move prototypes for useful cmd helpers from internal cmd.h to public cmd.h

git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@1918 b68d4a1b-bc3d-0410-92ed-d4ac073336b7

urjtag/ChangeLog

@@ -1,3 +1,9 @@
+2011-06-27  Mike Frysinger  <vapier@gentoo.org>
+
+  * include/urjtag/cmd.h, src/cmd/cmd.h, src/cmd/cmd_cmd.c: Move prototypes
+    for some useful command related functions to the public cmd.h header.
+    In the process, constify the array passed into urj_cmd_params.
+
 2011-06-25  Mike Frysinger  <vapier@gentoo.org>
 
   * src/cmd/cmd_initbus.c: Drop useless double const keywords.

urjtag/include/urjtag/cmd.h

@@ -56,4 +56,30 @@ int urj_cmd_run (urj_chain_t *chain, char *params[]);
  */
 char **urj_cmd_complete (urj_chain_t *chain, const char *line, int point);
 
+/**
+ * Tests if chain has a cable pointer
+ *
+ * @return URJ_STATUS_OK if success; URJ_STATUS_FAIL on error or failure
+ */
+int urj_cmd_test_cable (urj_chain_t *chain);
+
+/**
+ * Count the number of parameters in this NULL-terminated list
+ *
+ * @param params pointer to array of null-terminated strings
+ *
+ * @return number of parameter strings; 0 for none.
+ */
+int urj_cmd_params (char * const params[]);
+
+/**
+ * Parse parameter as a long unsigned
+ *
+ * @param s string containing textual representation of a number
+ * @param i pointer to variable in which to store the resulting number
+ *
+ * @return URJ_STATUS_OK on success, URJ_STATUS_FAIL on error
+ */
+int urj_cmd_get_number (const char *s, long unsigned *i);
+
 #endif /* URJ_CMD_H */

urjtag/src/cmd/cmd.h

@@ -56,23 +56,6 @@ typedef struct
 
 extern const urj_cmd_t * const urj_cmds[];
 
-/**
- * Tests if chain has a cable pointer
- *
- * @return URJ_STATUS_OK if success; URJ_STATUS_FAIL on error or failure
- */
-int urj_cmd_test_cable (urj_chain_t *chain);
-
-/**
- * Count the number of parameters in this NULL-terminated list
- */
-int urj_cmd_params (char *params[]);
-/**
- * Parse parameter as a long unsigned
- * @return URJ_STATUS_OK on success, URJ_STATUS_FAIL on error
- */
-int urj_cmd_get_number (const char *s, long unsigned *i);
-
 /**
  * Show a list of structures with name/desc
  */

urjtag/src/cmd/cmd_cmd.c

@@ -234,7 +234,7 @@ urj_cmd_run (urj_chain_t *chain, char *params[])
 }
 
 int
-urj_cmd_params (char *params[])
+urj_cmd_params (char * const params[])
 {
     int i = 0;