* 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`::
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