trace.h

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#ifndef WOZ_TRACE_H
#define WOZ_TRACE_H
 
#include <stddef.h>
#include <stdint.h>
 
#if defined(CONFIG_WOZ_E2E_TRACE)
 
#include "woz_log.h"
 
#define WOZ_TRACE_HEX8_LEN 17
 
static inline const char *woz_trace_hex8(char buf[WOZ_TRACE_HEX8_LEN], const uint8_t *bytes,
                                         size_t len)
{
        static const char nybble[16] = "0123456789abcdef";
        size_t n = (len < 8) ? len : 8;
        for (size_t i = 0; i < n; i++) {
                buf[2 * i] = nybble[(bytes[i] >> 4) & 0x0f];
                buf[2 * i + 1] = nybble[bytes[i] & 0x0f];
        }
        buf[2 * n] = '\0';
        return buf;
}
 
#define WOZ_TRACE(stage, fmt, ...)                                                                 \
        LOG_INF("[WOZ_TRACE] src=lock stage=" stage " " fmt, ##__VA_ARGS__)
 
#else /* !CONFIG_WOZ_E2E_TRACE */
 
#include "woz_log.h"
 
#define WOZ_TRACE_HEX8_LEN 17
 
#define WOZ_TRACE(stage, fmt, ...)                                                                 \
        do {                                                                                       \
                if (0) {                                                                           \
                        woz_printf("[WOZ_TRACE] src=lock stage=" stage " " fmt, ##__VA_ARGS__);    \
                }                                                                                  \
        } while (0)
 
static inline const char *woz_trace_hex8(char buf[WOZ_TRACE_HEX8_LEN], const uint8_t *bytes,
                                         size_t len)
{
        (void)bytes;
        (void)len;
        buf[0] = '\0';
        return buf;
}
 
#endif /* CONFIG_WOZ_E2E_TRACE */
 
#endif /* WOZ_TRACE_H */