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KDATA_BUFFER_ALLOC(3) |
Library Functions Manual |
KDATA_BUFFER_ALLOC(3) |
NAME
kdata_buffer_alloc — allocate immutable buffer data for plotting
LIBRARY
library “libkplot”
SYNOPSIS
#include <cairo.h>
#include <kplot.h>
struct kdata *
kdata_buffer_alloc(
size_t hintsz);
DESCRIPTION
The
kdata_buffer_alloc function creates a reference-counted data sources for
kplot(3), initially sized to
hintsz with all x-values and y-values set to zero. It's primarily used to copy other data sources into an immutable one. Bucket values are copied into this structure via
kdata_buffer_copy(3).
RETURN VALUES
kdata_buffer_alloc returns NULL if memory allocation failed.