apn.h

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#pragma once
 
#include <stdint.h>
 
/* 23.003 Section 9.1.1, excluding any terminating zero byte */
#define APN_NI_MAXLEN   63
 
/* 23.003 Section 9.1, excluding any terminating zero byte */
#define APN_MAXLEN      100
 
char *osmo_apn_qualify(unsigned int mcc, unsigned int mnc, const char *ni);
char *osmo_apn_qualify_buf(char *buf, size_t buf_len, unsigned int mcc, unsigned int mnc, const char *ni);
char *osmo_apn_qualify_c(const void *ctx, unsigned int mcc, unsigned int mnc, const char *ni);
 
/* Compose a string of the form '<ni>.mnc001.mcc002.gprs\0', returned in a
 * static buffer. */
char *osmo_apn_qualify_from_imsi(const char *imsi,
                                 const char *ni, int have_3dig_mnc);
char *osmo_apn_qualify_from_imsi_buf(char *buf, size_t buf_len, const char *imsi,
                                     const char *ni, int have_3dig_mnc);
char *osmo_apn_qualify_from_imsi_c(const void *ctx, const char *imsi, const char *ni, int have_3dig_mnc);
 
int osmo_apn_from_str(uint8_t *apn_enc, size_t max_apn_enc_len, const char *str);
char *osmo_apn_to_str(char *out_str, const uint8_t *apn_enc, size_t apn_enc_len);