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| author | Yuta Saito <kateinoigakukun@gmail.com> | 2022-01-07 00:07:14 +0900 |
|---|---|---|
| committer | Yusuke Endoh <mame@ruby-lang.org> | 2022-01-07 02:13:19 +0900 |
| commit | ae51f304d28ca8ff3e0680448371c936f10490d0 (patch) | |
| tree | fe6fb6099d0e49578c184e1954063e91a1f50152 /io_buffer.c | |
| parent | 5ad507d751e63ed53f8eb0e518f72aca6588be62 (diff) | |
| download | ruby-ae51f304d28ca8ff3e0680448371c936f10490d0.tar.gz | |
io_buffer.c: use mremap based resizing only when mremap available
some libc implementations (e.g. wasi-libc) define MREMAP_MAYMOVE, but
don't have mremap itself, so guard the use of mremap by HAVE_MREMAP
Diffstat (limited to 'io_buffer.c')
| -rw-r--r-- | io_buffer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/io_buffer.c b/io_buffer.c index 71136d4eb6..fb18e729a6 100644 --- a/io_buffer.c +++ b/io_buffer.c @@ -1239,7 +1239,7 @@ rb_io_buffer_resize(VALUE self, size_t size) rb_raise(rb_eIOBufferAccessError, "Cannot resize external buffer!"); } -#ifdef MREMAP_MAYMOVE +#if defined(HAVE_MREMAP) && defined(MREMAP_MAYMOVE) if (data->flags & RB_IO_BUFFER_MAPPED) { void *base = mremap(data->base, data->size, size, MREMAP_MAYMOVE); |