format.c

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#include "format.h"
#include "platform/system.h"
 
void format_bytes_pretty(size_t bytes, char *out, size_t out_capacity) {
  const double MB = 1024.0 * 1024.0;
  const double GB = MB * 1024.0;
  const double TB = GB * 1024.0;
 
  if ((double)bytes < MB) {
    SAFE_IGNORE_PRINTF_RESULT(safe_snprintf(out, out_capacity, "%zu B", bytes));
  } else if ((double)bytes < GB) {
    double value = (double)bytes / MB;
    SAFE_IGNORE_PRINTF_RESULT(safe_snprintf(out, out_capacity, "%.2f MB", value));
  } else if ((double)bytes < TB) {
    double value = (double)bytes / GB;
    SAFE_IGNORE_PRINTF_RESULT(safe_snprintf(out, out_capacity, "%.2f GB", value));
  } else {
    double value = (double)bytes / TB;
    SAFE_IGNORE_PRINTF_RESULT(safe_snprintf(out, out_capacity, "%.2f TB", value));
  }
}