===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/tmux/format.c,v
retrieving revision 1.264
retrieving revision 1.265
diff -c -r1.264 -r1.265
*** src/usr.bin/tmux/format.c	2020/10/06 07:36:42	1.264
--- src/usr.bin/tmux/format.c	2020/11/02 08:21:30	1.265
***************
*** 1,4 ****
! /* $OpenBSD: format.c,v 1.264 2020/10/06 07:36:42 nicm Exp $ */
  
  /*
   * Copyright (c) 2011 Nicholas Marriott <nicholas.marriott@gmail.com>
--- 1,4 ----
! /* $OpenBSD: format.c,v 1.265 2020/11/02 08:21:30 nicm Exp $ */
  
  /*
   * Copyright (c) 2011 Nicholas Marriott <nicholas.marriott@gmail.com>
***************
*** 1984,1990 ****
  	int			 use_fp = 0;
  	u_int			 prec = 0;
  	double			 mleft, mright, result;
! 	enum { ADD, SUBTRACT, MULTIPLY, DIVIDE, MODULUS } operator;
  
  	if (strcmp(mexp->argv[0], "+") == 0)
  		operator = ADD;
--- 1984,2000 ----
  	int			 use_fp = 0;
  	u_int			 prec = 0;
  	double			 mleft, mright, result;
! 	enum { ADD,
! 	       SUBTRACT,
! 	       MULTIPLY,
! 	       DIVIDE,
! 	       MODULUS,
! 	       EQUAL,
! 	       NOT_EQUAL,
! 	       GREATER_THAN,
! 	       GREATER_THAN_EQUAL,
! 	       LESS_THAN,
! 	       LESS_THAN_EQUAL } operator;
  
  	if (strcmp(mexp->argv[0], "+") == 0)
  		operator = ADD;
***************
*** 1997,2002 ****
--- 2007,2024 ----
  	else if (strcmp(mexp->argv[0], "%") == 0 ||
  	    strcmp(mexp->argv[0], "m") == 0)
  		operator = MODULUS;
+ 	else if (strcmp(mexp->argv[0], "==") == 0)
+ 		operator = EQUAL;
+ 	else if (strcmp(mexp->argv[0], "!=") == 0)
+ 		operator = NOT_EQUAL;
+ 	else if (strcmp(mexp->argv[0], ">") == 0)
+ 		operator = GREATER_THAN;
+ 	else if (strcmp(mexp->argv[0], "<") == 0)
+ 		operator = LESS_THAN;
+ 	else if (strcmp(mexp->argv[0], ">=") == 0)
+ 		operator = GREATER_THAN_EQUAL;
+ 	else if (strcmp(mexp->argv[0], "<=") == 0)
+ 		operator = LESS_THAN_EQUAL;
  	else {
  		format_log(es, "expression has no valid operator: '%s'",
  		    mexp->argv[0]);
***************
*** 2058,2063 ****
--- 2080,2103 ----
  		break;
  	case MODULUS:
  		result = fmod(mleft, mright);
+ 		break;
+ 	case EQUAL:
+ 		result = fabs(mleft - mright) < 1e-9;
+ 		break;
+ 	case NOT_EQUAL:
+ 		result = fabs(mleft - mright) > 1e-9;
+ 		break;
+ 	case GREATER_THAN:
+ 		result = (mleft > mright);
+ 		break;
+ 	case GREATER_THAN_EQUAL:
+ 		result = (mleft >= mright);
+ 		break;
+ 	case LESS_THAN:
+ 		result = (mleft < mright);
+ 		break;
+ 	case LESS_THAN_EQUAL:
+ 		result = (mleft > mright);
  		break;
  	}
  	if (use_fp)