static char *get_aux_path(void)
{
const char *key = "SOFTWARE\\ev-i\\hpgs";
DWORD len;
HKEY hkey;
char *ret;
const char *prg;
if ((RegOpenKeyEx(HKEY_CURRENT_USER,
key, 0, KEY_READ, &hkey) == ERROR_SUCCESS ||
RegOpenKeyEx(HKEY_LOCAL_MACHINE,
key, 0, KEY_READ, &hkey) == ERROR_SUCCESS )&&
RegQueryValueEx(hkey,"prefix",NULL,NULL,NULL,&len) == ERROR_SUCCESS)
{
ret = malloc(len+2);
if (RegQueryValueEx(hkey,"prefix",NULL,NULL,ret,&len) != ERROR_SUCCESS)
{ free (ret); ret = 0; }
RegCloseKey(hkey);
return ret;
}
prg = getenv("PROGRAMFILES");
if (prg)
return hpgs_sprintf_malloc("%s\\EV-i",prg);
return strdup("C:\\Programme\\EV-i");
}
/*! Constructs a filename on the heap for a file located in the
installation path passed to \c hpgs_init.
Returns 0, if the system is out of memory.
*/
char *hpgs_share_filename(const char *rel_filename)
{
return hpgs_sprintf_malloc("%s%cshare%chpgs%c%s",
hpgs_get_prefix(),
HPGS_PATH_SEPARATOR,
HPGS_PATH_SEPARATOR,
HPGS_PATH_SEPARATOR,
rel_filename);
}
/*! Prepends the error message of the current thread with the given string.
this is useful, if you want to push context information
to the error message.
Always returns -1.
*/
int hpgs_verror_ctxt(const char *fmt, va_list ap)
{
char *x;
#ifdef WIN32
x = (char *)TlsGetValue(tls_handle);
if (!fmt) return -1;
char * new_p = vsprintf_hHeap(fmt,ap);
if (!new_p) return -1;
if (x)
{
char *tmp = sprintf_hHeap("%s: %s",new_p,x);
HeapFree(hHeap,0,new_p);
if (!tmp) return -1;
HeapFree(hHeap,0,x);
new_p = tmp;
}
TlsSetValue(tls_handle,new_p);
#else
x = (char *)pthread_getspecific (key);
char * new_p = hpgs_vsprintf_malloc(fmt,ap);
if (!new_p) return -1;
if (x)
{
char *tmp = hpgs_sprintf_malloc("%s: %s",new_p,x);
free(new_p);
if (!tmp) return -1;
free(x);
new_p = tmp;
}
pthread_setspecific (key,new_p);
#endif
return -1;
}
