Change r_device.fields to constant pointer (#2421)

Allows for static "output_fields" to be stored in readonly memory on embedded architectures.

include/r_device.h

@@ -71,7 +71,7 @@ typedef struct r_device {
     struct r_device *(*create_fn)(char *args);
     unsigned priority; ///< Run later and only if no previous events were produced
     unsigned disabled; ///< 0: default enabled, 1: default disabled, 2: disabled, 3: disabled and hidden
-    char const **fields; ///< List of fields this decoder produces; required for CSV output. NULL-terminated.
+    char const *const *fields; ///< List of fields this decoder produces; required for CSV output. NULL-terminated.
 
     /* public for each decoder */
     int verbose;

src/devices/abmt.c

@@ -81,7 +81,7 @@ static int abmt_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "temperature_C",

src/devices/acurite.c

@@ -132,7 +132,7 @@ int const acurite_5n1_winddirections[] = {
 //  11 = A
 static char const *acurite_getChannel(uint8_t byte)
 {
-    static char const *channel_strs[] = {"C", "E", "B", "A"}; // 'E' stands for error
+    static char const *const channel_strs[] = {"C", "E", "B", "A"}; // 'E' stands for error
 
     int channel = (byte & 0xC0) >> 6;
     return channel_strs[channel];
@@ -1861,7 +1861,7 @@ static int acurite_00275rm_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return result;
 }
 
-static char const *acurite_rain_gauge_output_fields[] = {
+static char const *const acurite_rain_gauge_output_fields[] = {
         "model",
         "id",
         "rain_mm",
@@ -1880,7 +1880,7 @@ r_device const acurite_rain_896 = {
         .fields      = acurite_rain_gauge_output_fields,
 };
 
-static char const *acurite_th_output_fields[] = {
+static char const *const acurite_th_output_fields[] = {
         "model",
         "id",
         "battery_ok",
@@ -1906,7 +1906,7 @@ r_device const acurite_th = {
  * For Acurite 592 TXR Temp/Humidity, but
  * Should match Acurite 592TX, 5-n-1, etc.
  */
-static char const *acurite_txr_output_fields[] = {
+static char const *const acurite_txr_output_fields[] = {
         "model",
         "message_type", // TODO: remove this
         "id",
@@ -1957,7 +1957,7 @@ r_device const acurite_txr = {
  * A transmission consists of two packets that run into each other.
  * There should be 40 bits of data though. But the last bit can't be detected.
  */
-static char const *acurite_986_output_fields[] = {
+static char const *const acurite_986_output_fields[] = {
         "model",
         "id",
         "channel",
@@ -1986,7 +1986,7 @@ r_device const acurite_986 = {
  *
  */
 
-static char const *acurite_606_output_fields[] = {
+static char const *const acurite_606_output_fields[] = {
         "model",
         "id",
         "battery_ok",
@@ -1995,7 +1995,7 @@ static char const *acurite_606_output_fields[] = {
         NULL,
 };
 
-static char const *acurite_590_output_fields[] = {
+static char const *const acurite_590_output_fields[] = {
         "model",
         "id",
         "battery_ok",
@@ -2023,7 +2023,7 @@ r_device const acurite_606 = {
         .fields      = acurite_606_output_fields,
 };
 
-static char const *acurite_00275rm_output_fields[] = {
+static char const *const acurite_00275rm_output_fields[] = {
         "model",
         "subtype",
         "id",

src/devices/acurite_01185m.c

@@ -114,7 +114,7 @@ static int acurite_01185m_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return result;
 }
 
-static char const *acurite_01185m_output_fields[] = {
+static char const *const acurite_01185m_output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/akhan_100F14.c

@@ -62,7 +62,7 @@ static int akhan_rke_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "data",

src/devices/alecto.c

@@ -208,7 +208,7 @@ static int alectov1_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return DECODE_FAIL_SANITY;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/ambient_weather.c

@@ -157,7 +157,7 @@ static int ambient_weather_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return ret;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/ambientweather_tx8300.c

@@ -118,7 +118,7 @@ static int ambientweather_tx8300_callback(r_device *decoder, bitbuffer_t *bitbuf
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/ambientweather_wh31e.c

@@ -356,7 +356,7 @@ static int ambientweather_whx_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return events;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/ant_antplus.c

@@ -139,7 +139,7 @@ static int ant_antplus_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "network",
         "channel",

src/devices/archos_tbh.c

@@ -212,7 +212,7 @@ static int archos_tbh_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     }
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "battery_ok",

src/devices/atech_ws308.c

@@ -119,7 +119,7 @@ static int atech_ws308_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "temperature_C",

src/devices/auriol_4ld5661.c

@@ -77,7 +77,7 @@ static int auriol_4ld5661_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return ret;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "battery_ok",

src/devices/auriol_aft77b2.c

@@ -137,7 +137,7 @@ static int auriol_aft77_b2_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "temperature_C",

src/devices/auriol_afw2a1.c

@@ -105,7 +105,7 @@ static int auriol_afw2a1_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/auriol_ahfl.c

@@ -96,7 +96,7 @@ static int auriol_ahfl_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/auriol_hg02832.c

@@ -89,7 +89,7 @@ static int auriol_hg02832_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/badger_water.c

@@ -138,7 +138,7 @@ static int badger_orion_decode(r_device *decoder, bitbuffer_t *bitbuffer)
 }
 
 // Note: At this time the exact meaning of the flags is not known.
-static char const *badger_output_fields[] = {
+static char const *const badger_output_fields[] = {
         "model",
         "id",
         "flags_1",

src/devices/baldr_rain.c

@@ -85,7 +85,7 @@ static int baldr_rain_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "flags",

src/devices/blueline.c

@@ -384,7 +384,7 @@ static int blueline_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return ((payloads_decoded > 0) ? payloads_decoded : most_applicable_failure);
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "flags",

src/devices/blyss.c

@@ -56,7 +56,7 @@ static int blyss_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return DECODE_FAIL_SANITY;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         NULL,

src/devices/brennenstuhl_rcs_2044.c

@@ -113,7 +113,7 @@ static int brennenstuhl_rcs_2044_callback(r_device *decoder, bitbuffer_t *bitbuf
     return counter;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "key",

src/devices/bresser_3ch.c

@@ -95,7 +95,7 @@ static int bresser_3ch_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/bresser_5in1.c

@@ -160,7 +160,7 @@ static int bresser_5in1_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "battery_ok",

src/devices/bresser_6in1.c

@@ -218,7 +218,7 @@ static int bresser_6in1_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/bresser_7in1.c

@@ -134,7 +134,7 @@ static int bresser_7in1_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "temperature_C",

src/devices/bt_rain.c

@@ -84,7 +84,7 @@ static int bt_rain_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/burnhardbbq.c

@@ -119,7 +119,7 @@ static int burnhardbbq_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return ret;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/calibeur.c

@@ -116,7 +116,7 @@ static int calibeur_rf104_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "temperature_C",

src/devices/cardin.c

@@ -109,7 +109,7 @@ static int cardin_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "dipswitch",
         "rbutton",

src/devices/cavius.c

@@ -118,7 +118,7 @@ static int cavius_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "battery_ok",

src/devices/ced7000.c

@@ -93,7 +93,7 @@ static int ced7000_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "count",

src/devices/celsia_czc1.c

@@ -132,7 +132,7 @@ static int celsia_czc1_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "heat",

src/devices/chuango.c

@@ -87,7 +87,7 @@ static int chuango_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "cmd",

src/devices/cmr113.c

@@ -109,7 +109,7 @@ static int cmr113_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "current_1_A",
         "current_2_A",

src/devices/companion_wtr001.c

@@ -127,7 +127,7 @@ static int companion_wtr001_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "temperature_C",
         "mic",

src/devices/cotech_36_7959.c

@@ -133,7 +133,7 @@ static int cotech_36_7959_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *cotech_36_7959_output_fields[] = {
+static char const *const cotech_36_7959_output_fields[] = {
         "model",
         //"subtype",
         "id",

src/devices/current_cost.c

@@ -114,7 +114,7 @@ static int current_cost_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 0;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "subtype",

src/devices/danfoss.c

@@ -147,7 +147,7 @@ static int danfoss_cfr_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return DECODE_ABORT_LENGTH;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "temperature_C",

src/devices/digitech_xc0324.c

@@ -208,7 +208,7 @@ static int digitech_xc0324_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return events > 0 ? events : ret;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "temperature_C",

src/devices/directv.c

@@ -360,7 +360,7 @@ static int directv_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "button_id",

src/devices/dish_remote_6_3.c

@@ -133,7 +133,7 @@ static int dish_remote_6_3_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "button",
         NULL,

src/devices/dsc.c

@@ -244,7 +244,7 @@ static int dsc_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return result;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "closed",

src/devices/ecodhome.c

@@ -171,7 +171,7 @@ static int ecodhome_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "message_type",

src/devices/ecowitt.c

@@ -106,7 +106,7 @@ static int ecowitt_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/efergy_e2_classic.c

@@ -110,7 +110,7 @@ static int efergy_e2_classic_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "battery_ok",

src/devices/efergy_optical.c

@@ -124,7 +124,7 @@ static int efergy_optical_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "pulses",

src/devices/efth800.c

@@ -121,7 +121,7 @@ static int eurochron_efth800_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/elro_db286a.c

@@ -49,7 +49,7 @@ static int elro_db286a_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         NULL,

src/devices/elv.c

@@ -95,7 +95,7 @@ static int em1000_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *elv_em1000_output_fields[] = {
+static char const *const elv_em1000_output_fields[] = {
         "model",
         "id",
         "seq",
@@ -263,7 +263,7 @@ static int ws2000_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *elv_ws2000_output_fields[] = {
+static char const *const elv_ws2000_output_fields[] = {
         "model",
         "id",
         "subtype",

src/devices/emax.c

@@ -250,7 +250,7 @@ static int emax_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return ret;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/emontx.c

@@ -138,7 +138,7 @@ static int emontx_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return events;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "node",
         "ct1",

src/devices/emos_e6016.c

@@ -124,7 +124,7 @@ static int emos_e6016_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/emos_e6016_rain.c

@@ -99,7 +99,7 @@ static int emos_e6016_rain_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/enocean_erp1.c

@@ -90,7 +90,7 @@ static int enocean_erp1_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "telegram",
         "mic",

src/devices/ert_idm.c

@@ -581,7 +581,7 @@ static int ert_netidm_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
 
         // Common fields
         "model",

src/devices/ert_scm.c

@@ -95,7 +95,7 @@ static int ert_scm_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "physical_tamper",

src/devices/esa.c

@@ -87,7 +87,7 @@ static int esa_cost_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "impulses",

src/devices/esic_emt7110.c

@@ -91,7 +91,7 @@ static int esic_emt7110_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "power_W",

src/devices/esperanza_ews.c

@@ -112,7 +112,7 @@ static int esperanza_ews_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/eurochron.c

@@ -83,7 +83,7 @@ static int eurochron_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "battery_ok",

src/devices/fineoffset.c

@@ -953,7 +953,7 @@ static int fineoffset_WH0530_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "temperature_C",
@@ -962,7 +962,7 @@ static char const *output_fields[] = {
         NULL,
 };
 
-static char const *output_fields_WH25[] = {
+static char const *const output_fields_WH25[] = {
         "model",
         "id",
         "battery_ok",
@@ -984,7 +984,7 @@ static char const *output_fields_WH25[] = {
         NULL,
 };
 
-static char const *output_fields_WH51[] = {
+static char const *const output_fields_WH51[] = {
         "model",
         "id",
         "battery_ok",
@@ -996,7 +996,7 @@ static char const *output_fields_WH51[] = {
         NULL,
 };
 
-static char const *output_fields_WH0530[] = {
+static char const *const output_fields_WH0530[] = {
         "model",
         "id",
         "battery_ok",

src/devices/fineoffset_wh1050.c

@@ -120,7 +120,7 @@ static int fineoffset_wh1050_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "battery_ok",

src/devices/fineoffset_wh1080.c

@@ -326,7 +326,7 @@ static int fineoffset_wh1080_callback_fsk(r_device *decoder, bitbuffer_t *bitbuf
     return fineoffset_wh1080_callback(decoder, bitbuffer, TYPE_FSK);
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "subtype",
         "id",

src/devices/fineoffset_wh31l.c

@@ -154,7 +154,7 @@ static int fineoffset_wh31l_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "battery_ok",

src/devices/fineoffset_wh45.c

@@ -128,7 +128,7 @@ static int fineoffset_wh45_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "battery_ok",

src/devices/fineoffset_wn34.c

@@ -110,7 +110,7 @@ static int fineoffset_wn34_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "battery_ok",

src/devices/fineoffset_ws80.c

@@ -113,7 +113,7 @@ static int fineoffset_ws80_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "battery_ok",

src/devices/flex.c

@@ -342,7 +342,7 @@ static int flex_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "count",
         "num_rows",

src/devices/flowis.c

@@ -122,7 +122,7 @@ static int flowis_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "type",

src/devices/fordremote.c

@@ -62,7 +62,7 @@ static int fordremote_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return found;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "code",

src/devices/fs20.c

@@ -33,7 +33,7 @@ Command extensions are also not decoded. feel free to improve!
 
 static int fs20_decode(r_device *decoder, bitbuffer_t *bitbuffer)
 {
-    static char const *cmd_tab[] = {
+    static char const *const cmd_tab[] = {
             "off",
             "on, 6.25%",
             "on, 12.5%",
@@ -122,7 +122,7 @@ static int fs20_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "housecode",
         "address",

src/devices/ft004b.c

@@ -65,7 +65,7 @@ static int ft004b_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "temperature_C",
         NULL,

src/devices/funkbus.c

@@ -160,7 +160,7 @@ static int funkbus_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return events;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "battery_ok",

src/devices/gasmate_ba1008.c

@@ -92,7 +92,7 @@ static int gasmate_ba1008_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "temperature_C",
         "unknown_1",

src/devices/ge_coloreffects.c

@@ -157,7 +157,7 @@ static int ge_coloreffects_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return events > 0 ? events : ret;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "command",

src/devices/generic_motion.c

@@ -62,7 +62,7 @@ static int generic_motion_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return DECODE_ABORT_EARLY;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "code",
         NULL,

src/devices/generic_remote.c

@@ -71,7 +71,7 @@ static int generic_remote_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "cmd",

src/devices/generic_temperature_sensor.c

@@ -60,7 +60,7 @@ static int generic_temperature_sensor_callback(r_device *decoder, bitbuffer_t *b
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "battery_ok",

src/devices/geo_minim.c

@@ -343,7 +343,7 @@ static int minim_decode(r_device *decoder, bitbuffer_t *bitbuffer)
 }
 
 // List of fields to appear in the `-F csv` output.
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "power_VA",

src/devices/govee.c

@@ -238,7 +238,7 @@ static int govee_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "battery_ok",

src/devices/gt_tmbbq05.c

@@ -127,7 +127,7 @@ static int gt_tmbbq05_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "temperature_F",

src/devices/gt_wt_02.c

@@ -115,7 +115,7 @@ static int gt_wt_02_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return counter;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/gt_wt_03.c

@@ -146,7 +146,7 @@ static int gt_wt_03_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/hcs200.c

@@ -86,7 +86,7 @@ static int hcs200_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "battery_ok",

src/devices/hideki.c

@@ -226,7 +226,7 @@ static int hideki_ts04_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return ret;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/holman_ws5029.c

@@ -118,7 +118,7 @@ static int holman_ws5029pcm_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "temperature_C",

src/devices/hondaremote.c

@@ -18,7 +18,7 @@ Note that this is actually Manchester coded and should be changed.
 */
 #include "decoder.h"
 
-static char const *command_code[] = {"boot", "unlock" , "lock",};
+static char const *const command_code[] = {"boot", "unlock" , "lock",};
 
 static char const *get_command_codes(const uint8_t *bytes)
 {
@@ -61,7 +61,7 @@ static int hondaremote_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 0;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "code",

src/devices/honeywell.c

@@ -123,7 +123,7 @@ static int honeywell_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/honeywell_cm921.c

@@ -418,7 +418,7 @@ static int honeywell_cm921_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "ids",
 #ifdef _DEBUG

src/devices/honeywell_wdb.c

@@ -113,7 +113,7 @@ static int honeywell_wdb_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "subtype",
         "id",

src/devices/ht680.c

@@ -79,7 +79,7 @@ static int ht680_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 0;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "button1",

src/devices/ibis_beacon.c

@@ -80,7 +80,7 @@ static int ibis_beacon_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "counter",

src/devices/ikea_sparsnas.c

@@ -274,7 +274,7 @@ static int ikea_sparsnas_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "sequence",

src/devices/infactory.c

@@ -98,7 +98,7 @@ static int infactory_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "channel",

src/devices/inkbird_ith20r.c

@@ -128,7 +128,7 @@ static int inkbird_ith20r_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "id",
         "battery",

src/devices/inovalley-kw9015b.c

@@ -74,7 +74,7 @@ static int kw9015b_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *kw9015b_csv_output_fields[] = {
+static char const *const kw9015b_csv_output_fields[] = {
         "model",
         "id",
         "battery_ok",

src/devices/insteon.c

@@ -458,7 +458,7 @@ static int insteon_callback(r_device *decoder, bitbuffer_t *bitbuffer)
  *
  */
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         // "id",
         // "data",

src/devices/interlogix.c

@@ -214,7 +214,7 @@ static int interlogix_decode(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "subtype",
         "id",

src/devices/intertechno.c

@@ -51,7 +51,7 @@ static int intertechno_callback(r_device *decoder, bitbuffer_t *bitbuffer)
     return 1;
 }
 
-static char const *output_fields[] = {
+static char const *const output_fields[] = {
         "model",
         "type",
         "id",