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Add trivial MI memset function implementation. GCC mandates the

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existence of this function as a linkable symbol in standalone
configurations and existing inline memcpy from libkern.h fails
this requirement.
This commit is contained in:
Alexander Kabaev 2007-04-05 22:02:39 +00:00
parent 54b369c1ae
commit 616db5f04c
2 changed files with 38 additions and 0 deletions
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1
sys/conf/files
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@ -1496,6 +1496,7 @@ libkern/iconv_xlat16.c optional libiconv
libkern/index.c standard
libkern/inet_ntoa.c standard
libkern/mcount.c optional profiling-routine
libkern/memset.c standard
libkern/qsort.c standard
libkern/qsort_r.c standard
libkern/random.c standard

37
sys/libkern/memset.c Normal file
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@ -0,0 +1,37 @@
/*-
* Copyright (C) 1992-2007 The FreeBSD Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#include <sys/types.h>
__FBSDID("$FreeBSD$");
void *
memset(void *b, int c, size_t len)
{
char *bb;
for (bb = (char *)b; len--; )
*bb++ = c;
return (b);
}