git.oblomov.eu Git - wine/blob - dlls/msacm32/internal.c

   1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
   2
   3 /*
   4  *      MSACM32 library
   5  *
   6  *      Copyright 1998  Patrik Stridvall
   7  *                1999  Eric Pouech
   8  */
   9
  10 #include <string.h>
  11
  12 #include "winbase.h"
  13 #include "winuser.h"
  14 #include "winerror.h"
  15 #include "driver.h"
  16 #include "heap.h"
  17 #include "mmsystem.h"
  18 #include "msacm.h"
  19 #include "msacmdrv.h"
  20 #include "wineacm.h"
  21 #include "debugtools.h"
  22
  23 DEFAULT_DEBUG_CHANNEL(msacm)
  24
  25 /**********************************************************************/
  26
  27 HANDLE MSACM_hHeap = (HANDLE) NULL;
  28 PWINE_ACMDRIVERID MSACM_pFirstACMDriverID = NULL;
  29 PWINE_ACMDRIVERID MSACM_pLastACMDriverID = NULL;
  30
  31 /***********************************************************************
  32  *           MSACM_RegisterDriver32()
  33  */
  34 PWINE_ACMDRIVERID MSACM_RegisterDriver(LPSTR pszDriverAlias, LPSTR pszFileName,
  35                                        HINSTANCE hinstModule)
  36 {
  37     PWINE_ACMDRIVERID padid;
  38
  39     TRACE("('%s', '%s', 0x%08x)\n", pszDriverAlias, pszFileName, hinstModule);
  40
  41     padid = (PWINE_ACMDRIVERID) HeapAlloc(MSACM_hHeap, 0, sizeof(WINE_ACMDRIVERID));
  42     padid->pszDriverAlias = HEAP_strdupA(MSACM_hHeap, 0, pszDriverAlias);
  43     padid->pszFileName = HEAP_strdupA(MSACM_hHeap, 0, pszFileName);
  44     padid->hInstModule = hinstModule;
  45     padid->bEnabled = TRUE;
  46     padid->pACMDriver = NULL;
  47     padid->pNextACMDriverID = NULL;
  48     padid->pPreviousACMDriverID = MSACM_pLastACMDriverID;
  49     if (MSACM_pLastACMDriverID)
  50         MSACM_pLastACMDriverID->pNextACMDriverID = padid;
  51     MSACM_pLastACMDriverID = padid;
  52     if (!MSACM_pFirstACMDriverID)
  53         MSACM_pFirstACMDriverID = padid;
  54
  55     return padid;
  56 }
  57
  58 /***********************************************************************
  59  *           MSACM_RegisterAllDrivers32()
  60  */
  61 void MSACM_RegisterAllDrivers(void)
  62 {
  63     LPSTR pszBuffer;
  64     DWORD dwBufferLength;
  65
  66     /* FIXME
  67      *  What if the user edits system.ini while the program is running?
  68      *  Does Windows handle that?
  69      */
  70     if (MSACM_pFirstACMDriverID)
  71         return;
  72
  73     /* FIXME: Do not work! How do I determine the section length? */
  74     dwBufferLength = 1024;
  75 /* EPP  GetPrivateProfileSectionA("drivers32", NULL, 0, "system.ini"); */
  76
  77     pszBuffer = (LPSTR) HeapAlloc(MSACM_hHeap, 0, dwBufferLength);
  78     if (GetPrivateProfileSectionA("drivers32", pszBuffer, dwBufferLength, "system.ini")) {
  79         char* s = pszBuffer;
  80         while (*s) {
  81             if (!lstrncmpiA("MSACM.", s, 6)) {
  82                 char *s2 = s;
  83                 while (*s2 != '\0' && *s2 != '=') s2++;
  84                 if (*s2) {
  85                     *s2++ = '\0';
  86                     MSACM_RegisterDriver(s, s2, 0);
  87                 }
  88             }
  89             s += lstrlenA(s) + 1; /* Either next char or \0 */
  90         }
  91     }
  92
  93     HeapFree(MSACM_hHeap, 0, pszBuffer);
  94 }
  95
  96 /***********************************************************************
  97  *           MSACM_UnregisterDriver32()
  98  */
  99 PWINE_ACMDRIVERID MSACM_UnregisterDriver(PWINE_ACMDRIVERID p)
 100 {
 101     PWINE_ACMDRIVERID pNextACMDriverID;
 102
 103     if (p->pACMDriver)
 104         acmDriverClose((HACMDRIVER) p->pACMDriver, 0);
 105
 106     if (p->pszDriverAlias)
 107         HeapFree(MSACM_hHeap, 0, p->pszDriverAlias);
 108     if (p->pszFileName)
 109         HeapFree(MSACM_hHeap, 0, p->pszFileName);
 110
 111     if (p == MSACM_pFirstACMDriverID)
 112         MSACM_pFirstACMDriverID = p->pNextACMDriverID;
 113     if (p == MSACM_pLastACMDriverID)
 114         MSACM_pLastACMDriverID = p->pPreviousACMDriverID;
 115
 116     if (p->pPreviousACMDriverID)
 117         p->pPreviousACMDriverID->pNextACMDriverID = p->pNextACMDriverID;
 118     if (p->pNextACMDriverID)
 119         p->pNextACMDriverID->pPreviousACMDriverID = p->pPreviousACMDriverID;
 120
 121     pNextACMDriverID = p->pNextACMDriverID;
 122
 123     HeapFree(MSACM_hHeap, 0, p);
 124
 125     return pNextACMDriverID;
 126 }
 127
 128 /***********************************************************************
 129  *           MSACM_UnregisterAllDrivers32()
 130  * FIXME
 131  *   Where should this function be called?
 132  */
 133 void MSACM_UnregisterAllDrivers(void)
 134 {
 135     PWINE_ACMDRIVERID p;
 136
 137     for (p = MSACM_pFirstACMDriverID; p; p = MSACM_UnregisterDriver(p));
 138 }
 139
 140 /***********************************************************************
 141  *           MSACM_GetDriverID32()
 142  */
 143 PWINE_ACMDRIVERID MSACM_GetDriverID(HACMDRIVERID hDriverID)
 144 {
 145     return (PWINE_ACMDRIVERID)hDriverID;
 146 }
 147
 148 /***********************************************************************
 149  *           MSACM_GetDriver32()
 150  */
 151 PWINE_ACMDRIVER MSACM_GetDriver(HACMDRIVER hDriver)
 152 {
 153     return (PWINE_ACMDRIVER)hDriver;
 154 }
 155
 156 /***********************************************************************
 157  *           MSACM_GetObj32()
 158  */
 159 PWINE_ACMOBJ MSACM_GetObj(HACMOBJ hObj)
 160 {
 161     return (PWINE_ACMOBJ)hObj;
 162 }
 163
 164