mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-27 07:20:11 +00:00
116 lines
3.7 KiB
C
116 lines
3.7 KiB
C
/* bug 19432: iconv rejects redundant escape sequences in IBM903,
|
|
IBM905, IBM907, and IBM909
|
|
|
|
Copyright (C) 2016-2020 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <iconv.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <limits.h>
|
|
|
|
// The longest test input sequence.
|
|
#define MAXINBYTES 8
|
|
#define MAXOUTBYTES (MAXINBYTES * MB_LEN_MAX)
|
|
|
|
/* Verify that a conversion of the INPUT sequence consisting of
|
|
INBYTESLEFT bytes in the encoding specified by the codeset
|
|
named by FROM_SET is successful.
|
|
Return 0 on success, non-zero on iconv() failure. */
|
|
|
|
static int
|
|
test_ibm93x (const char *from_set, const char *input, size_t inbytesleft)
|
|
{
|
|
const char to_set[] = "UTF-8";
|
|
iconv_t cd = iconv_open (to_set, from_set);
|
|
if (cd == (iconv_t) -1)
|
|
{
|
|
printf ("iconv_open(\"%s\", \"%s\"): %s\n",
|
|
from_set, to_set, strerror (errno));
|
|
return 1;
|
|
}
|
|
|
|
char output [MAXOUTBYTES];
|
|
size_t outbytesleft = sizeof output;
|
|
|
|
char *inbuf = (char*)input;
|
|
char *outbuf = output;
|
|
|
|
printf ("iconv(cd, %p, %zu, %p, %zu)\n",
|
|
inbuf, inbytesleft, outbuf, outbytesleft);
|
|
|
|
errno = 0;
|
|
size_t ret = iconv (cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
|
|
printf (" ==> %zu: %s\n"
|
|
" inbuf%+td, inbytesleft=%zu, outbuf%+td, outbytesleft=%zu\n",
|
|
ret, strerror (errno),
|
|
inbuf - input, inbytesleft, outbuf - output, outbytesleft);
|
|
|
|
// Return 0 on success, non-zero on iconv() failure.
|
|
return ret == (size_t)-1 || errno;
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
// State-dependent encodings to exercise.
|
|
static const char* const to_code[] = {
|
|
"IBM930", "IBM933", "IBM935", "IBM937", "IBM939"
|
|
};
|
|
|
|
static const size_t ncodesets = sizeof to_code / sizeof *to_code;
|
|
|
|
static const struct {
|
|
char txt[MAXINBYTES];
|
|
size_t len;
|
|
} input[] = {
|
|
#define DATA(s) { s, sizeof s - 1 }
|
|
/* <SI>: denotes the shift-in 1-byte escape sequence, changing
|
|
the encoder from a sigle-byte encoding to multibyte
|
|
<SO>: denotes the shift-out 1-byte escape sequence, switching
|
|
the encoder from a multibyte to a single-byte state */
|
|
|
|
DATA ("\x0e"), // <SI> (not redundant)
|
|
DATA ("\x0f"), // <S0> (redundant with initial state)
|
|
DATA ("\x0e\x0e"), // <SI><SI>
|
|
DATA ("\x0e\x0f\x0f"), // <SI><SO><SO>
|
|
DATA ("\x0f\x0f"), // <SO><SO>
|
|
DATA ("\x0f\x0e\x0e"), // <SO><SI><SI>
|
|
DATA ("\x0e\x0f\xc7\x0f"), // <SI><SO><G><SO>
|
|
DATA ("\xc7\x0f") // <G><SO> (redundant with initial state)
|
|
};
|
|
|
|
static const size_t ninputs = sizeof input / sizeof *input;
|
|
|
|
int ret = 0;
|
|
|
|
size_t i, j;
|
|
|
|
/* Iterate over the IBM93x codesets above and exercise each with
|
|
the input sequences above. */
|
|
for (i = 0; i != ncodesets; ++i)
|
|
for (j = 0; j != ninputs; ++j)
|
|
ret += test_ibm93x (to_code [i], input [i].txt, input [i].len);
|
|
|
|
return ret;
|
|
}
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../test-skeleton.c"
|