[Development] Introduce gethomedir() function to retrieve home directory path.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4176 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/os/CMakeLists.txt b/common/os/CMakeLists.txt
index bbeec50..77ff363 100644
--- a/common/os/CMakeLists.txt
+++ b/common/os/CMakeLists.txt
@@ -2,4 +2,5 @@
add_library(os STATIC
print.c
- net.c)
+ net.c
+ os.cxx)
diff --git a/common/os/Makefile.am b/common/os/Makefile.am
index ed98579..d87a0da 100644
--- a/common/os/Makefile.am
+++ b/common/os/Makefile.am
@@ -1,8 +1,8 @@
noinst_LTLIBRARIES = libos.la
-HDRS = net.h print.h
+HDRS = net.h print.h os.h
-libos_la_SOURCES = $(HDRS) print.c net.c
+libos_la_SOURCES = $(HDRS) print.c net.c os.cxx
libos_la_CPPFLAGS = -I$(top_srcdir)/common
diff --git a/common/os/os.cxx b/common/os/os.cxx
new file mode 100644
index 0000000..8d24875
--- /dev/null
+++ b/common/os/os.cxx
@@ -0,0 +1,64 @@
+/* Copyright (C) 2010 TightVNC Team. All Rights Reserved.
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <os/os.h>
+
+#include <assert.h>
+#include <pwd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+int gethomedir(char **dirp)
+{
+ char *homedir, *dir;
+ size_t len;
+ uid_t uid;
+ struct passwd *passwd;
+
+ assert(dirp != NULL && *dirp == NULL);
+
+#ifdef WIN32
+ /* Not supported, yet */
+ return -1;
+#endif
+
+ homedir = getenv("HOME");
+ if (homedir == NULL) {
+ uid = getuid();
+ passwd = getpwuid(uid);
+ if (passwd == NULL) {
+ /* Do we want emit error msg here? */
+ return -1;
+ }
+ homedir = passwd->pw_dir;
+ }
+
+ len = strlen(homedir) + 1;
+ dir = new char[len];
+ memcpy(dir, homedir, len);
+
+ *dirp = dir;
+ return 0;
+}
+
diff --git a/common/os/os.h b/common/os/os.h
new file mode 100644
index 0000000..fce21de
--- /dev/null
+++ b/common/os/os.h
@@ -0,0 +1,36 @@
+/* Copyright (C) 2010 TightVNC Team. All Rights Reserved.
+ *
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+#ifndef OS_OS_H
+#define OS_OS_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+/*
+ * Get home directory. If HOME environment variable is set then it is returned.
+ * Otherwise home directory is obtained via getpwuid function.
+ *
+ * Returns:
+ * 0 - Success
+ * -1 - Failure
+ */
+int gethomedir(char **dirp);
+
+#endif /* OS_OS_H */