abuf: Support use from tools

Update the code slightly so that abuf can be used in U-Boot tools. It will
soon be needed for proftool.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/lib/abuf.c b/lib/abuf.c
index 1635d58..bd27046 100644 (file)
--- a/lib/abuf.c
+++ b/lib/abuf.c
@@ -6,11 +6,14 @@
  * Written by Simon Glass <sjg@chromium.org>
  */
 
+#ifndef USE_HOSTCC
 #include <common.h>
-#include <abuf.h>
 #include <malloc.h>
 #include <mapmem.h>
 #include <string.h>
+#endif
+
+#include <abuf.h>
 
 void abuf_set(struct abuf *abuf, void *data, size_t size)
 {
@@ -19,10 +22,26 @@ void abuf_set(struct abuf *abuf, void *data, size_t size)
        abuf->size = size;
 }
 
+#ifndef USE_HOSTCC
 void abuf_map_sysmem(struct abuf *abuf, ulong addr, size_t size)
 {
        abuf_set(abuf, map_sysmem(addr, size), size);
 }
+#else
+/* copied from lib/string.c for convenience */
+static char *memdup(const void *src, size_t len)
+{
+       char *p;
+
+       p = malloc(len);
+       if (!p)
+               return NULL;
+
+       memcpy(p, src, len);
+
+       return p;
+}
+#endif
 
 bool abuf_realloc(struct abuf *abuf, size_t new_size)
 {