44 lines
906 B
Go
44 lines
906 B
Go
package exec
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import (
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"errors"
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"fmt"
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wasiv1 "code.icb4dc0.de/buildr/api/generated/wasi/v1"
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"code.icb4dc0.de/buildr/wasi-module-sdk-go/mem"
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)
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func LookPath(file string) (string, error) {
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lookupPathReq := &wasiv1.LookupPathRequest{
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Command: file,
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}
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data, err := lookupPathReq.MarshalVT()
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if err != nil {
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return "", err
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}
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result := _lookPath(mem.DataToManagedPtr(data))
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if result == 0 {
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return "", fmt.Errorf("failed to lookup in path: %s", file)
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}
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resultPtr := uint32(result >> 32)
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resultSize := uint32(result)
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if resultSize == 0 {
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return "", fmt.Errorf("failed to lookup in path: %s", file)
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}
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lookupPathResp := new(wasiv1.LookupPathResponse)
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if err := lookupPathResp.UnmarshalVT(mem.PtrToData(resultPtr, resultSize)); err != nil {
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return "", err
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}
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if len(lookupPathResp.Error) > 0 {
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return "", errors.New(lookupPathResp.Error)
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}
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return lookupPathResp.Path, nil
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}
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