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ruby-changes:9998

From: yugui <ko1@a...>
Date: Fri, 16 Jan 2009 00:36:29 +0900 (JST)
Subject: [ruby-changes:9998] Ruby:r21540 (ruby_1_9_1): merges r21473 from trunk into ruby_1_9_1.

yugui	2009-01-16 00:36:05 +0900 (Fri, 16 Jan 2009)

  New Revision: 21540

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=21540

  Log:
    merges r21473 from trunk into ruby_1_9_1.
    * win32/win32.c (internal_cmd_match): extracted from
      is_internal_cmd.
    * win32/win32.c (argv_size, join_argv): escapes redirection, pipe
      and carret punctuations with carrets.
    
    * win32/win32.c (rb_w32_aspawn): ditto, and redirections and pipe
      have no meanings.

  Modified files:
    branches/ruby_1_9_1/ChangeLog
    branches/ruby_1_9_1/include/ruby/win32.h
    branches/ruby_1_9_1/win32/win32.c

Index: ruby_1_9_1/include/ruby/win32.h
===================================================================
--- ruby_1_9_1/include/ruby/win32.h	(revision 21539)
+++ ruby_1_9_1/include/ruby/win32.h	(revision 21540)
@@ -247,8 +247,6 @@
 extern int link(const char *, const char *);
 extern int gettimeofday(struct timeval *, struct timezone *);
 extern rb_pid_t waitpid (rb_pid_t, int *, int);
-extern int rb_w32_argv_size(char *const *);
-extern char *rb_w32_join_argv(char *, char *const *);
 extern rb_pid_t rb_w32_spawn(int, const char *, const char*);
 extern rb_pid_t rb_w32_aspawn(int, const char *, char *const *);
 extern int kill(int, int);
Index: ruby_1_9_1/ChangeLog
===================================================================
--- ruby_1_9_1/ChangeLog	(revision 21539)
+++ ruby_1_9_1/ChangeLog	(revision 21540)
@@ -1,3 +1,14 @@
+Tue Jan 13 02:21:43 2009  Nobuyoshi Nakada  <nobu@r...>
+
+	* win32/win32.c (internal_cmd_match): extracted from
+	  is_internal_cmd.
+
+	* win32/win32.c (argv_size, join_argv): escapes redirection, pipe
+	  and carret punctuations with carrets.
+
+	* win32/win32.c (rb_w32_aspawn): ditto, and redirections and pipe
+	  have no meanings.
+
 Tue Jan 13 02:07:38 2009  Hidetoshi NAGAI  <nagai@a...>
 
 	* ext/tk/lib/tk.rb: use Encoding.find("locale") instaed of
Index: ruby_1_9_1/win32/win32.c
===================================================================
--- ruby_1_9_1/win32/win32.c	(revision 21539)
+++ ruby_1_9_1/win32/win32.c	(revision 21540)
@@ -668,10 +668,12 @@
     return 0;
 }
 
+static int internal_cmd_match(const char *cmdname, int nt);
+
 static int
 is_internal_cmd(const char *cmd, int nt)
 {
-    char cmdname[9], *b = cmdname, c, **nm;
+    char cmdname[9], *b = cmdname, c;
 
     do {
 	if (!(c = *cmd++)) return 0;
@@ -691,6 +693,14 @@
 	return 0;
     }
     *b = 0;
+    return internal_cmd_match(cmdname, nt);
+}
+
+static int
+internal_cmd_match(const char *cmdname, int nt)
+{
+    char **nm;
+
     nm = bsearch(cmdname, szInternalCmds,
 		 sizeof(szInternalCmds) / sizeof(*szInternalCmds),
 		 sizeof(*szInternalCmds),
@@ -706,8 +716,8 @@
     return _get_osfhandle(fh);
 }
 
-int
-rb_w32_argv_size(char *const *argv)
+static int
+argv_size(char *const *argv, BOOL escape)
 {
     const char *p;
     char *const *t;
@@ -719,6 +729,10 @@
 	      case '\\':
 		++bs;
 		break;
+	      case '<': case '>': case '|': case '^':
+		bs = 0;
+		if (escape && !quote) n++;
+		break;
 	      case '"':
 		n += bs + 1; bs = 0;
 		quote = 1;
@@ -737,8 +751,8 @@
     return len;
 }
 
-char *
-rb_w32_join_argv(char *cmd, char *const *argv)
+static char *
+join_argv(char *cmd, char *const *argv, BOOL escape)
 {
     const char *p, *s;
     char *q, *const *t;
@@ -760,6 +774,12 @@
 		memcpy(q, s, n = p - s); q += n; s = p;
 		memset(q, '\\', ++bs); q += bs; bs = 0;
 		break;
+	      case '<': case '>': case '|': case '^':
+		if (escape && !quote) {
+		    memcpy(q, s, n = p - s); q += n; s = p;
+		    *q++ = '^';
+		    break;
+		}
 	      default:
 		bs = 0;
 		p = CharNext(p) - 1;
@@ -990,7 +1010,8 @@
 rb_pid_t
 rb_w32_aspawn(int mode, const char *prog, char *const *argv)
 {
-    int len, differ = 0, c_switch =0;
+    int len, differ = 0, c_switch = 0;
+    BOOL ntcmd = FALSE;
     const char *shell;
     char *cmd, fbuf[MAXPATHLEN];
 
@@ -998,8 +1019,7 @@
 
     if (!prog) prog = argv[0];
     if ((shell = getenv("COMSPEC")) &&
-	(has_redirection(prog) ||
-	 is_internal_cmd(prog, !is_command_com(shell)))) {
+	internal_cmd_match(prog, ntcmd = !is_command_com(shell))) {
 	prog = shell;
 	c_switch = 1;
 	differ = 1;
@@ -1022,18 +1042,18 @@
 	char *progs[2];
 	progs[0] = (char *)prog;
 	progs[1] = NULL;
-	len = rb_w32_argv_size(progs);
+	len = argv_size(progs, ntcmd);
 	if (c_switch) len += 3;
-	if (argv[0]) len += rb_w32_argv_size(argv);
+	if (argv[0]) len += argv_size(argv, ntcmd);
 	cmd = ALLOCA_N(char, len);
-	rb_w32_join_argv(cmd, progs);
+	join_argv(cmd, progs, ntcmd);
 	if (c_switch) strlcat(cmd, " /c", len);
-	if (argv[0]) rb_w32_join_argv(cmd + strlcat(cmd, " ", len), argv);
+	if (argv[0]) join_argv(cmd + strlcat(cmd, " ", len), argv, ntcmd);
     }
     else {
-	len = rb_w32_argv_size(argv);
+	len = argv_size(argv, FALSE);
 	cmd = ALLOCA_N(char, len);
-	rb_w32_join_argv(cmd, argv);
+	join_argv(cmd, argv, FALSE);
     }
     return child_result(CreateChild(cmd, prog, NULL, NULL, NULL, NULL), mode);
 }

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