From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 27 Aug 2006 10:51:38 +0000 (+0000)
Subject: Add Path::empty()
X-Git-Tag: fs-1.0~22
X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=commitdiff_plain;h=4cc2d6ced17e8cbe1ae3251069131d22a292b857;hp=e5f6f4e42a73330b2ec0d88f8013cecd03ec3bc0

Add Path::empty()
begin()==end() for an empty path
---

diff --git a/source/path.cpp b/source/path.cpp
index 9996137..1a9460a 100644
--- a/source/path.cpp
+++ b/source/path.cpp
@@ -141,10 +141,12 @@ Path::iterator::iterator(const Path &p):
 	path(p),
 	start(0)
 {
-	if(path.path[0]==DIRCHAR)
+	if(path.path.empty())
+		start=end=string::npos;
+	else if(path.path[0]==DIRCHAR)
 		end=1;
 #ifdef WIN32
-	else if(path.path[2]==DIRCHAR && is_windows_drive(path.path.substr(0,2)))
+	else if(path.path.size()>2 && path.path[2]==DIRCHAR && is_windows_drive(path.path.substr(0,2)))
 		end=2;
 #endif
 	else
diff --git a/source/path.h b/source/path.h
index f523622..9e1e374 100644
--- a/source/path.h
+++ b/source/path.h
@@ -45,7 +45,8 @@ public:
 	Path(const std::string &p)     { init(p); }
 	Path(const char *p)            { init(p); }
 	const std::string &str() const { return path; }
-	unsigned  size() const;
+	unsigned    size() const;
+	bool        empty() const { return path.empty(); }
 	bool        is_absolute() const;
 	Path        subpath(unsigned, unsigned =(unsigned)-1) const;
 	Path        operator/(const Path &p) const { Path a=*this; a/=p; return a; }