# HG changeset patch
# User John Tsiombikas <nuclear@member.fsf.org>
# Date 1431059161 -10800
# Node ID 36936815cc9273bba4774ba7e28132ae671ec2a4
# Parent  c1323f9f202d23140187af34da0cb51993f4a5a8
foo

diff -r c1323f9f202d -r 36936815cc92 include/datapath.h
--- a/include/datapath.h	Tue May 05 05:51:56 2015 +0300
+++ b/include/datapath.h	Fri May 08 07:26:01 2015 +0300
@@ -10,7 +10,7 @@
 	SYSU_CURRENT_DIR	/* current working directory */
 };
 
-const char *sysu_get_directory(enum sysu_dir_type type);
+int sysu_get_directory(enum sysu_dir_type type, char *buf, int sz);
 
 /* Writes the path to outpath, and returns the size of the path in bytes.
  * Call with len <= 0 and outpath == NULL to return required storage
diff -r c1323f9f202d -r 36936815cc92 src/datapath.c
--- a/src/datapath.c	Tue May 05 05:51:56 2015 +0300
+++ b/src/datapath.c	Fri May 08 07:26:01 2015 +0300
@@ -1,5 +1,6 @@
 #include "datapath.h"
 
-const char *sysu_get_directory(enum sysu_dir_type type)
+int sysu_get_directory(enum sysu_dir_type type, char *buf, int sz)
 {
+	return sysu_impl_getdir(type, buf, sz);
 }
diff -r c1323f9f202d -r 36936815cc92 src/datapath_unix.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/datapath_unix.c	Fri May 08 07:26:01 2015 +0300
@@ -0,0 +1,58 @@
+#ifdef __unix__
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <pwd.h>
+#include "datapath.h"
+#include "sysu_impl.h"
+
+int sysu_impl_getdir(enum sysu_dir_type type, char *buf, int sz)
+{
+	switch(type) {
+	case SYSU_DATA_DIR:
+		if(sysu_state.appname && sysu_state.prefix) {
+			return snprintf(buf, sz, "%s/share/%s", sysu_state.prefix, sysu_state.appname);
+		}
+		break;
+
+	case SYSU_STORAGE_DIR:
+	case SYSU_CONFIG_DIR:
+		if(sysu_state.appname) {
+			int homelen = sysu_impl_getdir(SYSU_HOME_DIR, buf, sz);
+			return homelen + snprintf(buf + homelen, sz - homelen, "/.config/%s", sysu_state.appname);
+		}
+		break;
+
+	case SYSU_TMP_DIR:
+		strncpy(buf, "/tmp", sz - 1);
+		return 4;
+
+	case SYSU_HOME_DIR:
+		{
+			struct passwd pwd, *res;
+			char tmp[512], *home;
+			getpwuid_r(getuid(), &pwd, tmp, sizeof tmp, &res);
+			if(res) {
+				home = pwd.pw_dir;
+			} else {
+				home = getenv("HOME");
+			}
+			if(home) {
+				strncpy(buf, home, sz - 1);
+				return strlen(buf);
+			}
+		}
+		break;
+
+	case SYSU_CURRENT_DIR:
+		return strlen(getcwd(buf, sz));
+	}
+
+	/* failed, return an empty path */
+	*buf = 0;
+	return 0;
+}
+
+#endif