table.c: Fix a coverity warning of uninitialized value 'dummy'

[platform/upstream/libxkbcommon.git] / src / darray.h

diff --git a/src/darray.h b/src/darray.h
index c30fd7d..b75d85f 100644 (file)
--- a/src/darray.h
+++ b/src/darray.h
@@ -104,7 +104,7 @@ typedef darray (unsigned long)  darray_ulong;
 #define darray_from_items(arr, items, count) do { \
     unsigned __count = (count); \
     darray_resize(arr, __count); \
-    if (count != 0) \
+    if (__count != 0) \
         memcpy((arr).item, items, __count * sizeof(*(arr).item)); \
 } while (0)
 
@@ -114,6 +114,11 @@ typedef darray (unsigned long)  darray_ulong;
 #define darray_concat(arr_to, arr_from) \
     darray_append_items((arr_to), (arr_from).item, (arr_from).size)
 
+/*** Removal ***/
+
+/* Warning: Do not call darray_remove_last on an empty darray. */
+#define darray_remove_last(arr) (--(arr).size)
+
 /*** String buffer ***/
 
 #define darray_append_string(arr, str) do { \
@@ -206,4 +211,7 @@ darray_next_alloc(unsigned alloc, unsigned need, unsigned itemSize)
          (idx) < (arr).size; \
          (idx)++, (val)++)
 
+#define darray_foreach_reverse(i, arr) \
+    for ((i) = &(arr).item[(arr).size - 1]; (arr).size > 0 && (i) >= &(arr).item[0]; (i)--)
+
 #endif /* CCAN_DARRAY_H */