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authorMax Romanov <max.romanov@nginx.com>2017-06-23 19:20:08 +0300
committerMax Romanov <max.romanov@nginx.com>2017-06-23 19:20:08 +0300
commit4a1b59c27a8e85fc3b03c420fbc1642ce52e96cf (patch)
treec72ab253541c53dd918afc86973192416078fceb /src/nginext/nxt_go_array.c
parent5a43bd0bfd1eaa60dede7beb3206a53e8d008fa4 (diff)
downloadunit-4a1b59c27a8e85fc3b03c420fbc1642ce52e96cf.tar.gz
unit-4a1b59c27a8e85fc3b03c420fbc1642ce52e96cf.tar.bz2
External Go app request processing.
Diffstat (limited to 'src/nginext/nxt_go_array.c')
-rw-r--r--src/nginext/nxt_go_array.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/src/nginext/nxt_go_array.c b/src/nginext/nxt_go_array.c
new file mode 100644
index 00000000..a788811a
--- /dev/null
+++ b/src/nginext/nxt_go_array.c
@@ -0,0 +1,66 @@
+
+/*
+ * Copyright (C) Max Romanov
+ * Copyright (C) NGINX, Inc.
+ */
+
+#ifndef NXT_CONFIGURE
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <nxt_main.h>
+
+#include "nxt_go_array.h"
+
+void
+nxt_go_array_init(nxt_array_t *array, nxt_uint_t n, size_t size)
+{
+ array->elts = malloc(n * size);
+
+ if (nxt_slow_path(n != 0 && array->elts == NULL)) {
+ return;
+ }
+
+ array->nelts = 0;
+ array->size = size;
+ array->nalloc = n;
+ array->mem_pool = NULL;
+}
+
+void *
+nxt_go_array_add(nxt_array_t *array)
+{
+ void *p;
+ uint32_t nalloc, new_alloc;
+
+ nalloc = array->nalloc;
+
+ if (array->nelts == nalloc) {
+
+ if (nalloc < 16) {
+ /* Allocate new array twice larger than current. */
+ new_alloc = nalloc * 2;
+
+ } else {
+ /* Allocate new array 1.5 times larger than current. */
+ new_alloc = nalloc + nalloc / 2;
+ }
+
+ p = realloc(array->elts, array->size * new_alloc);
+
+ if (nxt_slow_path(p == NULL)) {
+ return NULL;
+ }
+
+ array->elts = p;
+ array->nalloc = new_alloc;
+ }
+
+ p = (char *) array->elts + array->size * array->nelts;
+ array->nelts++;
+
+ return p;
+}
+
+#endif /* NXT_CONFIGURE */