cros_ec: Move EC interface into common library

[karo-tx-uboot.git] / common / cmd_echo.c

diff --git a/common/cmd_echo.c b/common/cmd_echo.c
index 3ec4d4856321b7c0d992759c4c21433c8520654d..3dc3a63f6aa71a48c04156eabd86726820bcaa3f 100644 (file)
--- a/common/cmd_echo.c
+++ b/common/cmd_echo.c
@@ -2,45 +2,43 @@
  * Copyright 2000-2009
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
 #include <command.h>
 
-int do_echo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+static int do_echo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
        int i;
        int putnl = 1;
 
        for (i = 1; i < argc; i++) {
-               char *p = argv[i], c;
+               char *p = argv[i];
+               char *nls; /* new-line suppression */
 
                if (i > 1)
                        putc(' ');
-               while ((c = *p++) != '\0') {
-                       if (c == '\\' && *p == 'c') {
-                               putnl = 0;
-                               p++;
-                       } else {
-                               putc(c);
+
+               nls = strstr(p, "\\c");
+               if (nls) {
+                       char *prenls = p;
+
+                       putnl = 0;
+                       /*
+                        * be paranoid and guess that someone might
+                        * say \c more than once
+                        */
+                       while (nls) {
+                               *nls = '\0';
+                               puts(prenls);
+                               *nls = '\\';
+                               prenls = nls + 2;
+                               nls = strstr(prenls, "\\c");
                        }
+                       puts(prenls);
+               } else {
+                       puts(p);
                }
        }