To get a trial key
fill out the form below
Team license
Enterprise license
** By clicking this button you agree to our Privacy Policy statement

Request our prices
New License
License Renewal
--Select currency--
USD
EUR
RUB
* By clicking this button you agree to our Privacy Policy statement

Free PVS-Studio license for Microsoft MVP specialists
** By clicking this button you agree to our Privacy Policy statement

To get the licence for your open-source project, please fill out this form
** By clicking this button you agree to our Privacy Policy statement

I am interested to try it on the platforms:
** By clicking this button you agree to our Privacy Policy statement

Message submitted.

Your message has been sent. We will email you at


If you haven't received our response, please do the following:
check your Spam/Junk folder and click the "Not Spam" button for our message.
This way, you won't miss messages from our team in the future.

>
>
>
V2556. MISRA. Use of a pointer to FILE …
Analyzer diagnostics
General Analysis (C++)
General Analysis (C#)
General Analysis (Java)
Diagnosis of micro-optimizations (C++)
Diagnosis of 64-bit errors (Viva64, C++)
Customer specific requests (C++)
MISRA errors
AUTOSAR errors
OWASP errors (C#)
Problems related to code analyzer
Additional information
Contents

V2556. MISRA. Use of a pointer to FILE when the associated stream has already been closed.

Sep 02 2019

This diagnostic rule is based on the software development guidelines developed by MISRA (Motor Industry Software Reliability Association).

This rule applies only to C.

Using a pointer to the standard type 'FILE' after the associated stream has been already closed may lead to errors because that object will be having an undefined state.

Example of non-compliant code:

FILE* f = fopen("/path/to/file.log", "w");
if (f == NULL) { .... }
fprintf(f, "....");

if (....) // something went wrong
{
  fclose(f);
  fprintf(f, "...."); // Print log information
                      // after stream has been released.
}

This diagnostic is classified as:

  • MISRA-C-22.6
Unicorn with delicious cookie
Our website uses cookies to enhance your browsing experience. Would you like to learn more?
Accept