test.h

#ifndef TEST_H
#define TEST_H

#define T(e) do{ if (!(e)) {\
       ERR_print_errors_fp(stderr); OpenSSLDie(__FILE__, __LINE__, #e); \
    } }while (0)

#define TE(e) do{ if (!(e)) {\
       ERR_print_errors_fp(stderr); \
       fprintf(stderr, "Error at %s:%d %s\n", __FILE__, __LINE__, #e); \
       return -1; \
    } }while (0) 

#define TEST_ASSERT(e) do{ test = (e); \
    if (test) \
       printf(cRED "  Test FAILED\n" cNORM);\
    else \
       printf(cGREEN "  Test passed\n" cNORM);\
    } while (0);
             
#ifdef __GNUC__
# define _UNUSED_ __attribute__ ((unused))
#else
# define _UNUSED_
#endif

_UNUSED_ static void hexdump(FILE *f, const char *title, const unsigned char *s, int l)
{
    int n = 0;

    if(title!=NULL) fprintf(f, "%s", title);
    for (; n < l; ++n) {
        if ((n % 16) == 0)
            fprintf(f, "\n%04x", n);
        fprintf(f, " %02x", s[n]);
    }
    fprintf(f, "\n");
}

_UNUSED_ static void hexdump_inline(const void *ptr, size_t len) 
{
    const unsigned char *p = ptr;
    size_t i, j;

    for (i = 0; i < len; i += j) {
    for (j = 0; j < 16 && i + j < len; j++)
        printf("%s%02x", j? "" : " ", p[i + j]);
    }
    printf("\n");
}

#ifdef _WIN32
 #include <stdlib.h>
 static inline int setenv(const char* name, const char* value,int overwrite){
    return _putenv_s(name, value);
 }
#else
 #include <unistd.h>
 #include <arpa/inet.h>
#endif
#endif