env: Rename common functions related to setenv()

We are now using an env_ prefix for environment functions. Rename these
commonly used functions, for consistency. Also add function comments in
common.h.

Suggested-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/cmd/cbfs.c b/cmd/cbfs.c
index 95a11a3..799ba01 100644
--- a/cmd/cbfs.c
+++ b/cmd/cbfs.c
@@ -80,7 +80,7 @@
 
 	printf("\n%ld bytes read\n", size);
 
-	setenv_hex("filesize", size);
+	env_set_hex("filesize", size);
 
 	return 0;
 }
diff --git a/cmd/cramfs.c b/cmd/cramfs.c
index 49ee36c..7b23c5b 100644
--- a/cmd/cramfs.c
+++ b/cmd/cramfs.c
@@ -138,7 +138,7 @@
 	if (size > 0) {
 		printf("### CRAMFS load complete: %d bytes loaded to 0x%lx\n",
 			size, offset);
-		setenv_hex("filesize", size);
+		env_set_hex("filesize", size);
 	} else {
 		printf("### CRAMFS LOAD ERROR<%x> for %s!\n", size, filename);
 	}
diff --git a/cmd/fdt.c b/cmd/fdt.c
index 7af9bfe..eb01a88 100644
--- a/cmd/fdt.c
+++ b/cmd/fdt.c
@@ -43,7 +43,7 @@
 
 	buf = map_sysmem(addr, 0);
 	working_fdt = buf;
-	setenv_hex("fdtaddr", addr);
+	env_set_hex("fdtaddr", addr);
 }
 
 /*
@@ -373,7 +373,7 @@
 			}
 			if (subcmd[0] == 's') {
 				/* get the num nodes at this level */
-				setenv_ulong(var, curIndex + 1);
+				env_set_ulong(var, curIndex + 1);
 			} else {
 				/* node index not found */
 				printf("libfdt node not found\n");
diff --git a/cmd/jffs2.c b/cmd/jffs2.c
index dc94705..add89de 100644
--- a/cmd/jffs2.c
+++ b/cmd/jffs2.c
@@ -512,7 +512,7 @@
 		if (size > 0) {
 			printf("### %s load complete: %d bytes loaded to 0x%lx\n",
 				fsname, size, offset);
-			setenv_hex("filesize", size);
+			env_set_hex("filesize", size);
 		} else {
 			printf("### %s LOAD ERROR<%x> for %s!\n", fsname, size, filename);
 		}
diff --git a/cmd/load.c b/cmd/load.c
index 4597ec5..ec3730e 100644
--- a/cmd/load.c
+++ b/cmd/load.c
@@ -182,7 +182,7 @@
 			    start_addr, end_addr, size, size
 		    );
 		    flush_cache(start_addr, size);
-		    setenv_hex("filesize", size);
+		    env_set_hex("filesize", size);
 		    return (addr);
 		case SREC_START:
 		    break;
@@ -529,7 +529,7 @@
 	flush_cache(offset, size);
 
 	printf("## Total Size      = 0x%08x = %d Bytes\n", size, size);
-	setenv_hex("filesize", size);
+	env_set_hex("filesize", size);
 
 	return offset;
 }
@@ -1000,7 +1000,7 @@
 	flush_cache(offset, ALIGN(size, ARCH_DMA_MINALIGN));
 
 	printf("## Total Size      = 0x%08x = %d Bytes\n", size, size);
-	setenv_hex("filesize", size);
+	env_set_hex("filesize", size);
 
 	return offset;
 }
diff --git a/cmd/lzmadec.c b/cmd/lzmadec.c
index c78df82..1b482ed 100644
--- a/cmd/lzmadec.c
+++ b/cmd/lzmadec.c
@@ -42,7 +42,7 @@
 		return 1;
 	printf("Uncompressed size: %ld = %#lX\n", (ulong)src_len,
 	       (ulong)src_len);
-	setenv_hex("filesize", src_len);
+	env_set_hex("filesize", src_len);
 
 	return 0;
 }
diff --git a/cmd/mtdparts.c b/cmd/mtdparts.c
index a243350..d3fde77 100644
--- a/cmd/mtdparts.c
+++ b/cmd/mtdparts.c
@@ -239,7 +239,7 @@
 			dev = list_entry(dentry, struct mtd_device, link);
 			if (dev == current_mtd_dev) {
 				mtddevnum += current_mtd_partnum;
-				setenv_ulong("mtddevnum", mtddevnum);
+				env_set_ulong("mtddevnum", mtddevnum);
 				break;
 			}
 			mtddevnum += dev->num_parts;
diff --git a/cmd/nand.c b/cmd/nand.c
index a2152ec..0f5d431 100644
--- a/cmd/nand.c
+++ b/cmd/nand.c
@@ -305,9 +305,9 @@
 	printf("  bbt options 0x%08x\n", chip->bbt_options);
 
 	/* Set geometry info */
-	setenv_hex("nand_writesize", mtd->writesize);
-	setenv_hex("nand_oobsize", mtd->oobsize);
-	setenv_hex("nand_erasesize", mtd->erasesize);
+	env_set_hex("nand_writesize", mtd->writesize);
+	env_set_hex("nand_oobsize", mtd->oobsize);
+	env_set_hex("nand_erasesize", mtd->erasesize);
 }
 
 static int raw_access(struct mtd_info *mtd, ulong addr, loff_t off,
diff --git a/cmd/nvedit.c b/cmd/nvedit.c
index 1b1e966..a649004 100644
--- a/cmd/nvedit.c
+++ b/cmd/nvedit.c
@@ -304,7 +304,7 @@
  * @param value		Value to set it to
  * @return 0 if ok, 1 on error
  */
-int setenv_ulong(const char *varname, ulong value)
+int env_set_ulong(const char *varname, ulong value)
 {
 	/* TODO: this should be unsigned */
 	char *str = simple_itoa(value);
@@ -319,7 +319,7 @@
  * @param value		Value to set it to
  * @return 0 if ok, 1 on error
  */
-int setenv_hex(const char *varname, ulong value)
+int env_set_hex(const char *varname, ulong value)
 {
 	char str[17];
 
@@ -957,7 +957,7 @@
 		envp->flags = ACTIVE_FLAG;
 #endif
 	}
-	setenv_hex("filesize", len + offsetof(env_t, data));
+	env_set_hex("filesize", len + offsetof(env_t, data));
 
 	return 0;
 
diff --git a/cmd/reiser.c b/cmd/reiser.c
index 9c3e9e9..4df9c5f 100644
--- a/cmd/reiser.c
+++ b/cmd/reiser.c
@@ -157,7 +157,7 @@
 	load_addr = addr;
 
 	printf ("\n%ld bytes read\n", filelen);
-	setenv_hex("filesize", filelen);
+	env_set_hex("filesize", filelen);
 
 	return filelen;
 }
diff --git a/cmd/setexpr.c b/cmd/setexpr.c
index e9058c4..91a5a9a 100644
--- a/cmd/setexpr.c
+++ b/cmd/setexpr.c
@@ -314,7 +314,7 @@
 
 	/* plain assignment: "setexpr name value" */
 	if (argc == 3) {
-		setenv_hex(argv[1], a);
+		env_set_hex(argv[1], a);
 		return 0;
 	}
 
@@ -370,7 +370,7 @@
 		return 1;
 	}
 
-	setenv_hex(argv[1], value);
+	env_set_hex(argv[1], value);
 
 	return 0;
 }
diff --git a/cmd/tpm.c b/cmd/tpm.c
index 0c4bc73..d9b4335 100644
--- a/cmd/tpm.c
+++ b/cmd/tpm.c
@@ -231,7 +231,7 @@
 		default:
 			return -1;
 		}
-		if (setenv_ulong(*vars, value))
+		if (env_set_ulong(*vars, value))
 			return -1;
 	}
 
@@ -624,7 +624,7 @@
 				 &key_handle);
 	if (!err) {
 		printf("Key handle is 0x%x\n", key_handle);
-		setenv_hex("key_handle", key_handle);
+		env_set_hex("key_handle", key_handle);
 	}
 
 	return report_return_code(err);
diff --git a/cmd/trace.c b/cmd/trace.c
index 1a6d8c3..e6c08e4 100644
--- a/cmd/trace.c
+++ b/cmd/trace.c
@@ -46,9 +46,9 @@
 	used = min(avail, (size_t)needed);
 	printf("Function trace dumped to %08lx, size %#zx\n",
 	       (ulong)map_to_sysmem(buff + buff_ptr), used);
-	setenv_hex("profbase", map_to_sysmem(buff));
-	setenv_hex("profsize", buff_size);
-	setenv_hex("profoffset", buff_ptr + used);
+	env_set_hex("profbase", map_to_sysmem(buff));
+	env_set_hex("profsize", buff_size);
+	env_set_hex("profoffset", buff_ptr + used);
 
 	return 0;
 }
@@ -71,9 +71,9 @@
 	printf("Call list dumped to %08lx, size %#zx\n",
 	       (ulong)map_to_sysmem(buff + buff_ptr), used);
 
-	setenv_hex("profbase", map_to_sysmem(buff));
-	setenv_hex("profsize", buff_size);
-	setenv_hex("profoffset", buff_ptr + used);
+	env_set_hex("profbase", map_to_sysmem(buff));
+	env_set_hex("profsize", buff_size);
+	env_set_hex("profoffset", buff_ptr + used);
 
 	return 0;
 }
diff --git a/cmd/unzip.c b/cmd/unzip.c
index a8bcb1f..94f883f 100644
--- a/cmd/unzip.c
+++ b/cmd/unzip.c
@@ -29,7 +29,7 @@
 		return 1;
 
 	printf("Uncompressed size: %ld = 0x%lX\n", src_len, src_len);
-	setenv_hex("filesize", src_len);
+	env_set_hex("filesize", src_len);
 
 	return 0;
 }
diff --git a/cmd/ximg.c b/cmd/ximg.c
index d033c15..50dc00e 100644
--- a/cmd/ximg.c
+++ b/cmd/ximg.c
@@ -251,8 +251,8 @@
 
 	flush_cache(dest, len);
 
-	setenv_hex("fileaddr", data);
-	setenv_hex("filesize", len);
+	env_set_hex("fileaddr", data);
+	env_set_hex("filesize", len);
 
 	return 0;
 }
diff --git a/cmd/zfs.c b/cmd/zfs.c
index 3ed9912..08b0062 100644
--- a/cmd/zfs.c
+++ b/cmd/zfs.c
@@ -115,7 +115,7 @@
 	load_addr = addr;
 
 	printf("%llu bytes read\n", zfile.size);
-	setenv_hex("filesize", zfile.size);
+	env_set_hex("filesize", zfile.size);
 
 	return 0;
 }
diff --git a/cmd/zip.c b/cmd/zip.c
index 7fcd9d5..dac7527 100644
--- a/cmd/zip.c
+++ b/cmd/zip.c
@@ -30,7 +30,7 @@
 		return 1;
 
 	printf("Compressed size: %ld = 0x%lX\n", dst_len, dst_len);
-	setenv_hex("filesize", dst_len);
+	env_set_hex("filesize", dst_len);
 
 	return 0;
 }