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

testsuite:
	* gcc.dg/cpp/trad/escaped-nl.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@55135 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e61eb0e..73ecd9f 100644 (file)
--- 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 a72237b..4ae1e9c 100644 (file)
--- 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 0dcf1ca..fe805fa 100644 (file)
--- 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 (file)
index 0000000..be8cc53
--- /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