bendns' repos / pnm
pnm decoding and encoding
Diffstat (limited to 'src/pgm.rs')
-rw-r--r--src/pgm.rs8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/pgm.rs b/src/pgm.rs
index f1f2cb8..a523287 100644
--- a/src/pgm.rs
+++ b/src/pgm.rs
@@ -56,7 +56,7 @@ pub mod plain {
// SAFETY: iterator over `pixels` elements.
unsafe { out.push(b) };
}
- if unsafe { out.sub_ptr(into.buf().as_mut_ptr().cast()) < pixels as usize } {
+ if unsafe { out.offset_from_unsigned(into.buf().as_mut_ptr().cast()) < pixels as usize } {
return Err(Error::MissingData);
}
// SAFETY: checked that the pixels have been initialized.
@@ -79,7 +79,7 @@ pub mod plain {
// cosmetic
o.push(b'\n');
}
- o.sub_ptr(out)
+ o.offset_from_unsigned(out)
}
#[doc = include_str!("est.md")]
@@ -135,7 +135,7 @@ pub mod raw {
encodeu32(x.height(), &mut o);
o.put(*b" 255\n");
o.copy_from(x.buffer().as_ptr(), x.len());
- o.sub_ptr(out) + x.len()
+ o.offset_from_unsigned(out) + x.len()
}
#[doc = include_str!("decode_body_into.md")]
@@ -146,7 +146,7 @@ pub mod raw {
// SAFETY: took `pixels` pixels.
unsafe { out.push(b) };
}
- if unsafe { out.sub_ptr(into.buf().as_mut_ptr().cast()) < pixels as usize } {
+ if unsafe { out.offset_from_unsigned(into.buf().as_mut_ptr().cast()) < pixels as usize } {
return Err(Error::MissingData);
}
// SAFETY: checked that the pixels have been initialized.