FreeCalypso > hg > freecalypso-tools

annotate rvinterf/lowlevel/rviflcd.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 a626f0ef542a
children
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1 /*
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2 * This rvinterf module implements the piping of LCD output to fc-lcdemu
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3 */
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4
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5 #include <sys/types.h>
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6 #include <stdio.h>
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7 #include <string.h>
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8 #include <strings.h>
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9 #include <stdlib.h>
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10 #include <unistd.h>
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11
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12 extern u_char rxpkt[];
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13 extern size_t rxpkt_len;
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15 char *extlcd_program;
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16 FILE *extlcd_pout;
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18 void
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19 open_extlcd_pipe()
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20 {
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21 extlcd_pout = popen(extlcd_program, "w");
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22 if (!extlcd_pout) {
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23 perror(extlcd_program);
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24 exit(1);
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25 }
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26 }
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28 void
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29 output_to_extlcd()
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30 {
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31 int i;
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32
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33 fprintf(extlcd_pout, "%u %u ", rxpkt[1], rxpkt[2]);
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34 for (i = 3; i < rxpkt_len; i += 2)
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35 fprintf(extlcd_pout, "%02X%02X", rxpkt[i+1] ^ 0xFF,
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36 rxpkt[i] ^ 0xFF);
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37 fputc('\n', extlcd_pout);
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38 fflush(extlcd_pout);
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39 }