2698eb3378
The content of this branch was automatically imported from Fedora ELN with the following as its source: https://src.fedoraproject.org/rpms/syslinux#135fd0fb0f3aa1c828d6a1cc11832a9ab354b04e
41 lines
1.1 KiB
Diff
41 lines
1.1 KiB
Diff
From eae06bdce9468d7fde263de1c53f80f2faff0c9e Mon Sep 17 00:00:00 2001
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From: Merlin Mathesius <mmathesi@redhat.com>
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Date: Wed, 13 May 2020 11:58:37 -0500
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Subject: [PATCH] Replace builtin strlen that appears to get optimized away
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---
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dos/string.h | 12 +++++++++++-
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1 file changed, 11 insertions(+), 1 deletion(-)
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diff --git a/dos/string.h b/dos/string.h
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index f648de2d..407d0233 100644
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--- a/dos/string.h
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+++ b/dos/string.h
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@@ -5,12 +5,22 @@
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#ifndef _STRING_H
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#define _STRING_H
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+#include <stddef.h>
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+
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/* Standard routines */
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#define memcpy(a,b,c) __builtin_memcpy(a,b,c)
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#define memmove(a,b,c) __builtin_memmove(a,b,c)
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#define memset(a,b,c) __builtin_memset(a,b,c)
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#define strcpy(a,b) __builtin_strcpy(a,b)
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-#define strlen(a) __builtin_strlen(a)
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+#define strlen(a) inline_strlen(a)
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+
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+/* replacement for builtin strlen that appears to get optimized away */
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+static inline size_t inline_strlen(const char *str)
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+{
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+ size_t l;
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+ for (l = 0; *str++; l++);
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+ return l;
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+}
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/* This only returns true or false */
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static inline int memcmp(const void *__m1, const void *__m2, unsigned int __n)
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--
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2.25.1
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