diff --git a/ChangeLog b/ChangeLog
index 8b0f1a4515..1eaefac212 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2003-06-18  Ulrich Drepper  <drepper@redhat.com>
+
+	* intl/localealias.c (read_alias_file): Determine whether line is
+	read incompletely early, before we modify the line.
+
 2003-06-17  Jakub Jelinek  <jakub@redhat.com>
 
 	* sysdeps/powerpc/powerpc64/dl-machine.h (elf_machine_rela)
diff --git a/intl/localealias.c b/intl/localealias.c
index 697ef8c43a..324f2fe662 100644
--- a/intl/localealias.c
+++ b/intl/localealias.c
@@ -1,5 +1,5 @@
 /* Handle aliases for locale names.
-   Copyright (C) 1995-1999, 2000,01,02 Free Software Foundation, Inc.
+   Copyright (C) 1995-2002, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -243,11 +243,15 @@ read_alias_file (fname, fname_len)
       char *alias;
       char *value;
       char *cp;
+      int complete_line;
 
       if (FGETS (buf, sizeof buf, fp) == NULL)
 	/* EOF reached.  */
 	break;
 
+      /* Determine whether the line is complete.  */
+      complete_line = strchr (buf, '\n') != NULL;
+
       cp = buf;
       /* Ignore leading white space.  */
       while (isspace ((unsigned char) cp[0]))
@@ -334,11 +338,13 @@ read_alias_file (fname, fname_len)
 
       /* Possibly not the whole line fits into the buffer.  Ignore
 	 the rest of the line.  */
-      while (strchr (buf, '\n') == NULL)
-	if (FGETS (buf, sizeof buf, fp) == NULL)
-	  /* Make sure the inner loop will be left.  The outer loop
-	     will exit at the `feof' test.  */
-	  break;
+      if (! complete_line)
+	do
+	  if (FGETS (buf, sizeof buf, fp) == NULL)
+	    /* Make sure the inner loop will be left.  The outer loop
+	       will exit at the `feof' test.  */
+	    break;
+	while (strchr (buf, '\n') == NULL)
     }
 
   /* Should we test for ferror()?  I think we have to silently ignore