* diagnostic.c (init_output_buffer): Handle case of null PREFIX.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32112 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 1079577..7705aa9 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+Wed Feb 23 07:26:27 2000  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+       * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
+
 2000-02-23  Zack Weinberg  <zack@wolery.cumb.org>
 
        * config/i386/i386.h: If IN_TARGET_LIBS is defined, make

diff --git a/gcc/diagnostic.c b/gcc/diagnostic.c
index 9be1232..503bee9 100644 (file)
--- a/gcc/diagnostic.c
+++ b/gcc/diagnostic.c
@@ -152,7 +152,7 @@ init_output_buffer (buffer, prefix, max_length)
      char *prefix;
      int max_length;
 {
-  int prefix_length = strlen (prefix);
+  int prefix_length = prefix == 0 ? 0 : strlen (prefix);
 
   obstack_init (&buffer->obstack);
   buffer->prefix = prefix;