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50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/*
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* Copyright 2024 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "util/assert.h"
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#include "util/logging.h"
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#include "util/rand32.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <inttypes.h>
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// Below are some default implementations for system-specific functions required by libutil.
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// These functions assume a working C standard library is linked into the program.
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// For programs where this isn't the case (e.g. the Pebble FW),
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// alternate implementations need to be provided.
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// The functions are defined as WEAK so they may be easily overridden.
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// If you are getting link errors due to printf not being defined, you probably
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// need to provide your own implementation of the functions below.
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WEAK void util_log(const char *filename, int line, const char *string) {
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printf("%s:%d %s\n", filename, line, string);
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}
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WEAK void util_dbgserial_str(const char *string) {
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printf("%s\n", string);
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}
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WEAK NORETURN util_assertion_failed(const char *filename, int line) {
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util_log(filename, line, "*** UTIL ASSERT FAILED");
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exit(EXIT_FAILURE);
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}
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WEAK uint32_t rand32(void) {
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return ((uint32_t)rand() << 1) + (uint32_t)rand;
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}
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