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commit 9e977aca87678417184f01d02c92b2ecb15727e3
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Author: Mark Wielaard <mark@klomp.org>
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Date: Sun Feb 12 21:51:34 2017 +0100
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libasm: Fix GCC7 one -Wformat-truncation=2 warning.
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Make sure that if we have really many labels the tempsym doesn't get
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truncated because it is too small to hold the whole name.
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This doesn't enable -Wformat-truncation=2 or fix other "issues" pointed
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out by enabling this warning because there are currently some issues
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with it. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79448
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Signed-off-by: Mark Wielaard <mark@klomp.org>
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diff --git a/libasm/asm_newsym.c b/libasm/asm_newsym.c
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index 332432a..5389166 100644
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--- a/libasm/asm_newsym.c
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+++ b/libasm/asm_newsym.c
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@@ -1,5 +1,5 @@
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/* Define new symbol for current position in given section.
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- Copyright (C) 2002, 2005, 2016 Red Hat, Inc.
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+ Copyright (C) 2002, 2005, 2016, 2017 Red Hat, Inc.
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This file is part of elfutils.
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Written by Ulrich Drepper <drepper@redhat.com>, 2002.
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@@ -44,7 +44,9 @@ AsmSym_t *
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asm_newsym (AsmScn_t *asmscn, const char *name, GElf_Xword size,
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int type, int binding)
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{
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-#define TEMPSYMLEN 10
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+/* We don't really expect labels with many digits, but in theory it could
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+ be 10 digits (plus ".L" and a zero terminator). */
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+#define TEMPSYMLEN 13
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char tempsym[TEMPSYMLEN];
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AsmSym_t *result;
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