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-rw-r--r--iconvdata/Makefile2
-rw-r--r--iconvdata/bug-iconv11.c114
-rw-r--r--iconvdata/ibm930.c14
-rw-r--r--iconvdata/ibm933.c14
-rw-r--r--iconvdata/ibm935.c14
-rw-r--r--iconvdata/ibm937.c14
-rw-r--r--iconvdata/ibm939.c14
7 files changed, 125 insertions, 61 deletions
diff --git a/iconvdata/Makefile b/iconvdata/Makefile
index ae5dde60b4..357530b558 100644
--- a/iconvdata/Makefile
+++ b/iconvdata/Makefile
@@ -68,7 +68,7 @@ modules.so := $(addsuffix .so, $(modules))
ifeq (yes,$(build-shared))
tests = bug-iconv1 bug-iconv2 tst-loading tst-e2big tst-iconv4 bug-iconv4 \
tst-iconv6 bug-iconv5 bug-iconv6 tst-iconv7 bug-iconv8 bug-iconv9 \
- bug-iconv10
+ bug-iconv10 bug-iconv11
ifeq ($(have-thread-library),yes)
tests += bug-iconv3
endif
diff --git a/iconvdata/bug-iconv11.c b/iconvdata/bug-iconv11.c
new file mode 100644
index 0000000000..6cdc07d798
--- /dev/null
+++ b/iconvdata/bug-iconv11.c
@@ -0,0 +1,114 @@
+/* bug 19432: iconv rejects redundant escape sequences in IBM903,
+ IBM905, IBM907, and IBM909
+
+ Copyright (C) 2016 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.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 (" ==> %td: %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"
diff --git a/iconvdata/ibm930.c b/iconvdata/ibm930.c
index 1f60962d86..9d35734b3a 100644
--- a/iconvdata/ibm930.c
+++ b/iconvdata/ibm930.c
@@ -110,24 +110,14 @@ enum
\
if (__builtin_expect (ch, 0) == SO) \
{ \
- /* Shift OUT, change to DBCS converter. */ \
- if (curcs == db) \
- { \
- result = __GCONV_ILLEGAL_INPUT; \
- break; \
- } \
+ /* Shift OUT, change to DBCS converter (redundant escape okay). */ \
curcs = db; \
++inptr; \
continue; \
} \
else if (__builtin_expect (ch, 0) == SI) \
{ \
- /* Shift IN, change to SBCS converter */ \
- if (curcs == sb) \
- { \
- result = __GCONV_ILLEGAL_INPUT; \
- break; \
- } \
+ /* Shift IN, change to SBCS converter (redundant escape okay). */ \
curcs = sb; \
++inptr; \
continue; \
diff --git a/iconvdata/ibm933.c b/iconvdata/ibm933.c
index c984cd1733..669e357066 100644
--- a/iconvdata/ibm933.c
+++ b/iconvdata/ibm933.c
@@ -108,24 +108,14 @@ enum
\
if (__builtin_expect (ch, 0) == SO) \
{ \
- /* Shift OUT, change to DBCS converter. */ \
- if (curcs == db) \
- { \
- result = __GCONV_ILLEGAL_INPUT; \
- break; \
- } \
+ /* Shift OUT, change to DBCS converter (redundant escape okay). */ \
curcs = db; \
++inptr; \
continue; \
} \
else if (__builtin_expect (ch, 0) == SI) \
{ \
- /* Shift IN, change to SBCS converter. */ \
- if (curcs == sb) \
- { \
- result = __GCONV_ILLEGAL_INPUT; \
- break; \
- } \
+ /* Shift IN, change to SBCS converter (redundant escape okay). */ \
curcs = sb; \
++inptr; \
continue; \
diff --git a/iconvdata/ibm935.c b/iconvdata/ibm935.c
index 07f4bf2558..2d3065e54c 100644
--- a/iconvdata/ibm935.c
+++ b/iconvdata/ibm935.c
@@ -109,24 +109,14 @@ enum
\
if (__builtin_expect(ch, 0) == SO) \
{ \
- /* Shift OUT, change to DBCS converter. */ \
- if (curcs == db) \
- { \
- result = __GCONV_ILLEGAL_INPUT; \
- break; \
- } \
+ /* Shift OUT, change to DBCS converter (redundant escape okay). */ \
curcs = db; \
++inptr; \
continue; \
} \
else if (__builtin_expect (ch, 0) == SI) \
{ \
- /* Shift IN, change to SBCS converter. */ \
- if (curcs == sb) \
- { \
- result = __GCONV_ILLEGAL_INPUT; \
- break; \
- } \
+ /* Shift IN, change to SBCS converter (redundant escape okay). */ \
curcs = sb; \
++inptr; \
continue; \
diff --git a/iconvdata/ibm937.c b/iconvdata/ibm937.c
index 88344a445b..3ed6479366 100644
--- a/iconvdata/ibm937.c
+++ b/iconvdata/ibm937.c
@@ -109,24 +109,14 @@ enum
\
if (__builtin_expect (ch, 0) == SO) \
{ \
- /* Shift OUT, change to DBCS converter. */ \
- if (curcs == db) \
- { \
- result = __GCONV_ILLEGAL_INPUT; \
- break; \
- } \
+ /* Shift OUT, change to DBCS converter (redundant escape okay). */ \
curcs = db; \
++inptr; \
continue; \
} \
else if (__builtin_expect (ch, 0) == SI) \
{ \
- /* Shift IN, change to SBCS converter. */ \
- if (curcs == sb) \
- { \
- result = __GCONV_ILLEGAL_INPUT; \
- break; \
- } \
+ /* Shift IN, change to SBCS converter (redundant escape okay). */ \
curcs = sb; \
++inptr; \
continue; \
diff --git a/iconvdata/ibm939.c b/iconvdata/ibm939.c
index dbdda628a3..c0a75f7797 100644
--- a/iconvdata/ibm939.c
+++ b/iconvdata/ibm939.c
@@ -109,24 +109,14 @@ enum
\
if (__builtin_expect (ch, 0) == SO) \
{ \
- /* Shift OUT, change to DBCS converter. */ \
- if (curcs == db) \
- { \
- result = __GCONV_ILLEGAL_INPUT; \
- break; \
- } \
+ /* Shift OUT, change to DBCS converter (redundant escape okay). */ \
curcs = db; \
++inptr; \
continue; \
} \
else if (__builtin_expect (ch, 0) == SI) \
{ \
- /* Shift IN, change to SBCS converter. */ \
- if (curcs == sb) \
- { \
- result = __GCONV_ILLEGAL_INPUT; \
- break; \
- } \
+ /* Shift IN, change to SBCS converter (redundant escape okay). */ \
curcs = sb; \
++inptr; \
continue; \
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