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V1008. Consider inspecting the 'for' op…
Analyzer Diagnostics
General Analysis (C++)
General Analysis (C#)
General Analysis (Java)
Diagnosis of micro-optimizations (C++)
Diagnosis of 64-bit errors (Viva64, C++)
MISRA errors
AUTOSAR errors
Additional information
Contents

V1008. Consider inspecting the 'for' operator. No more than one iteration of the loop will be performed.

Jan 29 2018

The analyzer has detected a possible error that has to do with using suspicious initial and final values of the counter variable in a 'for' statement. This may break the logic of execution.

Consider the following example of suspicious code:

int c = 0;
if (some_condition)
{
  ....
  c = 1;
}
for (int i = 0; i < c; ++i) {
  ....
}

The loop will iterate either 0 or 1 time; therefore, it can be replaced with an 'if' statement.

int c = 0;
if (some_condition)
{
  ....
  c = 1;
}
if (c != 0)
{
  ....
}

There could also be a mistake in the expression evaluating the value of the variable that the loop counter is compared with. For example, the programmer could have actually meant the following:

int c = 0;
if (some_condition)
{
  ....
  c = 1 + n;
}

for (int i = 0; i < c; ++i)
{
  ....
}

This diagnostic is classified as:

You can look at examples of errors detected by the V1008 diagnostic.

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