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authorZack Weinberg <zack@wolery.cumb.org>2000-03-09 17:49:26 +0000
committerZack Weinberg <zack@gcc.gnu.org>2000-03-09 17:49:26 +0000
commit8051b17802cf05b70177ae9a370940ba677f1add (patch)
treeedbb4bc15e1240f47d8004e4a9bdcb43c90f0acf
parent37c5269a9f449dcba7506876258aa75548c5766b (diff)
downloadgcc-8051b17802cf05b70177ae9a370940ba677f1add.tar.gz
cpphash.c (collect_formal_parameters): strncmp returns 0 for match.
* cpphash.c (collect_formal_parameters): strncmp returns 0 for match. (cpp_compare_defs): Count the nul separator when advancing over argument names. From-SVN: r32448
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/cpphash.c4
-rw-r--r--gcc/testsuite/gcc.dg/cpp-redef-2.c2
3 files changed, 9 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 824e4d4baa6..a362174c9e0 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
+
+ * cpphash.c (collect_formal_parameters): strncmp returns 0 for
+ match. (cpp_compare_defs): Count the nul separator when
+ advancing over argument names.
+
2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
* recog.c (preprocess_constraints): Matching constraints affect
diff --git a/gcc/cpphash.c b/gcc/cpphash.c
index fc4051b8d4c..51c5de01c99 100644
--- a/gcc/cpphash.c
+++ b/gcc/cpphash.c
@@ -588,7 +588,7 @@ collect_formal_parameters (pfile)
continue;
}
if (CPP_PEDANTIC (pfile) && CPP_OPTIONS (pfile)->c99
- && strncmp (tok, "__VA_ARGS__", sizeof "__VA_ARGS__" - 1))
+ && !strncmp (tok, "__VA_ARGS__", sizeof "__VA_ARGS__" - 1))
cpp_pedwarn (pfile,
"C99 does not permit use of `__VA_ARGS__' as a macro argument name");
namebuf = xrealloc (namebuf, argslen + len + 1);
@@ -1495,7 +1495,7 @@ _cpp_compare_defs (pfile, d1, d2)
int i = d1->nargs;
while (i--)
{
- len = strlen (arg1);
+ len = strlen (arg1) + 1;
if (strcmp (arg1, arg2))
return 1;
arg1 += len;
diff --git a/gcc/testsuite/gcc.dg/cpp-redef-2.c b/gcc/testsuite/gcc.dg/cpp-redef-2.c
index 8d34ddfa05d..d57f26acf41 100644
--- a/gcc/testsuite/gcc.dg/cpp-redef-2.c
+++ b/gcc/testsuite/gcc.dg/cpp-redef-2.c
@@ -1,7 +1,7 @@
/* Test for redefining macros with significant differences. */
/* { dg-do preprocess }
- { dg-options "-pedantic -Wall" } */
+ { dg-options "-ansi -pedantic -Wall" } */
#define mac(a, b) (a) + (b)
#define mac(a, b) (a) * (b)