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GS1: update for new AI 4309 with latlong validator, plus new GS1

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syntax dictionary format (pre-release)
iso4217: new currency code 925
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gitlost 2022-07-14 20:44:48 +01:00
parent 930f458979
commit a48434c19c
10 changed files with 962 additions and 864 deletions
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36
backend/gs1.c
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@ -1172,6 +1172,42 @@ static int couponposoffer(const unsigned char *data, int data_len, int offset, i
return 1;
}
/* Check WSG 84 latitude, longitude */
static int latlong(const unsigned char *data, int data_len, int offset, int min, int max, int *p_err_no,
int *p_err_posn, char err_msg[50], const int length_only) {
(void)max;
data_len -= offset;
if (data_len < min || (data_len && data_len < 20)) {
return 0;
}
if (!length_only && data_len) {
const unsigned char *d = data + offset;
const unsigned char *const de = d + (data_len > max ? max : data_len);
uint64_t lat = 0, lng = 0;
for (; d < de; d++) {
if (de - d > 10) {
lat *= 10;
lat += *d - '0';
} else {
lng *= 10;
lng += *d - '0';
}
}
if (lat > 1800000000 || lng > 3600000000) {
*p_err_no = 3;
*p_err_posn = d - 1 - data + 1 - 10 * (lat > 1800000000);
sprintf(err_msg, "Invalid %s", lat > 1800000000 ? "latitude" : "longitude");
return 0;
}
}
return 1;
}
/* Generated by "php backend/tools/gen_gs1_linter.php > backend/gs1_lint.h" */
#include "gs1_lint.h"