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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 | /****************************************************************************** * * Module Name: cmalloc - local memory allocation routines * $Revision: 84 $ * *****************************************************************************/ /* * Copyright (C) 2000, 2001 R. Byron Moore * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "acpi.h" #include "acparser.h" #include "acinterp.h" #include "acnamesp.h" #include "acglobal.h" #define _COMPONENT MISCELLANEOUS MODULE_NAME ("cmalloc") /***************************************************************************** * * FUNCTION: _Cm_allocate * * PARAMETERS: Size - Size of the allocation * Component - Component type of caller * Module - Source file name of caller * Line - Line number of caller * * RETURN: Address of the allocated memory on success, NULL on failure. * * DESCRIPTION: The subsystem's equivalent of malloc. * ****************************************************************************/ void * _cm_allocate ( u32 size, u32 component, NATIVE_CHAR *module, u32 line) { void *address = NULL; /* Check for an inadvertent size of zero bytes */ if (!size) { _REPORT_ERROR (module, line, component, ("Cm_allocate: Attempt to allocate zero bytes\n")); size = 1; } address = acpi_os_allocate (size); if (!address) { /* Report allocation error */ _REPORT_ERROR (module, line, component, ("Cm_allocate: Could not allocate size %X\n", size)); return (NULL); } return (address); } /***************************************************************************** * * FUNCTION: _Cm_callocate * * PARAMETERS: Size - Size of the allocation * Component - Component type of caller * Module - Source file name of caller * Line - Line number of caller * * RETURN: Address of the allocated memory on success, NULL on failure. * * DESCRIPTION: Subsystem equivalent of calloc. * ****************************************************************************/ void * _cm_callocate ( u32 size, u32 component, NATIVE_CHAR *module, u32 line) { void *address = NULL; /* Check for an inadvertent size of zero bytes */ if (!size) { _REPORT_ERROR (module, line, component, ("Cm_callocate: Attempt to allocate zero bytes\n")); return (NULL); } address = acpi_os_callocate (size); if (!address) { /* Report allocation error */ _REPORT_ERROR (module, line, component, ("Cm_callocate: Could not allocate size %X\n", size)); return (NULL); } return (address); } /***************************************************************************** * * FUNCTION: _Cm_free * * PARAMETERS: Address - Address of the memory to deallocate * Component - Component type of caller * Module - Source file name of caller * Line - Line number of caller * * RETURN: None * * DESCRIPTION: Frees the memory at Address * ****************************************************************************/ void _cm_free ( void *address, u32 component, NATIVE_CHAR *module, u32 line) { if (NULL == address) { _REPORT_ERROR (module, line, component, ("_Cm_free: Trying to delete a NULL address\n")); return; } acpi_os_free (address); return; } |