MISRA C:2012  Rule-17.2:  (Required)			Functions shall not call themselves, either directly or indirectly

Example Code:

#include "misra.h"
#include "m3cmex.h"

static void rule_1702a( int16_t x );
static void rule_1702b( int16_t x );
static void rule_1702c( int16_t x );
static void rule_1702d( int16_t x );
static void rule_1702e( int16_t x );

extern int16_t rule_1702( void )
{
   rule_1702a( 5 );
   rule_1702e( 5 );
   return 1;
}

static void rule_1702a( int16_t x )
{
   if ( x > 0 )
   {
      --x;
      rule_1702b( x );
   }
}

static void rule_1702b( int16_t x )
{
   if ( x > 0 )
   {
      --x;
      rule_1702c( x );
   }
}

static void rule_1702c( int16_t x )
{
   if ( x > 0 )
   {
      --x;
      rule_1702d( x );
   }
}

static void rule_1702d( int16_t x )
{
   if ( x > 0 )
   {
      --x;
      rule_1702a( x );
   }
}

static void rule_1702e( int16_t x )
{
   if ( x > 0 )
   {
      --x;
      rule_1702e( x );                          /* 3670 */
   }
}

QAC messages that encompass this guideline:

1520	Functions are indirectly recursive.
3670	Recursive call to function containing this call.

(c) The Motor Industry Research Association, 2012

QA C Source Code Analyser 8.1.2 MISRA C:2012 Compliance Module 1.0 © 2013 Programming Research www.programmingresearch.com

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