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annotate libpwon/duart28c.c @ 1011:6d9b10633f10 default tip

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etmsync Pirelli IMEI retrieval: fix poor use of printf() Bug reported by Vadim Yanitskiy <fixeria@osmocom.org>: the construct where a static-allocated string was passed to printf() without any format arguments causes newer compilers to report a security problem. Given that formatted output is not needed here, just fixed string output, change printf() to fputs(), and direct the error message to stderr while at it.
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 23 May 2024 17:29:57 +0000
parents 7d1df6d831e4
children
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736
7d1df6d831e4 libpwon: added -Pdtr and -Prts support for DUART28C
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1 #include <sys/types.h>
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2 #include <sys/ioctl.h>
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3 #include <stdio.h>
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4 #include <stdlib.h>
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5 #include <string.h>
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6 #include <strings.h>
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7 #include <unistd.h>
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8
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9 extern int target_fd;
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10
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11 int bootctrl_duart28c_mode;
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12 static int mctl_arg;
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13
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14 bootctrl_check_duart28c(bc_name)
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15 char *bc_name;
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16 {
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17 if (!strcmp(bc_name, "dtr")) {
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18 bootctrl_duart28c_mode = 1;
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19 mctl_arg = TIOCM_DTR;
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20 return 1;
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21 }
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22 if (!strcmp(bc_name, "rts")) {
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23 bootctrl_duart28c_mode = 1;
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24 mctl_arg = TIOCM_RTS;
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25 return 1;
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26 }
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27 return 0;
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28 }
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29
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30 void
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31 fork_duart28c_pulse()
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32 {
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33 int i;
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34
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35 i = fork();
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36 if (i < 0) {
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37 perror("fork");
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38 exit(1);
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39 }
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40 if (i)
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41 return;
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42 ioctl(target_fd, TIOCMBIS, &mctl_arg);
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43 usleep(50000);
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44 ioctl(target_fd, TIOCMBIC, &mctl_arg);
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45 exit(0);
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46 }