Fix more problems found by GCC 4.6.0's static checks.

3 files changed, 18 insertions, 1 deletions

diff --git a/lib-src/ChangeLog b/lib-src/ChangeLog
index 5007995e14e..eed9dc916b9 100644
--- a/lib-src/ChangeLog
+++ b/lib-src/ChangeLog
@@ -1,3 +1,12 @@
+2011-04-06  Paul Eggert  <eggert@cs.ucla.edu>
+
+	Fix more problems found by GCC 4.6.0's static checks.
+
+	* emacsclient.c (message): Mark it as a printf-like function.
+
+	* make-docfile.c (IF_LINT): New macro, copied from emacsclient.c.
+	(write_c_args): Use it to suppress GCC warning.
+
 2011-03-30  Paul Eggert  <eggert@cs.ucla.edu>
 
 	Fix a problem found by GCC 4.6.0's static checks.
diff --git a/lib-src/emacsclient.c b/lib-src/emacsclient.c
index 737a8d88586..c5231fb9989 100644
--- a/lib-src/emacsclient.c
+++ b/lib-src/emacsclient.c
@@ -487,6 +487,7 @@ ttyname (int fd)
 
 /* Display a normal or error message.
    On Windows, use a message box if compiled as a Windows app.  */
+static void message (int, const char *, ...) ATTRIBUTE_FORMAT_PRINTF (2, 3);
 static void
 message (int is_error, const char *format, ...)
 {
diff --git a/lib-src/make-docfile.c b/lib-src/make-docfile.c
index f900ea42e91..9b804684a12 100644
--- a/lib-src/make-docfile.c
+++ b/lib-src/make-docfile.c
@@ -66,6 +66,13 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #define IS_DIRECTORY_SEP(_c_) ((_c_) == DIRECTORY_SEP)
 #endif
 
+/* Use this to suppress gcc's `...may be used before initialized' warnings. */
+#ifdef lint
+# define IF_LINT(Code) Code
+#else
+# define IF_LINT(Code) /* empty */
+#endif
+
 static int scan_file (char *filename);
 static int scan_lisp_file (const char *filename, const char *mode);
 static int scan_c_file (char *filename, const char *mode);
@@ -481,7 +488,7 @@ write_c_args (FILE *out, char *func, char *buf, int minargs, int maxargs)
 {
   register char *p;
   int in_ident = 0;
-  char *ident_start;
+  char *ident_start IF_LINT (= NULL);
   size_t ident_length = 0;
 
   fprintf (out, "(fn");