diff options
| -rw-r--r-- | include/llvm/System/Path.h | 5 | ||||
| -rw-r--r-- | lib/System/Unix/Path.inc | 8 | ||||
| -rw-r--r-- | lib/System/Win32/Path.inc | 14 |
3 files changed, 27 insertions, 0 deletions
diff --git a/include/llvm/System/Path.h b/include/llvm/System/Path.h index de2f173ae4..05be221275 100644 --- a/include/llvm/System/Path.h +++ b/include/llvm/System/Path.h @@ -309,6 +309,11 @@ namespace sys { /// @brief Determine if the path is absolute. bool isAbsolute() const; + /// This function determines if the path name is absolute, as opposed to + /// relative. + /// @brief Determine if the path is absolute. + static bool isAbsolute(const char *NameStart, unsigned NameLen); + /// This function opens the file associated with the path name provided by /// the Path object and reads its magic number. If the magic number at the /// start of the file matches \p magic, true is returned. In all other diff --git a/lib/System/Unix/Path.inc b/lib/System/Unix/Path.inc index d5edee1b03..1f73571cf1 100644 --- a/lib/System/Unix/Path.inc +++ b/lib/System/Unix/Path.inc @@ -104,6 +104,14 @@ Path::isValid() const { } bool +Path::isAbsolute(const char *NameStart, unsigned NameLen) { + assert(NameStart); + if (NameLen == 0) + return false; + return NameStart[0] == '/'; +} + +bool Path::isAbsolute() const { if (path.empty()) return false; diff --git a/lib/System/Win32/Path.inc b/lib/System/Win32/Path.inc index fbf8f6688a..62da3a34c4 100644 --- a/lib/System/Win32/Path.inc +++ b/lib/System/Win32/Path.inc @@ -125,6 +125,20 @@ Path::isValid() const { return true; } +bool +Path::isAbsolute(const char *NameStart, unsigned NameLen) { + assert(NameStart); + switch (NameLen) { + case 0: + return false; + case 1: + case 2: + return NameStart[0] == '/'; + default: + return NameStart[0] == '/' || (NameStart[1] == ':' && NameStart[2] == '/'); + } +} + bool Path::isAbsolute() const { switch (path.length()) { |