]> cloudbase.mooo.com Git - z180-stamp.git/blobdiff - avr/command.c
Version 0.6.7.1
[z180-stamp.git] / avr / command.c
index 9af1c32073dc2f456cea28b95a630694033a1566..ed25dee4f82876ee61915eeb2f1b4f21cd335691 100644 (file)
@@ -1,33 +1,39 @@
+/*
+ * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
+ *
+ * (C) Copyright 2000-2009
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
 
 /*
  *  Command Processor Table
  */
 
 #include "common.h"
-
+#include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
-#include <stdlib.h>
-#include <stdio.h>
 
 #include "config.h"
-#include "debug.h"
+#include "print-utils.h"
 #include "con-utils.h"
+#ifdef CONFIG_AUTO_COMPLETE
 #include "env.h"
-#include "timer.h"
+#endif
+#include "debug.h"
 #include "command.h"
 
 
-static void print_blanks(int_fast8_t count)
-{
-       while(count--)
-               putchar(' ');
-}
-
-static void print_usage_line(const FLASH char *name, const FLASH char *usage)
+static void print_usage_line(const FLASH char *name, int width,
+                               const FLASH char *usage)
 {
+       width -= strlen_P(name);
+       if (width < 0)
+               width = 0;
        my_puts_P(name);
-       print_blanks(CONFIG_SYS_MAXARGS - strlen_P(name));
+       print_blanks(width);
        my_puts_P(PSTR(" - "));
        my_puts_P(usage);
        my_puts_P(PSTR("\n"));
@@ -37,7 +43,7 @@ int strcmp_PP(const FLASH char *s1, const FLASH char *s2)
 {
        unsigned char c1, c2;
 
-       while ((c1 = *(const FLASH unsigned char *)s1++) 
+       while ((c1 = *(const FLASH unsigned char *)s1++)
                        == (c2 = *(const FLASH unsigned char *)s2++))
                if (c1 == 0)
                        return 0;
@@ -45,9 +51,9 @@ int strcmp_PP(const FLASH char *s1, const FLASH char *s2)
        return c1 - c2;
 }
 
-int cmpstringp(const void *p1, const void *p2)
+int cmpstring_PP(const void *p1, const void *p2)
 {
-       return strcmp_PP((*(const FLASH cmd_tbl_t **) p1)->name, 
+       return strcmp_PP((*(const FLASH cmd_tbl_t **) p1)->name,
                         (*(const FLASH cmd_tbl_t **) p2)->name);
 }
 
@@ -67,11 +73,11 @@ int cmd_tbl_item_count(void)
  * for long help messages
  */
 
-int _do_help(cmd_tbl_t *cmd_start, int cmd_items, cmd_tbl_t * cmdtp,
+command_ret_t _do_help(cmd_tbl_t *cmd_start, int cmd_items, cmd_tbl_t * cmdtp,
                int flag, int argc, char * const argv[])
 {
-       uint_fast8_t i;
-       int rcode = 0;
+       uint_fast8_t i, max_len = 0;
+       command_ret_t rcode = CMD_RET_SUCCESS;
 
        (void) flag;
 
@@ -83,10 +89,13 @@ int _do_help(cmd_tbl_t *cmd_start, int cmd_items, cmd_tbl_t * cmdtp,
                cmdtp = cmd_start;
                for (i = 0; i < cmd_items; i++) {
                        cmd_array[i] = cmdtp++;
+                       uint_fast8_t l = strlen_P(cmd_array[i]->name);
+                       if (l > max_len)
+                               max_len = l;
                }
 
                /* Sort command list */
-               qsort(cmd_array, cmd_items, sizeof (cmd_tbl_t *), cmpstringp);
+               qsort(cmd_array, cmd_items, sizeof (cmd_tbl_t *), cmpstring_PP);
 
                /* print short help (usage) */
                for (i = 0; i < cmd_items; i++) {
@@ -94,29 +103,29 @@ int _do_help(cmd_tbl_t *cmd_start, int cmd_items, cmd_tbl_t * cmdtp,
 
                        /* allow user abort */
                        if (ctrlc ())
-                               return 1;
+                               return CMD_RET_FAILURE;
                        if (usage == NULL)
                                continue;
-#ifdef GCC_BUG_61443 
-                       print_usage_line(cmd_array[i]->name, usage);
+#ifdef GCC_BUG_61443
+                       print_usage_line(cmd_array[i]->name, max_len, usage);
 #else
-                       printf_P(PSTR("%-" stringify(CONFIG_SYS_MAXARGS) "S - %S\n"), 
+                       printf_P(PSTR("%-" stringify(8) /*FIXME*/ "S - %S\n"),
                                        cmd_array[i]->name, usage);
 #endif
                }
-               return 0;
+               return CMD_RET_SUCCESS;
        }
        /*
         * command help (long version)
         */
        for (i = 1; i < argc; ++i) {
                if ((cmdtp = find_cmd_tbl (argv[i], cmd_start, cmd_items )) != NULL) {
-                       rcode |= cmd_usage(cmdtp);
+                       cmd_usage(cmdtp);
                } else {
                        printf_P(PSTR("Unknown command '%s' - try 'help'"
                                " without arguments.\n\n"), argv[i]
                                );
-                       rcode = 1;
+                       rcode = CMD_RET_FAILURE;
                }
        }
        return rcode;
@@ -129,7 +138,7 @@ cmd_tbl_t *find_cmd_tbl (const char *cmd, cmd_tbl_t *table, int table_len)
 {
        cmd_tbl_t *cmdtp;
        cmd_tbl_t *cmdtp_temp = table;  /*Init value */
-       int len;
+       size_t len;
        uint_fast8_t n_found = 0;
 
        if (!cmd)
@@ -140,8 +149,8 @@ cmd_tbl_t *find_cmd_tbl (const char *cmd, cmd_tbl_t *table, int table_len)
        for (cmdtp = table;
             cmdtp != table + table_len;
             cmdtp++) {
-               if (strncmp_P (cmd, cmdtp->name, len) == 0) {
-                       if (len == strlen (cmdtp->name))
+               if (strncmp_P(cmd, cmdtp->name, len) == 0) {
+                       if (len == strlen_P(cmdtp->name))
                                return cmdtp;   /* full match */
 
                        cmdtp_temp = cmdtp;     /* abbreviated command ? */
@@ -162,13 +171,13 @@ cmd_tbl_t *find_cmd (const char *cmd)
 }
 
 
-int cmd_usage(const FLASH cmd_tbl_t *cmdtp)
+command_ret_t cmd_usage(const FLASH cmd_tbl_t *cmdtp)
 {
 //     printf("%s - %s\n\n", cmdtp->name, cmdtp->usage);
-       print_usage_line(cmdtp->name, cmdtp->usage);
+       print_usage_line(cmdtp->name, 0, cmdtp->usage);
 #if 0
        my_puts_P(cmdtp->name);
-       print_blanks(CONFIG_SYS_MAXARGS - strlen_P(cmdtp->name));
+       print_blanks(/*FIXME*/ 8 - strlen_P(cmdtp->name));
        my_puts_P(PSTR(" - "));
        my_puts_P(cmdtp->usage);
        my_puts_P(PSTR("\n\n"));
@@ -177,24 +186,24 @@ int cmd_usage(const FLASH cmd_tbl_t *cmdtp)
 //     printf("Usage:\n%s ", cmdtp->name);
        my_puts_P(PSTR("Usage:\n"));
        my_puts_P(cmdtp->name);
-       putchar(' ');
+       my_puts_P(PSTR(" "));
 
        if (!cmdtp->help) {
                my_puts_P(PSTR(" - No additional help available.\n"));
-               return 1;
+               return CMD_RET_FAILURE;
        }
 
        my_puts_P(cmdtp->help);
        my_puts_P(PSTR("\n"));
 #endif /* CONFIG_SYS_LONGHELP */
-       return 1;
+       return CMD_RET_FAILURE;
 }
 
 #ifdef CONFIG_AUTO_COMPLETE
 
 int var_complete(int argc, char * const argv[], char last_char, int maxv, char *cmdv[])
 {
-       static char tmp_buf[512];
+       static char tmp_buf[CONFIG_SYS_CBSIZE];
        int space;
 
        space = last_char == '\0' || isblank(last_char);
@@ -210,6 +219,8 @@ int var_complete(int argc, char * const argv[], char last_char, int maxv, char *
 
 /*************************************************************************************/
 
+/* TODO: cmdtp points to FLASH */
+
 static int complete_cmdv(int argc, char * const argv[], char last_char, int maxv, char *cmdv[])
 {
        cmd_tbl_t *cmdtp = cmd_tbl;
@@ -357,6 +368,7 @@ static int find_common_prefix(char * const argv[])
 
 static char tmp_buf[CONFIG_SYS_CBSIZE];        /* copy of console I/O buffer   */
 
+
 int cmd_auto_complete(const FLASH char *const prompt, char *buf, int *np, int *colp)
 {
        int n = *np, col = *colp;
@@ -459,31 +471,31 @@ int cmd_auto_complete(const FLASH char *const prompt, char *buf, int *np, int *c
  * @param argv         Arguments
  * @return 0 if command succeeded, else non-zero (CMD_RET_...)
  */
-static int cmd_call(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+command_ret_t cmd_call(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
-       int result;
+       command_ret_t result;
 
        result = (cmdtp->cmd)(cmdtp, flag, argc, argv);
-       if (result)
+       if (result != CMD_RET_SUCCESS)
                debug("Command failed, result=%d\n", result);
        return result;
 }
 
-enum command_ret_t cmd_process(int flag, int argc, char * const argv[],
+command_ret_t cmd_process(int flag, int argc, char * const argv[],
                               uint_fast8_t *repeatable)
 {
-       enum command_ret_t rc = CMD_RET_SUCCESS;
+       command_ret_t rc = CMD_RET_SUCCESS;
        cmd_tbl_t *cmdtp;
 
        /* Look up command in command table */
        cmdtp = find_cmd(argv[0]);
        if (cmdtp == NULL) {
                printf_P(PSTR("Unknown command '%s' - try 'help'\n"), argv[0]);
-               return 1;
+               return CMD_RET_FAILURE;
        }
        if (!cmdtp->cmd) {
                debug("### Command '%s' found, but ->cmd == NULL \n", argv[0]);
-               return 1;
+               return CMD_RET_FAILURE;
        }
 
        /* found - check max args */