From: Paul Eggert <eggert@cs.ucla.edu>
Date: Sat, 26 Feb 2011 00:17:02 +0000 (-0800)
Subject: * emacsclient.c (IF_LINT): New macro.
X-Git-Tag: emacs-pretest-24.0.90~104^2~275^2~726^2~5
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=4be3dfc5e303160859a7666d725512691aedd837;p=emacs.git

* emacsclient.c (IF_LINT): New macro.

(set_local_socket, main): Use it to suppress warnings with
GCC -Wuninitialized.
---

diff --git a/lib-src/ChangeLog b/lib-src/ChangeLog
index 46e851faada..699eaf4cba9 100644
--- a/lib-src/ChangeLog
+++ b/lib-src/ChangeLog
@@ -6,6 +6,9 @@
 	(set_local_socket, main):
 	Use const char *, not char *, for pointers that are not assigned
 	through.
+	(IF_LINT): New macro.
+	(set_local_socket, main): Use it to suppress warnings with
+	GCC -Wuninitialized.
 
 	* emacsclient.c: Redo local variables to avoid shadowing problems.
 	(message, socket_status, start_daemon_and_retry_set_socket):
diff --git a/lib-src/emacsclient.c b/lib-src/emacsclient.c
index 9e59c2a4b58..251f35873e3 100644
--- a/lib-src/emacsclient.c
+++ b/lib-src/emacsclient.c
@@ -112,6 +112,13 @@ char *(getcwd) (char *, size_t);
 /* Additional space when allocating buffers for filenames, etc.  */
 #define EXTRA_SPACE 100
 
+/* 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
+
 
 /* Name used to invoke this program.  */
 const char *progname;
@@ -1191,7 +1198,7 @@ set_local_socket (void)
     int default_sock = !socket_name;
     int saved_errno = 0;
     const char *server_name = "server";
-    const char *tmpdir;
+    const char *tmpdir IF_LINT ( = NULL);
 
     if (socket_name && !strchr (socket_name, '/')
 	&& !strchr (socket_name, '\\'))
@@ -1493,7 +1500,9 @@ main (int argc, char **argv)
   int rl, needlf = 0;
   char *cwd, *str;
   char string[BUFSIZ+1];
-  int null_socket_name, null_server_file, start_daemon_if_needed;
+  int null_socket_name IF_LINT ( = 0);
+  int null_server_file IF_LINT ( = 0);
+  int start_daemon_if_needed;
   int exit_status = EXIT_SUCCESS;
 
   main_argv = argv;