From 1d31d1bcffe0b282aaadca12dc83d2dd671b84f2 Mon Sep 17 00:00:00 2001
From: Jens Axboe <axboe@fb.com>
Date: Wed, 17 Dec 2014 13:27:32 -0700
Subject: [PATCH] parse: remove the arithmetic parser checking

Signed-off-by: Jens Axboe <axboe@fb.com>
---
 parse.c | 53 +----------------------------------------------------
 1 file changed, 1 insertion(+), 52 deletions(-)

diff --git a/parse.c b/parse.c
index ae87b1ed..e70ed20b 100644
--- a/parse.c
+++ b/parse.c
@@ -272,53 +272,6 @@ extern int evaluate_arithmetic_expression(const char *buffer, long long *ival,
 					  double *dval, double implied_units,
 					  int is_time);
 
-#ifdef CONFIG_ARITHMETIC
-/*
- * These two verification functions are just to gain confidence that
- * the arithmetic processing code is always getting the same answer as the
- * original number parsing code.  Once sufficiently sure that the arithmetic
- * code is always getting the right answers, these can be removed.
- */
-static void verify_exp_parser_float(const char *str, double implied_units, int is_time)
-{
-	long long ival;
-	double dval, tmpval;
-
-	if (sscanf(str, "%lf", &tmpval) != 1)
-		return;
-
-	if (evaluate_arithmetic_expression(str, &ival, &dval, implied_units, is_time) != 0) {
-		log_info("Arithmetic failed on '%s'\n", str);
-		return;
-	}
-	if (dval != tmpval) {
-		log_info("Arithmetic failed on: '%s' got %lf, expected %lf\n",
-				str, dval, tmpval);
-	}
-}
-
-static void verify_exp_parser_decimal(const char *str, long long val, int kilo, int is_seconds,
-				      int is_time)
-{
-	int rc;
-	long long ival;
-	double dval;
-	double implied_units = 1.0;
-
-	if (is_seconds)
-		implied_units = 1000000.0;
-
-	rc = evaluate_arithmetic_expression(str, &ival, &dval, implied_units, is_time);
-	if (!rc) {
-		if (ival != val)
-			log_info("Arithmetic failed on '%s', expected %lld, got %lld\n",
-				str, val, ival);
-	} else {
-		log_info("Arithmetic failed on '%s'\n", str);
-	}
-}
-#endif
-
 /*
  * Convert string into a floating number. Return 1 for success and 0 otherwise.
  */
@@ -335,8 +288,6 @@ int str_to_float(const char *str, double *val, int is_time)
 			*val = dval;
 			return 1;
 		}
-	} else {
-		verify_exp_parser_float(str, 1.0, is_time);
 	}
 #endif
 	return 1 == sscanf(str, "%lf", val);
@@ -395,9 +346,7 @@ int str_to_decimal(const char *str, long long *val, int kilo, void *data,
 			*val *= mult;
 	} else
 		*val *= get_mult_time(str, len, is_seconds);
-#ifdef CONFIG_ARITHMETIC
-	verify_exp_parser_decimal(str, *val, kilo, is_seconds, is_time);
-#endif
+
 	return 0;
 }
 
-- 
2.25.1