Date: Sat, 5 Sep 2009 13:32:05 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r196861 - head/lib/libc/stdlib Message-ID: <200909051332.n85DW5Q1054296@svn.freebsd.org>
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Author: kib Date: Sat Sep 5 13:32:05 2009 New Revision: 196861 URL: http://svn.freebsd.org/changeset/base/196861 Log: Handle zero size for posix_memalign. Return NULL or unique address according to the 'V' option. PR: standards/138307 MFC after: 1 week Modified: head/lib/libc/stdlib/malloc.c Modified: head/lib/libc/stdlib/malloc.c ============================================================================== --- head/lib/libc/stdlib/malloc.c Sat Sep 5 13:31:16 2009 (r196860) +++ head/lib/libc/stdlib/malloc.c Sat Sep 5 13:32:05 2009 (r196861) @@ -5320,6 +5320,15 @@ posix_memalign(void **memptr, size_t ali goto RETURN; } + if (size == 0) { + if (opt_sysv == false) + size = 1; + else { + result = NULL; + ret = 0; + goto RETURN; + } + } result = ipalloc(alignment, size); }
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