cbuf: make cbuf_popb accept an untyped pointer

2 files changed, 6 insertions, 3 deletions

diff --git a/cbuf.c b/cbuf.c
index 36fb557..87797dc 100644
--- a/cbuf.c
+++ b/cbuf.c
@@ -115,13 +115,16 @@ cbuf_pushb(struct cbuf *cbuf, uint8_t byte, bool erase)
 }
 
 int
-cbuf_popb(struct cbuf *cbuf, uint8_t *bytep)
+cbuf_popb(struct cbuf *cbuf, void *bytep)
 {
+    uint8_t *ptr;
+
     if (cbuf_size(cbuf) == 0) {
         return ERROR_AGAIN;
     }
 
-    *bytep = cbuf->buf[cbuf_index(cbuf, cbuf->start)];
+    ptr = bytep;
+    *ptr = cbuf->buf[cbuf_index(cbuf, cbuf->start)];
     cbuf->start++;
     return 0;
 }
diff --git a/cbuf.h b/cbuf.h
index 6908d32..2220e35 100644
--- a/cbuf.h
+++ b/cbuf.h
@@ -126,7 +126,7 @@ int cbuf_pushb(struct cbuf *cbuf, uint8_t byte, bool erase);
  *
  * If the buffer is empty, ERROR_AGAIN is returned.
  */
-int cbuf_popb(struct cbuf *cbuf, uint8_t *bytep);
+int cbuf_popb(struct cbuf *cbuf, void *bytep);
 
 /*
  * Write into a circular buffer at a specific location.