Add double-inclusion guard.

diff --git a/ChangeLog b/ChangeLog
index b2798bf..d3d1b67 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -13,6 +13,10 @@
        * modules/linebreak (Depends-on): Add streq, uniwidth/width.
        * NEWS: Document the change.
 
+2007-09-01  Bruno Haible  <bruno@clisp.org>
+
+       * lib/streq.h: Add double-inclusion guard.
+
 2007-08-28  Jim Meyering  <jim@meyering.net>
 
        Rename mreadlink_with_size to areadlink_with_size.

diff --git a/lib/streq.h b/lib/streq.h
index 133a5d3..03ea1d1 100644 (file)
--- a/lib/streq.h
+++ b/lib/streq.h
@@ -18,6 +18,9 @@
 
 /* Written by Bruno Haible <bruno@clisp.org>.  */
 
+#ifndef _GL_STREQ_H
+#define _GL_STREQ_H
+
 #include <string.h>
 
 /* STREQ allows to optimize string comparison with a small literal string.
@@ -171,3 +174,5 @@ streq0 (const char *s1, const char *s2, char s20, char s21, char s22, char s23,
   (strcmp (s1, s2) == 0)
 
 #endif
+
+#endif /* _GL_STREQ_H */