From f76ca346168afe6cf68127934765a61bd477380e Mon Sep 17 00:00:00 2001
From: Leo C
Date: Sun, 31 Aug 2014 22:37:26 +0200
Subject: $() expansion deleted (only ${}). setenv_ulong(), setenv_hex()

---
 avr/env.c | 103 ++++++++++++++++++++++++++++++++++----------------------------
 1 file changed, 56 insertions(+), 47 deletions(-)

(limited to 'avr/env.c')

diff --git a/avr/env.c b/avr/env.c
index 602d845..5d1c5c0 100644
--- a/avr/env.c
+++ b/avr/env.c
@@ -1,7 +1,6 @@
 #include "common.h"
 #include <string.h>
 #include <stdlib.h>
-
 #include <avr/eeprom.h>
 
 #include "config.h"
@@ -28,7 +27,7 @@
 
 const FLASH char default_env[] = {
 	"bootdelay="	"3"		DELIM
-	"bootcmd="	"reset; loadf; go $(startaddr)"	DELIM
+	"bootcmd="	"reset; loadf; go ${startaddr}"	DELIM
 	"baudrate="	"115200"	DELIM
 	"startaddr="	"0"		DELIM
 	DELIM
@@ -423,35 +422,6 @@ int env_print(const MEMX char *name)
 }
 
 
-command_ret_t do_env_print(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
-{
-	command_ret_t rc = CMD_RET_SUCCESS;
-
-	(void) cmdtp; (void) flag;
-
-	if (argc == 1) {
-		/* print all env vars */
-		int size = env_print(NULL);
-		if (size < 0)
-			return CMD_RET_FAILURE;
-		printf_P(PSTR("\nEnvironment size: %d/%d bytes\n"),
-			size, ENV_SIZE);
-		return CMD_RET_SUCCESS;
-	}
-
-	/* print selected env vars */
-	for (int i = 1; i < argc; ++i) {
-		int rc = env_print(argv[i]);
-		if (rc < 0) {
-			printf_P(PSTR("## Error: \"%s\" not defined\n"), argv[i]);
-			rc = CMD_RET_FAILURE;
-		}
-	}
-
-	return rc;
-}
-
-
 /**
  * Set or delete environment variable
  *
@@ -552,37 +522,47 @@ int setenv(const char *varname, const char *varvalue)
 	return (int) _do_env_set(0, argc, (char * const *)argv);
 }
 
-#if 0
 /**
  * Set an environment variable to an integer value
  *
- * @param varname	Environment variable to set
- * @param value		Value to set it to
+ * @param name	Environment variable to set
+ * @param value	Value to set it to
+ * @param radix	Base
  * @return 0 if ok, 1 on error
  */
-int setenv_ulong(const char *varname, unsigned long value)
+static
+int setenv_intval(const MEMX char *name, unsigned long value, int radix)
 {
-	/* TODO: this should be unsigned */
-	char *str = simple_itoa(value);
+	char buf[11];
 
-	return setenv(varname, str);
-}
-#endif
+	ultoa(value, buf, radix);
 
+	return setenv(name, buf);
+}
 
 /**
- * Set an environment variable to an value in hex
+ * Set an environment variable to a decimal integer value
  *
- * @param varname	Environment variable to set
- * @param value		Value to set it to
+ * @param name	Environment variable to set
+ * @param value	Value to set it to
  * @return 0 if ok, 1 on error
  */
-int setenv_hex(const MEMX char *varname, unsigned long value)
+int setenv_ulong(const MEMX char *name, unsigned long value)
 {
-	char str[sizeof(unsigned long) *2 + 1];
+	return setenv_intval(name, value, 10);
+}
+
 
-	sprintf_P(str, PSTR("%lx"), value);
-	return setenv(varname, str);
+/**
+ * Set an environment variable to a value in hex
+ *
+ * @param name	Environment variable to set
+ * @param value	Value to set it to
+ * @return 0 if ok, 1 on error
+ */
+int setenv_hex(const MEMX char *name, unsigned long value)
+{
+	return setenv_intval(name, value, 16);
 }
 
 
@@ -613,6 +593,35 @@ unsigned long getenv_ulong(const MEMX char *name, int base, unsigned long defaul
 }
 
 
+command_ret_t do_env_print(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	command_ret_t rc = CMD_RET_SUCCESS;
+
+	(void) cmdtp; (void) flag;
+
+	if (argc == 1) {
+		/* print all env vars */
+		int size = env_print(NULL);
+		if (size < 0)
+			return CMD_RET_FAILURE;
+		printf_P(PSTR("\nEnvironment size: %d/%d bytes\n"),
+			size, ENV_SIZE);
+		return CMD_RET_SUCCESS;
+	}
+
+	/* print selected env vars */
+	for (int i = 1; i < argc; ++i) {
+		int rc = env_print(argv[i]);
+		if (rc < 0) {
+			printf_P(PSTR("## Error: \"%s\" not defined\n"), argv[i]);
+			rc = CMD_RET_FAILURE;
+		}
+	}
+
+	return rc;
+}
+
+
 command_ret_t do_env_set(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	(void) cmdtp;
-- 
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