/*
 * wpa_supplicant/hostapd / Empty OS specific functions
 * Copyright (c) 2005-2006, Jouni Malinen <j@w1.fi>
 *
 * This software may be distributed under the terms of the BSD license.
 * See README for more details.
 *
 * This file can be used as a starting point when adding a new OS target. The
 * functions here do not really work as-is since they are just empty or only
 * return an error value. os_internal.c can be used as another starting point
 * or reference since it has example implementation of many of these functions.
 */

#include "includes.h"

#include "os.h"

void os_sleep(os_time_t sec, os_time_t usec)
{
}


int os_get_time(struct os_time *t)
{
	return -1;
}


int os_get_reltime(struct os_reltime *t)
{
	return -1;
}


int os_mktime(int year, int month, int day, int hour, int min, int sec,
	      os_time_t *t)
{
	return -1;
}

int os_gmtime(os_time_t t, struct os_tm *tm)
{
	return -1;
}


int os_daemonize(const char *pid_file)
{
	return -1;
}


void os_daemonize_terminate(const char *pid_file)
{
}


int os_get_random(unsigned char *buf, size_t len)
{
	return -1;
}


unsigned long os_random(void)
{
	return 0;
}


char * os_rel2abs_path(const char *rel_path)
{
	return NULL; /* strdup(rel_path) can be used here */
}


int os_program_init(void)
{
	return 0;
}


void os_program_deinit(void)
{
}


int os_setenv(const char *name, const char *value, int overwrite)
{
	return -1;
}


int os_unsetenv(const char *name)
{
	return -1;
}


char * os_readfile(const char *name, size_t *len)
{
	return NULL;
}


int os_fdatasync(FILE *stream)
{
	return 0;
}


void * os_zalloc(size_t size)
{
	return NULL;
}


#ifdef OS_NO_C_LIB_DEFINES
void * os_malloc(size_t size)
{
	return NULL;
}


void * os_realloc(void *ptr, size_t size)
{
	return NULL;
}


void os_free(void *ptr)
{
}


void * os_memcpy(void *dest, const void *src, size_t n)
{
	return dest;
}


void * os_memmove(void *dest, const void *src, size_t n)
{
	return dest;
}


void * os_memset(void *s, int c, size_t n)
{
	return s;
}


int os_memcmp(const void *s1, const void *s2, size_t n)
{
	return 0;
}


char * os_strdup(const char *s)
{
	return NULL;
}


size_t os_strlen(const char *s)
{
	return 0;
}


int os_strcasecmp(const char *s1, const char *s2)
{
	/*
	 * Ignoring case is not required for main functionality, so just use
	 * the case sensitive version of the function.
	 */
	return os_strcmp(s1, s2);
}


int os_strncasecmp(const char *s1, const char *s2, size_t n)
{
	/*
	 * Ignoring case is not required for main functionality, so just use
	 * the case sensitive version of the function.
	 */
	return os_strncmp(s1, s2, n);
}


char * os_strchr(const char *s, int c)
{
	return NULL;
}


char * os_strrchr(const char *s, int c)
{
	return NULL;
}


int os_strcmp(const char *s1, const char *s2)
{
	return 0;
}


int os_strncmp(const char *s1, const char *s2, size_t n)
{
	return 0;
}


char * os_strncpy(char *dest, const char *src, size_t n)
{
	return dest;
}


size_t os_strlcpy(char *dest, const char *src, size_t size)
{
	return 0;
}


int os_memcmp_const(const void *a, const void *b, size_t len)
{
	return 0;
}

char * os_strstr(const char *haystack, const char *needle)
{
	return NULL;
}


int os_snprintf(char *str, size_t size, const char *format, ...)
{
	return 0;
}
#endif /* OS_NO_C_LIB_DEFINES */


int os_exec(const char *program, const char *arg, int wait_completion)
{
	return -1;
}