Swap std references in generated code for core/alloc references

[ldk-c-bindings] / c-bindings-gen / src / blocks.rs

diff --git a/c-bindings-gen/src/blocks.rs b/c-bindings-gen/src/blocks.rs
index b2f952be5fa1cb3fdcb6f51a6d677d7680f59d60..5034b0902c1140fb0002f2098971578aee87aa5e 100644 (file)
--- a/c-bindings-gen/src/blocks.rs
+++ b/c-bindings-gen/src/blocks.rs
@@ -61,7 +61,7 @@ pub fn write_result_block<W: std::io::Write>(w: &mut W, mangled_container: &str,
                writeln!(w, "\tpub result: *mut {},", ok_type).unwrap();
        } else {
                writeln!(w, "\t/// Note that this value is always NULL, as there are no contents in the OK variant").unwrap();
-               writeln!(w, "\tpub result: *mut std::ffi::c_void,").unwrap();
+               writeln!(w, "\tpub result: *mut core::ffi::c_void,").unwrap();
        }
        if err_type != "()" {
                writeln!(w, "\t/// A pointer to the contents in the error state.").unwrap();
@@ -69,7 +69,7 @@ pub fn write_result_block<W: std::io::Write>(w: &mut W, mangled_container: &str,
                writeln!(w, "\tpub err: *mut {},", err_type).unwrap();
        } else {
                writeln!(w, "\t/// Note that this value is always NULL, as there are no contents in the Err variant").unwrap();
-               writeln!(w, "\tpub err: *mut std::ffi::c_void,").unwrap();
+               writeln!(w, "\tpub err: *mut core::ffi::c_void,").unwrap();
        }
        writeln!(w, "}}").unwrap();
        writeln!(w, "#[repr(C)]").unwrap();
@@ -97,7 +97,7 @@ pub fn write_result_block<W: std::io::Write>(w: &mut W, mangled_container: &str,
        if ok_type != "()" {
                writeln!(w, "\t\t\tresult: Box::into_raw(Box::new(o)),").unwrap();
        } else {
-               writeln!(w, "\t\t\tresult: std::ptr::null_mut(),").unwrap();
+               writeln!(w, "\t\t\tresult: core::ptr::null_mut(),").unwrap();
        }
        writeln!(w, "\t\t}},").unwrap();
        writeln!(w, "\t\tresult_ok: true,").unwrap();
@@ -117,7 +117,7 @@ pub fn write_result_block<W: std::io::Write>(w: &mut W, mangled_container: &str,
        if err_type != "()" {
                writeln!(w, "\t\t\terr: Box::into_raw(Box::new(e)),").unwrap();
        } else {
-               writeln!(w, "\t\t\terr: std::ptr::null_mut(),").unwrap();
+               writeln!(w, "\t\t\terr: core::ptr::null_mut(),").unwrap();
        }
        writeln!(w, "\t\t}},").unwrap();
        writeln!(w, "\t\tresult_ok: false,").unwrap();
@@ -156,22 +156,22 @@ pub fn write_result_block<W: std::io::Write>(w: &mut W, mangled_container: &str,
        writeln!(w, "\t\tlet contents = if o.result_ok {{").unwrap();
        if ok_type != "()" {
                writeln!(w, "\t\t\tlet result = unsafe {{ o.contents.result }};").unwrap();
-               writeln!(w, "\t\t\tunsafe {{ o.contents.result = std::ptr::null_mut() }};").unwrap();
+               writeln!(w, "\t\t\tunsafe {{ o.contents.result = core::ptr::null_mut() }};").unwrap();
                writeln!(w, "\t\t\t{}Ptr {{ result }}", mangled_container).unwrap();
        } else {
                writeln!(w, "\t\t\tlet _ = unsafe {{ Box::from_raw(o.contents.result) }};").unwrap();
-               writeln!(w, "\t\t\to.contents.result = std::ptr::null_mut();").unwrap();
-               writeln!(w, "\t\t\t{}Ptr {{ result: std::ptr::null_mut() }}", mangled_container).unwrap();
+               writeln!(w, "\t\t\to.contents.result = core::ptr::null_mut();").unwrap();
+               writeln!(w, "\t\t\t{}Ptr {{ result: core::ptr::null_mut() }}", mangled_container).unwrap();
        }
        writeln!(w, "\t\t}} else {{").unwrap();
        if err_type != "()" {
                writeln!(w, "\t\t\tlet err = unsafe {{ o.contents.err }};").unwrap();
-               writeln!(w, "\t\t\tunsafe {{ o.contents.err = std::ptr::null_mut(); }}").unwrap();
+               writeln!(w, "\t\t\tunsafe {{ o.contents.err = core::ptr::null_mut(); }}").unwrap();
                writeln!(w, "\t\t\t{}Ptr {{ err }}", mangled_container).unwrap();
        } else {
                writeln!(w, "\t\t\tlet _ = unsafe {{ Box::from_raw(o.contents.err) }};").unwrap();
-               writeln!(w, "\t\t\to.contents.err = std::ptr::null_mut();").unwrap();
-               writeln!(w, "\t\t\t{}Ptr {{ err: std::ptr::null_mut() }}", mangled_container).unwrap();
+               writeln!(w, "\t\t\to.contents.err = core::ptr::null_mut();").unwrap();
+               writeln!(w, "\t\t\t{}Ptr {{ err: core::ptr::null_mut() }}", mangled_container).unwrap();
        }
        writeln!(w, "\t\t}};").unwrap();
        writeln!(w, "\t\tSelf {{").unwrap();
@@ -189,7 +189,7 @@ pub fn write_result_block<W: std::io::Write>(w: &mut W, mangled_container: &str,
                if ok_type != "()" {
                        writeln!(w, "\t\t\t\tresult: Box::into_raw(Box::new(<{}>::clone(unsafe {{ &*self.contents.result }})))", ok_type).unwrap();
                } else {
-                       writeln!(w, "\t\t\t\tresult: std::ptr::null_mut()").unwrap();
+                       writeln!(w, "\t\t\t\tresult: core::ptr::null_mut()").unwrap();
                }
                writeln!(w, "\t\t\t}} }}").unwrap();
                writeln!(w, "\t\t}} else {{").unwrap();
@@ -197,7 +197,7 @@ pub fn write_result_block<W: std::io::Write>(w: &mut W, mangled_container: &str,
                if err_type != "()" {
                        writeln!(w, "\t\t\t\terr: Box::into_raw(Box::new(<{}>::clone(unsafe {{ &*self.contents.err }})))", err_type).unwrap();
                } else {
-                       writeln!(w, "\t\t\t\terr: std::ptr::null_mut()").unwrap();
+                       writeln!(w, "\t\t\t\terr: core::ptr::null_mut()").unwrap();
                }
                writeln!(w, "\t\t\t}} }}").unwrap();
                writeln!(w, "\t\t}}").unwrap();
@@ -226,13 +226,13 @@ pub fn write_vec_block<W: std::io::Write>(w: &mut W, mangled_container: &str, in
        writeln!(w, "impl {} {{", mangled_container).unwrap();
        writeln!(w, "\t#[allow(unused)] pub(crate) fn into_rust(&mut self) -> Vec<{}> {{", inner_type).unwrap();
        writeln!(w, "\t\tif self.datalen == 0 {{ return Vec::new(); }}").unwrap();
-       writeln!(w, "\t\tlet ret = unsafe {{ Box::from_raw(std::slice::from_raw_parts_mut(self.data, self.datalen)) }}.into();").unwrap();
-       writeln!(w, "\t\tself.data = std::ptr::null_mut();").unwrap();
+       writeln!(w, "\t\tlet ret = unsafe {{ Box::from_raw(core::slice::from_raw_parts_mut(self.data, self.datalen)) }}.into();").unwrap();
+       writeln!(w, "\t\tself.data = core::ptr::null_mut();").unwrap();
        writeln!(w, "\t\tself.datalen = 0;").unwrap();
        writeln!(w, "\t\tret").unwrap();
        writeln!(w, "\t}}").unwrap();
        writeln!(w, "\t#[allow(unused)] pub(crate) fn as_slice(&self) -> &[{}] {{", inner_type).unwrap();
-       writeln!(w, "\t\tunsafe {{ std::slice::from_raw_parts_mut(self.data, self.datalen) }}").unwrap();
+       writeln!(w, "\t\tunsafe {{ core::slice::from_raw_parts_mut(self.data, self.datalen) }}").unwrap();
        writeln!(w, "\t}}").unwrap();
        writeln!(w, "}}").unwrap();
 
@@ -250,7 +250,7 @@ pub fn write_vec_block<W: std::io::Write>(w: &mut W, mangled_container: &str, in
        writeln!(w, "impl Drop for {} {{", mangled_container).unwrap();
        writeln!(w, "\tfn drop(&mut self) {{").unwrap();
        writeln!(w, "\t\tif self.datalen == 0 {{ return; }}").unwrap();
-       writeln!(w, "\t\tunsafe {{ Box::from_raw(std::slice::from_raw_parts_mut(self.data, self.datalen)) }};").unwrap();
+       writeln!(w, "\t\tunsafe {{ Box::from_raw(core::slice::from_raw_parts_mut(self.data, self.datalen)) }};").unwrap();
        writeln!(w, "\t}}").unwrap();
        writeln!(w, "}}").unwrap();
        if clonable {
@@ -258,7 +258,7 @@ pub fn write_vec_block<W: std::io::Write>(w: &mut W, mangled_container: &str, in
                writeln!(w, "\tfn clone(&self) -> Self {{").unwrap();
                writeln!(w, "\t\tlet mut res = Vec::new();").unwrap();
                writeln!(w, "\t\tif self.datalen == 0 {{ return Self::from(res); }}").unwrap();
-               writeln!(w, "\t\tres.extend_from_slice(unsafe {{ std::slice::from_raw_parts_mut(self.data, self.datalen) }});").unwrap();
+               writeln!(w, "\t\tres.extend_from_slice(unsafe {{ core::slice::from_raw_parts_mut(self.data, self.datalen) }});").unwrap();
                writeln!(w, "\t\tSelf::from(res)").unwrap();
                writeln!(w, "\t}}").unwrap();
                writeln!(w, "}}").unwrap();