2008-08-27 Joel Sherrill <joel.sherrill@OARcorp.com>

	* libmisc/Makefile.am, libmisc/shell/shell.c, libmisc/shell/shell.h:
	Split out rtems_shell_get_prompt() so it can be overridden by the
	user.
	* libmisc/shell/shell_getprompt.c: New file.

3 files changed, 68 insertions, 16 deletions

diff --git a/cpukit/libmisc/shell/shell.c b/cpukit/libmisc/shell/shell.c
index 02f6bfbd4d..f341764beb 100644
--- a/cpukit/libmisc/shell/shell.c
+++ b/cpukit/libmisc/shell/shell.c
@@ -652,22 +652,6 @@ rtems_task rtems_shell_task(rtems_task_argument task_argument)
   rtems_task_delete( RTEMS_SELF );
 }
 
-void rtems_shell_get_prompt(
-  rtems_shell_env_t *shell_env,
-  char              *prompt,
-  int                size)
-{
-  char curdir[256];
-  
-  /* XXX: show_prompt user adjustable */
-  getcwd(curdir,sizeof(curdir));
-  snprintf(prompt, size - 1, "%s%s[%s] %c ",
-          ((shell_env->taskname) ? shell_env->taskname : ""),
-          ((shell_env->taskname) ? " " : ""),
-          curdir,
-          geteuid()?'$':'#');
-}
-
 #define RTEMS_SHELL_MAXIMUM_ARGUMENTS (128)
 #define RTEMS_SHELL_CMD_SIZE          (128)
 #define RTEMS_SHELL_CMD_COUNT         (32)
diff --git a/cpukit/libmisc/shell/shell.h b/cpukit/libmisc/shell/shell.h
index 2d3da8312d..904d4e0bd9 100644
--- a/cpukit/libmisc/shell/shell.h
+++ b/cpukit/libmisc/shell/shell.h
@@ -225,6 +225,25 @@ struct rtems_shell_filesystems_tt {
   rtems_shell_filesystems_mounter_t  mounter;
 };
 
+/**
+ *  This method dynamically builds the command line prompt string
+ *  and places it in @a prompt.
+ *
+ *  @param[in] shell_env is the shell execution environment
+ *  @param[in] prompt is a pointer to a string buffer area
+ *  @param[in] size is length of the prompt buffer area
+ *
+ *  @return This method fills in the memory pointed to by @a prompt.
+ *
+ *  @note An application specific implementation can be provided
+ *        by the user.
+ */
+void rtems_shell_get_prompt(
+  rtems_shell_env_t *shell_env,
+  char              *prompt,
+  size_t             size
+);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/cpukit/libmisc/shell/shell_getprompt.c b/cpukit/libmisc/shell/shell_getprompt.c
new file mode 100644
index 0000000000..5a445a0168
--- /dev/null
+++ b/cpukit/libmisc/shell/shell_getprompt.c
@@ -0,0 +1,49 @@
+/*
+ *  Dynamically build the shell prompt 
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.com/license/LICENSE.
+ *
+ *  $Id$
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdio.h>
+#include <time.h>
+
+#include <rtems.h>
+#include <rtems/error.h>
+#include <rtems/libio.h>
+#include <rtems/libio_.h>
+#include <rtems/system.h>
+#include <rtems/shell.h>
+#include "internal.h"
+
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <errno.h>
+#include <pwd.h>
+
+void rtems_shell_get_prompt(
+  rtems_shell_env_t *shell_env,
+  char              *prompt,
+  size_t             size
+)
+{
+  char curdir[256];
+  
+  /* XXX: show_prompt user adjustable */
+  getcwd(curdir,sizeof(curdir));
+  snprintf(prompt, size - 1, "%s%s[%s] %c ",
+          ((shell_env->taskname) ? shell_env->taskname : ""),
+          ((shell_env->taskname) ? " " : ""),
+          curdir,
+          geteuid()?'$':'#');
+}