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fixup stream code for win32 portability

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This commit is contained in:
Wez Furlong 2021-04-10 11:09:20 -07:00
parent 6c86e20b30
commit 39856e4d8a
1 changed files with 14 additions and 3 deletions
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17
wezterm-font/src/ftwrap.rs
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@ -599,10 +599,14 @@ impl FreeTypeStream {
let name = source.name_or_path_str().to_string();
if len > c_ulong::MAX as usize {
anyhow::bail!("{} is too large to pass to freetype! (len={})", name, len);
}
let stream = Box::new(Self {
stream: FT_StreamRec_ {
base: base as *mut _,
size: len as u64,
size: len as c_ulong,
pos: 0,
descriptor: FT_StreamDesc_ {
pointer: ptr::null_mut(),
@ -638,6 +642,13 @@ impl FreeTypeStream {
}
let len = meta.len();
if len as usize > c_ulong::MAX as usize {
anyhow::bail!(
"{} is too large to pass to freetype! (len={})",
p.display(),
len
);
}
let (backing, base) = match unsafe { MmapOptions::new().map(&file) } {
Ok(map) => {
@ -657,7 +668,7 @@ impl FreeTypeStream {
let stream = Box::new(Self {
stream: FT_StreamRec_ {
base,
size: len,
size: len as c_ulong,
pos: 0,
descriptor: FT_StreamDesc_ {
pointer: ptr::null_mut(),
@ -705,7 +716,7 @@ impl FreeTypeStream {
0
}
StreamBacking::File(file) => {
if let Err(err) = file.seek(SeekFrom::Start(offset)) {
if let Err(err) = file.seek(SeekFrom::Start(offset.into())) {
log::error!(
"failed to seek {} to offset {}: {:#}",
myself.name,