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NetBSD build fix.

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getentropy shows up wrongly as weak symbol whereas there is no support.

However NetBSD 10.0 will support getrandom.

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/13408)
This commit is contained in:
David Carlier 2020-11-16 11:02:24 +00:00 committed by Richard Levitte
parent ccbf3f90c4
commit ef2a44eb31
1 changed files with 3 additions and 2 deletions
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5
providers/implementations/rands/seeding/rand_unix.c
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@ -383,7 +383,7 @@ static ssize_t syscall_random(void *buf, size_t buflen)
* Note: Sometimes getentropy() can be provided but not implemented
* internally. So we need to check errno for ENOSYS
*/
# if !defined(__DragonFly__)
# if !defined(__DragonFly__) && !defined(__NetBSD__)
# if defined(__GNUC__) && __GNUC__>=2 && defined(__ELF__) && !defined(__hpux)
extern int getentropy(void *buffer, size_t length) __attribute__((weak));
@ -416,7 +416,8 @@ static ssize_t syscall_random(void *buf, size_t buflen)
return syscall(__NR_getrandom, buf, buflen, 0);
# elif (defined(__FreeBSD__) || defined(__NetBSD__)) && defined(KERN_ARND)
return sysctl_random(buf, buflen);
# elif (defined(__DragonFly__) && __DragonFly_version >= 500700)
# elif (defined(__DragonFly__) && __DragonFly_version >= 500700) \
|| (defined(__NetBSD__) && __NetBSD_Version >= 1000000000)
return getrandom(buf, buflen, 0);
# else
errno = ENOSYS;