HP C/iX Reference Manual (31506-90011)

112 Chapter7

Preprocessing Directives

Error Directive

Syntax

#error

[pp-tokens]

The #error directive causes a diagnostic message, along with any included token

arguments, to be produced by the compiler.

Examples

#ifndef (HP_C)

#error "HP_C not defined!" /* This directive will produce */

#endif /* diagnostic message "HP_C not */

/* defined!" */

#if TABLE_SIZE % 256 != 0

#error "TABLE_SIZE must be a multiple of 256!"

#endif /* This directive will produce */

/* the diagnostic message */

/* "TABLE_SIZE must be a */

/* multiple of 256!" */

NOTE

The #error directive is only supported in ANSI mode.