make it build on Mac OS X with macports

Signed-off-by: Michael Krelin <hacker@klever.net>

2 files changed, 23 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 3ca0b4e..fbf373b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -11,4 +11,8 @@ AC_PROG_LIBTOOL
 PKG_PROG_PKG_CONFIG
 
+onegetcwd=false
+AC_CHECK_FUNCS([get_current_dir_name getcwd],[onegetcwd=true;break])
+$onegetcwd || AC_MSG_ERROR([no function to get current directory found. weird.])
+
 AC_HEADER_STDC
 
diff --git a/src/db.cc b/src/db.cc
index d1e0a85..9ae5f8f 100644
--- a/src/db.cc
+++ b/src/db.cc
@@ -18,4 +18,5 @@ namespace napkin {
             datadir += "/."PACKAGE_NAME"/";
         }else{
+#if defined(HAVE_GET_CURRENT_DIR_NAME)
             char *cwd = get_current_dir_name();
             if(!cwd)
@@ -23,4 +24,22 @@ namespace napkin {
             datadir = cwd;
             free(cwd);
+#elif defined(HAVE_GETCWD)
+            {
+                char cwd[
+# if defined(MAXPATH)
+                    MAXPATH
+# elif defined(MAXPATHLEN)
+                    MAXPATHLEN
+# else /* maxpath */
+                    512
+#endif /* maxpath */
+                ];
+                if(!getcwd(cwd,sizeof(cwd)))
+                    throw napkin::exception("failed to getcwd()");
+                datadir = cwd;
+            }
+#else /* get cwd */
+# error dunno how to get current workdir
+#endif /* get cwd */
             datadir += "/."PACKAGE_NAME"/";
         }