ra8_nsc_log.c

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#include <stdint.h>
 
#include "ra8_attributes.h"
#include "ra8_check.h"
#include "ra8_err.h"
#include "ra8_log.h"
#include "ra8_nsc.h"
#include "ra8_nsc_veneer.h"
 
static const char* s_tag = "NSCLOG";

static char s_tag_scratch[k_ra8_nsc_log_msg_max_len];
static char s_msg_scratch[k_ra8_nsc_log_msg_max_len];

RA8_INTERNAL
static void internal_safe_strcpy(char* dst, const char* src, uint32_t cap)
{
  uint32_t i = 0U;
  for (i = 0U; i < (cap - 1U); ++i) {
    const char c = src[i];
    dst[i]       = c;
    if (c == '\0') {
      return;
    }
  }
  dst[cap - 1U] = '\0';
}

RA8_NSC_VENEER ra8_err_t ra8_nsc_log_emit(const char* tag, const char* message)
{
  RA8_CHECK_NULL_PTR(tag, s_tag, "log_emit: tag");
  RA8_CHECK_NULL_PTR(message, s_tag, "log_emit: message");
  /* Bound check the cap; cmse_check_address_range only validates
   * the prefix we are about to copy. */
  RA8_NSC_CHECK_NS_RANGE_R(tag, (uint32_t)k_ra8_nsc_log_msg_max_len);
  RA8_NSC_CHECK_NS_RANGE_R(message, (uint32_t)k_ra8_nsc_log_msg_max_len);
  internal_safe_strcpy(s_tag_scratch, tag, k_ra8_nsc_log_msg_max_len);
  internal_safe_strcpy(s_msg_scratch, message, k_ra8_nsc_log_msg_max_len);
  ra8_log_info(s_tag_scratch, s_msg_scratch);
  return k_ra8_ok;
}