More restructuring to use Win32 START with paths needing quotes.

Author: bmomjian

src/bin/pg_ctl/pg_ctl.c

@@ -4,7 +4,7 @@
  *
  * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
  *
- * $PostgreSQL: pgsql/src/bin/pg_ctl/pg_ctl.c,v 1.13 2004/06/10 22:20:53 momjian Exp $
+ * $PostgreSQL: pgsql/src/bin/pg_ctl/pg_ctl.c,v 1.14 2004/06/11 00:57:25 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -221,6 +221,41 @@ start_postmaster(void)
 	 * to pass everything to a shell to process them.
 	 */
 	char		cmd[MAXPGPATH];
+	int			ret;
+	char		*pgexec = postgres_path;
+	
+#ifdef WIN32
+	/*
+	 *	Win32 has a problem with the interaction between START and system().
+	 *	There is no way to quote the executable name passed to START.
+	 *	Therefore, we put the executable name in a temporary batch file
+	 *	and run it via START.
+	 */
+	char		tmp[MAXPGPATH] = "C:\\PG_CTL_XXXXXX", /* good location? */
+				bat[MAXPGPATH];
+	int			fd = mkstemp(tmp);
+
+	if (fd == -1)
+	{
+		fprintf(stderr, _("%s: cannot create batch file %s to start server: %s\n"),
+						progname, tmp, strerror(errno));
+		exit(1);
+	}
+	write(fd, postgres_path, strlen(postgres_path));
+	write(fd, "\n", 1);
+	close(fd);
+
+	strcpy(bat, tmp);
+	strcat(bat, ".BAT");
+	pgexec = bat;
+	if (rename(tmp, bat) == -1)
+	{
+		fprintf(stderr, _("%s: cannot rename batch file %s to %s: %s\n"),
+						progname, tmp, bat, strerror(errno));
+		unlink(tmp);
+		exit(1);
+	}
+#endif
 
 	if (log_file != NULL)
 		/* Win32 needs START /B rather than "&" */
@@ -229,16 +264,28 @@ start_postmaster(void)
 #else
 		snprintf(cmd, MAXPGPATH, "%sSTART /B \"%s\" %s < \"%s\" >> \"%s\" 2>&1%s",
 #endif
-				 SYSTEMQUOTE, postgres_path, post_opts, DEVNULL, log_file,
+				 SYSTEMQUOTE, pgexec, post_opts, DEVNULL, log_file,
 				 SYSTEMQUOTE);
 	else
 #ifndef WIN32
 		snprintf(cmd, MAXPGPATH, "%s\"%s\" %s < \"%s\" 2>&1 &%s",
 #else
 		snprintf(cmd, MAXPGPATH, "%sSTART /B \"%s\" %s < \"%s\" 2>&1%s",
 #endif
-				 SYSTEMQUOTE, postgres_path, post_opts, DEVNULL, SYSTEMQUOTE);
-	return system(cmd);
+				 SYSTEMQUOTE, pgexec, post_opts, DEVNULL, SYSTEMQUOTE);
+
+	ret = system(cmd);
+
+#ifdef WIN32
+	/* We are unlinking it while it is running, but that should be OK */
+	if (unlink(bat))
+	{
+		fprintf(stderr, _("%s: cannot remove batch file %s: %s\n"),
+						progname, bat, strerror(errno));
+		exit(1);
+	}
+#endif
+	return ret;
 }