2ce4ead892e7ceb482567ff12f752f5f28621cf0
[openwrt/openwrt.git] / tools / e2fsprogs / patches / 005-posix_memalign.patch
1 --- a/lib/ext2fs/ext2fs.h
2 +++ b/lib/ext2fs/ext2fs.h
3 @@ -1212,7 +1212,26 @@
4
5 if (align == 0)
6 align = 8;
7 - if (retval = posix_memalign((void **) ptr, align, size)) {
8 +#ifdef HAVE_POSIX_MEMALIGN
9 + retval = posix_memalign((void **)ptr, align, size);
10 +#else
11 +#ifdef HAVE_MEMALIGN
12 + if ((*(void **)ptr = (void *)memalign(align, size)) == NULL)
13 + retval = errno;
14 + else
15 + retval = 0;
16 +#else
17 +#ifdef HAVE_VALLOC
18 + if ((*(void **)ptr = valloc(size)) == NULL)
19 + retval = errno;
20 + else
21 + retval = 0;
22 +#else
23 +# error "Impossible to allocate aligned memory!"
24 +#endif /* HAVE_VALLOC */
25 +#endif /* HAVE_MEMALIGN */
26 +#endif /* HAVE_POSIX_MEMALIGN */
27 + if (retval) {
28 if (retval == ENOMEM)
29 return EXT2_ET_NO_MEMORY;
30 return retval;
31 --