1#include <errno.h>
2#include <iconv.h>
3#include <stdbool.h>
4#include <stdio.h>
5#include <stdlib.h>
6#include <string.h>
7
8#define UCS_STR "\x4e\x8c" /* EUC-TW 0xa2a2, EUC-JP 0x */
9
10static const char *to_code;
11
12static bool
13xiconv (iconv_t cd, int out_size)
14{
15 unsigned char euc[4];
16 char *inp = (char *) UCS_STR;
17 char *outp = (char *) euc;
18 size_t inbytesleft = strlen (UCS_STR);
19 size_t outbytesleft = out_size;
20 size_t ret;
21 bool fail = false;
22
23 errno = 0;
24 ret = iconv (cd: cd, inbuf: &inp, inbytesleft: &inbytesleft, outbuf: &outp, outbytesleft: &outbytesleft);
25 if (errno || ret == (size_t) -1)
26 {
27 fail = out_size == 4 || errno != E2BIG;
28 printf (format: "expected %d (E2BIG), got %d (%m)\n", E2BIG, errno);
29 }
30 else
31 {
32 printf (format: "%s: 0x%02x%02x\n", to_code, euc[0], euc[1]);
33 if (out_size == 1)
34 fail = true;
35 }
36
37 return fail;
38}
39
40
41static iconv_t
42xiconv_open (const char *code)
43{
44 iconv_t cd;
45 to_code = code;
46 errno = 0;
47 if (errno || (cd = iconv_open (tocode: to_code, fromcode: "UCS-2BE")) == (iconv_t) -1)
48 {
49 puts (s: "Can't open converter");
50 exit (status: 1);
51 }
52 return cd;
53}
54
55
56int
57main (void)
58{
59 iconv_t cd;
60 int result = 0;
61
62 cd = xiconv_open (code: "EUC-TW");
63 result |= xiconv (cd, out_size: 4) == true;
64 puts (s: "---");
65 result |= xiconv (cd, out_size: 1) == true;
66 puts (s: "---");
67 iconv_close (cd: cd);
68
69 cd = xiconv_open (code: "EUC-JP");
70 result |= xiconv (cd, out_size: 4) == true;
71 puts (s: "---");
72 result |= xiconv (cd, out_size: 1) == true;
73 puts (s: "---");
74 iconv_close (cd: cd);
75
76 return result;
77}
78

source code of glibc/iconvdata/bug-iconv4.c