Upgrade DLLs ONLY if the installed version is lower?

Snover · 5th May 2003, 21:25

I'm not sure how to work this, since there is no inequality stuff in NSIS that I know of. I can GET the DLL version sure and I can check if they are EQUAL but as far as I know there's no way of doing this. So, anyone?

Joost Verburg · 5th May 2003, 21:45

Use the UpgradeDLL macro. You can find this macro in the NSIS 2 documentation or in the archive: http://nsis.sourceforge.net/archive/....php?pageid=38

And about the inequality stuff: IntCmp can jump to different locations when the value is lower, equal or higher.

Sunjammer · 5th May 2003, 21:46

Well IntCmp won't jump anywhere in the case of <> so that's at least one way.

Snover · 5th May 2003, 22:09

Can I concatenate strings and then test?

Joost Verburg · 6th May 2003, 11:31

What do you mean? And why not use UpgradeDLL?

Snover · 6th May 2003, 18:16

Does UpdateDLL actually check versions before it upgrades? I was under the impression that it just automated the process of reboot-overwriting DLLs that couldn't be removed.

Joost Verburg · 6th May 2003, 21:24

UpgradeDLL first checks the version. It only updates if an older DLL is installed. It also handles registering, reboots, register-on-reboot etc.

5th May 2003, 21:25	#1
Snover Junior Member Join Date: Jul 2002 Posts: 30	Upgrade DLLs ONLY if the installed version is lower? I'm not sure how to work this, since there is no inequality stuff in NSIS that I know of. I can GET the DLL version sure and I can check if they are EQUAL but as far as I know there's no way of doing this. So, anyone?

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5th May 2003, 21:45	#2
Joost Verburg NSIS MUI Dev Join Date: Nov 2001 Posts: 3,717	Use the UpgradeDLL macro. You can find this macro in the NSIS 2 documentation or in the archive: http://nsis.sourceforge.net/archive/....php?pageid=38 And about the inequality stuff: IntCmp can jump to different locations when the value is lower, equal or higher.

5th May 2003, 21:46	#3
Sunjammer Major Dude Join Date: Jun 2002 Location: Swindon, UK Posts: 559	Well IntCmp won't jump anywhere in the case of <> so that's at least one way.

5th May 2003, 22:09	#4
Snover Junior Member Join Date: Jul 2002 Posts: 30	Can I concatenate strings and then test?

6th May 2003, 11:31	#5
Joost Verburg NSIS MUI Dev Join Date: Nov 2001 Posts: 3,717	What do you mean? And why not use UpgradeDLL?

6th May 2003, 18:16	#6
Snover Junior Member Join Date: Jul 2002 Posts: 30	Does UpdateDLL actually check versions before it upgrades? I was under the impression that it just automated the process of reboot-overwriting DLLs that couldn't be removed.

6th May 2003, 21:24	#7
Joost Verburg NSIS MUI Dev Join Date: Nov 2001 Posts: 3,717	UpgradeDLL first checks the version. It only updates if an older DLL is installed. It also handles registering, reboots, register-on-reboot etc.