dictModifyValue

Section: util/dict.h (3) Updated: 12 July 2007 Local index Up

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.

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Time: 21:45:00 GMT, April 16, 2011