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authorUlrich Drepper <drepper@redhat.com>2000-01-26 06:55:29 +0000
committerUlrich Drepper <drepper@redhat.com>2000-01-26 06:55:29 +0000
commit4e2e99997a2890df8ab5d7b86646a2b067eb8723 (patch)
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parentc36897fb5bef95d586557f960840ee0c614adabf (diff)
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Update.
* libio/fileops.c (_IO_new_file_open): Recognize ,ccs= in mode string and load appropriate conversions. * libio/iofwide.c (__libio_codecvt): Renamed from libio_codecvt and made global. * libio/libioP.h: Declare __libio_codecvt. * manual/stdio.texi: Document ,ccs= option for fopen. * wcsmbs/wcsmbsload.c (__wcsmbs_named_conv): New function. * wcsmbs/wcsmbsload.h (__wcsmbs_named_conv): Declare. * libio/iofclose.c: Free conversion data if stream was wide-oriented. * sysdeps/unix/sysv/linux/i386/Dist: Add sys/io.h.
Diffstat (limited to 'manual')
-rw-r--r--manual/stdio.texi15
1 files changed, 15 insertions, 0 deletions
diff --git a/manual/stdio.texi b/manual/stdio.texi
index 882494c..98c4de7 100644
--- a/manual/stdio.texi
+++ b/manual/stdio.texi
@@ -206,6 +206,21 @@ difference in POSIX systems (including the GNU system). If both
@samp{+} and @samp{b} are specified, they can appear in either order.
@xref{Binary Streams}.
+@cindex stream orientation
+@cindex orientation, stream
+If the @var{opentype} string contains the sequence
+@code{,ccs=@var{STRING}} then @var{STRING} is taken as the name of a
+coded character set and @code{fopen} will mark the stream as
+wide-oriented which appropriate conversion functions in place to convert
+from and to the character set @var{STRING} is place. Any other stream
+is opened initially unoriented and the orientation is decided with the
+first file operation. If the first operation is a wide character
+operation, the stream is not only marked as wide-oriented, also the
+conversion functions to convert to the coded character set used for the
+current locale are loaded. This will not change anymore from this point
+on even if the locale selected for the @code{LC_CTYPE} category is
+changed.
+
Any other characters in @var{opentype} are simply ignored. They may be
meaningful in other systems.