Update print_buffer() to use const

The buffer cannot be changed by this function, so change the buffer
pointer to a const. This allows callers with const pointer to use the
function without a cast.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/include/common.h b/include/common.h
index 4ad17ea..170f439 100644 (file)
--- a/include/common.h
+++ b/include/common.h
@@ -270,7 +270,8 @@ int cpu_init(void);
 phys_size_t initdram (int);
 int    display_options (void);
 void   print_size(unsigned long long, const char *);
-int    print_buffer (ulong addr, void* data, uint width, uint count, uint linelen);
+int print_buffer(ulong addr, const void *data, uint width, uint count,
+                uint linelen);
 
 /* common/main.c */
 void   main_loop       (void);

diff --git a/lib/display_options.c b/lib/display_options.c
index 694d2f2..0339970 100644 (file)
--- a/lib/display_options.c
+++ b/lib/display_options.c
@@ -98,7 +98,8 @@ void print_size(unsigned long long size, const char *s)
  */
 #define MAX_LINE_LENGTH_BYTES (64)
 #define DEFAULT_LINE_LENGTH_BYTES (16)
-int print_buffer (ulong addr, void* data, uint width, uint count, uint linelen)
+int print_buffer(ulong addr, const void *data, uint width, uint count,
+                uint linelen)
 {
        /* linebuf as a union causes proper alignment */
        union linebuf {