724         size_t f, l, l_separator;  in strextend_with_separator_internal()  local
734         l_separator = strlen_ptr(separator);  in strextend_with_separator_internal()
748                         n += l_separator;  in strextend_with_separator_internal()
794         size_t m, a, l_separator;  in strextendf_with_separator()  local
805         l_separator = isempty(*x) ? 0 : strlen_ptr(separator);  in strextendf_with_separator()
815 …if (a - m < 17 + l_separator) { /* if there's less than 16 chars space, then enlarge the buffer fi…  in strextendf_with_separator()
818                 if (_unlikely_(l_separator > SIZE_MAX - 64)) /* overflow check #1 */  in strextendf_with_separator()
820                 if (_unlikely_(m > SIZE_MAX - 64 - l_separator)) /* overflow check #2 */  in strextendf_with_separator()
823                 n = realloc(*x, m + 64 + l_separator);  in strextendf_with_separator()
832         memcpy_safe(*x + m, separator, l_separator);  in strextendf_with_separator()
834         l = vsnprintf(*x + m + l_separator, a - m - l_separator, format, ap);  in strextendf_with_separator()
839         if ((size_t) l < a - m - l_separator) {  in strextendf_with_separator()
845                 n = realloc(*x, m + (size_t) l + l_separator + 1);  in strextendf_with_separator()
853                 if (_unlikely_((size_t) l > SIZE_MAX - (l_separator + 1))) /* overflow check #1 */  in strextendf_with_separator()
855 …             if (_unlikely_(m > SIZE_MAX - ((size_t) l + l_separator + 1))) /* overflow check #2 */  in strextendf_with_separator()
858                 a = m + (size_t) l + l_separator + 1;  in strextendf_with_separator()
865                 l = vsnprintf(*x + m + l_separator, a - m - l_separator, format, ap);  in strextendf_with_separator()
868                 assert((size_t) l < a - m - l_separator);  in strextendf_with_separator()