argvSizeDiff      522 util_exec.cpp    size_t argvSizeDiff = originalArgvEnvSize - newArgvEnvSize;
argvSizeDiff      523 util_exec.cpp    if (argvSizeDiff > 0) {
argvSizeDiff      524 util_exec.cpp      dummyEnviron = (char*) malloc(argvSizeDiff);
argvSizeDiff      525 util_exec.cpp      memset(dummyEnviron, '0', argvSizeDiff - 1 );
argvSizeDiff      529 util_exec.cpp      dummyEnviron[argvSizeDiff - 1] = '\0';
argvSizeDiff      534 util_exec.cpp      (newArgsSize) (newEnvSize) (argvSize) (envSize) (argvSizeDiff);