Expose parse_line() globally.
Add new function readline_into_buffer() that allows the
output of readline to be put into a pointer to char buffer.
This refactoring allows other functions besides the
main command loop to also use the same input mechanism.
Signed-off-by: James Yang <James.Yang@freescale.com>
Acked-by: Jon Loeliger <jdl@freescale.com>
diff --git a/common/main.c b/common/main.c
index 4253eac..ad2a386 100644
--- a/common/main.c
+++ b/common/main.c
@@ -59,7 +59,6 @@
#define MAX_DELAY_STOP_STR 32
-static int parse_line (char *, char *[]);
#if defined(CONFIG_BOOTDELAY) && (CONFIG_BOOTDELAY >= 0)
static int abortboot(int);
#endif
@@ -918,8 +917,15 @@
*/
int readline (const char *const prompt)
{
+ return readline_into_buffer(prompt, console_buffer);
+}
+
+
+int readline_into_buffer (const char *const prompt, char * buffer)
+{
+ char *p = buffer;
+ char * p_buf = p;
#ifdef CONFIG_CMDLINE_EDITING
- char *p = console_buffer;
unsigned int len=MAX_CMDBUF_SIZE;
int rc;
static int initted = 0;
@@ -934,7 +940,6 @@
rc = cread_line(prompt, p, &len);
return rc < 0 ? rc : len;
#else
- char *p = console_buffer;
int n = 0; /* buffer index */
int plen = 0; /* prompt length */
int col; /* output column cnt */
@@ -972,13 +977,13 @@
case '\n':
*p = '\0';
puts ("\r\n");
- return (p - console_buffer);
+ return (p - p_buf);
case '\0': /* nul */
continue;
case 0x03: /* ^C - break */
- console_buffer[0] = '\0'; /* discard input */
+ p_buf[0] = '\0'; /* discard input */
return (-1);
case 0x15: /* ^U - erase line */
@@ -986,20 +991,20 @@
puts (erase_seq);
--col;
}
- p = console_buffer;
+ p = p_buf;
n = 0;
continue;
case 0x17: /* ^W - erase word */
- p=delete_char(console_buffer, p, &col, &n, plen);
+ p=delete_char(p_buf, p, &col, &n, plen);
while ((n > 0) && (*p != ' ')) {
- p=delete_char(console_buffer, p, &col, &n, plen);
+ p=delete_char(p_buf, p, &col, &n, plen);
}
continue;
case 0x08: /* ^H - backspace */
case 0x7F: /* DEL - backspace */
- p=delete_char(console_buffer, p, &col, &n, plen);
+ p=delete_char(p_buf, p, &col, &n, plen);
continue;
default:
@@ -1012,7 +1017,7 @@
/* if auto completion triggered just continue */
*p = '\0';
if (cmd_auto_complete(prompt, console_buffer, &n, &col)) {
- p = console_buffer + n; /* reset */
+ p = p_buf + n; /* reset */
continue;
}
#endif