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vsprintf: available in ccs?

 
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darkeagle



Joined: 18 Feb 2010
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vsprintf: available in ccs?
PostPosted: Fri May 07, 2010 7:10 am     Reply with quote
As the object, is the vsprintf available in ccs compiler?
Thanks
d
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Fri May 07, 2010 1:17 pm     Reply with quote
Not specifically. CCS has sprintf. In this link they say they support
variable argument lists, but I've never tried it, and don't know if it works.
http://www.ccsinfo.com/content.php?page=varpara
pippo1234



Joined: 07 May 2010
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PostPosted: Fri May 07, 2010 4:03 pm     Reply with quote
Tested the sprintf with variable parameters but it does not work.
I think is necessary to write a vsprinft from scratch.
Anyone know a workaround?
P
bkamen



Joined: 07 Jan 2004
Posts: 1619
Location: Central Illinois, USA

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PostPosted: Fri May 07, 2010 5:46 pm     Reply with quote
There's a typo in the sample at that link, but I got it to compile..

Just didn't run it.

-Ben
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allenhuffman



Joined: 17 Jun 2019
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PostPosted: Tue Oct 20, 2026 8:38 am     Reply with quote
I ran into a use for this today, and ended up here. Can confirm no vargs support in sprintf.

I have a bunch of places where I populate a buffer that will be returned in a "get debug data" message, and was hoping to make them more clever.

Code:
// Log what happened.
char buffer[80];

sprintf (buffer, "%d current %f > %u",
    index, current, currentLimit);

populateDebugDataBuffer (buffer, sizeof(buffer));


Ah well... what's a few more bytes between friends.
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Allen C. Huffman, Sub-Etha Software (est. 1990) http://www.subethasoftware.com
Embedded C, Arduino, MSP430, ESP8266/32, and PIC24 programmer.
http://www.whywouldyouwanttodothat.com ?

Using: 24FJ256GA106, 24EP256GP202, 24FJ64GA002 and 24FJ1024GA606.
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