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NAME
dictModifyValue - create/modify an item.
SYNOPSIS
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#include <util/dict.h>
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NEOERR *dictModifyValue(dictCtx dict, const char *id, dictNewValueCB new_cb,
dictUpdateValueCB update, void *rock);
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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), "dictSearch
