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Man Pages


Manual Reference Pages  -  DICTMODIFYVALUE (3)

NAME

dictModifyValue - create/modify an item.

CONTENTS

Synopsis
Arguments
Description

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), dictSearch
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ClearSilver DICTMODIFYVALUE (3) 12 July 2007

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