Factoring of jtag_examine_chain for maintainability:

- Improve variable type: change device_count to unsigned.
- Improves jtag_tap_count_enabled() API too (now returns unsigned).

git-svn-id: svn://svn.berlios.de/openocd/trunk@2091 b42882b7-edfa-0310-969c-e2dbd0fdcd60

diff --git a/src/jtag/jtag.c b/src/jtag/jtag.c
index 96565d949e97c8761a5ae4ee029de20dce614731..2a81b086d128957770e823c23dbf2cbbbebfddaa 100644 (file)
--- a/src/jtag/jtag.c
+++ b/src/jtag/jtag.c
@@ -242,10 +242,10 @@ int jtag_tap_count(void)
        return jtag_num_taps;
 }
 
-int jtag_tap_count_enabled(void)
+unsigned jtag_tap_count_enabled(void)
 {
        jtag_tap_t *t;
-       int n;
+       unsigned n;
 
        n = 0;
        t = jtag_all_taps();
@@ -1065,7 +1065,7 @@ static bool jtag_examine_chain_match_tap(const struct jtag_tap_s *tap)
 static int jtag_examine_chain(void)
 {
        u8 idcode_buffer[JTAG_MAX_CHAIN_SIZE * 4];
-       int device_count = 0;
+       unsigned device_count = 0;
 
        jtag_examine_chain_execute(idcode_buffer, JTAG_MAX_CHAIN_SIZE);
 

diff --git a/src/jtag/jtag.h b/src/jtag/jtag.h
index 89b1de82f5cef69a60bda641b9c37059eef037e5..809708dce45ec8def834cbbd28e2dc579835e0c4 100644 (file)
--- a/src/jtag/jtag.h
+++ b/src/jtag/jtag.h
@@ -181,7 +181,7 @@ extern jtag_tap_t* jtag_tap_by_position(int n);
 extern jtag_tap_t* jtag_tap_by_string(const char* dotted_name);
 extern jtag_tap_t* jtag_tap_by_jim_obj(Jim_Interp* interp, Jim_Obj* obj);
 extern jtag_tap_t* jtag_tap_by_abs_position(int abs_position);
-extern int jtag_tap_count_enabled(void);
+extern unsigned jtag_tap_count_enabled(void);
 extern int jtag_tap_count(void);
 
 static __inline__ jtag_tap_t* jtag_tap_next_enabled(jtag_tap_t* p)