From: Ulrich Drepper <drepper@redhat.com>
Date: Tue, 6 Jul 1999 15:40:36 +0000 (+0000)
Subject: (_IO_new_fdopen): Set EINVAL if MODE is not allowed by the file access
X-Git-Tag: cvs/glibc_2-1-2~335
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=8c8e3c5ed1f9dcd4351bf7f7e6be2f4b6c3fac52;p=thirdparty%2Fglibc.git

(_IO_new_fdopen): Set EINVAL if MODE is not allowed by the file access
mode of the open file.
---

diff --git a/libio/iofdopen.c b/libio/iofdopen.c
index 40419bd267c..c71258e6315 100644
--- a/libio/iofdopen.c
+++ b/libio/iofdopen.c
@@ -76,10 +76,15 @@ _IO_new_fdopen (fd, mode)
 #ifndef O_ACCMODE
 #define O_ACCMODE (O_RDONLY|O_WRONLY|O_RDWR)
 #endif
-  if (fd_flags == -1
-      || ((fd_flags & O_ACCMODE) == O_RDONLY && !(read_write & _IO_NO_WRITES))
-      || ((fd_flags & O_ACCMODE) == O_WRONLY && !(read_write & _IO_NO_READS)))
+  if (fd_flags == -1)
     return NULL;
+  
+  if (((fd_flags & O_ACCMODE) == O_RDONLY && !(read_write & _IO_NO_WRITES))
+      || ((fd_flags & O_ACCMODE) == O_WRONLY && !(read_write & _IO_NO_READS)))
+    {
+      MAYBE_SET_EINVAL;
+      return NULL;
+    }
 
   /* The May 93 draft of P1003.4/D14.1 (redesignated as 1003.1b)
      [System Application Program Interface (API) Amendment 1: