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Diffstat (limited to 'gnulib/doc/posix-functions/open.texi')
| m--------- | gnulib | 0 | ||||
| -rw-r--r-- | gnulib/doc/posix-functions/open.texi | 41 |
2 files changed, 41 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/doc/posix-functions/open.texi b/gnulib/doc/posix-functions/open.texi new file mode 100644 index 0000000..cf6deff --- /dev/null +++ b/gnulib/doc/posix-functions/open.texi @@ -0,0 +1,41 @@ +@node open +@section @code{open} +@findex open + +POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/open.html} + +Gnulib module: open, fchdir + +Portability problems fixed by the Gnulib module open: +@itemize +@item +On platforms where @code{off_t} is a 32-bit type, @code{open} may not work +correctly with files larger than 2 GB. (Cf. @code{AC_SYS_LARGEFILE}.) +@item +This function does not fail when the file name argument ends in a slash +and (without the slash) names a nonexistent file or a file that is not a +directory, on some platforms: +FreeBSD 7.2, AIX 7.1, HP-UX 11.00, Solaris 9, Irix 5.3. +@item +This function does not support the @code{O_NONBLOCK} flag when it is defined +by the gnulib module @code{nonblocking} on some platforms: +mingw, MSVC 9. +@item +On Windows platforms (excluding Cygwin), this function does usually not +recognize the @file{/dev/null} filename. +@end itemize + +Portability problems fixed by the Gnulib module fchdir: +@itemize +@item +On Windows platforms (excluding Cygwin), this function fails to open a +read-only descriptor for directories. +@end itemize + +Portability problems not fixed by Gnulib: +@itemize +@item +On Windows, this function returns a file handle in @code{O_TEXT} mode by +default; this means that it translates '\n' to CR/LF by default. Use the +@code{O_BINARY} flag if you need reliable binary I/O. +@end itemize |