/* Copyright (C) 2001 Free Software Foundation, Inc. */ /* { dg-do compile } */ /* { dg-options "-Wtraditional -std=c89" } */ /* This tests various diagnostics with -Wtraditioanl about escape sequences, for both the preprocessor and the compiler. Neil Booth, 22 May 2001. */ #if '\a' /* { dg-warning "traditional" "traditional bell" } */ #endif #if '\x1a' != 26 /* { dg-warning "traditional" "traditional hex" } */ #error bad hex /* { dg-bogus "bad" "bad hexadecimal evaluation" } */ #endif #if L'\u00a1' /* { dg-warning "only valid" "\u is unknown in C89" } */ #endif void foo () { int c = '\a'; /* { dg-warning "traditional" "traditional bell" } */ c = '\xa1'; /* { dg-warning "traditional" "traditional hex" } */ c = L'\u00a1'; /* { dg-warning "only valid" "\u is unknown in C89" } */ }