mirror of
https://github.com/azure-rtos/usbx.git
synced 2025-01-28 07:03:07 +08:00
30 lines
762 B
C
30 lines
762 B
C
#include <stdarg.h>
|
|
|
|
/* This is how ux_utility_memory_allocate calculates the final memory size. */
|
|
static UINT calculate_final_memory_request_size(UINT count, ...)
|
|
{
|
|
|
|
UINT original_memory_size_requested;
|
|
UINT memory_size_requested;
|
|
UINT total_final_memory_size = 0;
|
|
|
|
|
|
va_list args;
|
|
va_start(args, count);
|
|
|
|
while(count-- > 0)
|
|
{
|
|
original_memory_size_requested = va_arg(args, UINT);
|
|
|
|
memory_size_requested = (original_memory_size_requested + UX_ALIGN_MIN) & (UINT)~UX_ALIGN_MIN;
|
|
memory_size_requested += sizeof(UX_MEMORY_BLOCK);
|
|
|
|
total_final_memory_size += memory_size_requested;
|
|
}
|
|
|
|
total_final_memory_size += sizeof(UX_MEMORY_BLOCK);
|
|
total_final_memory_size += 1;
|
|
|
|
return total_final_memory_size;
|
|
}
|