FreeCalypso > hg > freecalypso-tools

annotate uptools/atcmd/resp_parse.c @ 473:90d7c360a614

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main tree Makefile hierarchy: INSTALL_PREFIX= scheme implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 13 Feb 2019 05:06:15 +0000
parents 02d6c8469535
children
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352
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1 /*
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2 * Parsing of structured responses to AT commands
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3 */
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4
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5 #include <ctype.h>
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6 #include <stdio.h>
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7 #include <stdlib.h>
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8 #include "resp_parse.h"
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9
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10 parse_structured_response(start, fields, max_fields)
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11 char *start;
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12 struct resp_field *fields;
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13 int max_fields;
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14 {
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15 char *cp;
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16 int fieldcnt;
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17
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18 cp = start;
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19 for (fieldcnt = 0; fieldcnt < max_fields; fieldcnt++) {
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20 if (*cp == '\0')
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21 break;
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22 if (isdigit(*cp)) {
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23 fields[fieldcnt].type = RESP_FIELD_NUMBER;
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24 fields[fieldcnt].num = strtoul(cp, 0, 10);
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25 while (isdigit(*cp))
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26 cp++;
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27 } else if (*cp == '"') {
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28 cp++;
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29 fields[fieldcnt].type = RESP_FIELD_STRING;
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30 fields[fieldcnt].str = cp;
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31 while (*cp && *cp != '"')
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32 cp++;
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33 if (*cp != '"')
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34 return(-1);
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35 *cp++ = '\0';
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36 } else if (*cp == ',')
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37 fields[fieldcnt].type = RESP_FIELD_EMPTY;
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38 else
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39 return(-1);
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40 if (*cp == ',')
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41 cp++;
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42 else if (*cp)
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43 return(-1);
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44 }
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45 return fieldcnt;
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46 }