FreeCalypso > hg > sms-coding-utils
view enc-text/ucs2.c @ 4:d88c5ab03447
libcoding/number_encode.c: import from fc-sim-tools/libutil
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sat, 05 Aug 2023 03:17:09 +0000 |
parents | a16b1b9728f6 |
children | 265b8103530c |
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/* * In this module we implement SMS encoding in UCS-2. */ #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include <unistd.h> #include "defs.h" extern int concat_enable, concat_refno_set; extern char msgtext[MAX_MSG_CHARS*2+2]; extern u_char concat_refno; ucs2_mode_main() { u_short msgtext_uni[MAX_MSG_UNI]; unsigned msgtext_unilen; int rc; unsigned nparts, n; u_char udh[6], ucs2_be[140]; unsigned pos, remain, chunk; rc = utf8_to_ucs2(msgtext, msgtext_uni, MAX_MSG_UNI, &msgtext_unilen); if (rc == -1) { fprintf(stderr, "error: invalid UTF-8 message\n"); exit(1); } if (rc == -2) { fprintf(stderr, "error: message too long for max concat SMS\n"); exit(1); } if (msgtext_unilen <= 70) { fputs("dcs 8 octet\nmsg ", stdout); if (msgtext_unilen) { ucs2_out_bigend(msgtext_uni, ucs2_be, msgtext_unilen); emit_hex_out(ucs2_be, msgtext_unilen * 2, stdout); } else fputs("empty", stdout); putchar('\n'); exit(0); } if (!concat_enable) { fprintf(stderr, "error: message exceeds 70 UCS-2 chars\n"); exit(1); } if (!concat_refno_set) concat_refno = get_concsms_refno_from_host_fs(); puts("dcs 8 octet"); nparts = (msgtext_unilen + 66) / 67; udh[0] = 5; udh[1] = 0x00; udh[2] = 0x03; udh[3] = concat_refno; udh[4] = nparts; pos = 0; remain = msgtext_unilen; for (n = 1; n <= nparts; n++) { udh[5] = n; chunk = 67; if (chunk > remain) chunk = remain; fputs("msg-udh ", stdout); emit_hex_out(udh, 6, stdout); ucs2_out_bigend(msgtext_uni + pos, ucs2_be, chunk); emit_hex_out(ucs2_be, chunk * 2, stdout); putchar('\n'); pos += chunk; remain -= chunk; } exit(0); }