | iconv_t c = iconv_open (tocode: "UTF-8" , fromcode: "ISO-2022-JP-3" ); |
29 | TEST_VERIFY_EXIT (c != (iconv_t) -1); |
30 | |
31 | char in[] = "\e$(O+D\e(B" ; |
32 | char *inbuf = in; |
33 | size_t inleft = strlen (s: in); |
34 | char out[3]; /* Space for one output character. */ |
35 | char *outbuf; |
36 | size_t outleft; |
37 | |
38 | outbuf = out; |
39 | outleft = sizeof (out); |
40 | TEST_COMPARE (iconv (c, &inbuf, &inleft, &outbuf, &outleft), (size_t) -1); |
41 | TEST_COMPARE (errno, E2BIG); |
42 | TEST_COMPARE (inleft, 3); |
43 | TEST_COMPARE (inbuf - in, strlen (in) - 3); |
44 | TEST_COMPARE (outleft, sizeof (out) - 2); |
45 | TEST_COMPARE (outbuf - out, 2); |
46 | TEST_COMPARE (out[0] & 0xff, 0xc3); |
47 | TEST_COMPARE (out[1] & 0xff, 0xa6); |
48 | |
49 | /* Return to the initial shift state, producing the pending |
50 | character. */ |
51 | outbuf = out; |
52 | outleft = sizeof (out); |
53 | TEST_COMPARE (iconv (c, &inbuf, &inleft, &outbuf, &outleft), 0); |
54 | TEST_COMPARE (inleft, 0); |
55 | TEST_COMPARE (inbuf - in, strlen (in)); |
56 | TEST_COMPARE (outleft, sizeof (out) - 2); |
57 | TEST_COMPARE (outbuf - out, 2); |
58 | TEST_COMPARE (out[0] & 0xff, 0xcc); |
59 | TEST_COMPARE (out[1] & 0xff, 0x80); |
60 | |
61 | /* Nothing should be flushed the second time. */ |
62 | outbuf = out; |
63 | outleft = sizeof (out); |
64 | TEST_COMPARE (iconv (c, NULL, 0, &outbuf, &outleft), 0); |
65 | TEST_COMPARE (outleft, sizeof (out)); |
66 | TEST_COMPARE (outbuf - out, 0); |
67 | TEST_COMPARE (out[0] & 0xff, 0xcc); |
68 | TEST_COMPARE (out[1] & 0xff, 0x80); |
69 | |
70 | TEST_COMPARE (iconv_close (c), 0); |
71 | } |
72 | |
73 | /* Use an explicit flush to return to the initial state. */ |
74 | static void |
75 | with_flush (void) |
76 | { |
77 | iconv_t c = iconv_open (tocode: "UTF-8" , fromcode: "ISO-2022-JP-3" ); |
78 | TEST_VERIFY_EXIT (c != (iconv_t) -1); |
79 | |
80 | char in[] = "\e$(O+D" ; |
81 | char *inbuf = in; |
82 | size_t inleft = strlen (s: in); |
83 | char out[3]; /* Space for one output character. */ |
84 | char *outbuf; |
85 | size_t outleft; |
86 | |
87 | outbuf = out; |
88 | outleft = sizeof (out); |
89 | TEST_COMPARE (iconv (c, &inbuf, &inleft, &outbuf, &outleft), (size_t) -1); |
90 | TEST_COMPARE (errno, E2BIG); |
91 | TEST_COMPARE (inleft, 0); |
92 | TEST_COMPARE (inbuf - in, strlen (in)); |
93 | TEST_COMPARE (outleft, sizeof (out) - 2); |
94 | TEST_COMPARE (outbuf - out, 2); |
95 | TEST_COMPARE (out[0] & 0xff, 0xc3); |
96 | TEST_COMPARE (out[1] & 0xff, 0xa6); |
97 | |
98 | /* Flush the pending character. */ |
99 | outbuf = out; |
100 | outleft = sizeof (out); |
101 | TEST_COMPARE (iconv (c, NULL, 0, &outbuf, &outleft), 0); |
102 | TEST_COMPARE (outleft, sizeof (out) - 2); |
103 | TEST_COMPARE (outbuf - out, 2); |
104 | TEST_COMPARE (out[0] & 0xff, 0xcc); |
105 | TEST_COMPARE (out[1] & 0xff, 0x80); |
106 | |
107 | /* Nothing should be flushed the second time. */ |
108 | outbuf = out; |
109 | outleft = sizeof (out); |
110 | TEST_COMPARE (iconv (c, NULL, 0, &outbuf, &outleft), 0); |
111 | TEST_COMPARE (outleft, sizeof (out)); |
112 | TEST_COMPARE (outbuf - out, 0); |
113 | TEST_COMPARE (out[0] & 0xff, 0xcc); |
114 | TEST_COMPARE (out[1] & 0xff, 0x80); |
115 | |
116 | TEST_COMPARE (iconv_close (c), 0); |
117 | } |
118 | |
119 | static int |
120 | do_test (void) |
121 | { |
122 | with_escape_sequence (); |
123 | with_flush (); |
124 | return 0; |
125 | } |
126 | |
127 | #include <support/test-driver.c> |
128 | |