QA·C Help - 1048

	1048	[C] Default argument values are missing for some parameters in this function declaration. This is not allowed.

Constraint violations

Default arguments are a C++ specific feature, which is provided as an extension to ISO:C Standard by some compilers.

QA·C will accept a constant expression or an object identifier as a default argument for a parameter, and use that argument whenever one is not provided explicitly in a function call.

Once a default argument is provided for a parameter, all subsequent parameters in a function declaration must also have default arguments. This message will be issued whenever a function declaration does not adhere to this constraint.

For example:


/* PRQA S 1-9999 ++ */
/* PRQA S 1046,1048 -- */

extern int f1 (int = 0, char);        /* Message 1046, 1048 */

extern int f2 (int a = 0, char b);    /* Message 1046, 1048 */

See also:

1046 [E] Function is being declared with default argument syntax. This is a language extension.

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