| [8] | 1 |
|
|---|
| 2 | /*
|
|---|
| 3 | *@@sourcefile resh.c:
|
|---|
| 4 | * resh.c contains Resource helper functions.
|
|---|
| 5 | *
|
|---|
| 6 | * Function prefixes:
|
|---|
| 7 | * -- resh* Resource helper functions
|
|---|
| 8 | *
|
|---|
| 9 | * These functions are forward-declared in resh.h, which
|
|---|
| 10 | * must be #include'd first.
|
|---|
| 11 | *
|
|---|
| 12 | *@@header "helpers\resh.h"
|
|---|
| 13 | *@@added V0.9.4 (2000-07-27) [umoeller]
|
|---|
| 14 | */
|
|---|
| 15 |
|
|---|
| 16 | /*
|
|---|
| 17 | * Copyright (C) 2000 Christoph Schulte Mnting.
|
|---|
| 18 | *
|
|---|
| 19 | * This program is free software; you can redistribute it and/or modify
|
|---|
| 20 | * it under the terms of the GNU General Public License as published by
|
|---|
| 21 | * the Free Software Foundation, in version 2 as it comes in the COPYING
|
|---|
| 22 | * file of this distribution.
|
|---|
| 23 | * This program is distributed in the hope that it will be useful,
|
|---|
| 24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|---|
| 26 | * GNU General Public License for more details.
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | // OS2 includes
|
|---|
| 30 |
|
|---|
| 31 | #define OS2EMX_PLAIN_CHAR
|
|---|
| 32 | // this is needed for "os2emx.h"; if this is defined,
|
|---|
| 33 | // emx will define PSZ as _signed_ char, otherwise
|
|---|
| 34 | // as unsigned char
|
|---|
| 35 |
|
|---|
| [14] | 36 | #define INCL_DOSMODULEMGR
|
|---|
| 37 | #define INCL_DOSRESOURCES
|
|---|
| [8] | 38 | #define INCL_DOSERRORS
|
|---|
| 39 | #include <os2.h>
|
|---|
| 40 |
|
|---|
| 41 | #include "setup.h" // code generation and debugging options
|
|---|
| 42 |
|
|---|
| 43 | #include "helpers\resh.h"
|
|---|
| 44 |
|
|---|
| 45 | /*
|
|---|
| 46 | *@@category: Helpers\Control program helpers\Resources
|
|---|
| 47 | */
|
|---|
| 48 |
|
|---|
| 49 | /*
|
|---|
| 50 | *@@ reshWriteResourceToFile:
|
|---|
| 51 | * get the indicated resource from the current module (usually the
|
|---|
| 52 | * executable) and write it to a file. If pulBytesWritten is not NULL,
|
|---|
| 53 | * the number of written bytes is stored to that location.
|
|---|
| 54 | *
|
|---|
| 55 | * Returns:
|
|---|
| 56 | * -- NO_ERROR: no error, resource successfully read and written.
|
|---|
| 57 | * -- ERROR_INVALID_DATA: no. of bytes written != no. of bytes in
|
|---|
| 58 | * resource. Shouldn't happen.
|
|---|
| 59 | *
|
|---|
| 60 | * plus the error codes from DosQueryResourceSize, DosOpen,
|
|---|
| 61 | * DosGetResource, DosWrite.
|
|---|
| 62 | *
|
|---|
| 63 | * <B>Warning:</B> If the given file exists, it will be
|
|---|
| 64 | * overwritten without asking for confirmation!
|
|---|
| 65 | *
|
|---|
| 66 | *@@added V0.9.4 [csm]
|
|---|
| 67 | *@@changed V0.9.4 (2000-07-24) [umoeller]: added hmod, changed return values
|
|---|
| 68 | */
|
|---|
| 69 |
|
|---|
| 70 | APIRET reshWriteResourceToFile(HMODULE hmod, // in: module handle or NULLHANDLE for current EXE
|
|---|
| 71 | ULONG ulTypeID, // in: type of the resource
|
|---|
| 72 | ULONG ulNameID, // in: ID of the resource
|
|---|
| 73 | const char *pcszFilename, // in: name of file to write to
|
|---|
| 74 | PULONG pulBytesWritten) // out: number of bytes written
|
|---|
| 75 | {
|
|---|
| 76 | ULONG arc = 0;
|
|---|
| 77 | ULONG ulResourceSize;
|
|---|
| 78 | ULONG ulBytesWritten = 0;
|
|---|
| 79 |
|
|---|
| 80 | arc = DosQueryResourceSize(hmod,
|
|---|
| 81 | ulTypeID,
|
|---|
| 82 | ulNameID,
|
|---|
| 83 | &ulResourceSize);
|
|---|
| 84 | if (arc == NO_ERROR)
|
|---|
| 85 | {
|
|---|
| 86 | PVOID pvResourceData;
|
|---|
| 87 |
|
|---|
| 88 | HFILE hFile;
|
|---|
| 89 | ULONG ulAction = 0;
|
|---|
| 90 |
|
|---|
| 91 | // Open file for writing, replace if exists
|
|---|
| 92 | arc = DosOpen((PSZ)pcszFilename,
|
|---|
| 93 | &hFile,
|
|---|
| 94 | &ulAction, // action taken
|
|---|
| 95 | ulResourceSize, // primary allocation size
|
|---|
| 96 | FILE_ARCHIVED | FILE_NORMAL, // file attribute
|
|---|
| 97 | OPEN_ACTION_CREATE_IF_NEW
|
|---|
| 98 | | OPEN_ACTION_REPLACE_IF_EXISTS, // open flags
|
|---|
| 99 | OPEN_FLAGS_NOINHERIT
|
|---|
| 100 | | OPEN_FLAGS_SEQUENTIAL // sequential, not random access
|
|---|
| 101 | | OPEN_SHARE_DENYREADWRITE // deny r/w share
|
|---|
| 102 | | OPEN_ACCESS_WRITEONLY, // write mode
|
|---|
| 103 | NULL); // no EAs
|
|---|
| 104 |
|
|---|
| 105 | // If successful: get resource, write it and close file
|
|---|
| 106 | if (arc == NO_ERROR)
|
|---|
| 107 | {
|
|---|
| 108 | arc = DosGetResource(hmod,
|
|---|
| 109 | ulTypeID,
|
|---|
| 110 | ulNameID,
|
|---|
| 111 | &pvResourceData);
|
|---|
| 112 | if (arc == NO_ERROR)
|
|---|
| 113 | {
|
|---|
| 114 | arc = DosWrite(hFile,
|
|---|
| 115 | pvResourceData,
|
|---|
| 116 | ulResourceSize,
|
|---|
| 117 | &ulBytesWritten);
|
|---|
| 118 | if (arc == NO_ERROR)
|
|---|
| 119 | if (ulResourceSize != ulBytesWritten)
|
|---|
| 120 | arc = ERROR_INVALID_DATA;
|
|---|
| 121 |
|
|---|
| 122 | DosFreeResource(pvResourceData);
|
|---|
| 123 | }
|
|---|
| 124 |
|
|---|
| 125 | DosClose(hFile);
|
|---|
| 126 | }
|
|---|
| 127 | }
|
|---|
| 128 |
|
|---|
| 129 | if (pulBytesWritten)
|
|---|
| 130 | *pulBytesWritten = ulBytesWritten;
|
|---|
| 131 |
|
|---|
| [167] | 132 | return arc;
|
|---|
| [8] | 133 | }
|
|---|
| 134 |
|
|---|
