open-story-teller/software/cpu/gigadevice-gd32vf103/RISCV/stubs/sbrk.c
2023-04-18 16:20:41 +02:00

16 lines
296 B
C
Executable file

/* See LICENSE of license details. */
#include <stddef.h>
void *_sbrk(ptrdiff_t incr)
{
extern char _end[];
extern char _heap_end[];
static char *curbrk = _end;
if ((curbrk + incr < _end) || (curbrk + incr > _heap_end))
return NULL - 1;
curbrk += incr;
return curbrk - incr;
}