mirror of https://github.com/wb2osz/direwolf.git
132 lines
4.2 KiB
C
132 lines
4.2 KiB
C
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#include <stdlib.h>
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#include <string.h>
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#include "utm.h"
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#include "mgrs.h"
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#include "usng.h"
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#include "error_string.h"
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// Convert error codes to text.
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// Note that the code is a bit mask so it is possible to have multiple messages.
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// Caller should probably provide space for a couple hundred characters to be safe.
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static const struct {
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long mask;
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char *msg;
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} utm_err [] = {
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{ UTM_NO_ERROR, "No errors occurred in function" },
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{ UTM_LAT_ERROR, "Latitude outside of valid range (-80.5 to 84.5 degrees)" },
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{ UTM_LON_ERROR, "Longitude outside of valid range (-180 to 360 degrees)" },
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{ UTM_EASTING_ERROR, "Easting outside of valid range (100,000 to 900,000 meters)" },
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{ UTM_NORTHING_ERROR, "Northing outside of valid range (0 to 10,000,000 meters)" },
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{ UTM_ZONE_ERROR, "Zone outside of valid range (1 to 60)" },
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{ UTM_HEMISPHERE_ERROR, "Invalid hemisphere ('N' or 'S')" },
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{ UTM_ZONE_OVERRIDE_ERROR,"Zone outside of valid range (1 to 60) and within 1 of 'natural' zone" },
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{ UTM_A_ERROR, "Semi-major axis less than or equal to zero" },
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{ UTM_INV_F_ERROR, "Inverse flattening outside of valid range (250 to 350)" },
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{ 0, NULL } };
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static const struct {
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long mask;
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char *msg;
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} mgrs_err [] = {
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{ MGRS_NO_ERROR, "No errors occurred in function" },
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{ MGRS_LAT_ERROR, "Latitude outside of valid range (-90 to 90 degrees)" },
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{ MGRS_LON_ERROR, "Longitude outside of valid range (-180 to 360 degrees)" },
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{ MGRS_STRING_ERROR, "An MGRS string error: string too long, too short, or badly formed" },
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{ MGRS_PRECISION_ERROR, "The precision must be between 0 and 5 inclusive." },
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{ MGRS_A_ERROR, "Inverse flattening outside of valid range (250 to 350)" },
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{ MGRS_INV_F_ERROR, "Invalid hemisphere ('N' or 'S')" },
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{ MGRS_EASTING_ERROR, "Easting outside of valid range (100,000 to 900,000 meters for UTM) (0 to 4,000,000 meters for UPS)" },
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{ MGRS_NORTHING_ERROR, "Northing outside of valid range (0 to 10,000,000 meters for UTM) (0 to 4,000,000 meters for UPS)" },
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{ MGRS_ZONE_ERROR, "Zone outside of valid range (1 to 60)" },
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{ MGRS_HEMISPHERE_ERROR, "Invalid hemisphere ('N' or 'S')" },
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{ MGRS_LAT_WARNING, "Latitude warning ???" },
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{ 0, NULL } };
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static const struct {
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long mask;
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char *msg;
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} usng_err [] = {
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{ USNG_NO_ERROR, "No errors occurred in function" },
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{ USNG_LAT_ERROR, "Latitude outside of valid range (-90 to 90 degrees)" },
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{ USNG_LON_ERROR, "Longitude outside of valid range (-180 to 360 degrees)" },
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{ USNG_STRING_ERROR, "A USNG string error: string too long, too short, or badly formed" },
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{ USNG_PRECISION_ERROR, "The precision must be between 0 and 5 inclusive." },
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{ USNG_A_ERROR, "Inverse flattening outside of valid range (250 to 350)" },
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{ USNG_INV_F_ERROR, "Invalid hemisphere ('N' or 'S')" },
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{ USNG_EASTING_ERROR, "Easting outside of valid range (100,000 to 900,000 meters for UTM) (0 to 4,000,000 meters for UPS)" },
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{ USNG_NORTHING_ERROR, "Northing outside of valid range (0 to 10,000,000 meters for UTM) (0 to 4,000,000 meters for UPS)" },
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{ USNG_ZONE_ERROR, "Zone outside of valid range (1 to 60)" },
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{ USNG_HEMISPHERE_ERROR, "Invalid hemisphere ('N' or 'S')" },
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{ USNG_LAT_WARNING, "Latitude warning ???" },
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{ 0, NULL } };
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void utm_error_string (long err, char *str)
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{
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int n;
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strcpy (str, "");
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for (n = 1; utm_err[n].mask != 0; n++) {
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if (err & utm_err[n].mask) {
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if (strlen(str) > 0) strcat(str, "\n");
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strcat (str, utm_err[n].msg);
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}
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}
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if (strlen(str) == 0) {
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strcpy (str, utm_err[0].msg);
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}
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}
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void mgrs_error_string (long err, char *str)
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{
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int n;
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strcpy (str, "");
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for (n = 1; mgrs_err[n].mask != 0; n++) {
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if (err & mgrs_err[n].mask) {
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if (strlen(str) > 0) strcat(str, "\n");
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strcat (str, mgrs_err[n].msg);
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}
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}
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if (strlen(str) == 0) {
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strcpy (str, mgrs_err[0].msg);
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}
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}
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void usng_error_string (long err, char *str)
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{
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int n;
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strcpy (str, "");
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for (n = 1; usng_err[n].mask != 0; n++) {
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if (err & usng_err[n].mask) {
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if (strlen(str) > 0) strcat(str, "\n");
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strcat (str, usng_err[n].msg);
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}
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}
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if (strlen(str) == 0) {
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strcpy (str, usng_err[0].msg);
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}
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}
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