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windows.c: Added support for "int" configuration storage

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This patch addes body to the functions subsurface_get_conf_int()
and subsurface_set_conf_int().

It also makes some small changes:
- subsurface_get_conf_bool() now uses subsurface_get_conf_int()
- for retrieving DWORDS we would only need RegQueryValueEx,
thus the wchar_t conversations aren't really needed, unless
we start storing integers in keys with UTF-8 characters in the name.

Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Lubomir I. Ivanov 2013-03-01 02:45:32 +02:00 • committed by Dirk Hohndel
parent c0c88ba69d
commit 0fc089c669
1 changed files with 18 additions and 34 deletions
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52
windows.c
View file

@ -9,20 +9,6 @@ const char system_divelist_default_font[] = "Sans 8";
static HKEY hkey;
/* Return "boolean" 0/1, or -1 if nonexistent */
static int get_from_registry(HKEY hkey, const char *key)
{
DWORD value;
DWORD len = 4;
LONG success;
success = RegQueryValueEx(hkey, (LPCTSTR)TEXT(key), NULL, NULL,
(LPBYTE) &value, (LPDWORD)&len);
if (success != ERROR_SUCCESS)
return -1;
return value != 0;
}
void subsurface_open_conf(void)
{
LONG success;
@ -71,22 +57,14 @@ void subsurface_set_conf(char *name, const char *value)
free(wname);
}
void subsurface_set_conf_bool(char *name, int value)
{
wchar_t *wname;
wname = (wchar_t *)g_utf8_to_utf16(name, -1, NULL, NULL, NULL);
if (!wname)
return;
/* we simply store the value as DWORD */
RegSetValueExW(hkey, (LPCWSTR)wname, 0, REG_DWORD, (const BYTE *)&value, 4);
free(wname);
}
void subsurface_set_conf_int(char *name, int value)
{
/* call to set registry key to value here? */
RegSetValueEx(hkey, (LPCTSTR)name, 0, REG_DWORD, (const BYTE *)&value, 4);
}
void subsurface_set_conf_bool(char *name, int value)
{
subsurface_set_conf_int(name, value);
}
const void *subsurface_get_conf(char *name)
@ -127,14 +105,20 @@ const void *subsurface_get_conf(char *name)
return utf8_string;
}
int subsurface_get_conf_bool(char *name)
{
return get_from_registry(hkey, name);
}
int subsurface_get_conf_int(char *name)
{
return -1; /* windows registry call here? */
DWORD value = -1, len = 4;
RegQueryValueEx(hkey, (LPCTSTR)TEXT(name), NULL, NULL,
(LPBYTE)&value, (LPDWORD)&len);
return value;
}
int subsurface_get_conf_bool(char *name)
{
int ret = subsurface_get_conf_int(name);
if (ret == -1)
return 0;
return ret != 0;
}
void subsurface_flush_conf(void)