realpath'ize all source mount points. closes #117

src/fs.cpp

@@ -29,6 +29,8 @@
 #include <cstdlib>
 #include <iterator>
 
+#include <stdlib.h>
+#include <limits.h>
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -510,4 +512,20 @@ namespace fs
 
     globfree(&gbuf);
   }
+
+  void
+  realpathize(vector<string> &strs)
+  {
+    char *rv;
+    char buf[PATH_MAX];
+
+    for(size_t i = 0; i < strs.size(); i++)
+      {
+        rv = ::realpath(strs[i].c_str(),buf);
+        if(rv == NULL)
+          continue;
+
+        strs[i] = buf;
+      }
+  }
 };

src/fs.hpp

@@ -122,6 +122,8 @@ namespace fs
 
   void glob(const vector<string> &patterns,
             vector<string>       &strs);
+
+  void realpathize(vector<string> &strs);
 };
 
 #endif // __FS_HPP__

src/option_parser.cpp

@@ -200,6 +200,8 @@ process_srcmounts(const char *arg,
 
   fs::glob(paths,config.srcmounts);
 
+  fs::realpathize(config.srcmounts);
+
   return 0;
 }
 

src/setxattr.cpp

@@ -59,6 +59,7 @@ _add_srcmounts(vector<string>           &srcmounts,
 
   str::split(patterns,values,':');
   fs::glob(patterns,additions);
+  fs::realpathize(additions);
 
   if(!additions.empty())
     {
@@ -106,6 +107,7 @@ _replace_srcmounts(vector<string>   &srcmounts,
 
   str::split(patterns,values,':');
   fs::glob(patterns,newmounts);
+  fs::realpathize(newmounts);
 
   {
     const rwlock::WriteGuard wrg(&srcmountslock);