1 | /* Testing ucs4le_internal_loop() in gconv_simple.c. |
2 | Copyright (C) 2016-2022 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 <stdio.h> |
20 | #include <errno.h> |
21 | #include <string.h> |
22 | #include <inttypes.h> |
23 | #include <iconv.h> |
24 | #include <byteswap.h> |
25 | #include <endian.h> |
26 | |
27 | static int |
28 | do_test (void) |
29 | { |
30 | iconv_t cd; |
31 | char *inptr; |
32 | size_t inlen; |
33 | char *outptr; |
34 | size_t outlen; |
35 | size_t n; |
36 | int e; |
37 | int result = 0; |
38 | |
39 | #if __BYTE_ORDER == __BIG_ENDIAN |
40 | /* On big-endian machines, ucs4le_internal_loop() swaps the bytes before |
41 | error checking. Thus the input values has to be swapped. */ |
42 | # define VALUE(val) bswap_32 (val) |
43 | #else |
44 | # define VALUE(val) val |
45 | #endif |
46 | uint32_t inbuf[3] = { VALUE (0x41), VALUE (0x80000000), VALUE (0x42) }; |
47 | uint32_t outbuf[3] = { 0, 0, 0 }; |
48 | |
49 | cd = iconv_open (tocode: "WCHAR_T" , fromcode: "UCS-4LE" ); |
50 | if (cd == (iconv_t) -1) |
51 | { |
52 | printf (format: "cannot convert from UCS4LE to wchar_t: %m\n" ); |
53 | return 1; |
54 | } |
55 | |
56 | inptr = (char *) inbuf; |
57 | inlen = sizeof (inbuf); |
58 | outptr = (char *) outbuf; |
59 | outlen = sizeof (outbuf); |
60 | |
61 | n = iconv (cd: cd, inbuf: &inptr, inbytesleft: &inlen, outbuf: &outptr, outbytesleft: &outlen); |
62 | e = errno; |
63 | |
64 | if (n != (size_t) -1) |
65 | { |
66 | printf (format: "incorrect iconv() return value: %zd, expected -1\n" , n); |
67 | result = 1; |
68 | } |
69 | |
70 | if (e != EILSEQ) |
71 | { |
72 | printf (format: "incorrect error value: %s, expected %s\n" , |
73 | strerror (errnum: e), strerror (EILSEQ)); |
74 | result = 1; |
75 | } |
76 | |
77 | if (inptr != (char *) &inbuf[1]) |
78 | { |
79 | printf (format: "inptr=0x%p does not point to invalid character! Expected=0x%p\n" |
80 | , inptr, &inbuf[1]); |
81 | result = 1; |
82 | } |
83 | |
84 | if (inlen != sizeof (inbuf) - sizeof (uint32_t)) |
85 | { |
86 | printf (format: "inlen=%zd != %zd\n" |
87 | , inlen, sizeof (inbuf) - sizeof (uint32_t)); |
88 | result = 1; |
89 | } |
90 | |
91 | if (outptr != (char *) &outbuf[1]) |
92 | { |
93 | printf (format: "outptr=0x%p does not point to invalid character in inbuf! " |
94 | "Expected=0x%p\n" |
95 | , outptr, &outbuf[1]); |
96 | result = 1; |
97 | } |
98 | |
99 | if (outlen != sizeof (inbuf) - sizeof (uint32_t)) |
100 | { |
101 | printf (format: "outlen=%zd != %zd\n" |
102 | , outlen, sizeof (outbuf) - sizeof (uint32_t)); |
103 | result = 1; |
104 | } |
105 | |
106 | if (outbuf[0] != 0x41 || outbuf[1] != 0 || outbuf[2] != 0) |
107 | { |
108 | puts (s: "Characters conversion is incorrect!" ); |
109 | result = 1; |
110 | } |
111 | |
112 | iconv_close (cd: cd); |
113 | |
114 | return result; |
115 | } |
116 | |
117 | #define TEST_FUNCTION do_test () |
118 | #include "../test-skeleton.c" |
119 | |