[PATCH 2/2] treewide: Simplify setenv() calls

[Sascha Hauer <s.hauer@pengutronix.de>]

setenv() now takes printf arguments, use this where possible to simplify
the code a bit.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 commands/clk.c      | 10 +++-------
 commands/crc.c      | 14 ++++----------
 commands/hwclock.c  |  4 +---
 commands/loadb.c    |  4 +---
 commands/loads.c    |  4 +---
 common/bootsource.c |  8 ++------
 common/menutree.c   |  9 +--------
 7 files changed, 13 insertions(+), 40 deletions(-)

diff --git a/commands/clk.c b/commands/clk.c
index dfbc7c988f..7ff6679dad 100644
--- a/commands/clk.c
+++ b/commands/clk.c
@@ -139,13 +139,9 @@ static int do_clk_get_rate(int argc, char *argv[])
 
 	rate = clk_get_rate(clk);
 
-	if (variable_name) {
-		char *t;
-
-		t = basprintf("%lu", rate);
-		setenv(variable_name, t);
-		free(t);
-	} else
+	if (variable_name)
+		setenv(variable_name, "%lu", rate);
+	else
 		printf("%lu\n", rate);
 
 	return COMMAND_SUCCESS;
diff --git a/commands/crc.c b/commands/crc.c
index 80ecf7fe29..3a9f6db741 100644
--- a/commands/crc.c
+++ b/commands/crc.c
@@ -83,17 +83,11 @@ static int do_crc(int argc, char *argv[])
 	printf("CRC32 for %s 0x%08lx ... 0x%08lx ==> 0x%08lx",
 			filename, (ulong)start, (ulong)start + total - 1, crc);
 
-	if (crcvarname) {
-		char *crcstr = basprintf("0x%lx", crc);
-		setenv(crcvarname, crcstr);
-		kfree(crcstr);
-	}
+	if (crcvarname)
+		setenv(crcvarname, "0x%lx", crc);
 
-	if (sizevarname) {
-		char *sizestr = basprintf("0x%lx", total);
-		setenv(sizevarname, sizestr);
-		kfree(sizestr);
-	}
+	if (sizevarname)
+		setenv(sizevarname, "0x%lx", total);
 
 #ifdef CONFIG_CMD_CRC_CMP
 	if (vfilename) {
diff --git a/commands/hwclock.c b/commands/hwclock.c
index abb0500e6a..b3cd7cb8ed 100644
--- a/commands/hwclock.c
+++ b/commands/hwclock.c
@@ -153,11 +153,9 @@ static int do_hwclock(int argc, char *argv[])
 
 	if (env_name) {
 		unsigned long time;
-		char t[12];
 
 		rtc_tm_to_time(&tm, &time);
-		snprintf(t, 12, "%lu", time);
-		setenv(env_name, t);
+		setenv(env_name, "%lu", time);
 	} else {
 		printf("%s\n", time_str(&tm));
 	}
diff --git a/commands/loadb.c b/commands/loadb.c
index 17d3af84b5..5c486d4d73 100644
--- a/commands/loadb.c
+++ b/commands/loadb.c
@@ -542,7 +542,6 @@ packet_error:
 static ulong load_serial_bin(void)
 {
 	int size, i;
-	char buf[32];
 
 	/* Try to allocate the buffer we shall write to files */
 	write_buffer = malloc(MAX_WRITE_BUFFER);
@@ -576,8 +575,7 @@ static ulong load_serial_bin(void)
 		write_idx = 0;
 	}
 	printf("## Total Size      = 0x%08x = %d Bytes\n", size, size);
-	sprintf(buf, "%X", size);
-	setenv("filesize", buf);
+	setenv("filesize", "%X", size);
 
 err_quit:
 	free(write_buffer);
diff --git a/commands/loads.c b/commands/loads.c
index 8260673c51..129bcaba25 100644
--- a/commands/loads.c
+++ b/commands/loads.c
@@ -65,7 +65,6 @@ static ulong load_serial(ulong offset)
 	int	type;				/* return code for record type	*/
 	ulong	addr;				/* load address from S-Record	*/
 	ulong	size;				/* number of bytes transferred	*/
-	char	buf[32];
 	ulong	store_addr;
 	ulong	start_addr = ~0;
 	ulong	end_addr   =  0;
@@ -100,8 +99,7 @@ static ulong load_serial(ulong offset)
 			    "## Total Size      = 0x%08lX = %ld Bytes\n",
 			    start_addr, end_addr, size, size
 			    );
-			sprintf(buf, "%lX", size);
-			setenv("filesize", buf);
+			setenv("filesize", "%lX", size);
 			return addr;
 		case SREC_START:
 			break;
diff --git a/common/bootsource.c b/common/bootsource.c
index 1f8d053a81..11e39db92a 100644
--- a/common/bootsource.c
+++ b/common/bootsource.c
@@ -113,16 +113,12 @@ void bootsource_set(enum bootsource src)
 
 void bootsource_set_instance(int instance)
 {
-	char buf[32];
-
 	bootsource_instance = instance;
 
 	if (instance < 0)
-		sprintf(buf, "unknown");
+		setenv("bootsource_instance","unknown");
 	else
-		snprintf(buf, sizeof(buf), "%d", instance);
-
-	setenv("bootsource_instance", buf);
+		setenv("bootsource_instance", "%d", instance);
 }
 
 enum bootsource bootsource_get(void)
diff --git a/common/menutree.c b/common/menutree.c
index 7fa835a7fe..44d6a7b72c 100644
--- a/common/menutree.c
+++ b/common/menutree.c
@@ -34,14 +34,7 @@ static void menutree_action(struct menu *m, struct menu_entry *me)
 
 static void setenv_bool(const char *var, bool val)
 {
-	const char *str;
-
-	if (val)
-		str = "1";
-	else
-		str = "0";
-
-	setenv(var, str);
+	setenv(var, "%d", val);
 }
 
 static void menutree_box(struct menu *m, struct menu_entry *me)
-- 
2.30.2