Which of the following glibc stdio extensions are supported by AST stdio?
Glibc notes
The GNU C library allows the following extensions for the
string specified in mode:
c (since glibc 2.3.3)
Do not make the open operation, or subsequent read and
write operations, thread cancellation points. This flag is ignored
for fdopen().
e (since glibc 2.7)
Open the file with the O_CLOEXEC flag. See open(2) for
more information. This flag is ignored for fdopen().
m (since glibc 2.3)
Attempt to access the file using mmap(2), rather than
I/O system calls (read(2), write(2)). Currently, use of mmap(2) is
attempted only for a file opened for
reading.
x Open the file exclusively (like the O_EXCL flag of
open(2)). If the file already exists, fopen() fails, and sets errno
to EEXIST. This flag is ignored for
fdopen().
Ced
--
Cedric Blancher <cedric.blanc...@gmail.com>
Institute Pasteur
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