[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/stdio-common/perror.c b/ap/libc/glibc/glibc-2.22/stdio-common/perror.c
new file mode 100644
index 0000000..f28d055
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/stdio-common/perror.c
@@ -0,0 +1,83 @@
+/* Copyright (C) 1991-2015 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 <errno.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <wchar.h>
+#include "libioP.h"
+
+static void
+perror_internal (FILE *fp, const char *s, int errnum)
+{
+ char buf[1024];
+ const char *colon;
+ const char *errstring;
+
+ if (s == NULL || *s == '\0')
+ s = colon = "";
+ else
+ colon = ": ";
+
+ errstring = __strerror_r (errnum, buf, sizeof buf);
+
+ (void) __fxprintf (fp, "%s%s%s\n", s, colon, errstring);
+}
+
+
+/* Print a line on stderr consisting of the text in S, a colon, a space,
+ a message describing the meaning of the contents of `errno' and a newline.
+ If S is NULL or "", the colon and space are omitted. */
+void
+perror (const char *s)
+{
+ int errnum = errno;
+ FILE *fp;
+ int fd = -1;
+
+
+ /* The standard says that 'perror' must not change the orientation
+ of the stream. What is supposed to happen when the stream isn't
+ oriented yet? In this case we'll create a new stream which is
+ using the same underlying file descriptor. */
+ if (__builtin_expect (_IO_fwide (stderr, 0) != 0, 1)
+ || (fd = __fileno (stderr)) == -1
+ || (fd = __dup (fd)) == -1
+ || (fp = fdopen (fd, "w+")) == NULL)
+ {
+ if (__glibc_unlikely (fd != -1))
+ __close (fd);
+
+ /* Use standard error as is. */
+ perror_internal (stderr, s, errnum);
+ }
+ else
+ {
+ /* We don't have to do any special hacks regarding the file
+ position. Since the stderr stream wasn't used so far we just
+ write to the descriptor. */
+ perror_internal (fp, s, errnum);
+
+ if (_IO_ferror_unlocked (fp))
+ stderr->_flags |= _IO_ERR_SEEN;
+
+ /* Close the stream. */
+ fclose (fp);
+ }
+}
+libc_hidden_def (perror)