[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/hurd/fopenport.c b/ap/libc/glibc/glibc-2.22/hurd/fopenport.c
new file mode 100644
index 0000000..11ccbba
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/hurd/fopenport.c
@@ -0,0 +1,132 @@
+/* Copyright (C) 1994-2015 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <hurd.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <string.h>
+
+/* Read up to N chars into BUF from COOKIE.
+ Return how many chars were read, 0 for EOF or -1 for error. */
+static ssize_t
+readio (void *cookie, char *buf, size_t n)
+{
+ mach_msg_type_number_t nread;
+ error_t err;
+ char *bufp = buf;
+
+ nread = n;
+ if (err = __io_read ((io_t) cookie, &bufp, &nread, -1, n))
+ return __hurd_fail (err);
+
+ if (bufp != buf)
+ {
+ memcpy (buf, bufp, nread);
+ __vm_deallocate (__mach_task_self (),
+ (vm_address_t) bufp, (vm_size_t) nread);
+ }
+
+ return nread;
+}
+
+/* Write up to N chars from BUF to COOKIE.
+ Return how many chars were written or -1 for error. */
+static ssize_t
+writeio (void *cookie, const char *buf, size_t n)
+{
+ mach_msg_type_number_t wrote;
+ error_t err;
+
+ if (err = __io_write ((io_t) cookie, buf, n, -1, &wrote))
+ return __hurd_fail (err);
+
+ return wrote;
+}
+
+/* Move COOKIE's file position *POS bytes, according to WHENCE.
+ The current file position is stored in *POS.
+ Returns zero if successful, nonzero if not. */
+static int
+seekio (void *cookie,
+ _IO_off64_t *pos,
+ int whence)
+{
+ error_t err = __io_seek ((file_t) cookie, *pos, whence, pos);
+ return err ? __hurd_fail (err) : 0;
+}
+
+/* Close the file associated with COOKIE.
+ Return 0 for success or -1 for failure. */
+static int
+closeio (void *cookie)
+{
+ error_t error = __mach_port_deallocate (__mach_task_self (),
+ (mach_port_t) cookie);
+ if (error)
+ return __hurd_fail (error);
+ return 0;
+}
+
+#include "../libio/libioP.h"
+#define fopencookie _IO_fopencookie
+static const cookie_io_functions_t funcsio =
+{ readio, writeio, seekio, closeio };
+
+
+/* Open a stream on PORT. MODE is as for fopen. */
+
+FILE *
+__fopenport (mach_port_t port, const char *mode)
+{
+ int pflags;
+ int needflags;
+ error_t err;
+
+ const char *m = mode;
+
+ switch (*m++)
+ {
+ case 'r':
+ needflags = O_READ;
+ break;
+ case 'w':
+ needflags = O_WRITE;
+ break;
+ case 'a':
+ needflags = O_WRITE|O_APPEND;
+ break;
+ default:
+ return NULL;
+ }
+ if (m[0] == '+' || (m[0] == 'b' && m[1] == '+'))
+ needflags |= O_RDWR;
+
+ /* Verify the PORT is valid allows the access MODE specifies. */
+
+ if (err = __io_get_openmodes (port, &pflags))
+ return __hurd_fail (err), NULL;
+
+ /* Check the access mode. */
+ if ((pflags & needflags) != needflags)
+ {
+ errno = EBADF;
+ return NULL;
+ }
+
+ return fopencookie ((void *) port, mode, funcsio);
+}
+weak_alias (__fopenport, fopenport)