FreeCalypso > hg > freecalypso-tools

annotate rvinterf/asyncshell/parse.c @ 752:c79aaed75bd8

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compile-fc-batt: allow possible third field in source lines Battery tables maintained in the fc-battery-conf repository will now have a third field added, defining thresholds for the battery bars icon, and there will be a new utility to compile them into the new /etc/batterytab2 file read by the FC Tourmaline version of our FCHG driver. For backward compatibility with the original Magnetite version of FCHG, compile-fc-batt remains the tool for compiling the original /etc/batterytab file format, and it needs to ignore the newly added third field in battery table sources.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 05 Nov 2020 20:37:55 +0000
parents e7502631a0f9
children
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1 /*
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2 * This module implements the parser helper function that allows
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3 * the same code to be reused between interactive and one-shot
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4 * versions of the same command.
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5 */
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6
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7 #include <stdio.h>
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8 #include <ctype.h>
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9 #include <string.h>
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10 #include <strings.h>
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11 #include <stdlib.h>
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12
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13 parse_interactive_command_into_argv(argstr, argv, min_arg, max_arg, argcp)
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14 char *argstr, **argv;
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15 int min_arg, max_arg, *argcp;
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16 {
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17 char *cp, **ap;
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18
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19 cp = argstr;
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20 for (ap = argv; ; ) {
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21 while (isspace(*cp))
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22 cp++;
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23 if (!*cp || *cp == '#')
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24 break;
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25 if (ap - argv >= max_arg) {
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26 printf("error: too many arguments\n");
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27 return(-1);
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28 }
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29 if (*cp == '"') {
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30 *ap++ = ++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 printf("error: unterminated quoted string\n");
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35 return(-1);
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36 }
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37 *cp++ = '\0';
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38 } else {
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39 *ap++ = cp;
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40 while (*cp && !isspace(*cp))
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41 cp++;
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42 if (*cp)
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43 *cp++ = '\0';
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44 }
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45 }
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46 if (ap - argv < min_arg) {
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47 printf("error: too few arguments\n");
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48 return(-1);
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49 }
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50 *ap = 0;
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51 *argcp = ap - argv;
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52 return(0);
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53 }