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-rw-r--r--iconvdata/Makefile1
-rw-r--r--iconvdata/ibm1364.c3
-rw-r--r--iconvdata/ibm932.c5
-rw-r--r--iconvdata/ibm933.c2
-rw-r--r--iconvdata/ibm935.c2
-rw-r--r--iconvdata/ibm937.c2
-rw-r--r--iconvdata/ibm939.c2
-rw-r--r--iconvdata/ibm943.c5
-rwxr-xr-xiconvdata/run-iconv-test.sh18
9 files changed, 31 insertions, 9 deletions
diff --git a/iconvdata/Makefile b/iconvdata/Makefile
index 0a410a1bc8..b6327d6026 100644
--- a/iconvdata/Makefile
+++ b/iconvdata/Makefile
@@ -297,6 +297,7 @@ $(objpfx)tst-iconv7.out: $(objpfx)gconv-modules \
 $(objpfx)iconv-test.out: run-iconv-test.sh $(objpfx)gconv-modules \
 			 $(addprefix $(objpfx),$(modules.so)) \
 			 $(common-objdir)/iconv/iconv_prog TESTS
+	iconv_modules="$(modules)" \
 	$(SHELL) $< $(common-objdir) '$(test-wrapper-env)' \
 		 '$(run-program-env)' > $@; \
 	$(evaluate-test)
diff --git a/iconvdata/ibm1364.c b/iconvdata/ibm1364.c
index 0b5484fc20..cf8099351d 100644
--- a/iconvdata/ibm1364.c
+++ b/iconvdata/ibm1364.c
@@ -221,7 +221,8 @@ enum
 	  ++rp2;							      \
 									      \
 	uint32_t res;							      \
-	if (__builtin_expect (ch < rp2->start, 0)			      \
+	if (__builtin_expect (rp2->start == 0xffff, 0)			      \
+	    || __builtin_expect (ch < rp2->start, 0)			      \
 	    || (res = DB_TO_UCS4[ch + rp2->idx],			      \
 		__builtin_expect (res, L'\1') == L'\0' && ch != '\0'))	      \
 	  {								      \
diff --git a/iconvdata/ibm932.c b/iconvdata/ibm932.c
index f5dca59ac7..aa69d651a7 100644
--- a/iconvdata/ibm932.c
+++ b/iconvdata/ibm932.c
@@ -74,11 +74,12 @@
 	  }								      \
 									      \
 	ch = (ch * 0x100) + inptr[1];					      \
+	/* ch was less than 0xfd.  */					      \
+	assert (ch < 0xfd00);						      \
 	while (ch > rp2->end)						      \
 	  ++rp2;							      \
 									      \
-	if (__builtin_expect (rp2 == NULL, 0)				      \
-	    || __builtin_expect (ch < rp2->start, 0)			      \
+	if (__builtin_expect (ch < rp2->start, 0)			      \
 	    || (res = __ibm932db_to_ucs4[ch + rp2->idx],		      \
 	    __builtin_expect (res, '\1') == 0 && ch !=0))		      \
 	  {								      \
diff --git a/iconvdata/ibm933.c b/iconvdata/ibm933.c
index f46dfb51fe..461fb5e70c 100644
--- a/iconvdata/ibm933.c
+++ b/iconvdata/ibm933.c
@@ -162,7 +162,7 @@ enum
 	while (ch > rp2->end)						      \
 	  ++rp2;							      \
 									      \
-	if (__builtin_expect (rp2 == NULL, 0)				      \
+	if (__builtin_expect (rp2->start == 0xffff, 0)			      \
 	    || __builtin_expect (ch < rp2->start, 0)			      \
 	    || (res = __ibm933db_to_ucs4[ch + rp2->idx],		      \
 		__builtin_expect (res, L'\1') == L'\0' && ch != '\0'))	      \
diff --git a/iconvdata/ibm935.c b/iconvdata/ibm935.c
index a8e4e6cfb9..132d81648a 100644
--- a/iconvdata/ibm935.c
+++ b/iconvdata/ibm935.c
@@ -162,7 +162,7 @@ enum
 	while (ch > rp2->end)						      \
 	  ++rp2;							      \
 									      \
-	if (__builtin_expect (rp2 == NULL, 0)				      \
+	if (__builtin_expect (rp2->start == 0xffff, 0)			      \
 	    || __builtin_expect (ch < rp2->start, 0)			      \
 	    || (res = __ibm935db_to_ucs4[ch + rp2->idx],		      \
 		__builtin_expect (res, L'\1') == L'\0' && ch != '\0'))	      \
diff --git a/iconvdata/ibm937.c b/iconvdata/ibm937.c
index 239be613e9..69b154d1ae 100644
--- a/iconvdata/ibm937.c
+++ b/iconvdata/ibm937.c
@@ -162,7 +162,7 @@ enum
 	while (ch > rp2->end)						      \
 	  ++rp2;							      \
 									      \
-	if (__builtin_expect (rp2 == NULL, 0)				      \
+	if (__builtin_expect (rp2->start == 0xffff, 0)			      \
 	    || __builtin_expect (ch < rp2->start, 0)			      \
 	    || (res = __ibm937db_to_ucs4[ch + rp2->idx],		      \
 		__builtin_expect (res, L'\1') == L'\0' && ch != '\0'))	      \
diff --git a/iconvdata/ibm939.c b/iconvdata/ibm939.c
index 5d0db3686b..9936e2c176 100644
--- a/iconvdata/ibm939.c
+++ b/iconvdata/ibm939.c
@@ -162,7 +162,7 @@ enum
 	while (ch > rp2->end)						      \
 	  ++rp2;							      \
 									      \
-	if (__builtin_expect (rp2 == NULL, 0)				      \
+	if (__builtin_expect (rp2->start == 0xffff, 0)			      \
 	    || __builtin_expect (ch < rp2->start, 0)			      \
 	    || (res = __ibm939db_to_ucs4[ch + rp2->idx],		      \
 		__builtin_expect (res, L'\1') == L'\0' && ch != '\0'))	      \
diff --git a/iconvdata/ibm943.c b/iconvdata/ibm943.c
index be0c14f681..c5d5742136 100644
--- a/iconvdata/ibm943.c
+++ b/iconvdata/ibm943.c
@@ -75,11 +75,12 @@
 	  }								      \
 									      \
 	ch = (ch * 0x100) + inptr[1];					      \
+	/* ch was less than 0xfd.  */					      \
+	assert (ch < 0xfd00);						      \
 	while (ch > rp2->end)						      \
 	  ++rp2;							      \
 									      \
-	if (__builtin_expect (rp2 == NULL, 0)				      \
-	    || __builtin_expect (ch < rp2->start, 0)			      \
+	if (__builtin_expect (ch < rp2->start, 0)			      \
 	    || (res = __ibm943db_to_ucs4[ch + rp2->idx],		      \
 	    __builtin_expect (res, '\1') == 0 && ch !=0))		      \
 	  {								      \
diff --git a/iconvdata/run-iconv-test.sh b/iconvdata/run-iconv-test.sh
index c98c92950d..5dfb69fe3a 100755
--- a/iconvdata/run-iconv-test.sh
+++ b/iconvdata/run-iconv-test.sh
@@ -184,6 +184,24 @@ while read utf8 from filename; do
 
 done < TESTS2
 
+# Check for crashes in decoders.
+printf '\016\377\377\377\377\377\377\377' > $temp1
+for from in $iconv_modules ; do
+    echo $ac_n "test decoder $from $ac_c"
+    PROG=`eval echo $ICONV`
+    if $PROG < $temp1 >/dev/null 2>&1 ; then
+	: # fall through
+    else
+	status=$?
+	if test $status -gt 1 ; then
+	    echo "/FAILED"
+	    failed=1
+	    continue
+	fi
+    fi
+    echo "OK"
+done
+
 exit $failed
 # Local Variables:
 #  mode:shell-script