build/libgnuregex/regex.c

270            the range 0 to one less than the pattern buffer's re_nsub
279            number, in the range 0 to one less than `re_nsub' in the
833     "Invalid range end",			/* REG_ERANGE */
1408                 /* Look ahead to see if it's a range when the last thing
1413                 /* Look ahead to see if it's a range when the last thing
1415                    beginning or the end of a list, then it's the range
2192 /* Read the ending character of a range (in a bracket expression) from the
2220      is set, the range endpoints will be negative if we fetch using a
2232   /* If the start is after the end, the range is empty.  */
2237      char' -- the range is inclusive, so if `range_end' == 0xff
2852 re_search (bufp, string, size, startpos, range, regs)
2855      int size, startpos, range;
2858   return re_search_2 (bufp, NULL, 0, string, size, startpos, range,
2885 re_search_2 (bufp, string1, size1, string2, size2, startpos, range, regs, stop)
2890      int range;
2898   int endpos = startpos + range;
2900   /* Check for out-of-range STARTPOS.  */
2907     range = -1 - startpos;
2909     range = total_size - startpos;
2913   if (bufp->used > 0 && (re_opcode_t) bufp->buffer[0] == begbuf && range > 0)
2918 	range = 1;
2935 	  if (range > 0)	/* Searching forwards.  */
2939 	      int irange = range;
2941               if (startpos < size1 && startpos + range >= size1)
2942                 lim = range - (size1 - startpos);
2949                 while (range > lim
2952                   range--;
2954                 while (range > lim && !fastmap[(unsigned char) *d++])
2955                   range--;
2957 	      startpos += irange - range;
2971       if (range >= 0 && startpos == total_size && fastmap
2984       if (!range)
2986       else if (range > 0)
2988           range--;
2993           range++;
4859                    /* start: */ 0, /* range: */ len,