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// SPDX-License-Identifier: LGPL-2.1-or-later
#include "util.h"
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
static void hexdump(const uint8_t *buf, size_t len)
{
size_t i = 0;
if (!len)
return;
for (;;) {
fprintf(stderr, "%02X", buf[i++]);
if (i >= len)
break;
fputc(i % 16 > 0 ? ' ' : '\n', stderr);
}
fputc('\n', stderr);
}
void fail(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
fputc('\n', stderr);
abort();
}
void cmp(const void *actual, const void *expected, size_t len, const char *msg)
{
if (memcmp(actual, expected, len) == 0)
return;
fputs(msg, stderr);
fputs("\nactual:\n", stderr);
hexdump(actual, len);
fputs("expected:\n", stderr);
hexdump(expected, len);
abort();
}
void arbitrary(void *buf_, size_t len)
{
uint8_t *buf = buf_;
while (len--)
*(buf++) = rand();
}
size_t arbitrary_range(size_t max)
{
size_t value;
arbitrary(&value, sizeof(value));
return value % max;
}
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