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 --- include/common.h | 3 ++- lib/display_options.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/include/common.h b/include/common.h index d0bf1e8..f2035c0 100644 --- 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 --- 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 {