diff options
| -rw-r--r-- | man3/fmemopen.3 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/man3/fmemopen.3 b/man3/fmemopen.3 index ea09636099..39ea297e30 100644 --- a/man3/fmemopen.3 +++ b/man3/fmemopen.3 @@ -233,6 +233,22 @@ sets the initial file position to the first null byte, but the end of the stream) does not force subsequent writes to append at the end of the stream. +If the +.I mode +argument to +.BR fmemopen () +specifies append ("a" or "a+"), and the +.I size +argument does not cover a null byte in +.IR buf +then, according to POSIX.1-2008, +the initial file position should be set to +the next byte after the end of the buffer. +However, in this case the glibc +.\" FIXME http://sourceware.org/bugzilla/show_bug.cgi?id=13151 +.BR fmemopen () +sets the file position to \-1. + The glibc 2.9 addition of "binary" mode for .BR fmemopen () .\" http://sourceware.org/bugzilla/show_bug.cgi?id=6544 |