1 /* 2 * This file is part of gtkD. 3 * 4 * gtkD is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU Lesser General Public License 6 * as published by the Free Software Foundation; either version 3 7 * of the License, or (at your option) any later version, with 8 * some exceptions, please read the COPYING file. 9 * 10 * gtkD is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public License 16 * along with gtkD; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA 18 */ 19 20 // generated automatically - do not change 21 // find conversion definition on APILookup.txt 22 // implement new conversion functionalities on the wrap.utils pakage 23 24 25 module glib.MemorySlice; 26 27 private import glib.c.functions; 28 public import glib.c.types; 29 public import gtkc.glibtypes; 30 31 32 /** */ 33 public T* sliceNew(T)() 34 { 35 // We cant use sliceAlloc for the GLib array types. 36 // the actual array structs are larger than the ones used in the API. 37 static if ( is( T == GArray ) ) 38 return g_array_new(false, false, 1); 39 else static if ( is( T == GByteArray ) ) 40 return g_byte_array_new(); 41 else static if ( is( T == GPtrArray ) ) 42 return g_ptr_array_new(); 43 else 44 return cast(T*)g_slice_alloc0(T.sizeof); 45 } 46 47 public T* sliceAlloc(T)() 48 { 49 return cast(T*)g_slice_alloc0(T.sizeof); 50 } 51 52 public T* sliceDup(T)(T* memBlock) 53 { 54 return cast(T*)g_slice_copy(T.sizeof, memBlock); 55 } 56 57 public void sliceFree(T)(T* memBlock) 58 { 59 g_slice_free1(T.sizeof, memBlock); 60 } 61 62 /** 63 */ 64 65 /** 66 * Allocates a block of memory from the slice allocator. 67 * The block adress handed out can be expected to be aligned 68 * to at least 1 * sizeof (void*), 69 * though in general slices are 2 * sizeof (void*) bytes aligned, 70 * if a malloc() fallback implementation is used instead, 71 * the alignment may be reduced in a libc dependent fashion. 72 * Note that the underlying slice allocation mechanism can 73 * be changed with the [`G_SLICE=always-malloc`][G_SLICE] 74 * environment variable. 75 * 76 * Params: 77 * blockSize = the number of bytes to allocate 78 * 79 * Returns: a pointer to the allocated memory block, which will be %NULL if and 80 * only if @mem_size is 0 81 * 82 * Since: 2.10 83 */ 84 public void* sliceAlloc(size_t blockSize) 85 { 86 return g_slice_alloc(blockSize); 87 } 88 89 /** 90 * Allocates a block of memory via g_slice_alloc() and initializes 91 * the returned memory to 0. Note that the underlying slice allocation 92 * mechanism can be changed with the [`G_SLICE=always-malloc`][G_SLICE] 93 * environment variable. 94 * 95 * Params: 96 * blockSize = the number of bytes to allocate 97 * 98 * Returns: a pointer to the allocated block, which will be %NULL if and only 99 * if @mem_size is 0 100 * 101 * Since: 2.10 102 */ 103 public void* sliceAlloc0(size_t blockSize) 104 { 105 return g_slice_alloc0(blockSize); 106 } 107 108 /** 109 * Allocates a block of memory from the slice allocator 110 * and copies @block_size bytes into it from @mem_block. 111 * 112 * @mem_block must be non-%NULL if @block_size is non-zero. 113 * 114 * Params: 115 * blockSize = the number of bytes to allocate 116 * memBlock = the memory to copy 117 * 118 * Returns: a pointer to the allocated memory block, which will be %NULL if and 119 * only if @mem_size is 0 120 * 121 * Since: 2.14 122 */ 123 public void* sliceCopy(size_t blockSize, void* memBlock) 124 { 125 return g_slice_copy(blockSize, memBlock); 126 } 127 128 /** 129 * Frees a block of memory. 130 * 131 * The memory must have been allocated via g_slice_alloc() or 132 * g_slice_alloc0() and the @block_size has to match the size 133 * specified upon allocation. Note that the exact release behaviour 134 * can be changed with the [`G_DEBUG=gc-friendly`][G_DEBUG] environment 135 * variable, also see [`G_SLICE`][G_SLICE] for related debugging options. 136 * 137 * If @mem_block is %NULL, this function does nothing. 138 * 139 * Params: 140 * blockSize = the size of the block 141 * memBlock = a pointer to the block to free 142 * 143 * Since: 2.10 144 */ 145 public void sliceFree1(size_t blockSize, void* memBlock) 146 { 147 g_slice_free1(blockSize, memBlock); 148 } 149 150 /** 151 * Frees a linked list of memory blocks of structure type @type. 152 * 153 * The memory blocks must be equal-sized, allocated via 154 * g_slice_alloc() or g_slice_alloc0() and linked together by a 155 * @next pointer (similar to #GSList). The offset of the @next 156 * field in each block is passed as third argument. 157 * Note that the exact release behaviour can be changed with the 158 * [`G_DEBUG=gc-friendly`][G_DEBUG] environment variable, also see 159 * [`G_SLICE`][G_SLICE] for related debugging options. 160 * 161 * If @mem_chain is %NULL, this function does nothing. 162 * 163 * Params: 164 * blockSize = the size of the blocks 165 * memChain = a pointer to the first block of the chain 166 * nextOffset = the offset of the @next field in the blocks 167 * 168 * Since: 2.10 169 */ 170 public void sliceFreeChainWithOffset(size_t blockSize, void* memChain, size_t nextOffset) 171 { 172 g_slice_free_chain_with_offset(blockSize, memChain, nextOffset); 173 } 174 175 /** */ 176 public long sliceGetConfig(GSliceConfig ckey) 177 { 178 return g_slice_get_config(ckey); 179 } 180 181 /** */ 182 public long* sliceGetConfigState(GSliceConfig ckey, long address, uint* nValues) 183 { 184 return g_slice_get_config_state(ckey, address, nValues); 185 } 186 187 /** */ 188 public void sliceSetConfig(GSliceConfig ckey, long value) 189 { 190 g_slice_set_config(ckey, value); 191 }