static BOOL get_gs_string_product(int gs_revision, const char *name,
char *ptr, int len, const char *gs_productfamily)
{
/* If using Win32, look in the registry for a value with
* the given name. The registry value will be under the key
* HKEY_CURRENT_USER\Software\AFPL Ghostscript\N.NN
* or if that fails under the key
* HKEY_LOCAL_MACHINE\Software\AFPL Ghostscript\N.NN
* where "AFPL Ghostscript" is actually gs_productfamily
* and N.NN is obtained from gs_revision.
*/
int code;
char key[256];
char dotversion[16];
int length;
DWORD version = GetVersion();
if (((HIWORD(version) & 0x8000) != 0)
&& ((HIWORD(version) & 0x4000) == 0)) {
/* Win32s */
return FALSE;
}
if (gs_revision % 100 == 0)
wsprintf(dotversion, "%d.0", (int)(gs_revision/100));
else
wsprintf(dotversion, "%d.%02d",
(int)(gs_revision / 100), (int)(gs_revision % 100));
wsprintf(key, "Software\\%s\\%s", gs_productfamily, dotversion);
length = len;
code = gp_getenv_registry(HKEY_CURRENT_USER, key, name, ptr, &length);
if ( code == 0 )
return TRUE; /* found it */
length = len;
code = gp_getenv_registry(HKEY_LOCAL_MACHINE, key, name, ptr, &length);
if ( code == 0 )
return TRUE; /* found it */
return FALSE;
}
/* Get the value of an environment variable. See gp.h for details. */
int
gp_getenv(const char *name, char *ptr, int *plen)
{
const char *str = getenv(name);
if (str) {
int len = strlen(str);
if (len < *plen) {
/* string fits */
strcpy(ptr, str);
*plen = len + 1;
return 0;
}
/* string doesn't fit */
*plen = len + 1;
return -1;
}
/* environment variable was not found */
#ifdef __WIN32__
{
/* If using Win32, look in the registry for a value with
* the given name. The registry value will be under the key
* HKEY_CURRENT_USER\Software\GPL Ghostscript\N.NN
* or if that fails under the key
* HKEY_LOCAL_MACHINE\Software\GPL Ghostscript\N.NN
* where "GPL Ghostscript" is actually gs_productfamily
* and N.NN is obtained from gs_revision.
*/
DWORD version = GetVersion();
if (!(((HIWORD(version) & 0x8000) != 0)
&& ((HIWORD(version) & 0x4000) == 0))) {
/* not Win32s */
int code;
#ifdef WINDOWS_NO_UNICODE
char key[256];
char dotversion[16];
sprintf(dotversion, "%d.%02d", (int)(gs_revision / 100),
(int)(gs_revision % 100));
sprintf(key, "Software\\%s\\%s", gs_productfamily, dotversion);
#else
wchar_t key[256];
wchar_t dotversion[16];
wsprintfW(dotversion, L"%d.%02d", (int)(gs_revision / 100),
(int)(gs_revision % 100));
wsprintfW(key, L"Software\\%hs\\%s", gs_productfamily, dotversion);
#endif
code = gp_getenv_registry(HKEY_CURRENT_USER, key, name, ptr, plen);
if ( code <= 0 )
return code; /* found it */
code = gp_getenv_registry(HKEY_LOCAL_MACHINE, key, name, ptr, plen);
if ( code <= 0 )
return code; /* found it */
}
}
#endif
/* nothing found at all */
if (*plen > 0)
*ptr = 0;
*plen = 1;
return 1;
}
