From 068a45420f2c98887e220b45e946cc7074da550e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 10 Apr 2024 21:22:29 +0200 Subject: Adding upstream version 1.8. Signed-off-by: Daniel Baumann --- test/ioctl/util.c | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 test/ioctl/util.c (limited to 'test/ioctl/util.c') diff --git a/test/ioctl/util.c b/test/ioctl/util.c new file mode 100644 index 0000000..09c6e7f --- /dev/null +++ b/test/ioctl/util.c @@ -0,0 +1,65 @@ +// SPDX-License-Identifier: LGPL-2.1-or-later + +#include "util.h" + +#include +#include +#include +#include +#include + +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; +} -- cgit v1.2.3