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comparison tools/lib64gfx.c @ 1851:cfc7046fb176

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Reallocate buffer only if the new size is larger in dmC64MemBlockReAlloc().
author Matti Hamalainen <ccr@tnsp.org>
date Fri, 22 Jun 2018 23:11:58 +0300
parents 88cef7758303
children 219417325036
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equal deleted inserted replaced
1850:3d6917948061 1851:cfc7046fb176
174 } 174 }
175 175
176 176
177 int dmC64MemBlockReAlloc(DMC64MemBlock *blk, const size_t size) 177 int dmC64MemBlockReAlloc(DMC64MemBlock *blk, const size_t size)
178 { 178 {
179 // Reallocate only if new size is larger
180 if (size <= blk->size)
181 return DMERR_OK;
182
179 if ((blk->data = dmRealloc(blk->data, size)) == NULL) 183 if ((blk->data = dmRealloc(blk->data, size)) == NULL)
180 return DMERR_MALLOC; 184 return DMERR_MALLOC;
181 185
182 dmMemset(blk->data + blk->size, 0, size - blk->size); 186 dmMemset(blk->data + blk->size, 0, size - blk->size);
187
183 blk->size = size; 188 blk->size = size;
184 return DMERR_OK; 189 return DMERR_OK;
185 } 190 }
186 191
187 192