--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.base/share/native/libjli/jli_util.c	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,240 @@
+/*
+ * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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 General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+#include "jli_util.h"
+
+/*
+ * Returns a pointer to a block of at least 'size' bytes of memory.
+ * Prints error message and exits if the memory could not be allocated.
+ */
+void *
+JLI_MemAlloc(size_t size)
+{
+    void *p = malloc(size);
+    if (p == 0) {
+        perror("malloc");
+        exit(1);
+    }
+    return p;
+}
+
+/*
+ * Equivalent to realloc(size).
+ * Prints error message and exits if the memory could not be reallocated.
+ */
+void *
+JLI_MemRealloc(void *ptr, size_t size)
+{
+    void *p = realloc(ptr, size);
+    if (p == 0) {
+        perror("realloc");
+        exit(1);
+    }
+    return p;
+}
+
+/*
+ * Wrapper over strdup(3C) which prints an error message and exits if memory
+ * could not be allocated.
+ */
+char *
+JLI_StringDup(const char *s1)
+{
+    char *s = strdup(s1);
+    if (s == NULL) {
+        perror("strdup");
+        exit(1);
+    }
+    return s;
+}
+
+/*
+ * Very equivalent to free(ptr).
+ * Here to maintain pairing with the above routines.
+ */
+void
+JLI_MemFree(void *ptr)
+{
+    free(ptr);
+}
+
+/*
+ * debug helpers we use
+ */
+static jboolean _launcher_debug = JNI_FALSE;
+
+void
+JLI_TraceLauncher(const char* fmt, ...)
+{
+    va_list vl;
+    if (_launcher_debug != JNI_TRUE) return;
+    va_start(vl, fmt);
+    vprintf(fmt,vl);
+    va_end(vl);
+    fflush(stdout);
+}
+
+void
+JLI_SetTraceLauncher()
+{
+   if (getenv(JLDEBUG_ENV_ENTRY) != 0) {
+        _launcher_debug = JNI_TRUE;
+        JLI_TraceLauncher("----%s----\n", JLDEBUG_ENV_ENTRY);
+   }
+}
+
+jboolean
+JLI_IsTraceLauncher()
+{
+   return _launcher_debug;
+}
+
+int
+JLI_StrCCmp(const char *s1, const char* s2)
+{
+   return JLI_StrNCmp(s1, s2, JLI_StrLen(s2));
+}
+
+JLI_List
+JLI_List_new(size_t capacity)
+{
+    JLI_List l = (JLI_List) JLI_MemAlloc(sizeof(struct JLI_List_));
+    l->capacity = capacity;
+    l->elements = (char **) JLI_MemAlloc(capacity * sizeof(l->elements[0]));
+    l->size = 0;
+    return l;
+}
+
+void
+JLI_List_free(JLI_List sl)
+{
+    if (sl) {
+        if (sl->elements) {
+            size_t i;
+            for (i = 0; i < sl->size; i++)
+                JLI_MemFree(sl->elements[i]);
+            JLI_MemFree(sl->elements);
+        }
+        JLI_MemFree(sl);
+    }
+}
+
+void
+JLI_List_ensureCapacity(JLI_List sl, size_t capacity)
+{
+    if (sl->capacity < capacity) {
+        while (sl->capacity < capacity)
+            sl->capacity *= 2;
+        sl->elements = JLI_MemRealloc(sl->elements,
+            sl->capacity * sizeof(sl->elements[0]));
+    }
+}
+
+void
+JLI_List_add(JLI_List sl, char *str)
+{
+    JLI_List_ensureCapacity(sl, sl->size+1);
+    sl->elements[sl->size++] = str;
+}
+
+void
+JLI_List_addSubstring(JLI_List sl, const char *beg, size_t len)
+{
+    char *str = (char *) JLI_MemAlloc(len+1);
+    memcpy(str, beg, len);
+    str[len] = '\0';
+    JLI_List_ensureCapacity(sl, sl->size+1);
+    sl->elements[sl->size++] = str;
+}
+
+char *
+JLI_List_combine(JLI_List sl)
+{
+    size_t i;
+    size_t size;
+    char *str;
+    char *p;
+    for (i = 0, size = 1; i < sl->size; i++)
+        size += JLI_StrLen(sl->elements[i]);
+
+    str = JLI_MemAlloc(size);
+
+    for (i = 0, p = str; i < sl->size; i++) {
+        size_t len = JLI_StrLen(sl->elements[i]);
+        memcpy(p, sl->elements[i], len);
+        p += len;
+    }
+    *p = '\0';
+
+    return str;
+}
+
+char *
+JLI_List_join(JLI_List sl, char sep)
+{
+    size_t i;
+    size_t size;
+    char *str;
+    char *p;
+    for (i = 0, size = 1; i < sl->size; i++)
+        size += JLI_StrLen(sl->elements[i]) + 1;
+
+    str = JLI_MemAlloc(size);
+
+    for (i = 0, p = str; i < sl->size; i++) {
+        size_t len = JLI_StrLen(sl->elements[i]);
+        if (i > 0) *p++ = sep;
+        memcpy(p, sl->elements[i], len);
+        p += len;
+    }
+    *p = '\0';
+
+    return str;
+}
+
+JLI_List
+JLI_List_split(const char *str, char sep)
+{
+    const char *p, *q;
+    size_t len = JLI_StrLen(str);
+    int count;
+    JLI_List sl;
+    for (count = 1, p = str; p < str + len; p++)
+        count += (*p == sep);
+    sl = JLI_List_new(count);
+    for (p = str;;) {
+        for (q = p; q <= str + len; q++) {
+            if (*q == sep || *q == '\0') {
+                JLI_List_addSubstring(sl, p, q - p);
+                if (*q == '\0')
+                    return sl;
+                p = q + 1;
+            }
+        }
+    }
+}