freading: Adapt to special meaning of _IOREAD flag on Solaris.

diff --git a/ChangeLog b/ChangeLog
index 6f41379..254b5f1 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2010-05-01  Bruno Haible  <bruno@clisp.org>
 
+       freading: Adapt to special meaning of _IOREAD flag on Solaris.
+       * lib/freading.c (freading): On Solaris, ignore the _IOREAD flag if
+       the _IOWRT flag is also set.
+
+2010-05-01  Bruno Haible  <bruno@clisp.org>
+
        Fix doc about a HP-UX stdio bug.
        * doc/posix-functions/ftell.texi: Mark HP-UX bug as unfixed.
        * doc/posix-functions/ftello.texi: Likewise.

diff --git a/lib/freading.c b/lib/freading.c
index faca60e..bb78a1b 100644 (file)
--- a/lib/freading.c
+++ b/lib/freading.c
@@ -40,7 +40,11 @@ freading (FILE *fp)
 #elif defined __EMX__               /* emx+gcc */
   return (fp->_flags & _IOREAD) != 0;
 #elif defined _IOERR                /* AIX, HP-UX, IRIX, OSF/1, Solaris, OpenServer, mingw */
+# if defined __sun                  /* Solaris */
+  return (fp->_flag & _IOREAD) != 0 && (fp->_flag & _IOWRT) == 0;
+# else
   return (fp->_flag & _IOREAD) != 0;
+# endif
 #elif defined __UCLIBC__            /* uClibc */
   return (fp->__modeflags & (__FLAG_READONLY | __FLAG_READING)) != 0;
 #elif defined __QNX__               /* QNX */