[weston] weston-terminal: Add a few nice features

[ahmet acar]

Hi.This trivial patch adds 'cwd' (current working directory)
and 'command' (run specified command immediatelly after open)
features to weston-terminal.So this adds more use cases
and flexibility to our terminal.
Changes from:

commit 90e2d07ec1e6e46136e7b43f427a838f3e5b01ed
Author: Bryce Harrington <bryce at osg.samsung.com>
Date:   Thu Sep 17 16:33:48 2015 -0700

---
 clients/terminal.c | 30 +++++++++++++++++++++++++++---
 1 file changed, 27 insertions(+), 3 deletions(-)

diff --git a/clients/terminal.c b/clients/terminal.c
index c5d5d60..f4e70e8 100644
--- a/clients/terminal.c
+++ b/clients/terminal.c
@@ -52,6 +52,8 @@ static char *option_font;
 static int option_font_size;
 static char *option_term;
 static char *option_shell;
+static char *option_cwd;
+static char *option_command = "";
 
 static struct wl_list terminal_list;
 
@@ -3046,6 +3048,19 @@ terminal_run(struct terminal *terminal, const char *path)
 		window_set_fullscreen(terminal->window, 1);
 	else
 		terminal_resize(terminal, 80, 24);
+		
+	int cmdlen = strlen(option_command);
+	
+	if(cmdlen)
+	{
+	    char *newline = "\n";	
+	    strcat(option_command,newline);
+	    
+	    if(write(master, option_command, cmdlen+1) == -1)
+	    {
+	        printf("An error occurred in %s at line %d\n", __FILE__, __LINE__);
+	    }
+	}
 
 	return 0;
 }
@@ -3055,6 +3070,9 @@ static const struct weston_option terminal_options[] = {
 	{ WESTON_OPTION_STRING, "font", 0, &option_font },
 	{ WESTON_OPTION_INTEGER, "font-size", 0, &option_font_size },
 	{ WESTON_OPTION_STRING, "shell", 0, &option_shell },
+     { WESTON_OPTION_STRING, "cwd", 0, &option_cwd },
+     { WESTON_OPTION_STRING, "command", 0, &option_command },
+
 };
 
 int main(int argc, char *argv[])
@@ -3087,7 +3105,9 @@ int main(int argc, char *argv[])
 		       "  --fullscreen or -f\n"
 		       "  --font=NAME\n"
 		       "  --font-size=SIZE\n"
-		       "  --shell=NAME\n", argv[0]);
+		       "  --shell=NAME\n"
+		       "  --cwd=PATH\n"
+                    "  --command=CMDLINE\n", argv[0]);
 		return 1;
 	}
 
@@ -3099,10 +3119,14 @@ int main(int argc, char *argv[])
 
 	wl_list_init(&terminal_list);
 	terminal = terminal_create(d);
-	if (terminal_run(terminal, option_shell))
-		exit(EXIT_FAILURE);
 
+	if(chdir(option_cwd)){} //just for to suppress 'ignored return value' warning for happy gcc.	
+
+	if (terminal_run(terminal, option_shell))
+		exit(EXIT_FAILURE);	
+	
 	display_run(d);
 
 	return 0;
 }