maint: remove doubled words in comments, e.g., s/a a/a/

[gnulib.git] / lib / strerror_r.c

diff --git a/lib/strerror_r.c b/lib/strerror_r.c
index 57a7e8f..1fa52d9 100644 (file)
--- a/lib/strerror_r.c
+++ b/lib/strerror_r.c
@@ -27,7 +27,7 @@
 #if HAVE_DECL_STRERROR_R && !(__GLIBC__ >= 2 || defined __UCLIBC__) && !EXTEND_STRERROR_R
 
 /* The system's strerror_r function is OK, except that its third argument
-   is 'int', not 'size_t'.  */
+   is 'int', not 'size_t', or its return type is wrong.  */
 
 # include <limits.h>
 
@@ -61,6 +61,11 @@ strerror_r (int errnum, char *buf, size_t buflen)
     else
       ret = strerror_r (errnum, buf, buflen);
   }
+# elif defined __CYGWIN__
+  /* Cygwin only provides the glibc interface, is thread-safe, and
+     always succeeds (although it may truncate). */
+  strerror_r (errnum, buf, buflen);
+  ret = 0;
 # else
   ret = strerror_r (errnum, buf, buflen);
 # endif