env: Move envmatch() to env.h

Move envmatch() over to the new header file. Also rename it to env_match()
to better line up with other functions.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>

cmd/nvedit.c

@@ -709,7 +709,7 @@ int env_get_f(const char *name, char *buf, unsigned len)
 				return -1;
 		}
 
-		val = envmatch((uchar *)name, i);
+		val = env_match((uchar *)name, i);
 		if (val < 0)
 			continue;
 
@@ -785,15 +785,7 @@ U_BOOT_CMD(
 #endif
 #endif /* CONFIG_SPL_BUILD */
 
-
-/*
- * Match a name / name=value pair
- *
- * s1 is either a simple 'name', or a 'name=value' pair.
- * i2 is the environment index for a 'name2=value2' pair.
- * If the names match, return the index for the value2, else -1.
- */
-int envmatch(uchar *s1, int i2)
+int env_match(uchar *s1, int i2)
 {
 	if (s1 == NULL)
 		return -1;

examples/api/glue.c

@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <env.h>
 #include <linux/types.h>
 #include <api_public.h>
 
@@ -365,7 +366,7 @@ const char * ub_env_enum(const char *last)
 
 	/*
 	 * It's OK to pass only the name piece as last (and not the whole
-	 * 'name=val' string), since the API_ENUM_ENV call uses envmatch()
+	 * 'name=val' string), since the API_ENUM_ENV call uses env_match()
 	 * internally, which handles such case
 	 */
 	if (!syscall(API_ENV_ENUM, NULL, last, &env))

include/common.h

@@ -145,9 +145,6 @@ int do_fat_fsload(cmd_tbl_t *, int, int, char * const []);
 /* common/cmd_ext2.c */
 int do_ext2load(cmd_tbl_t *, int, int, char * const []);
 
-/* common/cmd_nvedit.c */
-int	envmatch     (uchar *, int);
-
 /**
  * env_get() - Look up the value of an environment variable
  *

include/env.h

@@ -39,6 +39,17 @@ int env_init(void);
  */
 void env_relocate(void);
 
+/**
+ * env_match() - Match a name / name=value pair
+ *
+ * This is used prior to relocation for finding envrionment variables
+ *
+ * @name: A simple 'name', or a 'name=value' pair.
+ * @index: The environment index for a 'name2=value2' pair.
+ * @return index for the value if the names match, else -1.
+ */
+int env_match(unsigned char *name, int index);
+
 /**
  * env_get_f() - Look up the value of an environment variable (early)
  *