don't do frame header caching in the core if LOW_MEMORY is defined

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@49461 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/main/frame.c b/main/frame.c
index 078713975ccc31470f8464ac85ea12e71eaf70b1..0cf11981feb1bfe6abc1e0d17fd318a970404e20 100644 (file)
--- a/main/frame.c
+++ b/main/frame.c
@@ -49,6 +49,7 @@ static int headers;
 static AST_LIST_HEAD_STATIC(headerlist, ast_frame);
 #endif
 
+#if !defined(LOW_MEMORY)
 static void frame_cache_cleanup(void *data);
 
 /*! \brief A per-thread cache of frame headers */
@@ -73,6 +74,7 @@ struct ast_frame_cache {
        struct ast_frames list;
        size_t size;
 };
+#endif
 
 #define SMOOTHER_SIZE 8000
 
@@ -284,6 +286,8 @@ void ast_smoother_free(struct ast_smoother *s)
 static struct ast_frame *ast_frame_header_new(void)
 {
        struct ast_frame *f;
+
+#if !defined(LOW_MEMORY)
        struct ast_frame_cache *frames;
 
        if ((frames = ast_threadstorage_get(&frame_cache, sizeof(*frames)))) {
@@ -296,6 +300,7 @@ static struct ast_frame *ast_frame_header_new(void)
                        return f;
                }
        }
+#endif
 
        if (!(f = ast_calloc_cache(1, sizeof(*f))))
                return NULL;
@@ -311,6 +316,7 @@ static struct ast_frame *ast_frame_header_new(void)
        return f;
 }
 
+#if !defined(LOW_MEMORY)
 static void frame_cache_cleanup(void *data)
 {
        struct ast_frame_cache *frames = data;
@@ -321,12 +327,14 @@ static void frame_cache_cleanup(void *data)
        
        free(frames);
 }
+#endif
 
 void ast_frame_free(struct ast_frame *fr, int cache)
 {
        if (!fr->mallocd)
                return;
 
+#if !defined(LOW_MEMORY)
        if (cache && fr->mallocd == AST_MALLOCD_HDR) {
                /* Cool, only the header is malloc'd, let's just cache those for now 
                 * to keep things simple... */
@@ -339,6 +347,7 @@ void ast_frame_free(struct ast_frame *fr, int cache)
                        return;
                }
        }
+#endif
        
        if (fr->mallocd & AST_MALLOCD_DATA) {
                if (fr->data) 
@@ -422,11 +431,14 @@ struct ast_frame *ast_frisolate(struct ast_frame *fr)
 
 struct ast_frame *ast_frdup(const struct ast_frame *f)
 {
-       struct ast_frame_cache *frames;
        struct ast_frame *out = NULL;
        int len, srclen = 0;
        void *buf = NULL;
 
+#if !defined(LOW_MEMORY)
+       struct ast_frame_cache *frames;
+#endif
+
        /* Start with standard stuff */
        len = sizeof(*out) + AST_FRIENDLY_OFFSET + f->datalen;
        /* If we have a source, add space for it */
@@ -439,6 +451,7 @@ struct ast_frame *ast_frdup(const struct ast_frame *f)
        if (srclen > 0)
                len += srclen + 1;
        
+#if !defined(LOW_MEMORY)
        if ((frames = ast_threadstorage_get(&frame_cache, sizeof(*frames)))) {
                AST_LIST_TRAVERSE_SAFE_BEGIN(&frames->list, out, frame_list) {
                        if (out->mallocd_hdr_len >= len) {
@@ -453,6 +466,8 @@ struct ast_frame *ast_frdup(const struct ast_frame *f)
                }
                AST_LIST_TRAVERSE_SAFE_END
        }
+#endif
+
        if (!buf) {
                if (!(buf = ast_calloc_cache(1, len)))
                        return NULL;