#ifndef ____call_h__
#define ____call_h__

#include "Tag.h"
#include <vector>

namespace jet {

   class __call : public Tag {

    public:
      __call(coreutils::ZString &in, coreutils::MString &parentOut, Global &global, Tag *parent, Tag *local);

    private:
      int pid;
      int status;
      int ix;
      int fdi[2];
      int fdo[2];
      int rc;
      char *argv[50];

      // Owns the actual character storage argv[] points into. Resolved
      // MStrings used to be created as unnamed temporaries with only
      // their .c_str() pointer kept (argv[ix] = resolveKeyword(arg)
      // .c_str()) - the temporary is destroyed at the end of that same
      // statement, so argv[ix] was a dangling pointer from that point
      // on, read only much later by execvpe() in the forked child.
      // Undefined behavior - confirmed via a real repro: two sequential
      // <call> tags (date, then cp using date's own captured output)
      // corrupted each other's arguments, producing a "cp" invocation
      // that actually ran /bin/date with garbage arguments instead.
      // Reserved to its final size up front (see the constructor) so no
      // push_back can reallocate and invalidate a c_str() pointer
      // already stored in argv[] earlier in the same construction.
      std::vector<coreutils::MString> argStrings;

   };

}

#endif