[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/posix/execlp.c b/ap/libc/glibc/glibc-2.22/posix/execlp.c
new file mode 100644
index 0000000..5e45de9
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/posix/execlp.c
@@ -0,0 +1,72 @@
+/* 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 <unistd.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <stackinfo.h>
+
+/* Execute FILE, searching in the `PATH' environment variable if
+   it contains no slashes, with all arguments after FILE until a
+   NULL pointer and environment from `environ'.  */
+int
+execlp (const char *file, const char *arg, ...)
+{
+#define INITIAL_ARGV_MAX 1024
+  size_t argv_max = INITIAL_ARGV_MAX;
+  const char *initial_argv[INITIAL_ARGV_MAX];
+  const char **argv = initial_argv;
+  va_list args;
+
+  argv[0] = arg;
+
+  va_start (args, arg);
+  unsigned int i = 0;
+  while (argv[i++] != NULL)
+    {
+      if (i == argv_max)
+	{
+	  argv_max *= 2;
+	  const char **nptr = realloc (argv == initial_argv ? NULL : argv,
+				       argv_max * sizeof (const char *));
+	  if (nptr == NULL)
+	    {
+	      if (argv != initial_argv)
+		free (argv);
+	      return -1;
+	    }
+	  if (argv == initial_argv)
+	    /* We have to copy the already filled-in data ourselves.  */
+	    memcpy (nptr, argv, i * sizeof (const char *));
+
+	  argv = nptr;
+	}
+
+      argv[i] = va_arg (args, const char *);
+    }
+  va_end (args);
+
+  int ret = execvp (file, (char *const *) argv);
+  if (argv != initial_argv)
+    free (argv);
+
+  return ret;
+}
+libc_hidden_def (execlp)