FreeCalypso > hg > ice1-trau-tester
annotate libutil/stdin_handler.c @ 51:db39e8855f3d
ater: implement play-d144
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 25 Sep 2024 05:53:38 +0000 |
parents | 2ce0ed560a34 |
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rev | line source |
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libutil: implement stdin handler
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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 } |