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authorAndreas Schwab <schwab@suse.de>2014-07-24 17:32:56 +0200
committerAndreas Schwab <schwab@suse.de>2015-12-15 13:40:20 +0100
commit42d6443faf5e8b5c70474923bfcc021b77ee0095 (patch)
tree130af99af6dc36309a7e59783c4ed2e1ad354bfc /iconvdata/bug-iconv10.c
parent04ae79a363e2a85096c4dbdf6d5469d3a19a6907 (diff)
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Don't emit invalid extra shift character at block boundary by iconv (bug 17197)
Diffstat (limited to 'iconvdata/bug-iconv10.c')
-rw-r--r--iconvdata/bug-iconv10.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/iconvdata/bug-iconv10.c b/iconvdata/bug-iconv10.c
new file mode 100644
index 0000000000..9a0541e0a0
--- /dev/null
+++ b/iconvdata/bug-iconv10.c
@@ -0,0 +1,94 @@
+/* bug 17197: check that iconv doesn't emit invalid extra shift character
+ Copyright (C) 2015 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
+ <http://www.gnu.org/licenses/>. */
+
+#include <iconv.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+static int
+do_test (void)
+{
+ static const char *charsets[] =
+ { "IBM930", "IBM933", "IBM935", "IBM937", "IBM939" };
+ static const char *expects[] =
+ { "\016\x44\x4d\017", "\016\x41\x63\017", "\016\x44\x4d\017",
+ "\016\x44\x4d\017", "\016\x44\x4d\017" };
+ int ret = 0;
+
+ for (int i = 0; i < sizeof (charsets) / sizeof (*charsets); i++)
+ {
+ const char *charset = charsets[i];
+ iconv_t cd = iconv_open (charset, "UTF-8");
+ if (cd == (iconv_t) -1)
+ {
+ printf ("iconv_open failed (%s)\n", charset);
+ ret = 1;
+ continue;
+ }
+
+ char input[] = "\xe2\x88\x9e.";
+ const char *expect1 = expects[i];
+ const char expect2[] = "\x4b";
+ size_t input_len = sizeof (input);
+ char output[4];
+ size_t inlen = input_len;
+ size_t outlen = sizeof (output);
+ char *inptr = input;
+ char *outptr = output;
+ /* First round: expect conversion to stop before ".". */
+ size_t r = iconv (cd, &inptr, &inlen, &outptr, &outlen);
+ if (r != -1
+ || errno != E2BIG
+ || inlen != 2
+ || inptr != input + input_len - 2
+ || outlen != 0
+ || memcmp (output, expect1, sizeof (output)) != 0)
+ {
+ printf ("wrong first conversion (%s)", charset);
+ ret = 1;
+ goto do_close;
+ }
+
+ outlen = sizeof (output);
+ outptr = output;
+ r = iconv (cd, &inptr, &inlen, &outptr, &outlen);
+ if (r != 0
+ || inlen != 0
+ || outlen != sizeof (output) - sizeof (expect2)
+ || memcmp (output, expect2, sizeof (expect2)) != 0)
+ {
+ printf ("wrong second conversion (%s)\n", charset);
+ ret = 1;
+ }
+
+ do_close:
+ if (iconv_close (cd) != 0)
+ {
+ printf ("iconv_close failed (%s)\n", charset);
+ ret = 1;
+ continue;
+ }
+ }
+ return ret;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"