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MySQL 5.1: mysql/src/5.1-dbg/include/my_list.h File Reference

mysql/src/5.1-dbg/include/my_list.h File Reference

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Classes

struct  st_list

Defines

#define list_rest(a)   ((a)->next)
#define list_push(a, b)   (a)=list_cons((b),(a))
#define list_pop(A)   {LIST *old=(A); (A)=list_delete(old,old) ; my_free((gptr) old,MYF(MY_FAE)); }

Typedefs

typedef st_list LIST
typedef int(*) list_walk_action (void *, void *)

Functions

LIST * list_add (LIST *root, LIST *element)
LIST * list_delete (LIST *root, LIST *element)
LIST * list_cons (void *data, LIST *root)
LIST * list_reverse (LIST *root)
void list_free (LIST *root, unsigned int free_data)
unsigned int list_length (LIST *)
int list_walk (LIST *, list_walk_action action, gptr argument)

Define Documentation

#define list_pop ( A   )     {LIST *old=(A); (A)=list_delete(old,old) ; my_free((gptr) old,MYF(MY_FAE)); }

Definition at line 41 of file my_list.h.

#define list_push ( a,
b   )     (a)=list_cons((b),(a))

Definition at line 40 of file my_list.h.

#define list_rest ( a   )     ((a)->next)

Definition at line 39 of file my_list.h.

Referenced by display_table_locks(), list_walk(), and send_fields().

Typedef Documentation

typedef struct st_list LIST

typedef int(*) list_walk_action(void *, void *)

Definition at line 29 of file my_list.h.

Function Documentation

LIST* list_add ( LIST *  root,
LIST *  element 
)

Definition at line 28 of file list.c.

References DBUG_ENTER, DBUG_PRINT, DBUG_RETURN, st_list::next, and st_list::prev.

Referenced by ftb_query_add_word(), Guardian_thread::guard(), heap_open(), list_cons(), myrg_open(), mysql_reconnect(), mysql_stmt_init(), Show_instance_log_files::write_header(), Show_instance_log::write_header(), Show_instance_options::write_header(), Show_instance_status::write_header(), and Show_instances::write_header().

00029 {
00030   DBUG_ENTER("list_add");
00031   DBUG_PRINT("enter",("root: 0x%lx  element: 0x%lx", root, element));
00032   if (root)
00033   {
00034     if (root->prev)                     /* If add in mid of list */
00035       root->prev->next= element;
00036     element->prev=root->prev;
00037     root->prev=element;
00038   }
00039   else
00040     element->prev=0;
00041   element->next=root;
00042   DBUG_RETURN(element);                 /* New root */
00043 }

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LIST* list_cons ( void *  data,
LIST *  root 
)

Definition at line 72 of file list.c.

References st_list::data, list(), list_add(), MY_FAE, my_malloc(), and MYF.

00073 {
00074   LIST *new_charset=(LIST*) my_malloc(sizeof(LIST),MYF(MY_FAE));
00075   if (!new_charset)
00076     return 0;
00077   new_charset->data=data;
00078   return list_add(list,new_charset);
00079 }

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LIST* list_delete ( LIST *  root,
LIST *  element 
)

Definition at line 46 of file list.c.

References st_list::next, and st_list::prev.

Referenced by hp_close(), hp_free(), mi_close(), myrg_close(), mysql_stmt_close(), Guardian_thread::process_instance(), Guardian_thread::stop_guard(), and Guardian_thread::stop_instances().

00047 {
00048   if (element->prev)
00049     element->prev->next=element->next;
00050   else
00051     root=element->next;
00052   if (element->next)
00053     element->next->prev=element->prev;
00054   return root;
00055 }

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void list_free ( LIST *  root,
unsigned int  free_data 
)

Definition at line 58 of file list.c.

References st_list::data, my_free, MYF, and st_list::next.

00059 {
00060   LIST *next;
00061   while (root)
00062   {
00063     next=root->next;
00064     if (free_data)
00065       my_free((gptr) root->data,MYF(0));
00066     my_free((gptr) root,MYF(0));
00067     root=next;
00068   }
00069 }

unsigned int list_length ( LIST *   ) 

Definition at line 97 of file list.c.

References count, and list().

Referenced by _ftb_check_phrase(), and send_fields().

00098 {
00099   uint count;
00100   for (count=0 ; list ; list=list->next, count++) ;
00101   return count;
00102 }

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LIST* list_reverse ( LIST *  root  ) 

Definition at line 82 of file list.c.

References st_list::next, and st_list::prev.

00083 {
00084   LIST *last;
00085 
00086   last=root;
00087   while (root)
00088   {
00089     last=root;
00090     root=root->next;
00091     last->next=last->prev;
00092     last->prev=root;
00093   }
00094   return last;
00095 }

int list_walk ( LIST *  ,
list_walk_action  action,
gptr  argument 
)

Definition at line 105 of file list.c.

References error, list(), and list_rest.

00106 {
00107   int error=0;
00108   while (list)
00109   {
00110     if ((error = (*action)(list->data,argument)))
00111       return error;
00112     list=list_rest(list);
00113   }
00114   return 0;
00115 }

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Generated on Sat Sep 9 01:36:01 2006 for MySQL 5.1 by  doxygen 1.4.7