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wasm-linker: fix splitSegmentName and add unit test

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This commit is contained in:
Andrew Kelley 2025-01-09 21:56:49 -08:00
parent 788b7f8f11
commit d999a8e33b
1 changed files with 9 additions and 1 deletions
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10
src/link/Wasm/Flush.zig
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@ -1182,10 +1182,18 @@ fn emitProducerSection(gpa: Allocator, binary_bytes: *std.ArrayListUnmanaged(u8)
fn splitSegmentName(name: []const u8) struct { []const u8, []const u8 } {
const start = @intFromBool(name.len >= 1 and name[0] == '.');
const pivot = mem.indexOfScalarPos(u8, name, start, '.') orelse 0;
const pivot = mem.indexOfScalarPos(u8, name, start, '.') orelse name.len;
return .{ name[0..pivot], name[pivot..] };
}
test splitSegmentName {
{
const a, const b = splitSegmentName(".data");
try std.testing.expectEqualStrings(".data", a);
try std.testing.expectEqualStrings("", b);
}
}
fn wantSegmentMerge(
wasm: *const Wasm,
a_id: Wasm.DataSegmentId,