912     char *walk = out;  in buffer_path_simplify()  local
913     if (__builtin_expect( (*walk == '/'), 1)) {  in buffer_path_simplify()
917             if (*++walk == '.' || *walk == '/')  in buffer_path_simplify()
919             do { ++walk; } while (*walk != '/');  in buffer_path_simplify()
920         } while (walk != end);  in buffer_path_simplify()
921         if (__builtin_expect( (walk == end), 1)) {  in buffer_path_simplify()
926         out = walk-1;  in buffer_path_simplify()
929         if (walk[0] == '.' && walk[1] == '/')  in buffer_path_simplify()
930             *out = *++walk;  in buffer_path_simplify()
931         else if (walk[0] == '.' && walk[1] == '.' && walk[2] == '/')  in buffer_path_simplify()
932             *out = *(walk += 2);  in buffer_path_simplify()
934             while (*++walk != '/') ;  in buffer_path_simplify()
935             out = walk;  in buffer_path_simplify()
937         ++walk;  in buffer_path_simplify()
940     while (walk <= end) {  in buffer_path_simplify()
942         if (__builtin_expect( (walk[0] == '/'), 0)) {  in buffer_path_simplify()
944             if (++walk < end)  in buffer_path_simplify()
951         else if (__builtin_expect( (walk[0] == '.'), 0)) {  in buffer_path_simplify()
953             if (walk[1] == '.' && walk[2] == '/') {  in buffer_path_simplify()
957                 if ((walk += 3) >= end) {  in buffer_path_simplify()
964             else if (walk[1] == '/') {  in buffer_path_simplify()
966                 if ((walk += 2) >= end) {  in buffer_path_simplify()
975                 ++walk;  in buffer_path_simplify()
979         while ((*++out = *walk++) != '/') ;  in buffer_path_simplify()