ref: 2df46868ae68060f3eb681a5dd1943ee522a88b4
dir: /wince/env.c/
// // "Extension" implementation of getenv for Windows CE. // // I (Simon Howard) release this file to the public domain. // #include <stdlib.h> #include <string.h> #include <windows.h> #include <lmcons.h> #include <shlobj.h> #include "env.h" static int buffers_loaded = 0; static char username_buf[UNLEN + 1]; static char temp_buf[MAX_PATH + 1]; static char home_buf[MAX_PATH + 1]; static void WCharToChar(wchar_t *src, char *dest, int buf_len) { unsigned int len; len = wcslen(src); WideCharToMultiByte(CP_OEMCP, 0, src, len, dest, buf_len, NULL, NULL); } static void LoadBuffers(void) { wchar_t temp[MAX_PATH]; DWORD buf_len; // Username: buf_len = UNLEN; GetUserNameW(temp, &buf_len); WCharToChar(temp, temp_buf, MAX_PATH); // Temp dir: GetTempPathW(MAX_PATH, temp); WCharToChar(temp, temp_buf, MAX_PATH); // Use My Documents dir as home: SHGetSpecialFolderPath(NULL, temp, CSIDL_PERSONAL, 0); WCharToChar(temp, home_buf, MAX_PATH); } char *getenv(const char *name) { if (!buffers_loaded) { LoadBuffers(); buffers_loaded = 1; } if (!strcmp(name, "USER") || !strcmp(name, "USERNAME")) { return username_buf; } else if (!strcmp(name, "TEMP")) { return temp_buf; } else if (!strcmp(name, "HOME")) { return home_buf; } else { return NULL; } }