Fix WASI Path Mapping Processing #3923
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dpjohnst
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no1wudi,
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Filesystem paths can be mapped from the host path to a guest path using the format `<guest-path>::<host-path>`. Previously `strtok` was used to find the `::` delimiter. Unfortunately `strtok` processes each delimiter character individually. This meant that the code was ~equivalent to `strtok(mapping_copy, ":")` which breaks with Windows-style paths (E.g. `C:\my_path\`). To fix this `strstr` is used to search for the exact delimiter.
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Filesystem paths can be mapped from the host path to a guest path using the format
<guest-path>::<host-path>.Previously
strtokwas used to find the::delimiter. Unfortunatelystrtokprocesses each delimiter character individually. This meant that the code was ~equivalent tostrtok(mapping_copy, ":")which breaks with Windows-style paths (E.g.C:\my_path\).To fix this
strstris used to search for the exact delimiter.