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  • Committer: Monty Taylor
  • Date: 2008-10-13 09:29:43 UTC
  • mfrom: (509 drizzle)
  • mto: (509.1.4 codestyle)
  • mto: This revision was merged to the branch mainline in revision 511.
  • Revision ID: monty@inaugust.com-20081013092943-rwvx4a6d85b5l2dh
Merged in trunk.

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mysys/my_alloc.h
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#ifndef _my_alloc_h
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#define _my_alloc_h
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#if defined(__cplusplus)
 
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extern "C" {
 
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#endif
 
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#define ALLOC_MAX_BLOCK_TO_DROP                 4096
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#define ALLOC_MAX_BLOCK_USAGE_BEFORE_DROP       10
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  void (*error_handler)(void);
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} MEM_ROOT;
 
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void init_alloc_root(MEM_ROOT *mem_root, size_t block_size,
 
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                     size_t pre_alloc_size);
 
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void *alloc_root(MEM_ROOT *mem_root, size_t Size);
 
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void *multi_alloc_root(MEM_ROOT *mem_root, ...);
 
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void free_root(MEM_ROOT *root, myf MyFLAGS);
 
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void set_prealloc_root(MEM_ROOT *root, char *ptr);
 
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void reset_root_defaults(MEM_ROOT *mem_root, size_t block_size,
 
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                         size_t prealloc_size);
 
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char *strdup_root(MEM_ROOT *root,const char *str);
 
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char *strmake_root(MEM_ROOT *root,const char *str,size_t len);
 
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void *memdup_root(MEM_ROOT *root,const void *str, size_t len);
 
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#if defined(__cplusplus)
 
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}
 
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#endif
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#endif