libs/libc: Fix a fatal bug in fread

Fix a bug the destination buffer is not updated. It is caused by the following commit. commit 5d8d5bf
acassis · Sep 7, 2023 · d4fbd7a · d4fbd7a
1 parent bfb0095
commit d4fbd7a
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/libs/libc/stdio/lib_libfread_unlocked.c b/libs/libc/stdio/lib_libfread_unlocked.c
@@ -137,6 +137,7 @@ ssize_t lib_fread_unlocked(FAR void *ptr, size_t count, FAR FILE *stream)
 
                   remaining -= gulp_size;
                   stream->fs_bufpos += gulp_size;
+                  dest += gulp_size;
                 }
 
               /* The buffer is empty OR we have already supplied the number