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authorUlrich Drepper <drepper@gmail.com>2011-05-14 11:37:36 -0400
committerUlrich Drepper <drepper@gmail.com>2011-05-14 11:37:36 -0400
commit98d76b46d2db565b22be647d611cc2649ba6ff87 (patch)
tree3b9b043995b0b9e9a4c4c0980e5ff5781fc948cf /iconvdata
parent32ad1972a8e458a555c58ca28d272ef7009d3514 (diff)
downloadglibc-98d76b46d2db565b22be647d611cc2649ba6ff87.zip
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Fix handling of conversion problem in CP932 module
Diffstat (limited to 'iconvdata')
-rw-r--r--iconvdata/Makefile2
-rw-r--r--iconvdata/bug-iconv8.c43
-rw-r--r--iconvdata/cp932.c76
3 files changed, 81 insertions, 40 deletions
diff --git a/iconvdata/Makefile b/iconvdata/Makefile
index d79756c..e0fe46a 100644
--- a/iconvdata/Makefile
+++ b/iconvdata/Makefile
@@ -68,7 +68,7 @@ include ../Makeconfig
ifeq (yes,$(build-shared))
tests = bug-iconv1 bug-iconv2 tst-loading tst-e2big tst-iconv4 bug-iconv4 \
- tst-iconv6 bug-iconv5 bug-iconv6 tst-iconv7
+ tst-iconv6 bug-iconv5 bug-iconv6 tst-iconv7 bug-iconv8
ifeq ($(have-thread-library),yes)
tests += bug-iconv3
endif
diff --git a/iconvdata/bug-iconv8.c b/iconvdata/bug-iconv8.c
new file mode 100644
index 0000000..54c6be2
--- /dev/null
+++ b/iconvdata/bug-iconv8.c
@@ -0,0 +1,43 @@
+// BZ 12601
+#include <stdio.h>
+#include <errno.h>
+#include <iconv.h>
+
+static int
+do_test (void)
+{
+ iconv_t cd;
+ char in[] = "\x83\xd9";
+ char out[256];
+ char *inbuf;
+ size_t inbytesleft;
+ char *outbuf;
+ size_t outbytesleft;
+ size_t ret;
+
+ inbuf = in;
+ inbytesleft = sizeof(in) - 1;
+ outbuf = out;
+ outbytesleft = sizeof(out);
+
+ cd = iconv_open("utf-8", "cp932");
+ ret = iconv(cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
+ iconv_close(cd);
+
+ printf("result: %ld %d %ld %d\n", ret, errno, inbytesleft, inbuf[0]);
+
+ /*
+ * result: -1 84 0 0 (84=EILSEQ)
+ *
+ * Error is returnd but inbuf is consumed.
+ *
+ * \x83\xd9 is valid shift-jis sequence but no character is assigned
+ * to it.
+ */
+
+ return (ret != -1 || errno != EILSEQ
+ || inbytesleft != 2 || inbuf[0] != in[0]);
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
diff --git a/iconvdata/cp932.c b/iconvdata/cp932.c
index 90ecad9..00d83d4 100644
--- a/iconvdata/cp932.c
+++ b/iconvdata/cp932.c
@@ -1,5 +1,5 @@
/* Mapping tables for CP932 handling.
- Copyright (C) 1997,1998,1999,2000,2001,2003 Free Software Foundation, Inc.
+ Copyright (C) 1997-2001,2003,2011 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by MORIYAMA Masayuki <msyk@mtg.biglobe.ne.jp>, 2003.
@@ -4549,8 +4549,8 @@ static const char from_ucs4_extra[229][2] =
++inptr; \
else if (ch >= 0xa1 && ch <= 0xdf) \
{ \
- ch += 0xfec0; \
- ++inptr; \
+ ch += 0xfec0; \
+ ++inptr; \
} \
else if (__builtin_expect (ch, 0) == 0xa0 \
|| __builtin_expect (ch <= 0x80, 0) \
@@ -4588,65 +4588,63 @@ static const char from_ucs4_extra[229][2] =
if (__builtin_expect (ch2 < 0x40, 0) \
|| __builtin_expect (ch2 > 0xfc, 0) \
|| __builtin_expect (ch2 == 0x7f, 0) \
- || (__builtin_expect (idx > 0x84be, 0) && idx < 0x8740) \
- || (__builtin_expect (idx > 0x879c, 0) && idx < 0x889f) \
- || (__builtin_expect (idx > 0x88fc, 0) && idx < 0x8940) \
- || (__builtin_expect (idx > 0x9ffc, 0) && idx < 0xe040) \
- || (__builtin_expect (idx > 0xeaa4, 0) && idx < 0xed40) \
- || (__builtin_expect (idx > 0xeefc, 0) && idx < 0xf040) \
+ || (__builtin_expect (idx > 0x84be, 0) && idx < 0x8740) \
+ || (__builtin_expect (idx > 0x879c, 0) && idx < 0x889f) \
+ || (__builtin_expect (idx > 0x88fc, 0) && idx < 0x8940) \
+ || (__builtin_expect (idx > 0x9ffc, 0) && idx < 0xe040) \
+ || (__builtin_expect (idx > 0xeaa4, 0) && idx < 0xed40) \
+ || (__builtin_expect (idx > 0xeefc, 0) && idx < 0xf040) \
|| __builtin_expect (idx > 0xfc4b, 0)) \
{ \
/* This is illegal. */ \
if (! ignore_errors_p ()) \
{ \
- /* This is an illegal character. */ \
- result = __GCONV_ILLEGAL_INPUT; \
- break; \
+ /* This is an illegal character. */ \
+ result = __GCONV_ILLEGAL_INPUT; \
+ break; \
} \
\
++inptr; \
++*irreversible; \
continue; \
} \
- else \
- { \
- /* We could pack the data a bit more dense. The second \
- byte will never be 0x7f and it will also be never \
- >0xfc. But this would mean yet more `if's. */ \
- if (idx <= 0x84be) \
- ch = cjk_block1[(ch - 0x81) * 192 + ch2 - 0x40]; \
- else if (idx <= 0x879c) \
- ch = cjk_block2[(ch - 0x87) * 192 + ch2 - 0x40]; \
- else if (idx <= 0x88fc) \
- ch = cjk_block3[(ch - 0x88) * 192 + ch2 - 0x9f]; \
- else if (idx <= 0x9ffc) \
- ch = cjk_block4[(ch - 0x89) * 192 + ch2 - 0x40]; \
- else if (idx <= 0xeaa4) \
- ch = cjk_block5[(ch - 0xe0) * 192 + ch2 - 0x40]; \
- else if (idx <= 0xeefc) \
- ch = cjk_block6[(ch - 0xed) * 192 + ch2 - 0x40]; \
- else if (idx <= 0xf9fc) \
- ch = (ch-0xf0)*188 + ch2-((ch2<0x7f)?0x40:0x41) + 0xe000; \
- else \
- ch = cjk_block7[(ch - 0xfa) * 192 + ch2 - 0x40]; \
\
- inptr += 2; \
- } \
+ /* We could pack the data a bit more dense. The second \
+ byte will never be 0x7f and it will also be never \
+ >0xfc. But this would mean yet more `if's. */ \
+ if (idx <= 0x84be) \
+ ch = cjk_block1[(ch - 0x81) * 192 + ch2 - 0x40]; \
+ else if (idx <= 0x879c) \
+ ch = cjk_block2[(ch - 0x87) * 192 + ch2 - 0x40]; \
+ else if (idx <= 0x88fc) \
+ ch = cjk_block3[(ch - 0x88) * 192 + ch2 - 0x9f]; \
+ else if (idx <= 0x9ffc) \
+ ch = cjk_block4[(ch - 0x89) * 192 + ch2 - 0x40]; \
+ else if (idx <= 0xeaa4) \
+ ch = cjk_block5[(ch - 0xe0) * 192 + ch2 - 0x40]; \
+ else if (idx <= 0xeefc) \
+ ch = cjk_block6[(ch - 0xed) * 192 + ch2 - 0x40]; \
+ else if (idx <= 0xf9fc) \
+ ch = (ch-0xf0)*188 + ch2-((ch2<0x7f)?0x40:0x41) + 0xe000; \
+ else \
+ ch = cjk_block7[(ch - 0xfa) * 192 + ch2 - 0x40]; \
\
if (__builtin_expect (ch, 1) == 0) \
{ \
/* This is an illegal character. */ \
if (! ignore_errors_p ()) \
{ \
- /* This is an illegal character. */ \
- result = __GCONV_ILLEGAL_INPUT; \
- break; \
+ /* This is an illegal character. */ \
+ result = __GCONV_ILLEGAL_INPUT; \
+ break; \
} \
\
inptr += 2; \
++*irreversible; \
continue; \
} \
+ \
+ inptr += 2; \
} \
\
put32 (outptr, ch); \
@@ -4674,7 +4672,7 @@ static const char from_ucs4_extra[229][2] =
else if (ch >= 0x2010 && ch <= 0x9fa0) \
cp = from_ucs4_cjk[ch - 0x2010]; \
else if (ch >= 0xe000 && ch <= 0xe757) \
- { \
+ { \
pua[0] = (ch - 0xe000) / 188 + 0xf0; \
pua[1] = (ch - 0xe000) % 188 + 0x40; \
if (pua[1] > 0x7e) \