2 * wpa_supplicant/hostapd / OS specific functions for Win32 systems
3 * Copyright (c) 2005-2006, Jouni Malinen <j@w1.fi>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
21 void os_sleep(os_time_t sec, os_time_t usec)
30 int os_get_time(struct os_time *t)
32 #define EPOCHFILETIME (116444736000000000ULL)
41 SystemTimeToFileTime(&st, &ft);
42 #else /* _WIN32_WCE */
43 GetSystemTimeAsFileTime(&ft);
44 #endif /* _WIN32_WCE */
45 li.LowPart = ft.dwLowDateTime;
46 li.HighPart = ft.dwHighDateTime;
47 tt = (li.QuadPart - EPOCHFILETIME) / 10;
48 t->sec = (os_time_t) (tt / 1000000);
49 t->usec = (os_time_t) (tt % 1000000);
55 int os_mktime(int year, int month, int day, int hour, int min, int sec,
59 time_t t_local, t1, t2;
62 if (year < 1970 || month < 1 || month > 12 || day < 1 || day > 31 ||
63 hour < 0 || hour > 23 || min < 0 || min > 59 || sec < 0 ||
67 memset(&tm, 0, sizeof(tm));
68 tm.tm_year = year - 1900;
69 tm.tm_mon = month - 1;
75 t_local = mktime(&tm);
77 /* figure out offset to UTC */
78 tm1 = localtime(&t_local);
81 tm1 = gmtime(&t_local);
90 *t = (os_time_t) t_local - tz_offset;
95 int os_daemonize(const char *pid_file)
102 void os_daemonize_terminate(const char *pid_file)
107 int os_get_random(unsigned char *buf, size_t len)
112 if (!CryptAcquireContext(&prov, NULL, NULL, PROV_RSA_FULL,
113 CRYPT_VERIFYCONTEXT))
116 ret = CryptGenRandom(prov, len, buf);
117 CryptReleaseContext(prov, 0);
123 unsigned long os_random(void)
129 char * os_rel2abs_path(const char *rel_path)
131 return _strdup(rel_path);
135 int os_program_init(void)
137 #ifdef CONFIG_NATIVE_WINDOWS
139 if (WSAStartup(MAKEWORD(2, 0), &wsaData)) {
140 printf("Could not find a usable WinSock.dll\n");
143 #endif /* CONFIG_NATIVE_WINDOWS */
148 void os_program_deinit(void)
150 #ifdef CONFIG_NATIVE_WINDOWS
152 #endif /* CONFIG_NATIVE_WINDOWS */
156 int os_setenv(const char *name, const char *value, int overwrite)
162 int os_unsetenv(const char *name)
168 char * os_readfile(const char *name, size_t *len)
173 f = fopen(name, "rb");
177 fseek(f, 0, SEEK_END);
179 fseek(f, 0, SEEK_SET);
187 fread(buf, 1, *len, f);
194 void * os_zalloc(size_t size)
196 return calloc(1, size);
200 size_t os_strlcpy(char *dest, const char *src, size_t siz)
206 /* Copy string up to the maximum size of the dest buffer */
207 while (--left != 0) {
208 if ((*dest++ = *s++) == '\0')
214 /* Not enough room for the string; force NUL-termination */
218 ; /* determine total src string length */