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add a note about cwd with _path description

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svn: r15150
This commit is contained in:
Matthew Flatt 2009-06-12 01:39:56 +00:00
parent 41b969c205
commit e704cc05cd
1 changed files with 8 additions and 1 deletions
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9
collects/scribblings/foreign/types.scrbl
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@ -183,7 +183,14 @@ Unicode strings in UTF-16 format. As usual, the types treat
@defthing[_path ctype?]{
Simple @cpp{char*} strings, corresponding to Scheme's paths. As usual,
the types treat @scheme[#f] as @cpp{NULL} and vice-versa.}
the types treat @scheme[#f] as @cpp{NULL} and vice-versa.
Beware that changing the current directory via
@scheme[current-directory] does not change the OS-level current
directory as seen by foreign library functions. Paths normally should
be converted to absolute form using @scheme[path->complete-path]
(which uses the @scheme[current-directory] parameter) before passing
them to a foreign function.}
@defthing[_symbol ctype?]{