debian man page for dictmodifyvalue

dictModifyValue(3)						    util/dict.h 						dictModifyValue(3)

NAME
       dictModifyValue	- create/modify an item.

SYNOPSIS
       #include <util/dict.h>

       NEOERR *dictModifyValue(dictCtx dict, const char *id, dictNewValueCB new_cb,
			    dictUpdateValueCB update, void *rock);

ARGUMENTS
       dict - dictionary to add pair to.
       id - identifier of value
       new - function to call to create new value (may be NULL)
       update - function to call to modify value (if NULL, the old
       value is freed, and <new> is used)
       rock - context to pass to <new> or <update>.

DESCRIPTION
       Finds <id>'s value and calls <update>.  If <id> is not in <dict>, calls <new> to obtain a new value.

       MT-Level: Safe if <dict> thread-safe.

RETURN VALUE
       None.

SEE ALSO
       dictDestroy(3),	dictCleanup(3),  dictReleaseLock(3), dictRemove(3), dictNext(3), dictCreate(3), dictSetValue(3), dictModifyValue(3), dict-
       Search

ClearSilver							   12 July 2007 						dictModifyValue(3)