Move computation of absolute paths from Makefile to runtime (in preparation for RUNTIME_PREFIX)

diff --git a/Documentation/technical/api-strbuf.txt b/Documentation/technical/api-strbuf.txt
index a8ee2fe6a1504b943ff9c3c51807bf0f839182b1..9a4e3ea92c44b01694c4373f97b6c56c67952fbb 100644 (file)
--- a/Documentation/technical/api-strbuf.txt
+++ b/Documentation/technical/api-strbuf.txt
@@ -133,8 +133,10 @@ Functions
 
 * Adding data to the buffer
 
-NOTE: All of these functions in this section will grow the buffer as
-      necessary.
+NOTE: All of the functions in this section will grow the buffer as necessary.
+If they fail for some reason other than memory shortage and the buffer hadn't
+been allocated before (i.e. the `struct strbuf` was set to `STRBUF_INIT`),
+then they will free() it.
 
 `strbuf_addch`::
 
@@ -235,6 +237,11 @@ same behaviour as well.
        Read the contents of a file, specified by its path. The third argument
        can be used to give a hint about the file size, to avoid reallocs.
 
+`strbuf_readlink`::
+
+       Read the target of a symbolic link, specified by its path.  The third
+       argument can be used to give a hint about the size, to avoid reallocs.
+
 `strbuf_getline`::
 
        Read a line from a FILE* pointer. The second argument specifies the line