utils os: Add sdb_realpath().

[sysdb.git] / src / utils / os.c

diff --git a/src/utils/os.c b/src/utils/os.c
index e975f96e743b6510102426d6450dbe9270690e1c..c94e271be545dfe1bf51ec70d34887fc73ff3a19 100644 (file)
--- a/src/utils/os.c
+++ b/src/utils/os.c
@@ -84,6 +84,29 @@ sdb_get_homedir(void)
        return strdup(result->pw_dir);
 } /* sdb_get_homedir */
 
+char *
+sdb_realpath(const char *path)
+{
+       if (! path)
+               return NULL;
+
+       if ((strlen(path) >= 2) && (path[0] == '~') && (path[1] == '/')) {
+               char *homedir = sdb_get_homedir();
+               char tmp[(homedir ? strlen(homedir) : 0) + strlen(path)];
+               char *ret;
+
+               if (! homedir)
+                       return NULL;
+
+               snprintf(tmp, sizeof(tmp), "%s/%s", homedir, path + 2);
+               ret = realpath(tmp, NULL);
+               free(homedir);
+               return ret;
+       }
+
+       return realpath(path, NULL);
+} /* sdb_realpath */
+
 int
 sdb_mkdir_all(const char *pathname, mode_t mode)
 {