inet_ntop: guard extra work by IF_LINT

[gnulib.git] / lib / inet_ntop.c

diff --git a/lib/inet_ntop.c b/lib/inet_ntop.c
index d7e6b23..527b8a8 100644 (file)
--- a/lib/inet_ntop.c
+++ b/lib/inet_ntop.c
@@ -38,6 +38,16 @@
 /* Specification.  */
 #include <arpa/inet.h>
 
+/* Use this to suppress gcc's "...may be used before initialized" warnings.
+   Beware: The Code argument must not contain commas.  */
+#ifndef IF_LINT
+# ifdef lint
+#  define IF_LINT(Code) Code
+# else
+#  define IF_LINT(Code) /* empty */
+# endif
+#endif
+
 #if HAVE_DECL_INET_NTOP
 
 # undef inet_ntop
@@ -166,8 +176,9 @@ inet_ntop6 (const unsigned char *src, char *dst, socklen_t size)
   for (i = 0; i < NS_IN6ADDRSZ; i += 2)
     words[i / 2] = (src[i] << 8) | src[i + 1];
   best.base = -1;
-  best.len = 0;
   cur.base = -1;
+  IF_LINT(best.len = 0);
+  IF_LINT(cur.len = 0);
   for (i = 0; i < (NS_IN6ADDRSZ / NS_INT16SZ); i++)
     {
       if (words[i] == 0)