X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=command.h;h=a0697abe6aba62ea0c617d61fcf6d1dcf0e6272e;hb=f73dda092b33638d2d5e9c35375f687a607b5403;hp=ad286c4d02e9411a81f1fdc2f7d9e087771827d0;hpb=28ef6c316f1aff914bb95ac09787a3c83c1815fd;p=platform%2Fupstream%2Fbash.git

diff --git a/command.h b/command.h
index ad286c4..a0697ab 100644
--- a/command.h
+++ b/command.h
@@ -95,14 +95,18 @@ typedef struct word_list {
 /*								    */
 /* **************************************************************** */
 
-/* What a redirection descriptor looks like.  If FLAGS is IS_DESCRIPTOR,
-   then we use REDIRECTEE.DEST, else we use the file specified. */
+/* What a redirection descriptor looks like.  If the redirection instruction
+   is ri_duplicating_input or ri_duplicating_output, use DEST, otherwise
+   use the file in FILENAME.  Out-of-range descriptors are identified by a
+   negative DEST. */
 
 typedef union {
-  long dest;			/* Place to redirect REDIRECTOR to, or ... */
+  int dest;			/* Place to redirect REDIRECTOR to, or ... */
   WORD_DESC *filename;		/* filename to redirect to. */
 } REDIRECTEE;
 
+/* Structure describing a redirection.  If REDIRECTOR is negative, the parser
+   (or translator in redir.c) encountered an out-of-range file descriptor. */
 typedef struct redirect {
   struct redirect *next;	/* Next element, or NULL. */
   int redirector;		/* Descriptor to be redirected. */
@@ -131,6 +135,7 @@ typedef struct element {
 #define CMD_TIME_POSIX	   0x100 /* time -p; use POSIX.2 time output spec. */
 #define CMD_AMPERSAND	   0x200 /* command & */
 #define CMD_STDIN_REDIR	   0x400 /* async command needs implicit </dev/null */
+#define CMD_COMMAND_BUILTIN 0x0800 /* command executed by `command' builtin */
 
 /* What a command looks like. */
 typedef struct command {