Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / common / cmd_echo.c

diff --git a/qemu/roms/u-boot/common/cmd_echo.c b/qemu/roms/u-boot/common/cmd_echo.c
new file mode 100644 (file)
index 0000000..3dc3a63
--- /dev/null
+++ b/qemu/roms/u-boot/common/cmd_echo.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2000-2009
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+
+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];
+               char *nls; /* new-line suppression */
+
+               if (i > 1)
+                       putc(' ');
+
+               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);
+               }
+       }
+
+       if (putnl)
+               putc('\n');
+
+       return 0;
+}
+
+U_BOOT_CMD(
+       echo,   CONFIG_SYS_MAXARGS,     1,      do_echo,
+       "echo args to console",
+       "[args..]\n"
+       "    - echo args to console; \\c suppresses newline"
+);