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/* Licensed under BSD-MIT - see LICENSE file for details */
#ifndef CCAN_TAL_STACK_H
#define CCAN_TAL_STACK_H
#include <ccan/tal/tal.h>
/**
* tal_newframe - allocate and return a new nested tal context
*
* Allocates and push a new tal context on top of the stack.
* The context must be freed using tal_free() which will also pop it
* off the stack, which will also free all its nested contextes, if any.
*
* NOTE: this function is not threadsafe.
*
* Example:
* tal_t *ctx = tal_newframe();
* // ... do something with ctx ...
* tal_free(ctx);
*/
#define tal_newframe(void) tal_newframe_(TAL_LABEL(tal_stack, ""));
tal_t *tal_newframe_(const char *label);
/**
* tal_curframe - return the current 'tal_stack frame'
*
* Returns the context currently on top of the stack. The initial context
* (before any tal_newframe() call) is the tal 'NULL' context.
*
* NOTE: this function is not threadsafe.
*/
tal_t *tal_curframe(void);
#endif /* CCAN_TAL_STACK_H */
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