STY: use calloc instead of malloc

Author: qwhelan

bottleneck/src/move_template.c

@@ -444,7 +444,7 @@ MOVE(NAME, DTYPE0) {
     pairs *    extreme_pair;
     pairs *    end;
     pairs *    last;
-    pairs *    ring = (pairs *)malloc(window * sizeof(pairs));
+    pairs *    ring = (pairs *)calloc(sizeof(pairs), window);
     INIT(NPY_DTYPE0)
     BN_BEGIN_ALLOW_THREADS
     WHILE {
@@ -488,7 +488,7 @@ MOVE(NAME, DTYPE0) {
     pairs *    extreme_pair;
     pairs *    end;
     pairs *    last;
-    pairs *    ring = (pairs *)malloc(window * sizeof(pairs));
+    pairs *    ring = (pairs *)calloc(sizeof(pairs), window);
     INIT(NPY_DTYPE1)
     BN_BEGIN_ALLOW_THREADS
     WHILE {

bottleneck/src/nonreduce_axis_template.c

@@ -83,7 +83,7 @@ NRA_MAIN(partition, PARSE_PARTITION)
 
 /* argpartition ----------------------------------------------------------- */
 
-#define BUFFER_NEW(dtype) dtype *B = malloc(LENGTH * sizeof(dtype));
+#define BUFFER_NEW(dtype) dtype *B = calloc(LENGTH, sizeof(dtype));
 #define BUFFER_DELETE     free(B);
 
 #define ARGWIRTH(dtype0, dtype1)           \

bottleneck/src/reduce_template.c

@@ -1062,7 +1062,7 @@ REDUCE_MAIN(ss, 0)
     EVEN_ODD(dtype, n)
 
 #define BUFFER_NEW(dtype, length) \
-    npy_##dtype *buffer = malloc(length * sizeof(npy_##dtype));
+    npy_##dtype *buffer = calloc(length, sizeof(npy_##dtype));
 
 #define BUFFER_DELETE free(buffer);