FreeCalypso > hg > sipout-test-utils

annotate test-fsk/user_cmd.c @ 7:6d832abad660

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test-fsk: gather and print full line of modem Rx characters
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 05 Mar 2024 10:57:45 -0800
parents 030d52b96a23
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * In this module we implement stdin command handling, supporting
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cc997f9ae186 test-fsk: rm TFO code
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3 * user-initiated CANCEL and BYE.
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4 */
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5
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6 #include <ctype.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <string.h>
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10 #include <strings.h>
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11
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12 static void
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13 pcm_fill_cmd(arg)
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14 char *arg;
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15 {
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16 char *cp;
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17 unsigned octet;
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18
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19 for (cp = arg; isspace(*cp); cp++)
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20 ;
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21 if (!isxdigit(*cp)) {
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22 inv_syntax: fprintf(stderr, "error: pcm-fill command invalid syntax\n");
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23 return;
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24 }
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25 octet = strtoul(cp, &cp, 16);
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26 if (*cp)
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27 goto inv_syntax;
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28 if (octet > 0xFF) {
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29 fprintf(stderr,
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30 "error: pcm-fill octet argument out of range\n");
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31 return;
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32 }
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33 set_pcm_fill_octet(octet);
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34 }
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35
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36 void
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37 select_stdin()
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38 {
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39 char buf[256], *cp;
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40
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41 fgets(buf, sizeof buf, stdin);
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42 cp = index(buf, '\n');
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43 if (cp) {
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44 while (cp > buf && isspace(cp[-1]))
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45 cp--;
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46 *cp = '\0';
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47 }
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48 for (cp = buf; isspace(*cp); cp++)
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49 ;
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50 if (!*cp)
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51 return;
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52 if (!strcmp(cp, "b") || !strcasecmp(cp, "bye"))
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53 send_bye_req();
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54 else if (!strcmp(cp, "c") || !strcasecmp(cp, "cancel"))
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55 send_cancel_req();
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56 else
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57 fprintf(stderr, "error: non-understood stdin command\n");
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58 }