Files
pebble/src/libutil/platform.c
2025-01-27 11:38:16 -08:00

50 lines
1.6 KiB
C

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