[llvm-commits] [PATCH] Have ReExec read environment from /proc/self/environ

[Reid Kleckner]

================
Comment at: lib/sanitizer_common/sanitizer_linux.cc:204
@@ -203,5 +203,3 @@
 
-void ReExec() {
-  static const int kMaxArgv = 100;
-  InternalScopedBuffer<char*> argv(kMaxArgv + 1);
-  static char *buff;
+static void ReadNullSepFileToArray(const char *path, char ***arr, int arr_size){
+  char *buff;
----------------
Isn't /proc unavailable in many contexts, like chroots?  I believe function pointers in preinit_array receive argc, argv, and envp as arguments, which are forwarded straight from what the kernel put on the stack.  You may be able to use that instead.


http://llvm-reviews.chandlerc.com/D304