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| author | Fred Drake <fdrake@acm.org> | 2002-05-01 03:31:42 (GMT) |
|---|---|---|
| committer | Fred Drake <fdrake@acm.org> | 2002-05-01 03:31:42 (GMT) |
| commit | a65375c3e35b150e764658532923cb36a85d3e9e (patch) | |
| tree | 8716ae7d3e489a4189db0c037354f24bf0fa3a26 /Doc/lib/libos.tex | |
| parent | 7938fab2855e7e0f16d6591591535f44de13f5fe (diff) | |
| download | cpython-a65375c3e35b150e764658532923cb36a85d3e9e.zip cpython-a65375c3e35b150e764658532923cb36a85d3e9e.tar.gz cpython-a65375c3e35b150e764658532923cb36a85d3e9e.tar.bz2 | |
Explain what os.read() returns at end of file.
This closes SF bug #550409. Applying to release21-maint & release22-maint.
Diffstat (limited to 'Doc/lib/libos.tex')
| -rw-r--r-- | Doc/lib/libos.tex | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Doc/lib/libos.tex b/Doc/lib/libos.tex index 834e562..c956ab1 100644 --- a/Doc/lib/libos.tex +++ b/Doc/lib/libos.tex @@ -471,7 +471,9 @@ Availability: \UNIX, Windows. \begin{funcdesc}{read}{fd, n} Read at most \var{n} bytes from file descriptor \var{fd}. -Return a string containing the bytes read. +Return a string containing the bytes read. If the end of the file +referred to by \var{fd} has been reached, an empty string is +returned. Availability: Macintosh, \UNIX, Windows. Note: this function is intended for low-level I/O and must be applied |