heap_caps_calloc() function

Allocate a chunk of memory which has the given capabilities. The initialized value in the memory is set to zero. Equivalent semantics to libc calloc(), for capability-aware memory. In IDF, ``calloc(p)`` is equivalent to ``heap_caps_calloc(p, MALLOC_CAP_8BIT)``.

Syntax

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Declaration

Definition

from esp_heap_caps.h:186

void *heap_caps_calloc(size_t n, size_t size, uint32_t caps);

Implemented in heap_caps.c:253

Arguments

Argument

Description

Number of continuing chunks of memory to allocate

size

Size, in bytes, of a chunk of memory to allocate

caps

Bitwise OR of MALLOC_CAP_* flags indicating the type of memory to be returned

Return value

A pointer to the memory allocated on success, NULL on failure

Examples

heap_caps_calloc() is referenced by 21 libraries and example projects:

References

from examples

heap_caps_calloc() function

Syntax

Arguments

Return value

Examples

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