hotspot/src/share/tools/launcher/jli_util.c
changeset 7410 f5b282e7a7a6
child 7452 b3fa838286de
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/tools/launcher/jli_util.c	Thu Dec 02 05:45:54 2010 -0800
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 1999, 2010, 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.
+ *
+ * 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 "jli_util.h"
+
+#ifdef GAMMA
+#ifdef _WINDOWS
+#define strdup _strdup
+#endif
+#endif
+
+/*
+ * 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);
+}