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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef prwin16_h___ | |
| 7 #define prwin16_h___ | |
| 8 | |
| 9 /* | |
| 10 ** Condition use of this header on platform. | |
| 11 */ | |
| 12 #if (defined(XP_PC) && !defined(_WIN32) && !defined(XP_OS2) && defined(MOZILLA_C
LIENT)) || defined(WIN16) | |
| 13 #include <stdio.h> | |
| 14 | |
| 15 PR_BEGIN_EXTERN_C | |
| 16 /* | |
| 17 ** Win16 stdio special case. | |
| 18 ** To get stdio to work for Win16, all calls to printf() and related | |
| 19 ** things must be called from the environment of the .EXE; calls to | |
| 20 ** printf() from the .DLL send output to the bit-bucket. | |
| 21 ** | |
| 22 ** To make sure that PR_fprintf(), and related functions, work correctly, | |
| 23 ** the actual stream I/O to stdout, stderr, stdin must be done in the | |
| 24 ** .EXE. To do this, a hack is placed in _MD_Write() such that the | |
| 25 ** fd for stdio handles results in a call to the .EXE. | |
| 26 ** | |
| 27 ** file w16stdio.c contains the functions that get called from NSPR | |
| 28 ** to do the actual I/O. w16stdio.o must be statically linked with | |
| 29 ** any application needing stdio for Win16. | |
| 30 ** | |
| 31 ** The address of these functions must be made available to the .DLL | |
| 32 ** so he can call back to the .EXE. To do this, function | |
| 33 ** PR_MD_RegisterW16StdioCallbacks() is called from the .EXE. | |
| 34 ** The arguments are the functions defined in w16stdio.c | |
| 35 ** At runtime, MD_Write() calls the registered functions, if any | |
| 36 ** were registered. | |
| 37 ** | |
| 38 ** prinit.h contains a macro PR_STDIO_INIT() that calls the registration | |
| 39 ** function for Win16; For other platforms, the macro is a No-Op. | |
| 40 ** | |
| 41 ** Note that stdio is not operational at all on Win16 GUI applications. | |
| 42 ** This special case exists to provide stdio capability from the NSPR | |
| 43 ** .DLL for command line applications only. NSPR's test cases are | |
| 44 ** almost exclusively command line applications. | |
| 45 ** | |
| 46 ** See also: w16io.c, w16stdio.c | |
| 47 */ | |
| 48 typedef PRInt32 (PR_CALLBACK *PRStdinRead)( void *buf, PRInt32 amount); | |
| 49 typedef PRInt32 (PR_CALLBACK *PRStdoutWrite)( void *buf, PRInt32 amount); | |
| 50 typedef PRInt32 (PR_CALLBACK *PRStderrWrite)( void *buf, PRInt32 amount); | |
| 51 | |
| 52 NSPR_API(PRStatus) | |
| 53 PR_MD_RegisterW16StdioCallbacks( | |
| 54 PRStdinRead inReadf, /* i: function pointer for stdin read
*/ | |
| 55 PRStdoutWrite outWritef, /* i: function pointer for stdout write
*/ | |
| 56 PRStderrWrite errWritef /* i: function pointer for stderr write
*/ | |
| 57 ); | |
| 58 | |
| 59 NSPR_API(PRInt32) | |
| 60 _PL_W16StdioWrite( void *buf, PRInt32 amount ); | |
| 61 | |
| 62 NSPR_API(PRInt32) | |
| 63 _PL_W16StdioRead( void *buf, PRInt32 amount ); | |
| 64 | |
| 65 #define PR_STDIO_INIT() PR_MD_RegisterW16StdioCallbacks( \ | |
| 66 _PL_W16StdioRead, _PL_W16StdioWrite, _PL_W16StdioWrite ); \ | |
| 67 PR_INIT_CALLBACKS(); | |
| 68 | |
| 69 /* | |
| 70 ** Win16 hackery. | |
| 71 ** | |
| 72 */ | |
| 73 struct PRMethodCallbackStr { | |
| 74 int (PR_CALLBACK *auxOutput)(const char *outputString); | |
| 75 size_t (PR_CALLBACK *strftime)(char *s, size_t len, const char *fmt, const
struct tm *p); | |
| 76 void * (PR_CALLBACK *malloc)( size_t size ); | |
| 77 void * (PR_CALLBACK *calloc)(size_t n, size_t size ); | |
| 78 void * (PR_CALLBACK *realloc)( void* old_blk, size_t size ); | |
| 79 void (PR_CALLBACK *free)( void *ptr ); | |
| 80 void * (PR_CALLBACK *getenv)( const char *name); | |
| 81 int (PR_CALLBACK *putenv)( const char *assoc); | |
| 82 /* void * (PR_CALLBACK *perror)( const char *prefix ); */ | |
| 83 }; | |
| 84 | |
| 85 NSPR_API(void) PR_MDRegisterCallbacks(struct PRMethodCallbackStr *); | |
| 86 | |
| 87 int PR_CALLBACK _PL_W16CallBackPuts( const char *outputString ); | |
| 88 size_t PR_CALLBACK _PL_W16CallBackStrftime( | |
| 89 char *s, | |
| 90 size_t len, | |
| 91 const char *fmt, | |
| 92 const struct tm *p ); | |
| 93 void * PR_CALLBACK _PL_W16CallBackMalloc( size_t size ); | |
| 94 void * PR_CALLBACK _PL_W16CallBackCalloc( size_t n, size_t size ); | |
| 95 void * PR_CALLBACK _PL_W16CallBackRealloc( | |
| 96 void *old_blk, | |
| 97 size_t size ); | |
| 98 void PR_CALLBACK _PL_W16CallBackFree( void *ptr ); | |
| 99 void * PR_CALLBACK _PL_W16CallBackGetenv( const char *name ); | |
| 100 int PR_CALLBACK _PL_W16CallBackPutenv( const char *assoc ); | |
| 101 | |
| 102 /* | |
| 103 ** Hackery! | |
| 104 ** | |
| 105 ** These functions are provided as static link points. | |
| 106 ** This is to satisfy the quick port of Gromit to NSPR 2.0 | |
| 107 ** ... Don't do this! ... alas, It may never go away. | |
| 108 ** | |
| 109 */ | |
| 110 NSPR_API(int) PR_MD_printf(const char *, ...); | |
| 111 NSPR_API(void) PR_MD_exit(int); | |
| 112 NSPR_API(size_t) PR_MD_strftime(char *, size_t, const char *, const struct tm *
); | |
| 113 NSPR_API(int) PR_MD_sscanf(const char *, const char *, ...); | |
| 114 NSPR_API(void*) PR_MD_malloc( size_t size ); | |
| 115 NSPR_API(void*) PR_MD_calloc( size_t n, size_t size ); | |
| 116 NSPR_API(void*) PR_MD_realloc( void* old_blk, size_t size ); | |
| 117 NSPR_API(void) PR_MD_free( void *ptr ); | |
| 118 NSPR_API(char*) PR_MD_getenv( const char *name ); | |
| 119 NSPR_API(int) PR_MD_putenv( const char *assoc ); | |
| 120 NSPR_API(int) PR_MD_fprintf(FILE *fPtr, const char *fmt, ...); | |
| 121 | |
| 122 #define PR_INIT_CALLBACKS() \ | |
| 123 { \ | |
| 124 static struct PRMethodCallbackStr cbf = { \ | |
| 125 _PL_W16CallBackPuts, \ | |
| 126 _PL_W16CallBackStrftime, \ | |
| 127 _PL_W16CallBackMalloc, \ | |
| 128 _PL_W16CallBackCalloc, \ | |
| 129 _PL_W16CallBackRealloc, \ | |
| 130 _PL_W16CallBackFree, \ | |
| 131 _PL_W16CallBackGetenv, \ | |
| 132 _PL_W16CallBackPutenv, \ | |
| 133 }; \ | |
| 134 PR_MDRegisterCallbacks( &cbf ); \ | |
| 135 } | |
| 136 | |
| 137 | |
| 138 /* | |
| 139 ** Get the exception context for Win16 MFC applications threads | |
| 140 */ | |
| 141 NSPR_API(void *) PR_W16GetExceptionContext(void); | |
| 142 /* | |
| 143 ** Set the exception context for Win16 MFC applications threads | |
| 144 */ | |
| 145 NSPR_API(void) PR_W16SetExceptionContext(void *context); | |
| 146 | |
| 147 PR_END_EXTERN_C | |
| 148 #else | |
| 149 /* | |
| 150 ** For platforms other than Win16, define | |
| 151 ** PR_STDIO_INIT() as a No-Op. | |
| 152 */ | |
| 153 #define PR_STDIO_INIT() | |
| 154 #endif /* WIN16 || MOZILLA_CLIENT */ | |
| 155 | |
| 156 #endif /* prwin16_h___ */ | |
| 157 | |
| 158 | |
| 159 | |
| 160 | |
| 161 | |
| 162 | |
| 163 | |
| 164 | |
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Chromium Code Reviews
Issue 2078763002:
Delete bundled copy of NSS and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/nss@master