diff options
Diffstat (limited to 'iconvdata/bug-iconv14.c')
| -rw-r--r-- | iconvdata/bug-iconv14.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/iconvdata/bug-iconv14.c b/iconvdata/bug-iconv14.c new file mode 100644 index 0000000000..902f140fa9 --- /dev/null +++ b/iconvdata/bug-iconv14.c @@ -0,0 +1,127 @@ +/* Assertion in ISO-2022-JP-3 due to two-character sequence (bug 27256). + Copyright (C) 2021 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 <string.h> +#include <errno.h> +#include <support/check.h> + +/* Use an escape sequence to return to the initial state. */ +static void +with_escape_sequence (void) +{ + iconv_t c = iconv_open ("UTF-8", "ISO-2022-JP-3"); + TEST_VERIFY_EXIT (c != (iconv_t) -1); + + char in[] = "\e$(O+D\e(B"; + char *inbuf = in; + size_t inleft = strlen (in); + char out[3]; /* Space for one output character. */ + char *outbuf; + size_t outleft; + + outbuf = out; + outleft = sizeof (out); + TEST_COMPARE (iconv (c, &inbuf, &inleft, &outbuf, &outleft), (size_t) -1); + TEST_COMPARE (errno, E2BIG); + TEST_COMPARE (inleft, 3); + TEST_COMPARE (inbuf - in, strlen (in) - 3); + TEST_COMPARE (outleft, sizeof (out) - 2); + TEST_COMPARE (outbuf - out, 2); + TEST_COMPARE (out[0] & 0xff, 0xc3); + TEST_COMPARE (out[1] & 0xff, 0xa6); + + /* Return to the initial shift state, producing the pending + character. */ + outbuf = out; + outleft = sizeof (out); + TEST_COMPARE (iconv (c, &inbuf, &inleft, &outbuf, &outleft), 0); + TEST_COMPARE (inleft, 0); + TEST_COMPARE (inbuf - in, strlen (in)); + TEST_COMPARE (outleft, sizeof (out) - 2); + TEST_COMPARE (outbuf - out, 2); + TEST_COMPARE (out[0] & 0xff, 0xcc); + TEST_COMPARE (out[1] & 0xff, 0x80); + + /* Nothing should be flushed the second time. */ + outbuf = out; + outleft = sizeof (out); + TEST_COMPARE (iconv (c, NULL, 0, &outbuf, &outleft), 0); + TEST_COMPARE (outleft, sizeof (out)); + TEST_COMPARE (outbuf - out, 0); + TEST_COMPARE (out[0] & 0xff, 0xcc); + TEST_COMPARE (out[1] & 0xff, 0x80); + + TEST_COMPARE (iconv_close (c), 0); +} + +/* Use an explicit flush to return to the initial state. */ +static void +with_flush (void) +{ + iconv_t c = iconv_open ("UTF-8", "ISO-2022-JP-3"); + TEST_VERIFY_EXIT (c != (iconv_t) -1); + + char in[] = "\e$(O+D"; + char *inbuf = in; + size_t inleft = strlen (in); + char out[3]; /* Space for one output character. */ + char *outbuf; + size_t outleft; + + outbuf = out; + outleft = sizeof (out); + TEST_COMPARE (iconv (c, &inbuf, &inleft, &outbuf, &outleft), (size_t) -1); + TEST_COMPARE (errno, E2BIG); + TEST_COMPARE (inleft, 0); + TEST_COMPARE (inbuf - in, strlen (in)); + TEST_COMPARE (outleft, sizeof (out) - 2); + TEST_COMPARE (outbuf - out, 2); + TEST_COMPARE (out[0] & 0xff, 0xc3); + TEST_COMPARE (out[1] & 0xff, 0xa6); + + /* Flush the pending character. */ + outbuf = out; + outleft = sizeof (out); + TEST_COMPARE (iconv (c, NULL, 0, &outbuf, &outleft), 0); + TEST_COMPARE (outleft, sizeof (out) - 2); + TEST_COMPARE (outbuf - out, 2); + TEST_COMPARE (out[0] & 0xff, 0xcc); + TEST_COMPARE (out[1] & 0xff, 0x80); + + /* Nothing should be flushed the second time. */ + outbuf = out; + outleft = sizeof (out); + TEST_COMPARE (iconv (c, NULL, 0, &outbuf, &outleft), 0); + TEST_COMPARE (outleft, sizeof (out)); + TEST_COMPARE (outbuf - out, 0); + TEST_COMPARE (out[0] & 0xff, 0xcc); + TEST_COMPARE (out[1] & 0xff, 0x80); + + TEST_COMPARE (iconv_close (c), 0); +} + +static int +do_test (void) +{ + with_escape_sequence (); + with_flush (); + return 0; +} + +#include <support/test-driver.c> |