diff options
| author | SVN Migration <svn@php.net> | 2003-02-27 17:43:39 +0000 | 
|---|---|---|
| committer | SVN Migration <svn@php.net> | 2003-02-27 17:43:39 +0000 | 
| commit | 078bcec0997ad0e07b720c43cc9e6d0e046a75ab (patch) | |
| tree | 36cb0f6be2ef078fe3374de8c087b93ecf82f812 /ext/mysql/libmysql/my_alloc.c | |
| parent | fd61f69077f6156ca71dde60ecfd9ed9765a02db (diff) | |
| download | php-git-PHP-5.tar.gz | |
This commit was manufactured by cvs2svn to create branch 'PHP_5'.PHP-5
Diffstat (limited to 'ext/mysql/libmysql/my_alloc.c')
| -rw-r--r-- | ext/mysql/libmysql/my_alloc.c | 140 | 
1 files changed, 0 insertions, 140 deletions
diff --git a/ext/mysql/libmysql/my_alloc.c b/ext/mysql/libmysql/my_alloc.c deleted file mode 100644 index a33f86fa00..0000000000 --- a/ext/mysql/libmysql/my_alloc.c +++ /dev/null @@ -1,140 +0,0 @@ -/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB  -This file is public domain and comes with NO WARRANTY of any kind */ - -/* Routines to handle mallocing of results which will be freed the same time */ - -#include <global.h> -#include <my_sys.h> -#include <m_string.h> - -void init_alloc_root(MEM_ROOT *mem_root, uint block_size, uint pre_alloc_size) -{ -  mem_root->free=mem_root->used=0; -  mem_root->min_malloc=32; -  mem_root->block_size=block_size-MALLOC_OVERHEAD-sizeof(USED_MEM)-8; -  mem_root->error_handler=0; -#if !(defined(HAVE_purify) && defined(EXTRA_DEBUG)) -  if (pre_alloc_size) -  { -    if ((mem_root->free = mem_root->pre_alloc= -	 (USED_MEM*) my_malloc(pre_alloc_size+ ALIGN_SIZE(sizeof(USED_MEM)), -			       MYF(0)))) -    { -      mem_root->free->size=pre_alloc_size+ALIGN_SIZE(sizeof(USED_MEM)); -      mem_root->free->left=pre_alloc_size; -      mem_root->free->next=0; -    } -  } -#endif -} - -gptr alloc_root(MEM_ROOT *mem_root,unsigned int Size) -{ -#if defined(HAVE_purify) && defined(EXTRA_DEBUG) -  reg1 USED_MEM *next; -  Size+=ALIGN_SIZE(sizeof(USED_MEM)); - -  if (!(next = (USED_MEM*) my_malloc(Size,MYF(MY_WME)))) -  { -    if (mem_root->error_handler) -      (*mem_root->error_handler)(); -    return((gptr) 0);				/* purecov: inspected */ -  } -  next->next=mem_root->used; -  mem_root->used=next; -  return (gptr) (((char*) next)+ALIGN_SIZE(sizeof(USED_MEM))); -#else -  uint get_size,max_left; -  gptr point; -  reg1 USED_MEM *next; -  reg2 USED_MEM **prev; - -  Size= ALIGN_SIZE(Size); -  prev= &mem_root->free; -  max_left=0; -  for (next= *prev ; next && next->left < Size ; next= next->next) -  { -    if (next->left > max_left) -      max_left=next->left; -    prev= &next->next; -  } -  if (! next) -  {						/* Time to alloc new block */ -    get_size= Size+ALIGN_SIZE(sizeof(USED_MEM)); -    if (max_left*4 < mem_root->block_size && get_size < mem_root->block_size) -      get_size=mem_root->block_size;		/* Normal alloc */ - -    if (!(next = (USED_MEM*) my_malloc(get_size,MYF(MY_WME)))) -    { -      if (mem_root->error_handler) -	(*mem_root->error_handler)(); -      return((gptr) 0);				/* purecov: inspected */ -    } -    next->next= *prev; -    next->size= get_size; -    next->left= get_size-ALIGN_SIZE(sizeof(USED_MEM)); -    *prev=next; -  } -  point= (gptr) ((char*) next+ (next->size-next->left)); -  if ((next->left-= Size) < mem_root->min_malloc) -  {						/* Full block */ -    *prev=next->next;				/* Remove block from list */ -    next->next=mem_root->used; -    mem_root->used=next; -  } -  return(point); -#endif -} - -	/* deallocate everything used by alloc_root */ - -void free_root(MEM_ROOT *root, myf MyFlags) -{ -  reg1 USED_MEM *next,*old; -  DBUG_ENTER("free_root"); - -  if (!root) -    DBUG_VOID_RETURN; /* purecov: inspected */ -  if (!(MyFlags & MY_KEEP_PREALLOC)) -    root->pre_alloc=0; - -  for ( next=root->used; next ;) -  { -    old=next; next= next->next ; -    if (old != root->pre_alloc) -      my_free((gptr) old,MYF(0)); -  } -  for (next= root->free ; next ; ) -  { -    old=next; next= next->next ; -    if (old != root->pre_alloc) -      my_free((gptr) old,MYF(0)); -  } -  root->used=root->free=0; -  if (root->pre_alloc) -  { -    root->free=root->pre_alloc; -    root->free->left=root->pre_alloc->size-ALIGN_SIZE(sizeof(USED_MEM)); -    root->free->next=0; -  } -  DBUG_VOID_RETURN; -} - - -char *strdup_root(MEM_ROOT *root,const char *str) -{ -  uint len= (uint) strlen(str)+1; -  char *pos; -  if ((pos=alloc_root(root,len))) -    memcpy(pos,str,len); -  return pos; -} - - -char *memdup_root(MEM_ROOT *root,const char *str,uint len) -{ -  char *pos; -  if ((pos=alloc_root(root,len))) -    memcpy(pos,str,len); -  return pos; -}  | 
