From: Neil Booth <neil@daikokuya.co.uk>
Date: Mon, 1 Jul 2002 12:51:10 +0000 (+0000)
Subject: cpptrad.c (skip_whitespace): Pass pointer to prior char.
X-Git-Tag: releases/gcc-3.3.0~4027
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e34cabb3b774a5e61ebbe07ab373597863415816;p=thirdparty%2Fgcc.git

cpptrad.c (skip_whitespace): Pass pointer to prior char.

	* cpptrad.c (skip_whitespace): Pass pointer to prior char.
testsuite:
	* gcc.dg/cpp/trad/escaped-nl.c: New test.

From-SVN: r55135
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e61eb0e786f2..73ecd9f0917a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2002-07-01  Neil Booth  <neil@daikokuya.co.uk>
+
+	* cpptrad.c (skip_whitespace): Pass pointer to prior char.
+
 2002-07-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* mips.h (FUNCTION_ARG_REGNO_P): Fix parentheses.
diff --git a/gcc/cpptrad.c b/gcc/cpptrad.c
index a72237b87b86..4ae1e9c7cb04 100644
--- a/gcc/cpptrad.c
+++ b/gcc/cpptrad.c
@@ -284,7 +284,7 @@ skip_whitespace (pfile, cur, skip_comments)
       out--;
       if (c == '\\' && is_vspace (*cur))
 	{
-	  cur = skip_escaped_newlines (pfile, cur);
+	  cur = skip_escaped_newlines (pfile, cur - 1);
 	  continue;
 	}
 
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 0dcf1ca48533..fe805fa054de 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2002-07-01  Neil Booth  <neil@daikokuya.co.uk>
+
+	* gcc.dg/cpp/trad/escaped-nl.c: New test.
+
 2002-06-30  Devang Patel  <dpatel@apple.com>
 
 	* objc.dg/fsyntax-only.m: New test.
diff --git a/gcc/testsuite/gcc.dg/cpp/trad/escaped-nl.c b/gcc/testsuite/gcc.dg/cpp/trad/escaped-nl.c
new file mode 100644
index 000000000000..be8cc53fe65e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cpp/trad/escaped-nl.c
@@ -0,0 +1,10 @@
+/* Test escaped newlines at start of macro definition are properly
+   skipped (buglet in skip_whitespace () in cpptrad.c).  */
+
+/* { dg-do preprocess } */
+
+#define NUM \
+100
+#if NUM != 100
+# error NUM not defined properly /* { dg-bogus "error" } */
+#endif