Let's cast getpid() to an int instead of a long for snprintf().

clientserver.c

@@ -1121,7 +1121,7 @@ static void create_pid_file(void)
 		rsyserr(FLOG, errno, "failed to create pid file %s", pid_file);
 		exit_cleanup(RERR_FILEIO);
 	}
-	snprintf(pidbuf, sizeof pidbuf, "%ld\n", (long)pid);
+	snprintf(pidbuf, sizeof pidbuf, "%d\n", (int)pid);
 	len = strlen(pidbuf);
 	if (write(fd, pidbuf, len) != len)
 		goto failure;

generator.c

@@ -2124,7 +2124,7 @@ void generate_files(int f_out, const char *local_name)
 	implied_dirs_are_missing = relative_paths && !implied_dirs && protocol_version < 30;
 
 	if (DEBUG_GTE(GENR, 1))
-		rprintf(FINFO, "generator starting pid=%ld\n", (long)getpid());
+		rprintf(FINFO, "generator starting pid=%d\n", (int)getpid());
 
 	if (delete_before && !solo_file && cur_flist->used > 0)
 		do_delete_pass();

log.c

@@ -123,8 +123,7 @@ static void logit(int priority, const char *buf)
 	if (logfile_was_closed)
 		logfile_reopen();
 	if (logfile_fp) {
-		fprintf(logfile_fp, "%s [%d] %s",
-			timestring(time(NULL)), (int)getpid(), buf);
+		fprintf(logfile_fp, "%s [%d] %s", timestring(time(NULL)), (int)getpid(), buf);
 		fflush(logfile_fp);
 	} else {
 		syslog(priority, "%s", buf);
@@ -569,9 +568,8 @@ static void log_formatted(enum logcode code, const char *format, const char *op,
 			}
 			break;
 		case 'p':
-			strlcat(fmt, "ld", sizeof fmt);
-			snprintf(buf2, sizeof buf2, fmt,
-				 (long)getpid());
+			strlcat(fmt, "d", sizeof fmt);
+			snprintf(buf2, sizeof buf2, fmt, (int)getpid());
 			n = buf2;
 			break;
 		case 'M':

main.c

@@ -364,7 +364,7 @@ static void show_malloc_stats(void)
 
 	rprintf(FCLIENT, "\n");
 	rprintf(FINFO, RSYNC_NAME "[%d] (%s%s%s) heap statistics:\n",
-		getpid(), am_server ? "server " : "",
+		(int)getpid(), am_server ? "server " : "",
 		am_daemon ? "daemon " : "", who_am_i());
 	rprintf(FINFO, "  arena:     %10ld   (bytes from sbrk)\n",
 		(long)mi.arena);
@@ -774,10 +774,8 @@ static void do_server_sender(int f_in, int f_out, int argc, char *argv[])
 	struct file_list *flist;
 	char *dir = argv[0];
 
-	if (DEBUG_GTE(SEND, 1)) {
-		rprintf(FINFO, "server_sender starting pid=%ld\n",
-			(long)getpid());
-	}
+	if (DEBUG_GTE(SEND, 1))
+		rprintf(FINFO, "server_sender starting pid=%d\n", (int)getpid());
 
 	if (am_daemon && lp_write_only(module_id)) {
 		rprintf(FERROR, "ERROR: module is write only\n");
@@ -972,10 +970,8 @@ static void do_server_recv(int f_in, int f_out, int argc, char *argv[])
 	} else
 		negated_levels = 0;
 
-	if (DEBUG_GTE(RECV, 1)) {
-		rprintf(FINFO, "server_recv(%d) starting pid=%ld\n",
-			argc, (long)getpid());
-	}
+	if (DEBUG_GTE(RECV, 1))
+		rprintf(FINFO, "server_recv(%d) starting pid=%d\n", argc, (int)getpid());
 
 	if (am_daemon && read_only) {
 		rprintf(FERROR,"ERROR: module is read only\n");
@@ -1491,10 +1487,9 @@ const char *get_panic_action(void)
 static RETSIGTYPE rsync_panic_handler(UNUSED(int whatsig))
 {
 	char cmd_buf[300];
-	int ret;
+	int ret, pid_int = getpid();
 
-	snprintf(cmd_buf, sizeof cmd_buf, get_panic_action(),
-		 getpid(), getpid());
+	snprintf(cmd_buf, sizeof cmd_buf, get_panic_action(), pid_int, pid_int);
 
 	/* Unless we failed to execute gdb, we allow the process to
 	 * continue.  I'm not sure if that's right. */

testrun.c

@@ -46,9 +46,9 @@
 		if (slept++ > timeout_secs) {
 			fprintf(stderr, "TESTRUN TIMEOUT: test took over %d seconds.\n", timeout_secs);
 			if (kill(pid, SIGTERM) < 0)
-				fprintf(stderr, "TESTRUN ERROR: failed to kill pid %ld: %s\n", (long)pid, strerror(errno));
+				fprintf(stderr, "TESTRUN ERROR: failed to kill pid %d: %s\n", (int)pid, strerror(errno));
 			else
-				fprintf(stderr, "TESTRUN INFO: killed pid %ld\n", (long)pid);
+				fprintf(stderr, "TESTRUN INFO: killed pid %d\n", (int)pid);
 			exit(1);
 		}
 		sleep(1);

util.c

@@ -1358,11 +1358,13 @@ int cmp_time(time_t file1, time_t file2)
 int _Insure_trap_error(int a1, int a2, int a3, int a4, int a5, int a6)
 {
 	static int (*fn)();
-	int ret;
+	int ret, pid_int = getpid();
 	char *cmd;
 
-	asprintf(&cmd, "/usr/X11R6/bin/xterm -display :0 -T Panic -n Panic -e /bin/sh -c 'cat /tmp/ierrs.*.%d ; gdb /proc/%d/exe %d'",
-		getpid(), getpid(), getpid());
+	if (asprintf(&cmd,
+	    "/usr/X11R6/bin/xterm -display :0 -T Panic -n Panic -e /bin/sh -c 'cat /tmp/ierrs.*.%d ; "
+	    "gdb /proc/%d/exe %d'", pid_int, pid_int, pid_int) < 0)
+		return -1;
 
 	if (!fn) {
 		static void *h;