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https://git.freebsd.org/ports.git
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50 lines
1 KiB
C
50 lines
1 KiB
C
--- ffs.h.orig 2015-08-27 15:45:57 UTC
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+++ ffs.h
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@@ -27,7 +27,15 @@
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#ifdef HAVE_ENDIAN_H
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#include <endian.h>
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#endif
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+#include <stdint.h>
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+#ifndef __WORDSIZE
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+#if defined(UINTPTR_MAX) && defined(UINT64_MAX) && (UINTPTR_MAX == UINT64_MAX)
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+#define __WORDSIZE 64
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+#else
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+#define __WORDSIZE 32
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+#endif
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+#endif
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#ifdef HAVE_FFS
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# define myffs(x) ffs(x)
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@@ -54,12 +62,9 @@
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# define myffsl(x) myffsl_c(x)
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#endif
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-#ifndef __BYTE_ORDER
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+#ifndef BYTE_ORDER
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# error Need to define __BYTE_ORDER
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#endif
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-#ifndef __WORDSIZE
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-# error Need to define __WORDSIZE
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-#endif
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//#ifndef HAVE_FFS
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#ifdef NEED_FFSL_C
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@@ -93,7 +98,7 @@ static int myffsl_c(unsigned long val)
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}
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#endif
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-#if __BYTE_ORDER == __BIG_ENDIAN || defined(TEST)
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+#if BYTE_ORDER == BIG_ENDIAN || defined(TEST)
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/** Find last (highest) bit set in word val, returns a val b/w __WORDSIZE and 1, 0 if no bit is set */
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static int myflsl(unsigned long val)
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{
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@@ -132,6 +137,8 @@ static int myflsl(unsigned long val)
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return res;
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#endif
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}
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+#else
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+# define myflsl(x) flsl(x)
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#endif
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void probe_sse42();
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