libquanta_malloc_palette.c


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/* See LICENSE file for copyright and license details. */
#include "common.h"


struct libquanta_palette *
libquanta_malloc_palette(size_t ncolours, size_t nchannels)
{
	struct libquanta_palette *ret;
	size_t size;

	if (libquanta_palette_size(ncolours, nchannels, &size)) {
		if (errno == EOVERFLOW)
			errno = ENOMEM;
		return NULL;
	}

	ret = malloc(size);
	if (ret)
		ret->size = ncolours;
	return ret;
}