From: Olivier Matz <zer0@droids-corp.org>
Date: Fri, 24 Dec 2010 12:55:04 +0000 (+0100)
Subject: cmdline (merge-intel): add cmdline_quit()
X-Git-Url: http://git.droids-corp.org/?p=libcmdline.git;a=commitdiff_plain;h=c39d452741fe5b6c771bb655fa0c827a064f4460

cmdline (merge-intel): add cmdline_quit()

Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
---

diff --git a/src/lib/cmdline.c b/src/lib/cmdline.c
index 3e52be3..bafaace 100644
--- a/src/lib/cmdline.c
+++ b/src/lib/cmdline.c
@@ -184,10 +184,18 @@ cmdline_in(struct cmdline *cl, const char *buf, int size)
 		}
 		else if (ret == RDLINE_RES_EOF)
 			return -1;
+		else if (ret == RDLINE_RES_EXITED)
+			return -1;
 	}
 	return i;
 }
 
+void
+cmdline_quit(struct cmdline *cl)
+{
+	rdline_quit(&cl->rdl);
+}
+
 void
 cmdline_interact(struct cmdline *cl)
 {
diff --git a/src/lib/cmdline.h b/src/lib/cmdline.h
index c28cf8b..60a3bbb 100644
--- a/src/lib/cmdline.h
+++ b/src/lib/cmdline.h
@@ -82,5 +82,6 @@ void cmdline_printf(const struct cmdline *cl, const char *fmt, ...);
 int cmdline_in(struct cmdline *cl, const char *buf, int size);
 void cmdline_write_char(struct rdline *rdl, char c);
 void cmdline_interact(struct cmdline *cl);
+void cmdline_quit(struct cmdline *cl);
 
 #endif /* _CMDLINE_SOCKET_H_ */
diff --git a/src/lib/cmdline_rdline.c b/src/lib/cmdline_rdline.c
index 15f096d..d5eac3b 100644
--- a/src/lib/cmdline_rdline.c
+++ b/src/lib/cmdline_rdline.c
@@ -135,6 +135,12 @@ rdline_stop(struct rdline *rdl)
 	rdl->status = RDLINE_INIT;
 }
 
+void
+rdline_quit(struct rdline *rdl)
+{
+	rdl->status = RDLINE_EXITED;
+}
+
 void
 rdline_restart(struct rdline *rdl)
 {
@@ -198,6 +204,8 @@ rdline_char_in(struct rdline *rdl, char c)
 	char *buf;
 #endif
 
+	if (rdl->status == RDLINE_EXITED)
+		return RDLINE_RES_EXITED;
 	if (rdl->status != RDLINE_RUNNING)
 		return RDLINE_RES_NOT_RUNNING;
 
@@ -413,6 +421,9 @@ rdline_char_in(struct rdline *rdl, char c)
 
 			if (rdl->validate)
 				rdl->validate(rdl, rdl->left_buf, CIRBUF_GET_LEN(&rdl->left)+2);
+			/* user may have stopped rdline */
+			if (rdl->status == RDLINE_EXITED)
+				return RDLINE_RES_EXITED;
 			return RDLINE_RES_VALIDATED;
 
 #ifndef NO_RDLINE_HISTORY
diff --git a/src/lib/cmdline_rdline.h b/src/lib/cmdline_rdline.h
index 1118b29..a6b3275 100644
--- a/src/lib/cmdline_rdline.h
+++ b/src/lib/cmdline_rdline.h
@@ -97,7 +97,8 @@
 
 enum rdline_status {
 	RDLINE_INIT,
-	RDLINE_RUNNING
+	RDLINE_RUNNING,
+	RDLINE_EXITED
 };
 
 struct rdline;
@@ -174,7 +175,14 @@ void rdline_newline(struct rdline *rdl, const char *prompt);
 void rdline_stop(struct rdline *rdl);
 
 /**
- * Restart after a call to rdline_stop()
+ * Same than rdline_stop() except that next calls to rdline_char_in()
+ * will return RDLINE_RES_EXITED.
+ * \param rdl A pointer to a struct rdline
+ */
+void rdline_quit(struct rdline *rdl);
+
+/**
+ * Restart after a call to rdline_stop() or rdline_quit()
  * \param rdl A pointer to a struct rdline
  */
 void rdline_restart(struct rdline *rdl);
@@ -192,6 +200,7 @@ void rdline_redisplay(struct rdline *rdl);
 #define RDLINE_RES_COMPLETE      2
 #define RDLINE_RES_NOT_RUNNING  -1
 #define RDLINE_RES_EOF          -2
+#define RDLINE_RES_EXITED       -3
 
 /**
  * append a char to the readline buffer.