Prepend a moved data buffer to dest if size limits allow.

Synopsis

Declared in <bdlbb_blobutil.h>

static
int
prependDataBufferIfValid(
    Blob* dest,
    bslmf::MovableRef<BlobBuffer> buffer);

Description

Insert the specified move‐insertable buffer before the beginning of the specified dest if neither the resulting total size of dest nor its resulting total number of buffers exceeds INT_MAX. Return 0 on success, and a non‐zero value (with no effect) otherwise. The length of the dest is incremented by the length of the prepended buffer. In case of success the buffer is left in a valid but unspecified state.

Return Value

0 on success, and a non‐zero value otherwise

Parameters

Name

Description

dest

destination blob

buffer

data buffer to move‐prepend

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