1 #include <errno.h>
2 #include <stdio.h>
3 #include <stdlib.h>
4 #include <unistd.h>
5 #include <wchar.h>
6
7
8 static const struct
9 {
10 const char *enc;
11 const char *data;
12 size_t datalen;
13 const wchar_t *expected;
14 size_t expectedlen;
15 } tests[] =
16 {
17 { "UCS-4LE", "a\0\0\0b\0\0\0", 8, L"ab", 2 },
18 { "UCS-4BE", "\0\0\0a\0\0\0b", 8, L"ab", 2 },
19 };
20 #define ntests (sizeof (tests) / sizeof (tests[0]))
21
22
23 static int do_test (void);
24 #define TEST_FUNCTION do_test ()
25
26 static void prepare (void);
27 #define PREPARE(argc, argv) prepare ();
28
29 #include "../test-skeleton.c"
30
31
32 static int fd;
33 static char *tmpname;
34
35
36 static void
prepare(void)37 prepare (void)
38 {
39 fd = create_temp_file ("tst-fopenloc2", &tmpname);
40 if (fd == -1)
41 {
42 puts ("cannot open temp file");
43 exit (1);
44 }
45 }
46
47
48 static int
do_test(void)49 do_test (void)
50 {
51 for (int i = 0; i < ntests; ++i)
52 {
53 if (ftruncate (fd, 0) != 0)
54 {
55 printf ("ftruncate in round %d failed\n", i + 1);
56 return 1;
57 }
58
59 if (TEMP_FAILURE_RETRY (write (fd, tests[i].data, tests[i].datalen))
60 != tests[i].datalen)
61 {
62 printf ("write in round %d failed\n", i + 1);
63 return 1;
64 }
65
66 if (lseek (fd, 0, SEEK_SET) != 0)
67 {
68 printf ("lseek in round %d failed\n", i + 1);
69 return 1;
70 }
71
72 char *ccs;
73 if (asprintf (&ccs, "r,ccs=%s", tests[i].enc) == -1)
74 {
75 printf ("asprintf in round %d failed\n", i + 1);
76 return 1;
77 }
78
79 FILE *fp = fopen (tmpname, ccs);
80 if (fp == NULL)
81 {
82 printf ("fopen in round %d failed\n", i + 1);
83 return 1;
84 }
85
86 #define LINELEN 100
87 wchar_t line[LINELEN];
88 if (fgetws (line, LINELEN, fp) != line)
89 {
90 printf ("fgetws in round %d failed\n", i + 1);
91 return 1;
92 }
93
94 if (wcslen (line) != tests[i].expectedlen)
95 {
96 printf ("round %d: expected length %zu, got length %zu\n",
97 i + 1, tests[i].expectedlen, wcslen (line));
98 return 1;
99 }
100
101 if (wcscmp (tests[i].expected, line) != 0)
102 {
103 printf ("round %d: expected L\"%ls\", got L\"%ls\"\n",
104 i + 1, tests[i].expected, line);
105 return 1;
106 }
107
108 fclose (fp);
109
110 free (ccs);
111 }
112
113 close (fd);
114
115 return 0;
116 }
117