From: Andreas Sandberg <redacted>
Date: Sun, 13 Oct 2024 15:52:04 +0000 (+0100)
Subject: fluke-dmm: Declare tables as constants
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=562aacd44ca3a63dfa1112fe72cb23a2f0b96937;p=libsigrok.git

fluke-dmm: Declare tables as constants

There is no need to modify the various lookup tables at
runtime. Declare these as const to avoid surprises.

Signed-off-by: Andreas Sandberg <redacted>
---

diff --git a/src/hardware/fluke-dmm/fluke-28x.c b/src/hardware/fluke-dmm/fluke-28x.c
index ec8678dc..e4383fbe 100644
--- a/src/hardware/fluke-dmm/fluke-28x.c
+++ b/src/hardware/fluke-dmm/fluke-28x.c
@@ -41,7 +41,7 @@ struct state_mapping {
 	enum measurement_state state;
 };
 
-static struct state_mapping state_map[] = {
+static const struct state_mapping state_map[] = {
 	{ "INVALID", MEAS_S_INVALID },
 	{ "NORMAL", MEAS_S_NORMAL },
 	{ "BLANK", MEAS_S_BLANK },
@@ -69,7 +69,7 @@ struct attribute_mapping {
 	enum measurement_attribute attribute;
 };
 
-static struct attribute_mapping attribute_map[] = {
+static const struct attribute_mapping attribute_map[] = {
 	{ "NONE", MEAS_A_NONE },
 	{ "OPEN_CIRCUIT", MEAS_A_OPEN_CIRCUIT },
 	{ "SHORT_CIRCUIT", MEAS_A_SHORT_CIRCUIT },
@@ -88,7 +88,7 @@ struct unit_mapping {
 	enum sr_mqflag mqflags;
 };
 
-static struct unit_mapping unit_map[] = {
+static const struct unit_mapping unit_map[] = {
 	{ "VDC", SR_MQ_VOLTAGE, SR_UNIT_VOLT, SR_MQFLAG_DC },
 	{ "VAC", SR_MQ_VOLTAGE, SR_UNIT_VOLT, SR_MQFLAG_AC | SR_MQFLAG_RMS },
 	{ "ADC", SR_MQ_CURRENT, SR_UNIT_AMPERE, SR_MQFLAG_DC },