fix compilation errors due to undefined variables

[protos/imu.git] / fat.c

diff --git a/fat.c b/fat.c
index 367d489..df579ce 100644 (file)
--- a/fat.c
+++ b/fat.c
@@ -814,6 +814,9 @@ uint8_t fat_clear_cluster(const struct fat_fs_struct* fs, cluster_t cluster_num)
  */
 uintptr_t fat_clear_cluster_callback(uint8_t* buffer, offset_t offset, void* p)
 {
+       (void)buffer;
+       (void)offset;
+       (void)p;
     return 16;
 }
 #endif
@@ -2518,6 +2521,8 @@ uint8_t fat_get_fs_free_16_callback(uint8_t* buffer, offset_t offset, void* p)
     struct fat_usage_count_callback_arg* count_arg = (struct fat_usage_count_callback_arg*) p;
     uintptr_t buffer_size = count_arg->buffer_size;
 
+    (void)offset;
+
     for(uintptr_t i = 0; i < buffer_size; i += 2, buffer += 2)
     {
        uint16_t cluster = read16(buffer);
@@ -2538,6 +2543,8 @@ uint8_t fat_get_fs_free_32_callback(uint8_t* buffer, offset_t offset, void* p)
     struct fat_usage_count_callback_arg* count_arg = (struct fat_usage_count_callback_arg*) p;
     uintptr_t buffer_size = count_arg->buffer_size;
 
+    (void)offset;
+
     for(uintptr_t i = 0; i < buffer_size; i += 4, buffer += 4)
     {
        uint32_t cluster = read32(buffer);