windows-nt/Source/XPSP1/NT/multimedia/media/avi/avicap.io/profile.c

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2020-09-26 03:20:57 -05:00
/*
* AVICAP32:
*
* profile.c
*
* win32/win16 utility functions to read and write profile items
* for VFW
*
* ONLY mmGetProfileIntA is supported here
*
*/
#if defined(_WIN32) && defined(UNICODE)
// This whole file is only used for 32 bit code. It is the implementation
// that allows Win GetProfilexxx calls to use the registry.
#include <windows.h>
#include <windowsx.h>
#include <profile.key>
#include <win32.h>
#include <stdlib.h> // for atoi
#include "profile.h"
static HKEY GetKeyA(LPCSTR appname, BOOL fCreate)
{
HKEY key = 0;
char achName[MAX_PATH];
lstrcpyA(achName, KEYNAMEA);
lstrcatA(achName, appname);
if ((!fCreate && RegOpenKeyA(ROOTKEY, achName, &key) == ERROR_SUCCESS)
|| (fCreate && RegCreateKeyA(ROOTKEY, achName, &key) == ERROR_SUCCESS)) {
}
return(key);
}
#define GetKey GetKeyA
/*
* read a UINT from the profile, or return default if
* not found.
*/
UINT
mmGetProfileIntA(LPCSTR appname, LPCSTR valuename, INT uDefault)
{
DWORD dwType;
INT value = uDefault;
DWORD dwData;
int cbData;
HKEY key = GetKeyA(appname, FALSE);
if (key) {
cbData = sizeof(dwData);
if (RegQueryValueExA(
key,
(LPSTR)valuename,
NULL,
&dwType,
(PBYTE) &dwData,
&cbData) == ERROR_SUCCESS) {
if (dwType == REG_DWORD || dwType == REG_BINARY) {
value = (INT)dwData;
} else if (dwType == REG_SZ) {
value = atoi((LPSTR) &dwData);
}
}
RegCloseKey(key);
}
return((UINT)value);
}
#endif // DAYTONA