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1985
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1 /*
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2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 *
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23 */
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24
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25 #include <stdio.h>
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26 #include <string.h>
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27 #include "jli_util.h"
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28
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29 #ifdef GAMMA
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30 #ifdef _WINDOWS
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31 #define strdup _strdup
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32 #endif
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33 #endif
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34
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35 /*
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36 * Returns a pointer to a block of at least 'size' bytes of memory.
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37 * Prints error message and exits if the memory could not be allocated.
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38 */
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39 void *
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40 JLI_MemAlloc(size_t size)
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41 {
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42 void *p = malloc(size);
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43 if (p == 0) {
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44 perror("malloc");
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45 exit(1);
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46 }
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47 return p;
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48 }
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49
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50 /*
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51 * Equivalent to realloc(size).
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52 * Prints error message and exits if the memory could not be reallocated.
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53 */
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54 void *
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55 JLI_MemRealloc(void *ptr, size_t size)
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56 {
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57 void *p = realloc(ptr, size);
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58 if (p == 0) {
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59 perror("realloc");
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60 exit(1);
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61 }
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62 return p;
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63 }
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64
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65 /*
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66 * Wrapper over strdup(3C) which prints an error message and exits if memory
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67 * could not be allocated.
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68 */
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69 char *
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70 JLI_StringDup(const char *s1)
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71 {
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72 char *s = strdup(s1);
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73 if (s == NULL) {
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74 perror("strdup");
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75 exit(1);
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76 }
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77 return s;
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78 }
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79
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80 /*
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81 * Very equivalent to free(ptr).
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82 * Here to maintain pairing with the above routines.
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83 */
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84 void
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85 JLI_MemFree(void *ptr)
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86 {
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87 free(ptr);
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88 }
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