Security-57740.1.18.tar.gz

[apple/security.git] / OSX / libsecurity_utilities / lib / unix++.h

diff --git a/OSX/libsecurity_utilities/lib/unix++.h b/OSX/libsecurity_utilities/lib/unix++.h
index d6f4aa5a5972d796c0fcd94e9cfa0c8d35cde0d8..d51a6146227e14b3e773c51bf08b8d413c2fb4ff 100644 (file)
--- a/OSX/libsecurity_utilities/lib/unix++.h
+++ b/OSX/libsecurity_utilities/lib/unix++.h
@@ -36,6 +36,7 @@
 #include <sys/uio.h>
 #include <sys/stat.h>
 #include <sys/mman.h>
+#include <sys/xattr.h>
 #include <signal.h>
 #include <fcntl.h>
 #include <semaphore.h>
@@ -136,6 +137,8 @@ public:
        template <class Data>
        void writeAll(const Data &ds) { writeAll(ds.data(), ds.length()); }
     
+    void truncate(size_t offset);
+    
     // more convenient I/O
     template <class T> size_t read(T &obj) { return read(&obj, sizeof(obj)); }
     template <class T> size_t write(const T &obj) { return write(&obj, sizeof(obj)); }
@@ -201,14 +204,16 @@ public:
        ssize_t getAttr(const std::string &name, void *value, size_t length,
                u_int32_t position = 0, int options = 0)
        { return getAttr(name.c_str(), value, length, position, options); }
-       ssize_t getAttrLength(const char *name);
-       ssize_t getAttrLength(const std::string &name) { return getAttrLength(name.c_str()); }
+       ssize_t getAttrLength(const char *name, int options = 0);
+       ssize_t getAttrLength(const std::string &name, int options = 0) { return getAttrLength(name.c_str(), options); }
        // removeAttr ignore missing attributes. Pass XATTR_REPLACE to fail in that case
        void removeAttr(const char *name, int options = 0);
        void removeAttr(const std::string &name, int options = 0)
        { return removeAttr(name.c_str(), options); }
        size_t listAttr(char *value, size_t length, int options = 0);
        
+       bool hasExtendedAttribute(const char *forkname) const;
+       
        // xattrs with string values (not including trailing null bytes)
        void setAttr(const std::string &name, const std::string &value, int options = 0);
        std::string getAttr(const std::string &name, int options = 0);
@@ -250,6 +255,10 @@ protected:
 };
 
 
+bool filehasExtendedAttribute(const char *path, const char *forkname);
+inline bool filehasExtendedAttribute(const std::string& path, const char *forkname) { return filehasExtendedAttribute(path.c_str(), forkname); }
+
+
 //
 // A (plain) FileDesc that auto-closes
 //