From 2d951bfa417f0e125708d5dac64f2f0b91610e07 Mon Sep 17 00:00:00 2001
From: Igor Sysoev <igor@sysoev.ru>
Date: Tue, 27 May 2008 09:37:40 +0000
Subject: *) add ngx_palloc_aligned() to allocate explicitlty aligned memory *)
 allows non-aligned memory blocks for small allocations and for odd    length
 strings on all platforms *) use ngx_palloc_aligned()

---
 src/core/ngx_palloc.c | 18 ++++++++++++------
 src/core/ngx_palloc.h |  1 +
 src/core/ngx_regex.c  |  2 +-
 3 files changed, 14 insertions(+), 7 deletions(-)

(limited to 'src/core')

diff --git a/src/core/ngx_palloc.c b/src/core/ngx_palloc.c
index 4cf7e8a4b..130c67056 100644
--- a/src/core/ngx_palloc.c
+++ b/src/core/ngx_palloc.c
@@ -99,8 +99,6 @@ ngx_palloc(ngx_pool_t *pool, size_t size)
 
         for ( ;; ) {
 
-#if (NGX_HAVE_NONALIGNED)
-
             /*
              * allow non-aligned memory blocks for small allocations (1, 2,
              * or 3 bytes) and for odd length strings (struct's have aligned
@@ -110,10 +108,7 @@ ngx_palloc(ngx_pool_t *pool, size_t size)
             if (size < sizeof(int) || (size & 1)) {
                 m = p->last;
 
-            } else
-#endif
-
-            {
+            } else {
                 m = ngx_align_ptr(p->last, NGX_ALIGNMENT);
             }
 
@@ -177,6 +172,17 @@ ngx_palloc(ngx_pool_t *pool, size_t size)
 }
 
 
+void *
+ngx_palloc_aligned(ngx_pool_t *pool, size_t size)
+{
+    if (size & 1) {
+        size++;
+    }
+
+    return ngx_palloc(pool, size);
+}
+
+
 ngx_int_t
 ngx_pfree(ngx_pool_t *pool, void *p)
 {
diff --git a/src/core/ngx_palloc.h b/src/core/ngx_palloc.h
index 13443d7dd..11e2b41da 100644
--- a/src/core/ngx_palloc.h
+++ b/src/core/ngx_palloc.h
@@ -69,6 +69,7 @@ ngx_pool_t *ngx_create_pool(size_t size, ngx_log_t *log);
 void ngx_destroy_pool(ngx_pool_t *pool);
 
 void *ngx_palloc(ngx_pool_t *pool, size_t size);
+void *ngx_palloc_aligned(ngx_pool_t *pool, size_t size);
 void *ngx_pcalloc(ngx_pool_t *pool, size_t size);
 ngx_int_t ngx_pfree(ngx_pool_t *pool, void *p);
 
diff --git a/src/core/ngx_regex.c b/src/core/ngx_regex.c
index be2dae79b..fb12ab16b 100644
--- a/src/core/ngx_regex.c
+++ b/src/core/ngx_regex.c
@@ -165,7 +165,7 @@ ngx_regex_malloc(size_t size)
 #endif
 
     if (pool) {
-        return ngx_palloc(pool, size);
+        return ngx_palloc_aligned(pool, size);
     }
 
     return NULL;
-- 
cgit