hotspot/src/share/tools/launcher/jli_util.c
changeset 17937 eb32dc973706
parent 17936 2a33a19ee977
parent 17670 8339e359fd41
child 17938 af1b01dfea42
equal deleted inserted replaced
17936:2a33a19ee977 17937:eb32dc973706
     1 
       
     2 /*
       
     3  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
       
     4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       
     5  *
       
     6  * This code is free software; you can redistribute it and/or modify it
       
     7  * under the terms of the GNU General Public License version 2 only, as
       
     8  * published by the Free Software Foundation.
       
     9  *
       
    10  * This code is distributed in the hope that it will be useful, but WITHOUT
       
    11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
    12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
       
    13  * version 2 for more details (a copy is included in the LICENSE file that
       
    14  * accompanied this code).
       
    15  *
       
    16  * You should have received a copy of the GNU General Public License version
       
    17  * 2 along with this work; if not, write to the Free Software Foundation,
       
    18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
       
    19  *
       
    20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
       
    21  * or visit www.oracle.com if you need additional information or have any
       
    22  * questions.
       
    23  *
       
    24  */
       
    25 
       
    26 #include <stdio.h>
       
    27 #include <string.h>
       
    28 #include "jli_util.h"
       
    29 
       
    30 #ifdef GAMMA
       
    31 #ifdef TARGET_OS_FAMILY_windows
       
    32 #define strdup _strdup
       
    33 #endif
       
    34 #endif
       
    35 
       
    36 /*
       
    37  * Returns a pointer to a block of at least 'size' bytes of memory.
       
    38  * Prints error message and exits if the memory could not be allocated.
       
    39  */
       
    40 void *
       
    41 JLI_MemAlloc(size_t size)
       
    42 {
       
    43     void *p = malloc(size);
       
    44     if (p == 0) {
       
    45         perror("malloc");
       
    46         exit(1);
       
    47     }
       
    48     return p;
       
    49 }
       
    50 
       
    51 /*
       
    52  * Equivalent to realloc(size).
       
    53  * Prints error message and exits if the memory could not be reallocated.
       
    54  */
       
    55 void *
       
    56 JLI_MemRealloc(void *ptr, size_t size)
       
    57 {
       
    58     void *p = realloc(ptr, size);
       
    59     if (p == 0) {
       
    60         perror("realloc");
       
    61         exit(1);
       
    62     }
       
    63     return p;
       
    64 }
       
    65 
       
    66 /*
       
    67  * Wrapper over strdup(3C) which prints an error message and exits if memory
       
    68  * could not be allocated.
       
    69  */
       
    70 char *
       
    71 JLI_StringDup(const char *s1)
       
    72 {
       
    73     char *s = strdup(s1);
       
    74     if (s == NULL) {
       
    75         perror("strdup");
       
    76         exit(1);
       
    77     }
       
    78     return s;
       
    79 }
       
    80 
       
    81 /*
       
    82  * Very equivalent to free(ptr).
       
    83  * Here to maintain pairing with the above routines.
       
    84  */
       
    85 void
       
    86 JLI_MemFree(void *ptr)
       
    87 {
       
    88     free(ptr);
       
    89 }