FreeCalypso > hg > freecalypso-citrine
diff g23m-aci/aci/ati_prs.c @ 0:75a11d740a02
initial import of gsm-fw from freecalypso-sw rev 1033:5ab737ac3ad7
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 09 Jun 2016 00:02:41 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/g23m-aci/aci/ati_prs.c Thu Jun 09 00:02:41 2016 +0000 @@ -0,0 +1,1095 @@ +/* ++----------------------------------------------------------------------------- +| Project : GSM-F&D (8411) +| Modul : ATI ++----------------------------------------------------------------------------- +| Copyright 2002 Texas Instruments Berlin, AG +| All rights reserved. +| +| This file is confidential and a trade secret of Texas +| Instruments Berlin, AG +| The receipt of or possession of this file does not convey +| any rights to reproduce or disclose its contents or to +| manufacture, use, or sell anything it may describe, in +| whole, or in part, without the specific written consent of +| Texas Instruments Berlin, AG. ++----------------------------------------------------------------------------- +| Purpose : AT Command parameter parser ++----------------------------------------------------------------------------- +*/ + +#ifndef ATI_PRS_C +#define ATI_PRS_C + +#include "config.h" +#include "fixedconf.h" +#include "condat-features.h" +#include "aci_conf.h" + +#include "aci_all.h" + +#include <stdio.h> +#include <stdarg.h> +#include <ctype.h> + +#include "aci_cmh.h" +#include "ati_cmd.h" +#include "aci_cmd.h" +#include "aci_prs.h" + +#ifdef GPRS + #include "gaci_cmh.h" +#endif /* GPRS */ + +#include "aci_lst.h" +#include "ati_int.h" + +#ifdef OPTION_RELATIVE +LOCAL ULONG offset; +#endif + +static UBYTE parse_index = 0; +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-F&D (8411) MODULE : ACI_PRS | +| STATE : code ROUTINE : parseBin | ++--------------------------------------------------------------------+ + + PURPOSE : parse binary value + +*/ + +GLOBAL char *parseBin (int digits, char *b, SHORT *i) +{ + int found = 0; + + *i = 0; + while (digits-- AND *b >= '0' AND *b <= '1') + { + found++; + *i *= 2; + *i += *b - '0'; + b++; + } + + return ((found) ? b : 0); +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-F&D (8411) MODULE : ACI_PRS | +| STATE : code ROUTINE : parseHex | ++--------------------------------------------------------------------+ + + PURPOSE : parse hexadecimal value + +*/ + +GLOBAL char *parseHex (int digits, char *b, UBYTE *i) +{ + int found = 0; + + *i = 0; + while (digits-- AND ((*b >= '0' AND *b <= '9') OR + (*b >= 'a' AND *b <= 'f') OR + (*b >= 'A' AND *b <= 'F'))) + { + found++; + *i *= 16; + if (*b >= '0' AND *b <= '9') + *i += *b - '0'; + if (*b >= 'a' AND *b <= 'f') + *i += *b - 'a' + 10; + if (*b >= 'A' AND *b <= 'F') + *i += *b - 'A' + 10; + b++; + } + + return ((found AND found <= 2) ? b : 0); +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-F&D (8411) MODULE : ACI_PRS | +| STATE : code ROUTINE : parseHexToLong | ++--------------------------------------------------------------------+ + + PURPOSE : parse hexadecimal value + +*/ + +GLOBAL char *parseHexToLong (int digits, char *b, LONG *i) +{ + *i = 0; + while (digits-- AND ((*b >= '0' AND *b <= '9') OR + (*b >= 'a' AND *b <= 'f') OR + (*b >= 'A' AND *b <= 'F'))) + { + *i *= 16; + if (*b >= '0' AND *b <= '9') + *i += *b - '0'; + if (*b >= 'a' AND *b <= 'f') + *i += *b - 'a' + 10; + if (*b >= 'A' AND *b <= 'F') + *i += *b - 'A' + 10; + b++; + } + + return ( digits EQ 0 ? 0 : b ); +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-F&D (8411) MODULE : ACI_PRS | +| STATE : code ROUTINE : parseEnum | ++--------------------------------------------------------------------+ + + PURPOSE : parse enum value + +*/ + +GLOBAL char *parseEnum (int digits, char *b, int *i) +{ + int found = 0; + + *i = 0; + while (digits-- AND *b >= '0' AND *b <= '9') + { + found++; + *i *= 10; + *i += *b - '0'; + b++; + } + + return ((found) ? b : 0); +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-F&D (8411) MODULE : ACI_PRS | +| STATE : code ROUTINE : parseShort | ++--------------------------------------------------------------------+ + + PURPOSE : parse Short value + +*/ + +GLOBAL char *parseShort (int digits, char *b, SHORT *i) +{ + int found = 0; + + *i = 0; + while (digits-- AND *b >= '0' AND *b <= '9') + { + found++; + *i *= 10; + *i += *b - '0'; + b++; + } + + return ((found) ? b : 0); +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-F&D (8411) MODULE : ACI_PRS | +| STATE : code ROUTINE : parseStr | ++--------------------------------------------------------------------+ + + PURPOSE : parse string value + +*/ + +GLOBAL char *parseStr (int digits, char *b, char *s) +{ + int found = 0; + + *s = 0; + if (*b NEQ '"') + return 0; + b++; + while (digits-- AND *b AND *b >= 0x20) + { + found++; + if (*b EQ '"') + { + *s = 0; + b++; + break; + } + if (*b EQ '\\') + { + b = parseHex(2,b+1,(UBYTE *) s); /* ES!! ZERO ? */ + if (!b) + return 0; + s++; + } + else + *s++ = *b++; + } + if(*(b-1) NEQ '"') + return 0; + *s = 0; /* zero terminated */ + + return ((found) ? b : 0); +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-F&D (8411) MODULE : ACI_PRS | +| STATE : code ROUTINE : parseZStr | ++--------------------------------------------------------------------+ + + PURPOSE : parse string value + +*/ + +GLOBAL char *parseZStr (int digits, char *b, char *s) +{ + int found = 0; + + *s = 0; + if (*b NEQ '"') + return 0; + b++; + while (digits--) + { + found++; + if (*b EQ '"') + { + *s = 0; + b++; + break; + } + if (*b EQ '\\') + { + b = parseHex(2,b+1,(UBYTE *) s); /* ES!! ZERO ? */ + if (!b) + return 0; + s++; + } + else + *s++ = *b++; + } + if(*(b-1) NEQ '"') + return 0; + *s = 0; /* zero terminated */ + + return ((found) ? b : 0); +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-F&D (8411) MODULE : ACI_PRS | +| STATE : code ROUTINE : parseNStr | ++--------------------------------------------------------------------+ + + PURPOSE : parse string value and if not numeric returns error + +*/ + +GLOBAL char *parseNStr (int digits, char *b, char *s) +{ + int found = 0; + + *s = 0; + if (*b NEQ '"') + return 0; + b++; + while (digits-- AND *b AND *b >= 0x20) + { + found++; + if (*b EQ '"') + { + *s = 0; + b++; + break; + } + if (*b EQ '\\') + { + b = parseHex(2,b+1,(UBYTE *) s); /* ES!! ZERO ? */ + if (!b) + return 0; + s++; + } + if ( *b > '9' OR *b < '0') + return 0; /*check if numeric value*/ + else + *s++ = *b++; + } + if(*(b-1) NEQ '"') + return 0; + *s = 0; /* zero terminated */ + + return ((found) ? b : 0); +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-F&D (8411) MODULE : ACI_PRS | +| STATE : code ROUTINE : parseASCII | ++--------------------------------------------------------------------+ + + PURPOSE : parse ASCII value + +*/ + +GLOBAL char *parseASCII (int digits, char *b, char *i) +{ + int found = 0; + + *i = 0; + while (digits-- AND *b NEQ ' ' AND *b NEQ ',' AND *b NEQ ';' ) + { + found++; + *i = *b; + i++; + b++; + } + + return ((found) ? b : 0); +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-F&D (8411) MODULE : ACI_PRS | +| STATE : code ROUTINE : parseQASCII | ++--------------------------------------------------------------------+ + + PURPOSE : parse ASCII value and terminate with 0 + +*/ + +GLOBAL char *parseQASCII (int digits, char *b, char *i) +{ + int found = 0; + + *i = 0; + while (digits-- AND *b NEQ ',' AND *b NEQ ';' AND *b NEQ '\0') + { + found++; + *i = *b; + i++; + b++; + } + + if (found) + { + *i = 0; + return (b); + } + + return (NULL); +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-F&D (8411) MODULE : ACI_PRS | +| STATE : code ROUTINE : parseStrLen | ++--------------------------------------------------------------------+ + + PURPOSE : parse sting, return length and startpoint + +*/ + +GLOBAL char *parseStrLen (USHORT *len, char *b, char **p) +{ + *len = 0; + if( *b EQ '"' ) + b++; + + /* Check if the string is a null string like "" */ + if( *b EQ '"' ) + { + b++; + + /* return new buffer position without setting p, thereby omitting the parameter */ + return b; + } + + *p = b; + + while ( *b NEQ '\0' AND *b NEQ ',' AND *b NEQ ';' AND *b NEQ '"' ) + { + (*len)++; + b++; + } + + if(*b EQ '"') + { + b++; + } + + return ((*len) ? b : 0); +} + + +#ifdef GPRS + +/* ++--------------------------------------------------------------------+ +| PROJECT : UMTS MODULE : ACI_PRS | +| STATE : devellopment ROUTINE : parseExpo | ++--------------------------------------------------------------------+ + + PURPOSE : parse exponential expresion (ex. 2E3) + +*/ + +GLOBAL char *parseExpo( int digits, char *b, T_PS_ber *e ) +{ + BOOL valid = FALSE; + + e->ratio_mant = 0; + e->ratio_exp = 0; + if( *b EQ '"' ) /* start of string */ + { + b++; + while( digits-- AND *b >= '0' AND *b <= '9' ) + { + e->ratio_mant *= 10; + e->ratio_mant += *b - '0'; + b++; + } + if( *b EQ 'E' ) + { + b++; + while( digits-- AND *b >= '0' AND *b <= '9' ) + { + e->ratio_exp *= 10; + e->ratio_exp += *b - '0'; + b++; + valid = TRUE; + } + + if( *b EQ '"' ) /* end of string */ + { + b++; + } + else + { + valid = FALSE; + } + + } + else + { + valid = FALSE; + } + } + else + { + valid = FALSE; + } + + return ((valid) ? b : 0); + +} /* END parseExpo(...) */ + +/* ++--------------------------------------------------------------------+ +| PROJECT : UMTS MODULE : ACI_PRS | +| STATE : Finished ROUTINE : parseCid_list | ++--------------------------------------------------------------------+ + + PURPOSE : Parse a list of Cids. If the parsing is sucessfull the + number of parsed cids is returned otherwise -1 is returned. + +*/ +GLOBAL char *parseCid_list(char *b, U8 *cid_list_length, U8 *cid_list) +{ + U8 no_of_cids; + char *end; + + /* Parse all cids into the cid_list */ + no_of_cids = 0; + do + { + + /* If it's not the first cid remove the "," */ + if( no_of_cids ) + b++; + + /* Set the entry to omitted. */ + cid_list[no_of_cids] = PDP_CONTEXT_CID_OMITTED; + + /* Parse the value */ + cid_list[no_of_cids] = (U8) strtol( b, &end, 10 ); + b = end; + + /* If a cid is omitted no cids must be specified at all. */ + if( cid_list[no_of_cids] EQ PDP_CONTEXT_CID_OMITTED ) + { + if( no_of_cids NEQ 0 ) + { + /* Don't accept omitted cids inside if it's not the first (ex. 1,,2,3 is not allowed). */ + cmdCmeError( CME_ERR_OpNotSupp ); + return( NULL ); + } + /* Break the while */ + break; + } + if( (!b) OR + (cid_list[no_of_cids] < PDP_CONTEXT_CID_MIN) OR + (cid_list[no_of_cids] > PDP_CONTEXT_CID_MAX) OR + (no_of_cids >= PDP_CONTEXT_CID_MAX) ) + { + cmdCmeError( CME_ERR_OpNotSupp ); + return( NULL ); + } + no_of_cids++; + } + + while( *b EQ ',' AND + no_of_cids < *cid_list_length ); + + cid_list[no_of_cids+1] = PDP_CONTEXT_CID_INVALID; + + *cid_list_length = no_of_cids; + return( b ); + +} + +#endif /* GPRS */ + +/* ++----------------------------------------------------------------------+ +| PROJECT : UMTS MODULE : ATI_PRS | +| STATE : - ROUTINE : parsePointerToString | +-----------------------------------------------------------------------+ + + PURPOSE : Parse pointer to input string. returns pointer to end of string. + +*/ +GLOBAL char *parsePointerToString(char chars, char *b, char **p_begin) +{ + if( b AND *b EQ '"' ) + { + b++; + *p_begin = b; + + while (chars-- AND *b AND *b NEQ '"') + { + b++; + } + if( *b EQ '"' ) + { + b++; + } + else + { + if( !chars ) + { + b = NULL; + } + } + } + + return b; +} + +/* ++----------------------------------------------------------------------+ +| PROJECT : UMTS MODULE : ATI_PRS | +| STATE : - ROUTINE : StrToU16 | +-----------------------------------------------------------------------+ + + PURPOSE : Parse string value to U16. + +*/ + +char *StrToU16(char *p_str, U16 *p_result) +{ + U32 val = 0; + + if( p_str ) + { + if( *p_str >= '0' AND *p_str <= '9' ) + { + while( *p_str >= '0' AND *p_str <= '9' ) + { + val *= 10; + val += (int)(*p_str - '0'); + p_str++; + } + } + } + + if( val <= 0xffff ) /* 0xffff = max value of U16 */ + *p_result = (U16)(val); + else + p_str = NULL; + + return p_str; + +} + +/* ++---------------------------------------------------------------------+ +| PROJECT : UMTS MODULE : ATI_PRS | +| STATE : - ROUTINE : parseDSNP_U16 | +----------------------------------------------------------------------+ + + PURPOSE : parse dot-separated numeric parameters from the + input string to an array of U8. + + ex. input p_in = "192.124.13.3" + output p_out = {192,124,13,3} + +*/ +GLOBAL char *parseDSNP_U16( char blocks, char *p_in, U16 *p_out ) +{ + if( p_in AND p_out ) + { + if( *p_in EQ '.' ) p_in++; + while( blocks-- AND *p_in NEQ 0x00 ) + { + p_in = StrToU16(p_in, p_out); + + if( p_in AND blocks AND *p_in EQ '.' ) + { + p_in++; + p_out++; + } + else + break; + } + } + return p_in; +} + +/* ++---------------------------------------------------------------------+ +| PROJECT : UMTS MODULE : ATI_PRS | +| STATE : - ROUTINE : parseIPv4Address | +----------------------------------------------------------------------+ +*/ +GLOBAL char *parseIPv4Address(char *p_in, U8 * p_ip_addr, U8 * is_ip_valid) +{ + U16 ip_addr[4]; + char i; + char *p_out = NULL; + + if( p_in AND p_ip_addr ) + { + p_out = parseDSNP_U16(4, p_in, ip_addr); + for(i=0; i<4; i++) + { + if(ip_addr[i] <= 255) + { + p_ip_addr[i] = (U8) ip_addr[i]; + } + else + { + p_out = NULL; + } + + } + } + * is_ip_valid = (p_out NEQ NULL); + + return p_out; +} + +/* ++---------------------------------------------------------------------+ +| PROJECT : UMTS MODULE : ATI_PRS | +| STATE : - ROUTINE : parseIPv6Address | +----------------------------------------------------------------------+ +*/ +GLOBAL char *parseIPv6Address(char *p_in, U8 *p_ip_addr, U8 * is_ip_valid) +{ + U16 ip_addr[16]; + char i; + char *p_out = NULL; + + if( p_in AND p_ip_addr ) + { + p_out = parseDSNP_U16(16, p_in, ip_addr); + for(i=0; i<16; i++) + { + if(ip_addr[i] > 255) + p_out = NULL; + else + p_ip_addr[i] = (U8) ip_addr[i]; + } + } + + * is_ip_valid = (p_out NEQ NULL); + + return p_out; +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-F&D (8411) MODULE : ACI_PRS | +| STATE : code ROUTINE : parse | ++--------------------------------------------------------------------+ + + PURPOSE : parse AT command parameter + +*/ + +GLOBAL char *parse (char *b, char *f, ...) +{ + char fc; + USHORT *i; + +#ifdef GPRS + U8 *j; +#endif /* GPRS */ + LONG digits = -1; + BOOL value_is_valid; + /*lint -e516 -e10*/ + va_list varpars; + + va_start (varpars, f); /* Initialize variable arguments. */ + + parse_index=0; + while ((fc = *f++) NEQ 0) + { + parse_index++; /* Save the position of current parsing item */ + value_is_valid = TRUE; + if (islower(fc)) + { + if (*b EQ 0 OR *b EQ ';') + { + va_end (varpars); /* Reset variable arguments. */ + return b; + } + if (*b EQ ',') + { + b++; + value_is_valid = FALSE; + } + } + + switch (toupper(fc)) + { + case 'B': + if (value_is_valid) + b = parseBin(-1,b,va_arg (varpars, short*)); + else + (void)va_arg (varpars, short*); + break; + + case 'X': + if (value_is_valid) + b = parseHex(-1,b,va_arg (varpars, unsigned char*)); + else + (void)va_arg (varpars, short*); + break; + + case 'Y': + if (value_is_valid) + b = parseHexToLong(-1,b,va_arg (varpars, long*)); + else + (void)va_arg (varpars, short*); + break; + + case 'D': + if (value_is_valid) + b = parseEnum(-1,b,va_arg (varpars, int*)); + else + (void)va_arg (varpars, int*); + break; + + case 'R': + if (value_is_valid) + b = parseShort(-1,b,va_arg (varpars, short*)); + else + (void)va_arg (varpars, short*); + break; + + case 'S': + if (value_is_valid) + { + digits=va_arg (varpars, long); + b = parseStr(digits,b,va_arg (varpars, char*)); + } + else + { + (void)va_arg (varpars, long); + (void)va_arg (varpars, char*); + } + break; + + case 'N': + if (value_is_valid) + { + digits=va_arg (varpars, long); + b = parseNStr(digits,b,va_arg (varpars, char*)); + } + else + { + (void)va_arg (varpars, long); + (void)va_arg (varpars, char*); + } + break; + + case 'Z': + if (value_is_valid) + { + char* c = b; + USHORT* plen = NULL; + + char* cmdPtr; + USHORT cmdLen; + + digits = va_arg ( varpars, long ); + cmdLen = va_arg ( varpars, unsigned ); + cmdPtr = va_arg ( varpars, char* ); + plen = va_arg ( varpars, unsigned short*); + b = parseZStr + ( MINIMUM (digits, cmdLen - ( b - cmdPtr )), + b, va_arg ( varpars, char* ) ); + + if ( plen NEQ NULL ) + { + if ( b NEQ NULL ) + *plen = b - c - 2; /* a string always includes two characters '"' */ + else + *plen = 0; + } + } + else + { + (void)va_arg (varpars, long); + (void)va_arg (varpars, unsigned short*); + (void)va_arg (varpars, char*); + } + break; + + case 'A': + if (value_is_valid) + { + digits=va_arg (varpars, long); + b = parseASCII(digits,b,va_arg (varpars, char*)); + } + else + { + (void)va_arg (varpars, long); + (void)va_arg (varpars, char*); + } + break; + + case 'Q': + if (value_is_valid) + { + digits=va_arg (varpars, long); + b = parseQASCII(digits,b,va_arg (varpars, char*)); + } + else + { + (void)va_arg (varpars, long); + (void)va_arg (varpars, char*); + } + break; + + case 'L': + if (value_is_valid) + { + i = va_arg(varpars, unsigned short*); + b = parseStrLen (i,b,va_arg(varpars, char**)); + } + else + { + (void)va_arg (varpars, int*); + (void)va_arg (varpars, char**); + } + break; + +#ifdef GPRS + + case 'E': + if (value_is_valid) + {/*lint -e78 -e26 -e530*/ + b = parseExpo( -1, b, va_arg(varpars, T_PS_ber*)); + } + else + { + (void)va_arg (varpars, T_PS_ber*); + } + break; + +#endif + + case 'C': + if (value_is_valid) + { + b = parseByte( -1, b, va_arg(varpars, unsigned char*)); + } + else + { + (void)va_arg (varpars, unsigned char*); + } + break; + +#ifdef GPRS + + case 'I': /* Parse cid_list */ + if( value_is_valid ) + { + j = va_arg(varpars, unsigned char*); + + b = parseCid_list( b, j, va_arg(varpars, unsigned char*) ); + } + break; +#endif /* GPRS */ + + case 'P': /* Parse pointer to string */ + if( value_is_valid ) + { + b = parsePointerToString( (char)-1, b, va_arg(varpars, char**) ); + } + break; + + case '*': /* Parse '*' */ + if( value_is_valid ) + { + if( *b NEQ '*' ) + { + return 0; + } + b++; + } + break; + + case '#': /* Parse '#' */ + if( value_is_valid ) + { + if( *b NEQ '#' ) + { + return 0; + } + b++; + } + break; + } + if (!b) + { + va_end (varpars); /* Reset variable arguments. */ + return 0; + } + + if (*f AND *b EQ ',' AND value_is_valid) + { + b++; + } + else if (*b AND *b NEQ ';' AND *b NEQ ',' AND value_is_valid) /* if comma or semicolon is missing */ + { + TRACE_EVENT ("missing separator detected, aborting parse!"); + va_end (varpars); + return 0; + } + } + if (*b AND *b NEQ ';') + { + va_end (varpars); /* Reset variable arguments. */ + return 0; + } + va_end (varpars); /* Reset variable arguments. */ + /*lint +e516 +e10*/ + return b; +} + + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-F&D (8411) MODULE : ACI_PRS | +| STATE : code ROUTINE : parse | ++--------------------------------------------------------------------+ + + PURPOSE : get last parsed index (to determinate which component was malicious) + +*/ + +GLOBAL UBYTE get_parse_index () +{ + return parse_index; +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-F&D (8411) MODULE : ACI_PRS | +| STATE : code ROUTINE : parseByte(U8) | ++--------------------------------------------------------------------+ + + PURPOSE : parse U8 value + +*/ + +GLOBAL char *parseByte (int digits, char *b, U8 *i) +{ + int found = 0; + + *i = 0; + while (digits-- AND *b >= '0' AND *b <= '9') + { + found++; + *i *= 10; + *i += *b - '0'; + b++; + } + + return ((found) ? b : 0); +} + +/* ++--------------------------------------------------------------------+ +| PROJECT : GSM-F&D (8411) MODULE : ACI_PRS | +| STATE : code ROUTINE : parseTimeStamp | ++--------------------------------------------------------------------+ + + PURPOSE : Parse time stamp format in "yy/MM/dd,hh:mm:ss±zz" + +*/ + +GLOBAL UBYTE parseTimeStamp( char *p_in,U8 *years,U8 *months,U8 *days, + U8 *hrs, U8 *mins,U8 *secs, char *sign, U8 *time_zone ) +{ + if( p_in[2] NEQ '/' OR p_in[5] NEQ '/' OR p_in[8] NEQ ',' OR p_in[11] NEQ ':' OR p_in[14] NEQ ':' ) + { + return NO_TIME_STAMP_FIELD; + } + if(!parseByte (2, &p_in[0], years)) + { + return NO_TIME_STAMP_FIELD; + } + if(!parseByte (2, &p_in[3], months)) + { + return NO_TIME_STAMP_FIELD; + } + if(!parseByte (2, &p_in[6], days)) + { + return NO_TIME_STAMP_FIELD; + } + if(!parseByte (2, &p_in[9], hrs)) + { + return NO_TIME_STAMP_FIELD; + } + if(!parseByte (2, &p_in[12], mins)) + { + return NO_TIME_STAMP_FIELD; + } + if(!parseByte (2, &p_in[15], secs)) + { + return NO_TIME_STAMP_FIELD; + } + *sign = p_in[17]; + + if(*sign NEQ '+' AND *sign NEQ '-' ) + { + return NO_TIME_STAMP_FIELD; + } + if(!parseByte (2, &p_in[18], time_zone)) + { + return NO_TIME_STAMP_FIELD; + } + + return MAX_TIME_STAMP_FIELDS; +} + +#endif /* ATI_PRS_C */