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Diffstat (limited to 'gnulib/doc/posix-functions/fopen.texi')
| m--------- | gnulib | 0 | ||||
| -rw-r--r-- | gnulib/doc/posix-functions/fopen.texi | 39 |
2 files changed, 39 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/doc/posix-functions/fopen.texi b/gnulib/doc/posix-functions/fopen.texi new file mode 100644 index 0000000..167a147 --- /dev/null +++ b/gnulib/doc/posix-functions/fopen.texi @@ -0,0 +1,39 @@ +@node fopen +@section @code{fopen} +@findex fopen + +POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/fopen.html} + +Gnulib module: fopen + +Portability problems fixed by Gnulib: +@itemize +@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: +HP-UX 11.00, AIX 7.1, Solaris 9, Irix 5.3. +@item +On platforms where @code{off_t} is a 32-bit type, @code{fopen} may not work +correctly with files larger than 2 GB. (Cf. @code{AC_SYS_LARGEFILE}.) +@item +On Windows platforms (excluding Cygwin), this function does usually not +recognize the @file{/dev/null} filename. +@end itemize + +Portability problems not fixed by Gnulib: +@itemize +@item +On Windows platforms (excluding Cygwin), this function does not set @code{errno} +upon failure. +@item +On Windows, this function returns a file stream in ``text'' mode by default; +this means that it translates @code{'\n'} to CR/LF by default. Use the +@code{"b"} flag if you need reliable binary I/O. +@item +On Windows platforms (excluding Cygwin), this function fails to open +directories for reading. Such streams have implementation-defined +semantics on other platforms. To avoid directory streams with a +consistent error message, use @code{fstat} after @code{open} and +@code{fdopen}, rather than @code{fopen} and @code{fileno}. +@end itemize |