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check against null in dc_backup_provider_unref() (#4232)

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this is what we're doing in most comparable unref() functions.
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bjoern
2023-03-26 19:25:23 +02:00
committed by GitHub
parent 0dfec83b0f
commit 070d832580
1 changed files with 4 additions and 0 deletions
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4
deltachat-ffi/src/lib.rs
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@@ -4230,6 +4230,10 @@ pub unsafe extern "C" fn dc_backup_provider_wait(provider: *mut dc_backup_provid
#[no_mangle] #[no_mangle]
pub unsafe extern "C" fn dc_backup_provider_unref(provider: *mut dc_backup_provider_t) { pub unsafe extern "C" fn dc_backup_provider_unref(provider: *mut dc_backup_provider_t) {
if provider.is_null() {
eprintln!("ignoring careless call to dc_backup_provider_unref()");
return;
}
drop(Box::from_raw(provider)); drop(Box::from_raw(provider));
} }