Handle multiple double-quoted strings using Win32's system() call.

Document limitations.

Author: bmomjian

src/bin/initdb/initdb.c

@@ -39,7 +39,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  * Portions taken from FreeBSD.
  *
- * $PostgreSQL: pgsql/src/bin/initdb/initdb.c,v 1.35 2004/06/03 00:07:36 momjian Exp $
+ * $PostgreSQL: pgsql/src/bin/initdb/initdb.c,v 1.36 2004/06/10 16:35:16 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -812,12 +812,12 @@ test_connections(void)
 	for (i = 0; i < len; i++)
 	{
 		snprintf(cmd, sizeof(cmd),
-				 "\"%s\" -boot -x0 %s "
+				 "%s\"%s\" -boot -x0 %s "
 				 "-c shared_buffers=%d -c max_connections=%d template1 "
-				 "<%s >%s 2>&1",
-				 backend_exec, boot_options,
+				 "< \"%s\" > \"%s\" 2>&1%s",
+				 SYSTEMQUOTE, backend_exec, boot_options,
 				 conns[i] * 5, conns[i],
-				 DEVNULL, DEVNULL);
+				 DEVNULL, DEVNULL, SYSTEMQUOTE);
 		status = system(cmd);
 		if (status == 0)
 			break;
@@ -848,12 +848,12 @@ test_buffers(void)
 	for (i = 0; i < len; i++)
 	{
 		snprintf(cmd, sizeof(cmd),
-				 "\"%s\" -boot -x0 %s "
+				 "%s\"%s\" -boot -x0 %s "
 				 "-c shared_buffers=%d -c max_connections=%d template1 "
-				 "<%s >%s 2>&1",
-				 backend_exec, boot_options,
+				 "< \"%s\" > \"%s\" 2>&1%s",
+				 SYSTEMQUOTE, backend_exec, boot_options,
 				 bufs[i], n_connections,
-				 DEVNULL, DEVNULL);
+				 DEVNULL, DEVNULL, SYSTEMQUOTE);
 		status = system(cmd);
 		if (status == 0)
 			break;

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 1.8 2004/06/09 17:36:07 momjian Exp $
+ * $PostgreSQL: pgsql/src/bin/pg_ctl/pg_ctl.c,v 1.9 2004/06/10 16:35:17 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -224,11 +224,12 @@ start_postmaster(void)
 
 	/* Does '&' work on Win32? */
 	if (log_file != NULL)
-		snprintf(cmd, MAXPGPATH, "'%s' %s < %s >> '%s' 2>&1 &",
-				 postgres_path, post_opts, DEVNULL, log_file);
+		snprintf(cmd, MAXPGPATH, "%s\"%s\" %s < %s >> \"%s\" 2>&1 &%s",
+				 SYSTEMQUOTE, postgres_path, post_opts, DEVNULL, log_file,
+				 SYSTEMQUOTE);
 	else
-		snprintf(cmd, MAXPGPATH, "'%s' %s < %s 2>&1 &",
-				 postgres_path, post_opts, DEVNULL);
+		snprintf(cmd, MAXPGPATH, "%s\"%s\" %s < \"%s\" 2>&1 &%s",
+				 SYSTEMQUOTE, postgres_path, post_opts, DEVNULL, SYSTEMQUOTE);
 	return system(cmd);
 }
 

src/bin/pg_dump/pg_dumpall.c

@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
- * $PostgreSQL: pgsql/src/bin/pg_dump/pg_dumpall.c,v 1.40 2004/06/09 17:37:28 momjian Exp $
+ * $PostgreSQL: pgsql/src/bin/pg_dump/pg_dumpall.c,v 1.41 2004/06/10 16:35:17 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -690,7 +690,8 @@ runPgDump(const char *dbname)
 	const char *p;
 	int			ret;
 
-	appendPQExpBuffer(cmd, "'%s' %s -Fp '", pg_dump_bin, pgdumpopts->data);
+	appendPQExpBuffer(cmd, "%s\"%s\" %s -Fp '", SYSTEMQUOTE, pg_dump_bin,
+					  pgdumpopts->data);
 
 	/* Shell quoting is not quite like SQL quoting, so can't use fmtId */
 	for (p = dbname; *p; p++)
@@ -702,6 +703,7 @@ runPgDump(const char *dbname)
 	}
 
 	appendPQExpBufferChar(cmd, '\'');
+	appendStringLiteral(cmd, SYSTEMQUOTE, false);
 
 	if (verbose)
 		fprintf(stderr, _("%s: running \"%s\"\n"), progname, cmd->data);

src/include/port.h

@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $PostgreSQL: pgsql/src/include/port.h,v 1.40 2004/06/03 00:07:38 momjian Exp $
+ * $PostgreSQL: pgsql/src/include/port.h,v 1.41 2004/06/10 16:35:18 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -72,6 +72,18 @@ extern int find_other_exec(const char *argv0, const char *target,
 #define DEVNULL "/dev/null"
 #endif
 
+/*
+ *	Win32 needs double quotes at the beginning and end of system()
+ *	strings.  If not, it gets confused with multiple quoted strings.
+ *	It also must use double-quotes around the executable name
+ *	and any files use for redirection.  Other args can use single-quotes.
+ */
+#ifdef WIN32
+#define SYSTEMQUOTE "\""
+#else
+#define SYSTEMQUOTE ""
+#endif
+
 /* Portable delay handling */
 extern void pg_usleep(long microsec);