pebble/src/libc/include/stdlib.h
2025-01-27 11:38:16 -08:00

59 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.
*/
#pragma once
#ifndef EXIT_FAILURE
# define EXIT_FAILURE 1
#endif
#ifndef EXIT_SUCCESS
# define EXIT_SUCCESS 0
#endif
// It's an int.
#ifndef RAND_MAX
# define RAND_MAX (0x7FFFFFFFL)
#endif
#define __need_size_t
#define __need_NULL
#include <stddef.h>
int abs(int j) __attribute__((__const__));
long labs(long j) __attribute__((__const__));
#if __clang__
// Default builtins break the clang build for some reason,
// and we don't have a real implementation of these functions
#define abs(x) __builtin_abs(x)
#define labs(x) __builtin_labs(x)
#endif
int atoi(const char *nptr) __attribute__((__pure__));
long int atol(const char *nptr) __attribute__((__pure__));
long int strtol(const char * restrict nptr, char ** restrict endptr, int base);
// Implemented in src/fw/util/rand/rand.c
int rand(void);
int rand_r(unsigned *seed);
void srand(unsigned seed);
void exit(int status) __attribute__((noreturn));
// Not implemented, but included in the header to build the default platform.c of libs.
void free(void *ptr);
void *malloc(size_t bytes);