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 4253eac2d4f54a0fffd1557dd1d4bac1130549fc..ad2a386c86586a62fc40bdcfaec530dd7576d107 100644 (file)
--- a/common/main.c
+++ b/common/main.c
@@ -59,7 +59,6 @@ extern int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
 
 #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 @@ static int cread_line(const char *const prompt, char *buf, unsigned int *len)
  */
 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 @@ int readline (const char *const prompt)
        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 @@ int readline (const char *const prompt)
                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 @@ int readline (const char *const prompt)
                                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 @@ int readline (const char *const prompt)
                                        /* 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

diff --git a/include/common.h b/include/common.h
index 493417f8776b3350a585479e98105e8cf1788634..3b5bd8c52dbd12c3ef502cca1120cfb92122e0c4 100644 (file)
--- a/include/common.h
+++ b/include/common.h
@@ -197,6 +197,8 @@ int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen);
 void   main_loop       (void);
 int    run_command     (const char *cmd, int flag);
 int    readline        (const char *const prompt);
+int    readline_into_buffer    (const char *const prompt, char * buffer);
+int    parse_line (char *, char *[]);
 void   init_cmd_timeout(void);
 void   reset_cmd_timeout(void);