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glib: fix GStringBuilder::copy_into #1827

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Merged
merged 1 commit into from
Sep 30, 2025
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glib: fix GStringBuilder::copy_into #1827

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15 changes: 14 additions & 1 deletion glib/src/gstring_builder.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@ wrapper! {
let allocated_len = (*src).allocated_len;
let inner = ffi::GString {
str: ffi::g_malloc(allocated_len) as *mut _,
len: 0,
len: (*src).len,
allocated_len,
};
// +1 to also copy the NUL-terminator
Expand Down Expand Up @@ -364,4 +364,17 @@ mod tests {
write!(&mut s, "bla bla {} bla", 123).unwrap();
assert_eq!(&*s, "bla bla 123 bla");
}

#[test]
fn ptr() {
use crate::{
ffi,
translate::{FromGlibPtrFull, IntoGlibPtr},
};

let s: crate::GStringBuilder = crate::GStringBuilder::new("This is a string.");
let s: *const ffi::GString = s.into_glib_ptr();
let s = unsafe { crate::GStringBuilder::from_glib_full(s) };
assert_eq!(&*s, "This is a string.");
}
}
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