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Annotation of mstools/samples/playsnd/debug.c, revision 1.1

1.1     ! root        1: /*
        !             2:     debug.c
        !             3: 
        !             4:     debugging menu support
        !             5: 
        !             6:     Debug level info is in WIN.INI in the [debug] section:
        !             7: 
        !             8:         [debug]
        !             9:         App=0               level for App
        !            10: 
        !            11: */
        !            12: 
        !            13: #include <stdio.h>
        !            14: #include <windows.h>
        !            15: #include "PlaySnd.h"
        !            16: #include <stdarg.h>
        !            17: 
        !            18: #ifdef MEDIA_DEBUG
        !            19: 
        !            20: extern void winmmSetDebugLevel(int level);
        !            21: 
        !            22: void dDbgSetDebugMenuLevel(int i)
        !            23: {
        !            24:     HMENU hMenu;
        !            25:     UINT m;
        !            26: 
        !            27:     if ((i < 0) || (i > 4)) i = 4;
        !            28:     hMenu = GetMenu(ghwndMain);
        !            29: 
        !            30:     for (m=IDM_DEBUG0; m<=IDM_DEBUG4; m++) {
        !            31:         CheckMenuItem(hMenu, m, MF_UNCHECKED);
        !            32:     }
        !            33: 
        !            34:     CheckMenuItem(hMenu, (i + IDM_DEBUG0), MF_CHECKED);
        !            35:     __iDebugLevel = i;
        !            36:     dprintf3("Debug level set to %d", i);
        !            37: 
        !            38:     //
        !            39:     // set the winmm dll debug level to be the same
        !            40:     //
        !            41: 
        !            42:     winmmSetDebugLevel(i);
        !            43: }
        !            44: 
        !            45: /***************************************************************************
        !            46: 
        !            47:     @doc INTERNAL
        !            48: 
        !            49:     @api void | dDbgOut | This function sends output to the current
        !            50:         debug output device.
        !            51: 
        !            52:     @parm LPSTR | lpszFormat | Pointer to a printf style format string.
        !            53:     @parm ??? | ... | Args.
        !            54: 
        !            55:     @rdesc There is no return value.
        !            56: 
        !            57: ****************************************************************************/
        !            58: 
        !            59: void dDbgOut(LPSTR lpszFormat, ...)
        !            60: {
        !            61:     int i;
        !            62:     char buf[256];
        !            63:     va_list va;
        !            64: 
        !            65:     sprintf(buf, "%s: ", szAppName);
        !            66:     OutputDebugString(buf);
        !            67: 
        !            68:     va_start(va, lpszFormat);
        !            69:     i = vsprintf(buf, lpszFormat, va);
        !            70:     va_end(va);
        !            71: 
        !            72:     OutputDebugString(buf);
        !            73: 
        !            74:     OutputDebugString("\n");
        !            75: }
        !            76: 
        !            77: /***************************************************************************
        !            78: 
        !            79:     @doc INTERNAL
        !            80: 
        !            81:     @api int | dDbgGetLevel | This function gets the current debug level
        !            82:         for a module.
        !            83: 
        !            84:     @parm LPSTR | lpszModule | The name of the module.
        !            85: 
        !            86:     @rdesc The return value is the current debug level.
        !            87: 
        !            88:     @comm The information is kept in the [debug] section of WIN.INI
        !            89: 
        !            90: ****************************************************************************/
        !            91: 
        !            92: int dDbgGetLevel(LPSTR lpszAppName)
        !            93: {
        !            94: #ifdef MEDIA_DEBUG
        !            95:     return GetProfileInt("MMDEBUG", lpszAppName, 4);
        !            96: #else
        !            97:     return GetProfileInt("MMDEBUG", lpszAppName, 1);
        !            98: #endif
        !            99: }
        !           100: 
        !           101: /***************************************************************************
        !           102: 
        !           103:     @doc INTERNAL
        !           104: 
        !           105:     @api int | dDbgSaveLevel | This function saves the current debug level
        !           106:         for a module.
        !           107: 
        !           108:     @parm LPSTR | lpszModule | The name of the module.
        !           109:     @parm int | iLevel | The value to save.
        !           110: 
        !           111:     @rdesc There is no return value.
        !           112: 
        !           113:     @comm The information is kept in the [debug] section of WIN.INI
        !           114: 
        !           115: ****************************************************************************/
        !           116: 
        !           117: void dDbgSaveLevel(LPSTR lpszAppName, int iLevel)
        !           118: {
        !           119:     char buf[80];
        !           120: 
        !           121:     sprintf(buf, "%d", iLevel);
        !           122:     WriteProfileString("MMDEBUG", lpszAppName, buf);
        !           123: }
        !           124: 
        !           125: /***************************************************************************
        !           126: 
        !           127:     @doc INTERNAL
        !           128: 
        !           129:     @api void | dDbgAssert | This function shows an assert message box.
        !           130: 
        !           131:     @parm LPSTR | exp | Pointer to the expression string.
        !           132:     @parm LPSTR | file | Pointer to the file name.
        !           133:     @parm int | line | The line number.
        !           134: 
        !           135:     @rdesc There is no return value.
        !           136: 
        !           137:     @comm We try to use the current active window as the parent. If
        !           138:         this fails we use the desktop window.  The box is system
        !           139:         modal to avoid any trouble.
        !           140: 
        !           141: ****************************************************************************/
        !           142: 
        !           143: void dDbgAssert(LPSTR exp, LPSTR file, int line)
        !           144: {
        !           145:     char bufTmp[256];
        !           146:     int iResponse;
        !           147:     HWND hWnd;
        !           148: 
        !           149:     sprintf(bufTmp,
        !           150:         "Expression: %s\nFile: %s, Line: %d\n\nAbort:  Exit Process\nRetry:  Enter Debugger\nIgnore: Continue",
        !           151:         exp, file, line);
        !           152: 
        !           153:     // try to use the active window, but NULL is ok if there
        !           154:     // isn't one.
        !           155: 
        !           156:     hWnd = GetActiveWindow();
        !           157: 
        !           158:     iResponse = MessageBox(hWnd,
        !           159:                            bufTmp,
        !           160:                            "Assertion Failure - continue?",
        !           161:                            MB_TASKMODAL
        !           162:                             | MB_ICONEXCLAMATION
        !           163:                             | MB_DEFBUTTON3
        !           164:                             | MB_OKCANCEL);
        !           165: 
        !           166:     switch (iResponse) {
        !           167:         case 0:
        !           168:             dprintf1("Assert message box failed");
        !           169:             dprintf2("  Expression: %s", exp);
        !           170:             dprintf2("  File: %s,  Line: %d", file, line);
        !           171:             break;
        !           172:         case IDCANCEL:
        !           173:             ExitProcess(1);
        !           174:             break;
        !           175:         case IDOK:
        !           176:             break;
        !           177:         default:
        !           178:             dprintf1("Assert message box failed");
        !           179:             dprintf2("  Expression: %s", exp);
        !           180:             dprintf2("  File: %s,  Line: %d", file, line);
        !           181:             break;
        !           182:     }
        !           183: }
        !           184: 
        !           185: #endif

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