ECEF: jiggle the ECEF data structure, add missing accuracies to client.

gps.h

@@ -101,8 +101,8 @@ struct gps_fix_t {
     /* ECEF data, all data in meters, and meters/second, or NaN */
     struct {
 	double x, y, z; 	/* ECEF x, y, z */
+	double pAcc;            /* 3D Position Accuracy Estimate, likely SEP */
 	double vx, vy, vz;	/* ECEF x, y, z velocity */
-	double pAcc;            /* 3D Position Accuracy Estimate, probably SEP */
 	double vAcc;            /* Velocity Accuracy Estimate, probably SEP */
     } ecef;
 };

libgps_json.c

@@ -14,10 +14,6 @@ PERMISSIONS
 
 ***************************************************************************/
 
-/* Ubuntu isfinite() needs _XOPEN_SOURCE, 600 means X/Open 2004 */
-/* Ubuntu man page says _POSIX_C_SOURCE 200112L should work, it fails */
-#define _XOPEN_SOURCE 600
-
 #include <stdbool.h>
 #include <math.h>
 #include <string.h>
@@ -78,6 +74,10 @@ static int json_tpv_read(const char *buf, struct gps_data_t *gpsdata,
 			         .dflt.real = NAN},
 	{"ecefvz", t_real,    .addr.real = &gpsdata->fix.ecef.vz,
 			         .dflt.real = NAN},
+	{"ecefpAcc", t_real,  .addr.real = &gpsdata->fix.ecef.vAcc,
+			         .dflt.real = NAN},
+	{"ecefvAcc", t_real,  .addr.real = &gpsdata->fix.ecef.pAcc,
+			         .dflt.real = NAN},
 	{"mode",   t_integer, .addr.integer = &gpsdata->fix.mode,
 			         .dflt.integer = MODE_NOT_SEEN},
 	{"status", t_integer, .addr.integer = &gpsdata->status,