Fix 'pg_ctl reload' to properly preserve postmaster commend-line

arguments on restart.  Patch to releases 8.0 - 8.3.X.

src/backend/postmaster/postmaster.c

@@ -37,7 +37,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.475.2.9 2007/08/02 23:18:47 adunstan Exp $
+ *	  $PostgreSQL: pgsql/src/backend/postmaster/postmaster.c,v 1.475.2.10 2008/06/27 01:53:08 momjian Exp $
  *
  * NOTES
  *
@@ -3640,7 +3640,7 @@ CreateOptsFile(int argc, char *argv[], char *fullprogname)
 
 	fprintf(fp, "%s", fullprogname);
 	for (i = 1; i < argc; i++)
-		fprintf(fp, " %s%s%s", SYSTEMQUOTE, argv[i], SYSTEMQUOTE);
+		fprintf(fp, " \"%s\"", argv[i]);
 	fputs("\n", fp);
 
 	if (fclose(fp))

src/bin/pg_ctl/pg_ctl.c

@@ -4,7 +4,7 @@
  *
  * Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
  *
- * $PostgreSQL: pgsql/src/bin/pg_ctl/pg_ctl.c,v 1.61.2.4 2008/02/20 22:18:35 tgl Exp $
+ * $PostgreSQL: pgsql/src/bin/pg_ctl/pg_ctl.c,v 1.61.2.5 2008/06/27 01:53:09 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -537,15 +537,18 @@ do_start(void)
 			{
 				char	   *arg1;
 
-				arg1 = strchr(optline, *SYSTEMQUOTE);
-				if (arg1 == NULL || arg1 == optline)
-					post_opts = "";
-				else
+				/*
+				 * Are we at the first option, as defined by space and
+				 * double-quote?
+				 */
+				if ((arg1 = strstr(optline, " \"")) != NULL ||
+					/* check in case this is an older server */
+				    (arg1 = strstr(optline, " -")) != NULL)
 				{
-					*(arg1 - 1) = '\0'; /* this should be a space */
-					post_opts = arg1;
+					*arg1 = '\0';	/* terminate so we get only program name */
+					post_opts = arg1 + 1; /* point past whitespace */
 				}
-				if (postgres_path != NULL)
+				if (postgres_path == NULL)
 					postgres_path = optline;
 			}
 			else