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f358f322da
* Rebase patches to Buildroot 2021.02-rc3 * Update Buildroot to 2021.02-rc3 * Declare Kernel headers to be Linux version 5.10 (since they are, and new Buildroot knows about 5.10)
48 lines
1.3 KiB
Diff
48 lines
1.3 KiB
Diff
From 3916c1cc32be205e185a8a56de5cde1b9ec60e81 Mon Sep 17 00:00:00 2001
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From: Denis Kenzior <denkenz@gmail.com>
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Date: Mon, 30 Nov 2020 13:00:11 -0600
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Subject: [PATCH] build: Add rawmemchr to missing.h
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For those systems (i.e. musl) that do not support this
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[Upstream: https://git.kernel.org/pub/scm/libs/ell/ell.git/patch/?id=3916c1cc32be205e185a8a56de5cde1b9ec60e81]
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Signed-off-by: Peter Seiderer <ps.report@gmx.net>
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---
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configure.ac | 1 +
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ell/missing.h | 10 ++++++++++
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2 files changed, 11 insertions(+)
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diff --git a/configure.ac b/configure.ac
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index 1e5ead9..f34add1 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -98,6 +98,7 @@ AC_ARG_ENABLE(ubsan, AC_HELP_STRING([--enable-ubsan],
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])
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AC_CHECK_FUNCS(explicit_bzero)
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+AC_CHECK_FUNCS(rawmemchr)
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AC_CHECK_FUNC(signalfd, dummy=yes,
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AC_MSG_ERROR(signalfd support is required))
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diff --git a/ell/missing.h b/ell/missing.h
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index 6b9b0fd..2a3e647 100644
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--- a/ell/missing.h
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+++ b/ell/missing.h
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@@ -67,3 +67,13 @@ static inline void explicit_bzero(void *s, size_t n)
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#ifndef SO_BINDTOIFINDEX
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#define SO_BINDTOIFINDEX 62
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#endif
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+
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+#ifndef HAVE_RAWMEMCHR
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+static inline void *rawmemchr(const void *s, int c)
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+{
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+_Pragma("GCC diagnostic push")
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+_Pragma("GCC diagnostic ignored \"-Wstringop-overflow=\"")
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+ return memchr(s, c, (size_t) -1);
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+_Pragma("GCC diagnostic pop")
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+}
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+#endif
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--
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2.29.2
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