• Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 418
  • Last Modified:

How does sprintf work ?

sprintf(iso8601_buf,"%4.4d-%2.2d-%2.2d",usYear,usMon,usDay);

Open in new window


usYear, usMon, and usDay are unsigned short.

Please explain the second argument of above sprintf ( ) in detail.
0
naseeam
Asked:
naseeam
  • 2
1 Solution
 
jkrCommented:
The format is like

%[precision].[max_len]d

(you could also think of that as '%[min_len].[max_len]d') with the above formatting an output string according to the ISO 1806 format (YYYY-MM-DD) that you specified in your other Q, thus ensuring that the three values that form the date are arranged exactly as

[4 digits year]-[2 digits month]-[2 digits day]

with the hyphens in betwee.
0
 
jkrCommented:
Ooops, forgot - see also the detaild description at http://en.cppreference.com/w/c/io/fprintf
0
 
naseeamAuthor Commented:
extremely fast response time.  Thank you!
0
Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.

Join & Write a Comment

Featured Post

Cloud Class® Course: Amazon Web Services - Basic

Are you thinking about creating an Amazon Web Services account for your business? Not sure where to start? In this course you’ll get an overview of the history of AWS and take a tour of their user interface.

  • 2
Tackle projects and never again get stuck behind a technical roadblock.
Join Now