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Fix memory leaks #70

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Fix memory leaks #70

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36 changes: 22 additions & 14 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -291,9 +291,11 @@ impl Metadata {
let metadata = gexiv2::gexiv2_metadata_new();
let ok = gexiv2::gexiv2_metadata_open_path(metadata, c_str_path.as_ptr(), &mut err);
if ok != 1 {
let err_msg = ffi::CStr::from_ptr((*err).message).to_str();
gexiv2::gexiv2_metadata_free(metadata);
let err_msg = ffi::CStr::from_ptr((*err).message).to_str().map(str::to_string);
gexiv2::g_error_free(err);
return Err(Rexiv2Error::Internal(
err_msg.ok().map(|msg| msg.to_string()),
err_msg.ok(),
));
}
Ok(Metadata { raw: metadata })
Expand All @@ -314,9 +316,11 @@ impl Metadata {
&mut err,
);
if ok != 1 {
let err_msg = ffi::CStr::from_ptr((*err).message).to_str();
gexiv2::gexiv2_metadata_free(metadata);
let err_msg = ffi::CStr::from_ptr((*err).message).to_str().map(str::to_string);
gexiv2::g_error_free(err);
return Err(Rexiv2Error::Internal(
err_msg.ok().map(|msg| msg.to_string()),
err_msg.ok(),
));
}
Ok(Metadata { raw: metadata })
Expand Down Expand Up @@ -346,9 +350,11 @@ impl Metadata {
&mut err,
);
if ok != 1 {
let err_msg = ffi::CStr::from_ptr((*err).message).to_str();
gexiv2::gexiv2_metadata_free(metadata);
let err_msg = ffi::CStr::from_ptr((*err).message).to_str().map(str::to_string);
gexiv2::g_error_free(err);
return Err(Rexiv2Error::Internal(
err_msg.ok().map(|msg| msg.to_string()),
err_msg.ok(),
));
}
Ok(Metadata { raw: metadata })
Expand All @@ -363,9 +369,10 @@ impl Metadata {
unsafe {
let ok = gexiv2::gexiv2_metadata_save_file(self.raw, c_str_path.as_ptr(), &mut err);
if ok != 1 {
let err_msg = ffi::CStr::from_ptr((*err).message).to_str();
let err_msg = ffi::CStr::from_ptr((*err).message).to_str().map(str::to_string);
gexiv2::g_error_free(err);
return Err(Rexiv2Error::Internal(
err_msg.ok().map(|msg| msg.to_string()),
err_msg.ok(),
));
}
Ok(())
Expand Down Expand Up @@ -729,9 +736,9 @@ impl Metadata {
if c_str_val.is_null() {
return Err(Rexiv2Error::NoValue);
}
let value = ffi::CStr::from_ptr(c_str_val).to_str()?.to_string();
let value = ffi::CStr::from_ptr(c_str_val).to_str().map(str::to_string);
libc::free(c_str_val as *mut libc::c_void);
Ok(value)
Ok(value?)
}
}

Expand Down Expand Up @@ -772,9 +779,9 @@ impl Metadata {
if c_str_val.is_null() {
return Err(Rexiv2Error::NoValue);
}
let value = ffi::CStr::from_ptr(c_str_val).to_str()?.to_string();
let value = ffi::CStr::from_ptr(c_str_val).to_str().map(str::to_string);
libc::free(c_str_val as *mut libc::c_void);
Ok(value)
Ok(value?)
}
}

Expand Down Expand Up @@ -1085,9 +1092,10 @@ impl Metadata {
&mut err,
);
if ok != 1 {
let err_msg = ffi::CStr::from_ptr((*err).message).to_str();
let err_msg = ffi::CStr::from_ptr((*err).message).to_str().map(str::to_string);
gexiv2::g_error_free(err);
return Err(Rexiv2Error::Internal(
err_msg.ok().map(|msg| msg.to_string()),
err_msg.ok(),
));
}
Ok(())
Expand Down