407 discard_confusing_lines (filevec)  in discard_confusing_lines()  argument
408      struct file_data filevec[];  in discard_confusing_lines()
416   p = (int *) xmalloc ((filevec[0].buffered_lines + filevec[1].buffered_lines)
420       filevec[f].undiscarded = p;  p += filevec[f].buffered_lines;
421       filevec[f].realindexes = p;  p += filevec[f].buffered_lines;
427   p = (int *) xmalloc (filevec[0].equiv_max * (2 * sizeof (int)));
429   equiv_count[1] = p + filevec[0].equiv_max;
430   bzero (p, filevec[0].equiv_max * (2 * sizeof (int)));
432   for (i = 0; i < filevec[0].buffered_lines; ++i)
433     ++equiv_count[0][filevec[0].equivs[i]];
434   for (i = 0; i < filevec[1].buffered_lines; ++i)
435     ++equiv_count[1][filevec[1].equivs[i]];
440 			  * (filevec[0].buffered_lines
441 			     + filevec[1].buffered_lines));
442   discarded[1] = discarded[0] + filevec[0].buffered_lines;
443   bzero (discarded[0], sizeof (char) * (filevec[0].buffered_lines
444 					+ filevec[1].buffered_lines));
451       unsigned int end = filevec[f].buffered_lines;
454       int *equivs = filevec[f].equivs;
482       unsigned int end = filevec[f].buffered_lines;
592       unsigned int end = filevec[f].buffered_lines;
597 	    filevec[f].undiscarded[j] = filevec[f].equivs[i];
598 	    filevec[f].realindexes[j++] = i;
601 	  filevec[f].changed_flag[i] = 1;
602       filevec[f].nondiscarded_lines = j;
622 shift_boundaries (filevec)  in shift_boundaries()  argument
623      struct file_data filevec[];  in shift_boundaries()
632       char *changed = filevec[f].changed_flag;
633       char const *other_changed = filevec[1-f].changed_flag;
634       int const *equivs = filevec[f].equivs;
637       int i_end = filevec[f].buffered_lines;
749 build_reverse_script (filevec)  in build_reverse_script()  argument
750      struct file_data const filevec[];  in build_reverse_script()
753   char *changed0 = filevec[0].changed_flag;
754   char *changed1 = filevec[1].changed_flag;
755   int len0 = filevec[0].buffered_lines;
756   int len1 = filevec[1].buffered_lines;
787 build_script (filevec)  in build_script()  argument
788      struct file_data const filevec[];  in build_script()
791   char *changed0 = filevec[0].changed_flag;
792   char *changed1 = filevec[1].changed_flag;
793   int i0 = filevec[0].buffered_lines, i1 = filevec[1].buffered_lines;
820 briefly_report (changes, filevec)  in briefly_report()  argument
822      struct file_data const filevec[];
827 	     filevec[0].name, filevec[1].name);
833 diff_2_files (filevec, depth)  in diff_2_files()  argument
834      struct file_data filevec[];  in diff_2_files()
850   if (read_files (filevec, no_details_flag & ~ignore_some_changes))
853       if (filevec[0].stat.st_size != filevec[1].stat.st_size
854 	  && (filevec[0].desc < 0 || S_ISREG (filevec[0].stat.st_mode))
855 	  && (filevec[1].desc < 0 || S_ISREG (filevec[1].stat.st_mode)))
859       else if (filevec[0].desc == filevec[1].desc)
866 	  size_t buffer_size = buffer_lcm (STAT_BLOCKSIZE (filevec[0].stat),
867 					   STAT_BLOCKSIZE (filevec[1].stat));
869 	    filevec[i].buffer = xrealloc (filevec[i].buffer, buffer_size);
871 	  for (;;  filevec[0].buffered_chars = filevec[1].buffered_chars = 0)
875 		if (0 <= filevec[i].desc)
876 		  while (filevec[i].buffered_chars != buffer_size)
878 		      int r = read (filevec[i].desc,
879 				    filevec[i].buffer
880 				    + filevec[i].buffered_chars,
881 				    buffer_size - filevec[i].buffered_chars);
885 			pfatal_with_name (filevec[i].name);
886 		      filevec[i].buffered_chars += r;
890 	      if (filevec[0].buffered_chars != filevec[1].buffered_chars
891 		  || (filevec[0].buffered_chars != 0
892 		      && memcmp (filevec[0].buffer,
893 				 filevec[1].buffer,
894 				 filevec[0].buffered_chars) != 0))
901 	      if (filevec[0].buffered_chars != buffer_size)
909       briefly_report (changes, filevec);
918       size_t s = filevec[0].buffered_lines + filevec[1].buffered_lines + 4;
919       filevec[0].changed_flag = xmalloc (s);
920       bzero (filevec[0].changed_flag, s);
921       filevec[0].changed_flag++;
922       filevec[1].changed_flag = filevec[0].changed_flag
923 				+ filevec[0].buffered_lines + 2;
929       discard_confusing_lines (filevec);
934       xvec = filevec[0].undiscarded;
935       yvec = filevec[1].undiscarded;
936       diags = filevec[0].nondiscarded_lines + filevec[1].nondiscarded_lines + 3;
939       fdiag += filevec[1].nondiscarded_lines + 1;
940       bdiag += filevec[1].nondiscarded_lines + 1;
945       for (i = filevec[0].nondiscarded_lines + filevec[1].nondiscarded_lines;
950       files[0] = filevec[0];
951       files[1] = filevec[1];
953       compareseq (0, filevec[0].nondiscarded_lines,
954 		  0, filevec[1].nondiscarded_lines, no_discards);
956       free (fdiag - (filevec[1].nondiscarded_lines + 1));
961       shift_boundaries (filevec);
967 	script = build_reverse_script (filevec);
969 	script = build_script (filevec);
1007 	briefly_report (changes, filevec);
1054       free (filevec[0].undiscarded);
1056       free (filevec[0].changed_flag - 1);
1059 	free (filevec[i].equivs);
1062 	free (filevec[i].linbuf + filevec[i].linbuf_base);
1072 	  if (filevec[i].missing_newline)
1074 	      error ("No newline at end of file %s", filevec[i].name, "");
1079   if (filevec[0].buffer != filevec[1].buffer)
1080     free (filevec[0].buffer);
1081   free (filevec[1].buffer);