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| author | Ulrich Drepper <drepper@redhat.com> | 2000-09-06 03:37:22 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2000-09-06 03:37:22 +0000 |
| commit | b853e8fa2ef3dafe300b386426012509a50d6175 (patch) | |
| tree | e6a33bfb0c7b3da236b674a3f981e5e3cf61bfa8 /libio | |
| parent | 10878c33f13e20b77fe8b49f9185e2d9a03be45a (diff) | |
| download | glibc-b853e8fa2ef3dafe300b386426012509a50d6175.tar glibc-b853e8fa2ef3dafe300b386426012509a50d6175.tar.gz glibc-b853e8fa2ef3dafe300b386426012509a50d6175.tar.bz2 glibc-b853e8fa2ef3dafe300b386426012509a50d6175.zip | |
(_IO_fwide): If compatibility with glibc 2.0 is needed tst for such an old structure and don't do anything.
Diffstat (limited to 'libio')
| -rw-r--r-- | libio/iofwide.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/libio/iofwide.c b/libio/iofwide.c index 231cc56c34..2e2854aa62 100644 --- a/libio/iofwide.c +++ b/libio/iofwide.c @@ -36,6 +36,7 @@ # include <locale/localeinfo.h> # include <wcsmbs/wcsmbsload.h> # include <iconv/gconv_int.h> +# include <shlib-compat.h> #endif @@ -96,9 +97,20 @@ _IO_fwide (fp, mode) /* Normalize the value. */ mode = mode < 0 ? -1 : (mode == 0 ? 0 : 1); - if (mode == 0 || fp->_mode != 0) - /* The caller simply wants to know about the current orientation - or the orientation already has been determined. */ + if (mode == 0) + /* The caller simply wants to know about the current orientation. */ + return fp->_mode; + +#if defined SHARED && defined _LIBC \ + && SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_1) + if (__builtin_expect (&_IO_stdin_used == NULL, 0) + && (fp == _IO_stdin || fp == _IO_stdout || fp == _IO_stderr)) + /* This is for a stream in the glibc 2.0 format. */ + return -1; +#endif + + if (fp->_mode != 0) + /* The orientation already has been determined. */ return fp->_mode; /* Set the orientation appropriately. */ |