FreeCalypso > hg > e1-fake-trau

annotate libutil/stdin_handler.c @ 5:3604828b2f54

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add top Makefile
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 29 Aug 2024 13:21:38 +0000
parents e5527fc2050b
children
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1 /*
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2 * Stdin handler function: gets called from Osmocom select loop for stdin,
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3 * does line read and initial parsing into arguments, then calls
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4 * program-supplied handler.
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5 */
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6
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7 #include <ctype.h>
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8 #include <stdint.h>
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9 #include <stdbool.h>
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10 #include <stdio.h>
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11 #include <stdlib.h>
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12 #include <unistd.h>
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13
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14 #include <osmocom/core/select.h>
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15
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16 #include "stdin_handler.h"
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17
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18 #define MAX_ARGS 16
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19
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20 int stdin_select_cb(struct osmo_fd *ofd, unsigned int what)
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21 {
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22 stdin_dispatch_t dispatch_func = ofd->data;
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23 char buf[256], *argv[MAX_ARGS+1], *cp;
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24 int argc;
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25
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26 fgets(buf, sizeof buf, stdin);
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27 argc = 0;
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28 for (cp = buf; ; ) {
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29 while (isspace(*cp))
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30 cp++;
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31 if (*cp == '\0' || *cp == '#')
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32 break;
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33 if (argc >= MAX_ARGS) {
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34 printf("error: input command exceeds MAX_ARGS\n");
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35 return 0;
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36 }
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37 argv[argc] = cp;
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38 while (*cp && !isspace(*cp))
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39 cp++;
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40 if (*cp)
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41 *cp++ = '\0';
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42 argc++;
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43 }
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44 if (!argc)
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45 return 0;
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46 argv[argc] = NULL;
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47 dispatch_func(argc, argv);
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48 return 0;
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49 }