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Peter
Joined: 30 Dec 2005
Posts: 279
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 Posted: Sun Jan 15, 2006 1:10 pm Post subject: DllCall and structure with strings |
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I want to use a dll for compressing files to zip format. I found zip32.dll here.
As far as I understand it, it seems to need a structure with strings (and others) for DllCall.
Is it possible to use this DLL with strings structure in AutoHotkey?
Thanks
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(From WinDll.txt included in the download:)
BOOL WINAPI ZpSetOptions(ZPOPT)
typedef struct {
LPSTR Date; /* Date to include after */
LPSTR szRootDir; /* Directory to use as base for zipping */
LPSTR szTempDir; /* Temporary directory used during zipping */
BOOL fTemp; /* Use temporary directory '-b' during zipping */
BOOL fSuffix; /* include suffixes (not implemented in WiZ) */
BOOL fEncrypt; /* encrypt files */
BOOL fSystem; /* include system and hidden files */
BOOL fVolume; /* Include volume label */
BOOL fExtra; /* Exclude extra attributes */
BOOL fNoDirEntries; /* Do not add directory entries */
BOOL fExcludeDate; /* Exclude files earlier than specified date */
BOOL fIncludeDate; /* Include only files earlier than specified date */
BOOL fVerbose; /* Mention oddities in zip file structure */
BOOL fQuiet; /* Quiet operation */
BOOL fCRLF_LF; /* Translate CR/LF to LF */
BOOL fLF_CRLF; /* Translate LF to CR/LF */
BOOL fJunkDir; /* Junk directory names */
BOOL fGrow; /* Allow appending to a zip file */
BOOL fForce; /* Make entries using DOS names (k for Katz) */
BOOL fMove; /* Delete files added or updated in zip file */
BOOL fDeleteEntries; /* Delete files from zip file */
BOOL fUpdate; /* Update zip file--overwrite only if newer */
BOOL fFreshen; /* Freshen zip file--overwrite only */
BOOL fJunkSFX; /* Junk SFX prefix */
BOOL fLatestTime; /* Set zip file time to time of latest file in it */
BOOL fComment; /* Put comment in zip file */
BOOL fOffsets; /* Update archive offsets for SFX files */
BOOL fPrivilege; /* Use privileges (WIN32 only) */
BOOL fEncryption; /* TRUE if encryption supported, else FALSE.
this is a read-only flag */
int fRecurse; /* Recurse into subdirectories. 1 => -r, 2 => -R */
int fRepair; /* Repair archive. 1 => -F, 2 => -FF */
char fLevel; /* Compression level (0 - 9) */
} ZPOPT, _far *LPZPOPT;
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shimanov
Joined: 25 Sep 2005
Posts: 612
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| Posted: Sun Jan 15, 2006 6:04 pm Post subject: Re: DllCall and structure with strings |
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| Peter wrote: | structure with strings... Is it possible to use this DLL with strings structure in AutoHotkey?
typedef struct {
LPSTR Date;
...
}
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Yes.
LPSTR is a null-terminated string, and is defined as a pointer to a character (uint1) array. For example:
| Code: |
VarSetCapacity( struct, struct_size, 0 )
date = Sunday, January 15, 2006
EncodeInteger( &date, 4, &struct, 0 )
etc.
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Peter
Joined: 30 Dec 2005
Posts: 279
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| Posted: Sun Jan 15, 2006 8:28 pm Post subject: |
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Thank you. 
I hope I can get it working now. |
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Venia Legendi
Joined: 27 May 2005
Posts: 38
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| Posted: Mon Oct 09, 2006 12:48 pm Post subject: |
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| Hi Peter, did you get it working? |
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Peter
Joined: 30 Dec 2005
Posts: 279
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| Posted: Wed Oct 11, 2006 8:13 am Post subject: |
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Regarding my question about ZpSetOptions, it seems to work so far, but not the zip function itselfs. Because, as far as I understand you have to be able to use Callback for the ZpArchive function of the dll. At that point I gave up. And AFAIK it's not possible in AHK.
So, maybe it's possible to use in AHK, but it goes beyond my knowledge. |
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majkinetor
Joined: 24 May 2006
Posts: 3644
Location: Belgrade
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| Posted: Wed Oct 11, 2006 8:25 am Post subject: |
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No it is not possible to use callbacks in AHK.
That is why I urge so hard for & extension to return function address.
Acctually it is possible to do so, but it requires nasty hack and good ASM knowledge. Chris rised priority to & wish so lets hope it will come soon.
Btw, peter, you might be able to find dll that will be able to compress without callback function. I am sure you ca.
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