[previous] 1294 [next] An integer constant of 'essentially signed' type is being converted to type _Bool on assignment.
Arithmetic type - Assignment

This message is issued whenever a constant of essentially signed type undergoes an assigning conversion to Boolean type.

For example: 


/*PRQA S 1-9999 ++*/
/*PRQA S 1294 --*/

void foo (_Bool b);

_Bool f1294 (void)
{
  _Bool boa = 0;            /* 1294 */

  foo (1L);                 /* 1294 */

  boa = 0LL;                /* 1294 */

  return 1;                 /* 1294 */
}

MISRA-C:2004 Rules applicable to message 1294:

Rule  10.1  (Required) The value of an expression of integer type shall not be implicitly converted to a different underlying type if: a) it is not a conversion to a wider integer type of the same signedness, or b) the expression is complex, or c) the expression is not constant and is a function argument, or d) the expression is not constant and is a return expression

QA·C Source Code Analyser 8.1
MISRA-C:2004 Compliance Module 3.2
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