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use AT_FDCWD instead of -1

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This commit is contained in:
leitner 2016-07-14 16:47:05 +00:00
parent 5c999f4c62
commit c3c05dd884
1 changed files with 2 additions and 1 deletions
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mmap/mmap_readat.3
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@ -10,7 +10,8 @@ mmap_readat opens \fIfilename\fR for reading, maps the whole file into
memory, closes the file, writes the length of the file to \fIfilesize\fR
and returns a pointer to the mapped file.
If \fIfilename\fR is a relative path and \fIdirfd\fR is not -1,
If \fIfilename\fR is a relative path and \fIdirfd\fR is not AT_FDCWD
(defined in fcntl.h),
\fIfilename\fR is interpreted relative to \fIdirfd\fR, which must be an
open directory.