foreach() semantic for arrays, improves configuration post-processing.

[apps/pfixtools.git] / common / array.h

diff --git a/common/array.h b/common/array.h
index b85fc50..ed12b5b 100644 (file)
--- a/common/array.h
+++ b/common/array.h
@@ -38,6 +38,7 @@
 
 #include "common.h"
 #include "mem.h"
+#include <sys/mman.h>
 
 #define PRIV_ARRAY(Type)                                                       \
     struct {                                                                   \
@@ -60,6 +61,7 @@
             p_delete(array);                                                   \
         }                                                                      \
     }
+#define A(Type) Type ## _array_t
 
 #define ARRAY_INIT { NULL, 0, 0 }
 
@@ -107,7 +109,27 @@
 #define array_elt(array, n) (array).data[(n)]
 #define array_ptr(array, n) (array).data + (n)
 
+#define foreach(var, array)                                                    \
+    for (int __Ai = 0 ; __Ai < (array).len ; ++__Ai) {                         \
+        var = array_ptr(array, __Ai);
+
+#define array_foreach(array, action)                                           \
+    for (int __Ai = 0 ; __Ai < (array).len ; ++__Ai) {                         \
+        action(array_ptr(array, __Ai));                                        \
+    }
+#define array_deep_wipe(array, wipe)                                           \
+    do {                                                                       \
+        array_foreach(array, wipe);                                            \
+        array_wipe(array);                                                     \
+    } while (0)
+
+#define array_lock(array)                                                      \
+    !(mlock((array).data, (array).len * sizeof(*(array).data)) != 0)
+#define array_unlock(array)                                                    \
+    (void)munlock((array).data, (array).len * sizeof(*(array).data))
+
 ARRAY(char)
 ARRAY(int)
+ARRAY(uint32_t)
 
 #endif