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--- base/file.cpp.orig 2016-09-28 18:07:09 UTC
+++ base/file.cpp
@@ -18,6 +18,9 @@
#include <errno.h>
#include <fcntl.h>
+#include <limits.h> // PATH_MAX
+#include <stdio.h> // BUFSIZ
+#include <string.h> // strerror
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
@@ -34,6 +37,9 @@
#if defined(__APPLE__)
#include <mach-o/dyld.h>
#endif
+#if defined(__DragonFly__) || defined(__FreeBSD__)
+#include <sys/sysctl.h>
+#endif
#if defined(_WIN32)
#include <windows.h>
#endif
@@ -231,6 +237,17 @@ std::string GetExecutablePath() {
if (result == 0 || result == sizeof(path) - 1) return "";
path[PATH_MAX - 1] = 0;
return path;
+#elif defined(KERN_PROC_PATHNAME)
+ char path[PATH_MAX + 1];
+ size_t path_len = sizeof(path);
+ int mib[] = {
+ CTL_KERN,
+ KERN_PROC,
+ KERN_PROC_PATHNAME,
+ getpid()
+ };
+ int rc = sysctl(mib, arraysize(mib), path, &path_len, NULL, 0);
+ return rc ? "" : path;
#else
#error unknown OS
#endif
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