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//
// "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 <secext.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;
GetUserNameExW(NameDisplay, 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;
}
}
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