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Annotation of sbbs/javascript/include/mozilla/nspr/prwin16.h, revision 1.1

1.1     ! root        1: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
        !             2: /* 
        !             3:  * The contents of this file are subject to the Mozilla Public
        !             4:  * License Version 1.1 (the "License"); you may not use this file
        !             5:  * except in compliance with the License. You may obtain a copy of
        !             6:  * the License at http://www.mozilla.org/MPL/
        !             7:  * 
        !             8:  * Software distributed under the License is distributed on an "AS
        !             9:  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
        !            10:  * implied. See the License for the specific language governing
        !            11:  * rights and limitations under the License.
        !            12:  * 
        !            13:  * The Original Code is the Netscape Portable Runtime (NSPR).
        !            14:  * 
        !            15:  * The Initial Developer of the Original Code is Netscape
        !            16:  * Communications Corporation.  Portions created by Netscape are 
        !            17:  * Copyright (C) 1998-2000 Netscape Communications Corporation.  All
        !            18:  * Rights Reserved.
        !            19:  * 
        !            20:  * Contributor(s):
        !            21:  * 
        !            22:  * Alternatively, the contents of this file may be used under the
        !            23:  * terms of the GNU General Public License Version 2 or later (the
        !            24:  * "GPL"), in which case the provisions of the GPL are applicable 
        !            25:  * instead of those above.  If you wish to allow use of your 
        !            26:  * version of this file only under the terms of the GPL and not to
        !            27:  * allow others to use your version of this file under the MPL,
        !            28:  * indicate your decision by deleting the provisions above and
        !            29:  * replace them with the notice and other provisions required by
        !            30:  * the GPL.  If you do not delete the provisions above, a recipient
        !            31:  * may use your version of this file under either the MPL or the
        !            32:  * GPL.
        !            33:  */
        !            34: 
        !            35: #ifndef prwin16_h___
        !            36: #define prwin16_h___
        !            37: 
        !            38: /*
        !            39: ** Condition use of this header on platform.
        !            40: */
        !            41: #if (defined(XP_PC) && !defined(_WIN32) && !defined(XP_OS2) && defined(MOZILLA_CLIENT)) || defined(WIN16)
        !            42: #include <stdio.h>
        !            43: 
        !            44: PR_BEGIN_EXTERN_C
        !            45: /* 
        !            46: ** Win16 stdio special case.
        !            47: ** To get stdio to work for Win16, all calls to printf() and related
        !            48: ** things must be called from the environment of the .EXE; calls to
        !            49: ** printf() from the .DLL send output to the bit-bucket.
        !            50: **
        !            51: ** To make sure that PR_fprintf(), and related functions, work correctly,
        !            52: ** the actual stream I/O to stdout, stderr, stdin must be done in the
        !            53: ** .EXE. To do this, a hack is placed in _MD_Write() such that the
        !            54: ** fd for stdio handles results in a call to the .EXE.
        !            55: **
        !            56: ** file w16stdio.c contains the functions that get called from NSPR
        !            57: ** to do the actual I/O. w16stdio.o must be statically linked with
        !            58: ** any application needing stdio for Win16.
        !            59: **
        !            60: ** The address of these functions must be made available to the .DLL
        !            61: ** so he can call back to the .EXE. To do this, function 
        !            62: ** PR_MD_RegisterW16StdioCallbacks() is called from the .EXE.
        !            63: ** The arguments are the functions defined in w16stdio.c
        !            64: ** At runtime, MD_Write() calls the registered functions, if any
        !            65: ** were registered.
        !            66: **
        !            67: ** prinit.h contains a macro PR_STDIO_INIT() that calls the registration
        !            68: ** function for Win16; For other platforms, the macro is a No-Op.
        !            69: **
        !            70: ** Note that stdio is not operational at all on Win16 GUI applications.
        !            71: ** This special case exists to provide stdio capability from the NSPR
        !            72: ** .DLL for command line applications only. NSPR's test cases are
        !            73: ** almost exclusively command line applications.
        !            74: **
        !            75: ** See also: w16io.c, w16stdio.c
        !            76: */
        !            77: typedef PRInt32 (PR_CALLBACK *PRStdinRead)( void *buf, PRInt32 amount);
        !            78: typedef PRInt32 (PR_CALLBACK *PRStdoutWrite)( void *buf, PRInt32 amount);
        !            79: typedef PRInt32 (PR_CALLBACK *PRStderrWrite)( void *buf, PRInt32 amount);
        !            80: 
        !            81: NSPR_API(PRStatus)
        !            82: PR_MD_RegisterW16StdioCallbacks( 
        !            83:     PRStdinRead inReadf,            /* i: function pointer for stdin read       */
        !            84:     PRStdoutWrite outWritef,        /* i: function pointer for stdout write     */
        !            85:     PRStderrWrite errWritef         /* i: function pointer for stderr write     */
        !            86:     );
        !            87: 
        !            88: NSPR_API(PRInt32)
        !            89: _PL_W16StdioWrite( void *buf, PRInt32 amount );
        !            90: 
        !            91: NSPR_API(PRInt32)
        !            92: _PL_W16StdioRead( void *buf, PRInt32 amount );
        !            93: 
        !            94: #define PR_STDIO_INIT() PR_MD_RegisterW16StdioCallbacks( \
        !            95:     _PL_W16StdioRead, _PL_W16StdioWrite, _PL_W16StdioWrite ); \
        !            96:     PR_INIT_CALLBACKS();
        !            97: 
        !            98: /*
        !            99: ** Win16 hackery.
        !           100: **
        !           101: */
        !           102: struct PRMethodCallbackStr {
        !           103:     int     (PR_CALLBACK *auxOutput)(const char *outputString);
        !           104:     size_t  (PR_CALLBACK *strftime)(char *s, size_t len, const char *fmt, const struct tm *p);
        !           105:     void *  (PR_CALLBACK *malloc)( size_t size );
        !           106:     void *  (PR_CALLBACK *calloc)(size_t n, size_t size );
        !           107:     void *  (PR_CALLBACK *realloc)( void* old_blk, size_t size );
        !           108:     void    (PR_CALLBACK *free)( void *ptr );
        !           109:     void *  (PR_CALLBACK *getenv)( const char *name);
        !           110:     int     (PR_CALLBACK *putenv)( const char *assoc);
        !           111: /*    void *  (PR_CALLBACK *perror)( const char *prefix ); */
        !           112: };
        !           113: 
        !           114: NSPR_API(void) PR_MDRegisterCallbacks(struct PRMethodCallbackStr *);
        !           115: 
        !           116: int PR_CALLBACK _PL_W16CallBackPuts( const char *outputString );
        !           117: size_t PR_CALLBACK _PL_W16CallBackStrftime( 
        !           118:     char *s, 
        !           119:     size_t len, 
        !           120:     const char *fmt,
        !           121:     const struct tm *p );
        !           122: void * PR_CALLBACK _PL_W16CallBackMalloc( size_t size );
        !           123: void * PR_CALLBACK _PL_W16CallBackCalloc( size_t n, size_t size );
        !           124: void * PR_CALLBACK _PL_W16CallBackRealloc( 
        !           125:     void *old_blk, 
        !           126:     size_t size );
        !           127: void   PR_CALLBACK _PL_W16CallBackFree( void *ptr );
        !           128: void * PR_CALLBACK _PL_W16CallBackGetenv( const char *name );
        !           129: int PR_CALLBACK _PL_W16CallBackPutenv( const char *assoc );
        !           130: 
        !           131: /*
        !           132: ** Hackery! 
        !           133: **
        !           134: ** These functions are provided as static link points.
        !           135: ** This is to satisfy the quick port of Gromit to NSPR 2.0
        !           136: ** ... Don't do this! ... alas, It may never go away.
        !           137: ** 
        !           138: */
        !           139: NSPR_API(int)     PR_MD_printf(const char *, ...);
        !           140: NSPR_API(void)    PR_MD_exit(int);
        !           141: NSPR_API(size_t)  PR_MD_strftime(char *, size_t, const char *, const struct tm *); 
        !           142: NSPR_API(int)     PR_MD_sscanf(const char *, const char *, ...);
        !           143: NSPR_API(void*)   PR_MD_malloc( size_t size );
        !           144: NSPR_API(void*)   PR_MD_calloc( size_t n, size_t size );
        !           145: NSPR_API(void*)   PR_MD_realloc( void* old_blk, size_t size );
        !           146: NSPR_API(void)    PR_MD_free( void *ptr );
        !           147: NSPR_API(char*)   PR_MD_getenv( const char *name );
        !           148: NSPR_API(int)     PR_MD_putenv( const char *assoc );
        !           149: NSPR_API(int)     PR_MD_fprintf(FILE *fPtr, const char *fmt, ...);
        !           150: 
        !           151: #define PR_INIT_CALLBACKS()                         \
        !           152:     {                                               \
        !           153:         static struct PRMethodCallbackStr cbf = {   \
        !           154:             _PL_W16CallBackPuts,                    \
        !           155:             _PL_W16CallBackStrftime,                \
        !           156:             _PL_W16CallBackMalloc,                  \
        !           157:             _PL_W16CallBackCalloc,                  \
        !           158:             _PL_W16CallBackRealloc,                 \
        !           159:             _PL_W16CallBackFree,                    \
        !           160:             _PL_W16CallBackGetenv,                  \
        !           161:             _PL_W16CallBackPutenv,                  \
        !           162:         };                                          \
        !           163:         PR_MDRegisterCallbacks( &cbf );             \
        !           164:     }
        !           165: 
        !           166: 
        !           167: /*
        !           168: ** Get the exception context for Win16 MFC applications threads
        !           169: */
        !           170: NSPR_API(void *) PR_W16GetExceptionContext(void);
        !           171: /*
        !           172: ** Set the exception context for Win16 MFC applications threads
        !           173: */
        !           174: NSPR_API(void) PR_W16SetExceptionContext(void *context);
        !           175: 
        !           176: PR_END_EXTERN_C
        !           177: #else
        !           178: /*
        !           179: ** For platforms other than Win16, define
        !           180: ** PR_STDIO_INIT() as a No-Op.
        !           181: */
        !           182: #define PR_STDIO_INIT()
        !           183: #endif /* WIN16 || MOZILLA_CLIENT */
        !           184: 
        !           185: #endif /* prwin16_h___ */
        !           186: 
        !           187: 
        !           188: 
        !           189: 
        !           190: 
        !           191: 
        !           192: 
        !           193: 

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