Did fix that - changing function call to GNU style and "suffix_from_env" to local variable. The corresponding patch is attached. On Mon, Apr 4, 2016 at 10:36 PM, Paul Eggert wrote: > On 04/04/2016 09:30 AM, Rishabh Dave wrote: > >> + char *suffix_from_env; >> size_t ssize; >> bool simple = true; >> + >> + /* If simple_backup_suffix is '~', check environment if we have any >> there. */ >> + if (strcmp(simple_backup_suffix, "~") == 0) >> + if ((suffix_from_env = getenv("SIMPLE_BACKUP_SUFFIX")) != NULL) >> + simple_backup_suffix = xstrdup (suffix_from_env); >> + >> > > The usual GNU style is "f (x)" rather than "f(x)" for function calls. > Also, avoid side effects in an "if"; just have the then-part with a local > variable "suffix_from_env" and put the subsidary if after that. >