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/*
* Copyright 2022 Collabora, Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#pragma once
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <stdbool.h>
#include <inttypes.h>
struct weston_compositor;
__attribute__((noreturn, format(printf, 2, 3)))
static inline void
weston_assert_fail_(const struct weston_compositor *compositor, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
vfprintf(stderr, fmt, ap);
va_end(ap);
abort();
}
#ifndef custom_assert_fail_
#define custom_assert_fail_ weston_assert_fail_
#endif
#define weston_assert_(compositor, a, b, val_type, val_fmt, cmp) \
({ \
struct weston_compositor *ec = compositor; \
val_type a_ = (a); \
val_type b_ = (b); \
bool cond = a_ cmp b_; \
if (!cond) \
custom_assert_fail_(ec, "%s:%u: Assertion %s %s %s (" val_fmt " %s " val_fmt ") failed!\n", \
__FILE__, __LINE__, #a, #cmp, #b, a_, #cmp, b_); \
cond; \
})
#define weston_assert_fn_(compositor, fn, a, b, val_type, val_fmt, cmp) \
({ \
struct weston_compositor *ec = compositor; \
val_type a_ = (a); \
val_type b_ = (b); \
bool cond = fn(a_, b_) cmp 0; \
if (!cond) \
custom_assert_fail_(ec, "%s:%u: Assertion %s %s %s (" val_fmt " %s " val_fmt ") failed!\n", \
__FILE__, __LINE__, #a, #cmp, #b, a_, #cmp, b_); \
cond; \
})
#define weston_assert_not_reached(compositor, reason) \
do { \
struct weston_compositor *ec = compositor; \
custom_assert_fail_(ec, "%s:%u: Assertion failed! This should not be reached: %s\n", \
__FILE__, __LINE__, reason); \
} while (0)
#define weston_assert_true(compositor, a) \
weston_assert_(compositor, a, true, bool, "%d", ==)
#define weston_assert_false(compositor, a) \
weston_assert_(compositor, a, false, bool, "%d", ==)
#define weston_assert_ptr(compositor, a) \
weston_assert_(compositor, a, NULL, const void *, "%p", !=)
#define weston_assert_ptr_is_null(compositor, a) \
weston_assert_(compositor, a, NULL, const void *, "%p", ==)
#define weston_assert_ptr_eq(compositor, a, b) \
weston_assert_(compositor, a, b, const void *, "%p", ==)
#define weston_assert_double_eq(compositor, a, b) \
weston_assert_(compositor, a, b, double, "%.10g", ==)
#define weston_assert_uint32_eq(compositor, a, b) \
weston_assert_(compositor, a, b, uint32_t, "%u", ==)
#define weston_assert_uint32_neq(compositor, a, b) \
weston_assert_(compositor, a, b, uint32_t, "%u", !=)
#define weston_assert_uint32_gt(compositor, a, b) \
weston_assert_(compositor, a, b, uint32_t, "%u", >)
#define weston_assert_uint32_gt_or_eq(compositor, a, b) \
weston_assert_(compositor, a, b, uint32_t, "%u", >=)
#define weston_assert_uint32_lt(compositor, a, b) \
weston_assert_(compositor, a, b, uint32_t, "%u", <)
#define weston_assert_uint64_eq(compositor, a, b) \
weston_assert_(compositor, a, b, uint64_t, "%" PRIx64, ==)
#define weston_assert_str_eq(compositor, a, b) \
weston_assert_fn_(compositor, strcmp, a, b, const char *, "%s", ==)
#define weston_assert_bit_is_set(compositor, value, bit) \
({ \
struct weston_compositor *ec = compositor; \
uint64_t v = (value); \
uint8_t b = (bit); \
bool cond = (v >> b) & 1; \
if (!cond) \
custom_assert_fail_(ec, "%s:%u: Assertion failed! Bit %s (%u) of %s (0x%" PRIx64 ") is not set.\n", \
__FILE__, __LINE__, #bit, b, #value, v); \
cond; \
})
#define weston_assert_legal_bits(compositor, value, mask) \
({ \
struct weston_compositor *ec = compositor; \
uint64_t v_ = (value); \
uint64_t m_ = (mask); \
uint64_t ill = v_ & ~m_; \
bool cond = ill == 0; \
if (!cond) \
custom_assert_fail_(ec, "%s:%u: Assertion failed! " \
"Value %s (0x%" PRIx64 ") contains illegal bits 0x%" PRIx64 ". " \
"Legal mask is %s (0x%" PRIx64 ").\n", \
__FILE__, __LINE__, #value, v_, ill, #mask, m_); \
cond; \
})
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