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NetBSD has its own unoptimizable memset version since 2013

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checking presence of the function if older versions of NetBSD
This commit is contained in:
David Carlier 2018-01-15 22:10:58 +00:00 committed by Anatol Belski
parent 957b91b739
commit 7f51257c08
2 changed files with 4 additions and 1 deletions
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1
configure.ac
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@ -608,6 +608,7 @@ chroot \
ctime_r \ ctime_r \
cuserid \ cuserid \
crypt \ crypt \
explicit_memset \
flock \ flock \
ftok \ ftok \
funopen \ funopen \

4
main/explicit_bzero.c
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@ -32,7 +32,9 @@
PHPAPI void php_explicit_bzero(void *dst, size_t siz) PHPAPI void php_explicit_bzero(void *dst, size_t siz)
{ {
#ifdef __GNUC__ #if HAVE_EXPLICIT_MEMSET
explicit_memset(dst, 0, siz);
#elif defined(__GNUC__)
memset(dst, 0, siz); memset(dst, 0, siz);
asm __volatile__("" :: "r"(dst) : "memory"); asm __volatile__("" :: "r"(dst) : "memory");
#else #else