82 lines
2.7 KiB
Diff
82 lines
2.7 KiB
Diff
From 6fea0a8e33760258c4baa5d0a6f3a145897427fe Mon Sep 17 00:00:00 2001
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From: Florian Weimer <fweimer@redhat.com>
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Date: Tue, 3 Sep 2019 14:01:39 +0200
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Subject: [PATCH] localedef: Use initializer for flexible array member [BZ
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#24950]
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struct charseq used a zero-length array instead of a flexible array
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member. This required a strange construct to initialize struct
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charseq objects, and GCC 10 warns about that:
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cc1: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
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In file included from programs/repertoire.h:24,
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from programs/localedef.h:32,
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from programs/ld-ctype.c:35:
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programs/charmap.h:63:17: note: destination object declared here
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63 | unsigned char bytes[0];
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| ^~~~~
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cc1: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
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programs/charmap.h:63:17: note: destination object declared here
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cc1: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
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programs/charmap.h:63:17: note: destination object declared here
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cc1: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
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programs/charmap.h:63:17: note: destination object declared here
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The change makes the object physically const, but it is not expected
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to be modified.
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[Upstream: https://sourceware.org/git/?p=glibc.git;a=patch;h=1471fa556afb428c4a4c46cf5543a4101d5bcf91]
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[Dropped confliciting ChangeLog part]
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Signed-off-by: Peter Seiderer <ps.report@gmx.net>
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---
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locale/programs/charmap.h | 2 +-
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locale/programs/ld-ctype.c | 12 ++++++------
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2 files changed, 7 insertions(+), 7 deletions(-)
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diff --git a/locale/programs/charmap.h b/locale/programs/charmap.h
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index 870a9e95..70db330d 100644
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--- a/locale/programs/charmap.h
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+++ b/locale/programs/charmap.h
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@@ -60,7 +60,7 @@ struct charseq
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const char *name;
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uint32_t ucs4;
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int nbytes;
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- unsigned char bytes[0];
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+ unsigned char bytes[];
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};
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diff --git a/locale/programs/ld-ctype.c b/locale/programs/ld-ctype.c
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index cfc9c43f..9123f64a 100644
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--- a/locale/programs/ld-ctype.c
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+++ b/locale/programs/ld-ctype.c
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@@ -842,8 +842,6 @@ no input digits defined and none of the standard names in the charmap"));
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for (cnt = 0; cnt < 10; ++cnt)
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if (ctype->mboutdigits[cnt] == NULL)
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{
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- static struct charseq replace[2];
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-
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if (!warned)
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{
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record_error (0, 0, _("\
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@@ -851,10 +849,12 @@ not all characters used in `outdigit' are available in the charmap"));
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warned = 1;
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}
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- replace[0].nbytes = 1;
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- replace[0].bytes[0] = '?';
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- replace[0].bytes[1] = '\0';
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- ctype->mboutdigits[cnt] = &replace[0];
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+ static const struct charseq replace =
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+ {
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+ .nbytes = 1,
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+ .bytes = "?",
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+ };
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+ ctype->mboutdigits[cnt] = (struct charseq *) &replace;
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}
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warned = 0;
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--
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2.26.0
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