pcm_utils: add function pcm_end_pointer()

1 files changed, 11 insertions, 0 deletions

diff --git a/src/pcm_utils.h b/src/pcm_utils.h
index b6a6f3787..001423b37 100644
--- a/src/pcm_utils.h
+++ b/src/pcm_utils.h
@@ -25,6 +25,17 @@
 #include <stdint.h>
 
 /**
+ * Add a byte count to the specified pointer.  This is a utility
+ * function to convert a source pointer and a byte count to an "end"
+ * pointer for use in loops.
+ */
+static inline const void *
+pcm_end_pointer(const void *p, size_t size)
+{
+	return (const char *)p + size;
+}
+
+/**
  * Check if the value is within the range of the provided bit size,
  * and caps it if necessary.
  */