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commit 42d6443faf5e8b5c70474923bfcc021b77ee0095
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Author: Andreas Schwab <schwab@suse.de>
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Date: Thu Jul 24 17:32:56 2014 +0200
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Don't emit invalid extra shift character at block boundary by iconv (bug 17197)
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--- a/iconvdata/Makefile
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+++ b/iconvdata/Makefile
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@@ -67,7 +67,8 @@
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ifeq (yes,$(build-shared))
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tests = bug-iconv1 bug-iconv2 tst-loading tst-e2big tst-iconv4 bug-iconv4 \
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- tst-iconv6 bug-iconv5 bug-iconv6 tst-iconv7 bug-iconv8 bug-iconv9
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+ tst-iconv6 bug-iconv5 bug-iconv6 tst-iconv7 bug-iconv8 bug-iconv9 \
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+ bug-iconv10
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ifeq ($(have-thread-library),yes)
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tests += bug-iconv3
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endif
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@@ -286,6 +287,8 @@
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$(addprefix $(objpfx),$(modules.so))
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$(objpfx)bug-iconv5.out: $(objpfx)gconv-modules \
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$(addprefix $(objpfx),$(modules.so))
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+$(objpfx)bug-iconv10.out: $(objpfx)gconv-modules \
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+ $(addprefix $(objpfx),$(modules.so))
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$(objpfx)tst-loading.out: $(objpfx)gconv-modules \
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$(addprefix $(objpfx),$(modules.so))
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$(objpfx)tst-iconv4.out: $(objpfx)gconv-modules \
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diff --git a/iconvdata/bug-iconv10.c b/iconvdata/bug-iconv10.c
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new file mode 100644
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index 0000000..98353a2
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--- /dev/null
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+++ b/iconvdata/bug-iconv10.c
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@@ -0,0 +1,77 @@
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+/* bug 17197: check for redundant shift character at block boundary.
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+ Copyright (C) 2015 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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+#include <iconv.h>
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+#include <locale.h>
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <string.h>
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+#include <errno.h>
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+
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+static int
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+do_test (void)
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+{
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+ iconv_t cd = iconv_open ("IBM930", "UTF-8");
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+ if (cd == (iconv_t) -1)
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+ {
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+ puts ("iconv_open failed");
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+ return 1;
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+ }
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+
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+ char instr1[] = "\xc2\xa6.";
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+ const char expstr1[4] = "\016Bj\017";
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+ const char expstr2[] = "K";
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+ char outstr[4];
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+ size_t inlen = sizeof (instr1);
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+ size_t outlen = sizeof (outstr);
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+ char *inptr = instr1;
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+ char *outptr = outstr;
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+ size_t r = iconv (cd, &inptr, &inlen, &outptr, &outlen);
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+ if (r != -1
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+ || errno != E2BIG
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+ || inlen != sizeof (instr1) - 2
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+ || inptr != instr1 + 2
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+ || outlen != 0
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+ || memcmp (outstr, expstr1, sizeof (expstr1)) != 0)
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+ {
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+ puts ("wrong first conversion");
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+ return 1;
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+ }
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+
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+ outlen = sizeof (outstr);
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+ outptr = outstr;
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+ r = iconv (cd, &inptr, &inlen, &outptr, &outlen);
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+ if (r != 0
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+ || inlen != 0
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+ || outlen != sizeof (outstr) - sizeof (expstr2)
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+ || memcmp (outstr, expstr2, sizeof (expstr2)) != 0)
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+ {
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+ puts ("wrong second conversion");
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+ return 1;
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+ }
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+
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+ if (iconv_close (cd) != 0)
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+ {
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+ puts ("iconv_close failed");
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+ return 1;
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+ }
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+ return 0;
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+}
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+
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+#define TEST_FUNCTION do_test ()
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+#include "../test-skeleton.c"
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--- a/iconvdata/ibm930.c 2015-12-01 18:13:56.799658234 -0500
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+++ b/iconvdata/ibm930.c 2015-12-01 18:14:12.729906742 -0500
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@@ -257,6 +257,7 @@ enum
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break; \
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} \
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*outptr++ = SI; \
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+ curcs = sb; \
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} \
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\
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if (__builtin_expect (outptr + 1 > outend, 0)) \
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@@ -270,7 +271,6 @@ enum
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*outptr++ = 0x5b; \
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else \
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*outptr++ = cp[0]; \
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- curcs = sb; \
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} \
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\
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/* Now that we wrote the output increment the input pointer. */ \
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--- a/iconvdata/ibm933.c 2015-12-01 18:13:56.799658234 -0500
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+++ b/iconvdata/ibm933.c 2015-12-01 18:14:12.729906742 -0500
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@@ -255,6 +255,7 @@ enum
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break; \
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} \
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*outptr++ = SI; \
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+ curcs = sb; \
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} \
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\
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if (__builtin_expect (outptr + 1 > outend, 0)) \
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@@ -263,7 +264,6 @@ enum
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break; \
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} \
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*outptr++ = cp[0]; \
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- curcs = sb; \
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} \
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\
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/* Now that we wrote the output increment the input pointer. */ \
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--- a/iconvdata/ibm935.c 2015-12-01 18:13:56.799658234 -0500
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+++ b/iconvdata/ibm935.c 2015-12-01 18:14:12.729906742 -0500
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@@ -255,6 +255,7 @@ enum
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break; \
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} \
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*outptr++ = SI; \
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+ curcs = sb; \
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} \
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\
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if (__builtin_expect (outptr + 1 > outend, 0)) \
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@@ -263,7 +264,6 @@ enum
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break; \
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} \
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*outptr++ = cp[0]; \
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- curcs = sb; \
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} \
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\
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/* Now that we wrote the output increment the input pointer. */ \
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--- a/iconvdata/ibm937.c 2015-12-01 18:13:56.799658234 -0500
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+++ b/iconvdata/ibm937.c 2015-12-01 18:14:12.729906742 -0500
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@@ -255,6 +255,7 @@ enum
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break; \
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} \
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*outptr++ = SI; \
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+ curcs = sb; \
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} \
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\
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if (__builtin_expect (outptr + 1 > outend, 0)) \
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@@ -263,7 +264,6 @@ enum
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break; \
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} \
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*outptr++ = cp[0]; \
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- curcs = sb; \
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} \
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\
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/* Now that we wrote the output increment the input pointer. */ \
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--- a/iconvdata/ibm939.c 2015-12-01 18:13:56.799658234 -0500
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+++ b/iconvdata/ibm939.c 2015-12-01 18:14:12.739906898 -0500
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@@ -255,6 +255,7 @@ enum
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break; \
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} \
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*outptr++ = SI; \
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+ curcs = sb; \
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} \
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\
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if (__builtin_expect (outptr + 1 > outend, 0)) \
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@@ -268,7 +269,6 @@ enum
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*outptr++ = 0xb2; \
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else \
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*outptr++ = cp[0]; \
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- curcs = sb; \
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} \
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\
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/* Now that we wrote the output increment the input pointer. */ \
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