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manual: clarify fopen with the x flag

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* manual/stdio.texi (Opening Streams): Say how glibc's
implementation of fopen with "x" follows ISO C11.
This commit is contained in:
Paul Eggert 2019-12-11 09:34:06 -08:00
parent fcee34cc37
commit ef4e158c73
1 changed files with 3 additions and 1 deletions
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manual/stdio.texi
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@ -216,7 +216,9 @@ exists, @code{fopen} fails rather than opening it. If you use
file. This is equivalent to the @code{O_EXCL} option to the
@code{open} function (@pxref{Opening and Closing Files}).
The @samp{x} modifier is part of @w{ISO C11}.
The @samp{x} modifier is part of @w{ISO C11}, which says the file is
created with exclusive access; in @theglibc{} this means the
equivalent of @code{O_EXCL}.
@end table
The character @samp{b} in @var{opentype} has a standard meaning; it