diff options
Diffstat (limited to 'lib/System/Unix/Path.inc')
| -rw-r--r-- | lib/System/Unix/Path.inc | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/System/Unix/Path.inc b/lib/System/Unix/Path.inc index c8bdd088c3..8e76b543ff 100644 --- a/lib/System/Unix/Path.inc +++ b/lib/System/Unix/Path.inc @@ -47,6 +47,10 @@ # endif #endif +#if HAVE_DLFCN_H +#include <dlfcn.h> +#endif + // Put in a hack for Cygwin which falsely reports that the mkdtemp function // is available when it is not. #ifdef __CYGWIN__ @@ -244,6 +248,20 @@ Path::GetCurrentDirectory() { return Path(pathname); } +/// GetMainExecutable - Return the path to the main executable, given the +/// value of argv[0] from program startup. +Path Path::GetMainExecutable(const char *argv0, void *MainAddr) { + // Use dladdr to get executable path if available. +#ifdef HAVE_DLFCN_H + Dl_info DLInfo; + int err = dladdr(MainAddr, &DLInfo); + if (err != 0) + return Path(std::string(DLInfo.dli_fname)); +#endif + return Path(); +} + + std::string Path::getBasename() const { // Find the last slash |