dlls/setupapi/infparse.c

   1 /*
   2  * SetupX .inf file parsing functions
   3  *
   4  * FIXME: return values ???
   5  */
   6
   7 #include "debugtools.h"
   8 #include "windef.h"
   9 #include "winbase.h"
  10 #include "heap.h"
  11 #include "wine/winbase16.h"
  12 #include "setupx16.h"
  13
  14 DEFAULT_DEBUG_CHANNEL(setupx);
  15
  16 WORD InfNumEntries = 0;
  17 INF_FILE *InfList = NULL;
  18 HINF16 IP_curr_handle = 0;
  19
  20 RETERR16 IP_OpenInf(LPCSTR lpInfFileName, HINF16 *lphInf)
  21 {
  22     HFILE hFile = _lopen(lpInfFileName, OF_READ);
  23
  24     if (!lphInf)
  25         return IP_ERROR;
  26
  27     /* this could be improved by checking for already freed handles */
  28     if (IP_curr_handle == 0xffff)
  29         return ERR_IP_OUT_OF_HANDLES;
  30
  31     if (hFile != HFILE_ERROR)
  32     {
  33         InfList = HeapReAlloc(GetProcessHeap(), 0, InfList, InfNumEntries+1);
  34         InfList[InfNumEntries].hInf = IP_curr_handle++;
  35         InfList[InfNumEntries].hInfFile = hFile;
  36         InfList[InfNumEntries].lpInfFileName = HeapAlloc( GetProcessHeap(), 0,
  37                                                           strlen(lpInfFileName)+1);
  38         strcpy( InfList[InfNumEntries].lpInfFileName, lpInfFileName );
  39         *lphInf = InfList[InfNumEntries].hInf;
  40         InfNumEntries++;
  41         TRACE("ret handle %d.\n", *lphInf);
  42         return OK;
  43     }
  44     *lphInf = 0xffff;
  45     return ERR_IP_INVALID_INFFILE;
  46 }
  47
  48 BOOL IP_FindInf(HINF16 hInf, WORD *ret)
  49 {
  50     WORD n;
  51
  52     for (n=0; n < InfNumEntries; n++)
  53         if (InfList[n].hInf == hInf)
  54         {
  55             *ret = n;
  56             return TRUE;
  57         }
  58     return FALSE;
  59 }
  60
  61
  62 LPCSTR IP_GetFileName(HINF16 hInf)
  63 {
  64     WORD n;
  65     if (IP_FindInf(hInf, &n))
  66     {
  67         return InfList[n].lpInfFileName;
  68     }
  69     return NULL;
  70 }
  71
  72 RETERR16 IP_CloseInf(HINF16 hInf)
  73 {
  74     int i;
  75     WORD n;
  76     RETERR16 res = ERR_IP_INVALID_HINF;
  77
  78     if (IP_FindInf(hInf, &n))
  79     {
  80         _lclose(InfList[n].hInfFile);
  81         HeapFree(GetProcessHeap(), 0, InfList[n].lpInfFileName);
  82         for (i=n; i < InfNumEntries-1; i++)
  83             InfList[i] = InfList[i+1];
  84         InfNumEntries--;
  85         InfList = HeapReAlloc(GetProcessHeap(), 0, InfList, InfNumEntries);
  86         res = OK;
  87     }
  88     return res;
  89 }
  90
  91 /***********************************************************************
  92  *              IpOpen16
  93  *
  94  */
  95 RETERR16 WINAPI IpOpen16(LPCSTR lpInfFileName, HINF16 *lphInf)
  96 {
  97     TRACE("('%s', %p)\n", lpInfFileName, lphInf);
  98     return IP_OpenInf(lpInfFileName, lphInf);
  99 }
 100
 101 /***********************************************************************
 102  *              IpClose16
 103  */
 104 RETERR16 WINAPI IpClose16(HINF16 hInf)
 105 {
 106     return IP_CloseInf(hInf);
 107 }
 108
 109 /***********************************************************************
 110  *              IpGetProfileString16
 111  */
 112 RETERR16 WINAPI IpGetProfileString16(HINF16 hInf, LPCSTR section, LPCSTR entry, LPSTR buffer, WORD buflen)
 113 {
 114     TRACE("'%s': section '%s' entry '%s'\n", IP_GetFileName(hInf), section, entry);
 115     GetPrivateProfileStringA(section, entry, "", buffer, buflen, IP_GetFileName(hInf));
 116     return 0;
 117 }