FreeCalypso > hg > sms-coding-utils
view libcoding/timestamp.c @ 18:590b0b5bcbbb
sms-gen-tpdu: support setting VP for MO
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 27 Aug 2023 07:55:13 +0000 |
parents | b831ee7d512c |
children |
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/* * The function implemented in this module encodes a GSM SMS absolute timestamp * from ASCII representation into PDU octets. */ #include <sys/types.h> #include <ctype.h> encode_gsm_sms_abstime(str, bin) char *str; u_char *bin; { u_char digits[14]; if (!isdigit(str[0]) || !isdigit(str[1])) return(-1); digits[0] = str[0] - '0'; digits[1] = str[1] - '0'; if (str[2] != '/') return(-1); if (!isdigit(str[3]) || !isdigit(str[4])) return(-1); digits[2] = str[3] - '0'; digits[3] = str[4] - '0'; if (str[5] != '/') return(-1); if (!isdigit(str[6]) || !isdigit(str[7])) return(-1); digits[4] = str[6] - '0'; digits[5] = str[7] - '0'; if (str[8] != ',') return(-1); if (!isdigit(str[9]) || !isdigit(str[10])) return(-1); digits[6] = str[9] - '0'; digits[7] = str[10] - '0'; if (str[11] != ':') return(-1); if (!isdigit(str[12]) || !isdigit(str[13])) return(-1); digits[8] = str[12] - '0'; digits[9] = str[13] - '0'; if (str[14] != ':') return(-1); if (!isdigit(str[15]) || !isdigit(str[16])) return(-1); digits[10] = str[15] - '0'; digits[11] = str[16] - '0'; if (str[17] != '+' && str[17] != '-') return(-1); if (!isdigit(str[18]) || !isdigit(str[19])) return(-1); digits[12] = str[18] - '0'; digits[13] = str[19] - '0'; if (str[20]) return(-1); if (str[17] == '-') digits[12] |= 8; pack_digit_bytes(digits, bin, 7); return(0); }