1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/tools/launcher/jli_util.c Thu Dec 02 05:45:54 2010 -0800
1.3 @@ -0,0 +1,88 @@
1.4 +/*
1.5 + * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#include <stdio.h>
1.29 +#include <string.h>
1.30 +#include "jli_util.h"
1.31 +
1.32 +#ifdef GAMMA
1.33 +#ifdef _WINDOWS
1.34 +#define strdup _strdup
1.35 +#endif
1.36 +#endif
1.37 +
1.38 +/*
1.39 + * Returns a pointer to a block of at least 'size' bytes of memory.
1.40 + * Prints error message and exits if the memory could not be allocated.
1.41 + */
1.42 +void *
1.43 +JLI_MemAlloc(size_t size)
1.44 +{
1.45 + void *p = malloc(size);
1.46 + if (p == 0) {
1.47 + perror("malloc");
1.48 + exit(1);
1.49 + }
1.50 + return p;
1.51 +}
1.52 +
1.53 +/*
1.54 + * Equivalent to realloc(size).
1.55 + * Prints error message and exits if the memory could not be reallocated.
1.56 + */
1.57 +void *
1.58 +JLI_MemRealloc(void *ptr, size_t size)
1.59 +{
1.60 + void *p = realloc(ptr, size);
1.61 + if (p == 0) {
1.62 + perror("realloc");
1.63 + exit(1);
1.64 + }
1.65 + return p;
1.66 +}
1.67 +
1.68 +/*
1.69 + * Wrapper over strdup(3C) which prints an error message and exits if memory
1.70 + * could not be allocated.
1.71 + */
1.72 +char *
1.73 +JLI_StringDup(const char *s1)
1.74 +{
1.75 + char *s = strdup(s1);
1.76 + if (s == NULL) {
1.77 + perror("strdup");
1.78 + exit(1);
1.79 + }
1.80 + return s;
1.81 +}
1.82 +
1.83 +/*
1.84 + * Very equivalent to free(ptr).
1.85 + * Here to maintain pairing with the above routines.
1.86 + */
1.87 +void
1.88 +JLI_MemFree(void *ptr)
1.89 +{
1.90 + free(ptr);
1.91 +}
