405 discard_confusing_lines (filevec)  in discard_confusing_lines()  argument
406      struct file_data filevec[];  in discard_confusing_lines()
414   p = (int *) xmalloc ((filevec[0].buffered_lines + filevec[1].buffered_lines)
418       filevec[f].undiscarded = p;  p += filevec[f].buffered_lines;
419       filevec[f].realindexes = p;  p += filevec[f].buffered_lines;
425   p = (int *) xmalloc (filevec[0].equiv_max * (2 * sizeof (int)));
427   equiv_count[1] = p + filevec[0].equiv_max;
428   bzero (p, filevec[0].equiv_max * (2 * sizeof (int)));
430   for (i = 0; i < filevec[0].buffered_lines; ++i)
431     ++equiv_count[0][filevec[0].equivs[i]];
432   for (i = 0; i < filevec[1].buffered_lines; ++i)
433     ++equiv_count[1][filevec[1].equivs[i]];
438 			  * (filevec[0].buffered_lines
439 			     + filevec[1].buffered_lines));
440   discarded[1] = discarded[0] + filevec[0].buffered_lines;
441   bzero (discarded[0], sizeof (char) * (filevec[0].buffered_lines
442 					+ filevec[1].buffered_lines));
449       unsigned int end = filevec[f].buffered_lines;
452       int *equivs = filevec[f].equivs;
480       unsigned int end = filevec[f].buffered_lines;
590       unsigned int end = filevec[f].buffered_lines;
595 	    filevec[f].undiscarded[j] = filevec[f].equivs[i];
596 	    filevec[f].realindexes[j++] = i;
599 	  filevec[f].changed_flag[i] = 1;
600       filevec[f].nondiscarded_lines = j;
620 shift_boundaries (filevec)  in shift_boundaries()  argument
621      struct file_data filevec[];  in shift_boundaries()
630       char *changed = filevec[f].changed_flag;
631       char const *other_changed = filevec[1-f].changed_flag;
632       int const *equivs = filevec[f].equivs;
635       int i_end = filevec[f].buffered_lines;
747 build_reverse_script (filevec)  in build_reverse_script()  argument
748      struct file_data const filevec[];  in build_reverse_script()
751   char *changed0 = filevec[0].changed_flag;
752   char *changed1 = filevec[1].changed_flag;
753   int len0 = filevec[0].buffered_lines;
754   int len1 = filevec[1].buffered_lines;
785 build_script (filevec)  in build_script()  argument
786      struct file_data const filevec[];  in build_script()
789   char *changed0 = filevec[0].changed_flag;
790   char *changed1 = filevec[1].changed_flag;
791   int i0 = filevec[0].buffered_lines, i1 = filevec[1].buffered_lines;
818 briefly_report (changes, filevec)  in briefly_report()  argument
820      struct file_data const filevec[];
825 	     filevec[0].name, filevec[1].name);
831 diff_2_files (filevec, depth)  in diff_2_files()  argument
832      struct file_data filevec[];  in diff_2_files()
848   if (read_files (filevec, no_details_flag & ~ignore_some_changes))
851       if (filevec[0].stat.st_size != filevec[1].stat.st_size
852 	  && (filevec[0].desc < 0 || S_ISREG (filevec[0].stat.st_mode))
853 	  && (filevec[1].desc < 0 || S_ISREG (filevec[1].stat.st_mode)))
857       else if (filevec[0].desc == filevec[1].desc)
864 	  size_t buffer_size = buffer_lcm (STAT_BLOCKSIZE (filevec[0].stat),
865 					   STAT_BLOCKSIZE (filevec[1].stat));
867 	    filevec[i].buffer = xrealloc (filevec[i].buffer, buffer_size);
869 	  for (;;  filevec[0].buffered_chars = filevec[1].buffered_chars = 0)
873 		if (0 <= filevec[i].desc)
874 		  while (filevec[i].buffered_chars != buffer_size)
876 		      int r = read (filevec[i].desc,
877 				    filevec[i].buffer
878 				    + filevec[i].buffered_chars,
879 				    buffer_size - filevec[i].buffered_chars);
883 			pfatal_with_name (filevec[i].name);
884 		      filevec[i].buffered_chars += r;
888 	      if (filevec[0].buffered_chars != filevec[1].buffered_chars
889 		  || (filevec[0].buffered_chars != 0
890 		      && memcmp (filevec[0].buffer,
891 				 filevec[1].buffer,
892 				 filevec[0].buffered_chars) != 0))
899 	      if (filevec[0].buffered_chars != buffer_size)
907       briefly_report (changes, filevec);
916       size_t s = filevec[0].buffered_lines + filevec[1].buffered_lines + 4;
917       filevec[0].changed_flag = xmalloc (s);
918       bzero (filevec[0].changed_flag, s);
919       filevec[0].changed_flag++;
920       filevec[1].changed_flag = filevec[0].changed_flag
921 				+ filevec[0].buffered_lines + 2;
927       discard_confusing_lines (filevec);
932       xvec = filevec[0].undiscarded;
933       yvec = filevec[1].undiscarded;
934       diags = filevec[0].nondiscarded_lines + filevec[1].nondiscarded_lines + 3;
937       fdiag += filevec[1].nondiscarded_lines + 1;
938       bdiag += filevec[1].nondiscarded_lines + 1;
943       for (i = filevec[0].nondiscarded_lines + filevec[1].nondiscarded_lines;
948       files[0] = filevec[0];
949       files[1] = filevec[1];
951       compareseq (0, filevec[0].nondiscarded_lines,
952 		  0, filevec[1].nondiscarded_lines, no_discards);
954       free (fdiag - (filevec[1].nondiscarded_lines + 1));
959       shift_boundaries (filevec);
965 	script = build_reverse_script (filevec);
967 	script = build_script (filevec);
1005 	briefly_report (changes, filevec);
1052       free (filevec[0].undiscarded);
1054       free (filevec[0].changed_flag - 1);
1057 	free (filevec[i].equivs);
1060 	free (filevec[i].linbuf + filevec[i].linbuf_base);
1070 	  if (filevec[i].missing_newline)
1072 	      diff_error ("No newline at end of file %s", filevec[i].name, "");
1077   if (filevec[0].buffer != filevec[1].buffer)
1078     free (filevec[0].buffer);
1079   free (filevec[1].buffer);