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annotate ffstools/newcomp/compile-fc-batt.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 c79aaed75bd8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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182c3ae209f6 compile-fc-batt tool written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * This utility compiles a table of battery thresholds for the 2017-12 version
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3 * of FreeCalypso battery management code from ASCII source into the binary
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4 * form suitable for uploading into /etc/batterytab on a FreeCalypso device.
318
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5 */
182c3ae209f6 compile-fc-batt tool written, compiles
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6
182c3ae209f6 compile-fc-batt tool written, compiles
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7 #include <ctype.h>
182c3ae209f6 compile-fc-batt tool written, compiles
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8 #include <string.h>
182c3ae209f6 compile-fc-batt tool written, compiles
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9 #include <strings.h>
182c3ae209f6 compile-fc-batt tool written, compiles
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10 #include <stdio.h>
182c3ae209f6 compile-fc-batt tool written, compiles
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11 #include <stdlib.h>
182c3ae209f6 compile-fc-batt tool written, compiles
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12 #include "../../rvinterf/include/exitcodes.h"
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13
182c3ae209f6 compile-fc-batt tool written, compiles
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14 char *infname;
182c3ae209f6 compile-fc-batt tool written, compiles
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15 FILE *inf, *outf;
182c3ae209f6 compile-fc-batt tool written, compiles
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16 char linebuf[256];
182c3ae209f6 compile-fc-batt tool written, compiles
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17 int lineno, record_count;
182c3ae209f6 compile-fc-batt tool written, compiles
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18 unsigned last_mv, last_percent;
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19
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20 process_line()
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21 {
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22 char *cp;
182c3ae209f6 compile-fc-batt tool written, compiles
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23 unsigned mv, percent;
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24
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25 for (cp = linebuf; isspace(*cp); cp++)
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26 ;
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27 if (*cp == '\0' || *cp == '#')
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28 return(0);
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29 if (!isdigit(*cp)) {
182c3ae209f6 compile-fc-batt tool written, compiles
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30 inv: fprintf(stderr, "%s line %d: invalid syntax\n", infname,
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31 lineno);
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32 exit(ERROR_USAGE);
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33 }
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34 mv = strtoul(cp, 0, 10);
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35 while (isdigit(*cp))
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36 cp++;
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37 if (!isspace(*cp))
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38 goto inv;
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39 while (isspace(*cp))
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40 cp++;
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41 if (!isdigit(*cp))
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42 goto inv;
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43 percent = strtoul(cp, 0, 10);
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44 while (isdigit(*cp))
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45 cp++;
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46 if (*cp && !isspace(*cp))
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47 goto inv;
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48 /* ignore possible third field added in 2020-11 for bars threshold */
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49 if (mv > 0xFFFF) {
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50 fprintf(stderr, "%s line %d: the millivolt value is invalid\n",
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51 infname, lineno);
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52 exit(ERROR_USAGE);
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53 }
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54 if (percent > 100) {
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55 fprintf(stderr, "%s line %d: the percent value is invalid\n",
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56 infname, lineno);
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57 exit(ERROR_USAGE);
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58 }
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59 if (record_count) {
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60 if (mv >= last_mv) {
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61 fprintf(stderr,
182c3ae209f6 compile-fc-batt tool written, compiles
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62 "%s line %d: millivolt numbers must be decreasing\n",
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63 infname, lineno);
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64 exit(ERROR_USAGE);
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65 }
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66 if (percent >= last_percent) {
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67 fprintf(stderr,
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68 "%s line %d: percent numbers must be decreasing\n",
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69 infname, lineno);
182c3ae209f6 compile-fc-batt tool written, compiles
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70 exit(ERROR_USAGE);
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71 }
182c3ae209f6 compile-fc-batt tool written, compiles
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72 }
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73 putc(mv, outf);
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74 putc(mv >> 8, outf);
182c3ae209f6 compile-fc-batt tool written, compiles
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75 putc(percent, outf);
182c3ae209f6 compile-fc-batt tool written, compiles
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76 putc(0, outf);
182c3ae209f6 compile-fc-batt tool written, compiles
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77 last_mv = mv;
182c3ae209f6 compile-fc-batt tool written, compiles
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78 last_percent = percent;
182c3ae209f6 compile-fc-batt tool written, compiles
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79 record_count++;
182c3ae209f6 compile-fc-batt tool written, compiles
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80 return(1);
182c3ae209f6 compile-fc-batt tool written, compiles
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81 }
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82
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83 main(argc, argv)
182c3ae209f6 compile-fc-batt tool written, compiles
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84 char **argv;
182c3ae209f6 compile-fc-batt tool written, compiles
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85 {
182c3ae209f6 compile-fc-batt tool written, compiles
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86 if (argc != 3) {
182c3ae209f6 compile-fc-batt tool written, compiles
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87 fprintf(stderr, "usage: %s srcfile output-binfile\n", argv[0]);
182c3ae209f6 compile-fc-batt tool written, compiles
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88 exit(ERROR_USAGE);
182c3ae209f6 compile-fc-batt tool written, compiles
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89 }
182c3ae209f6 compile-fc-batt tool written, compiles
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90 infname = argv[1];
182c3ae209f6 compile-fc-batt tool written, compiles
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91 inf = fopen(infname, "r");
182c3ae209f6 compile-fc-batt tool written, compiles
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92 if (!inf) {
182c3ae209f6 compile-fc-batt tool written, compiles
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93 perror(infname);
182c3ae209f6 compile-fc-batt tool written, compiles
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94 exit(ERROR_UNIX);
182c3ae209f6 compile-fc-batt tool written, compiles
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95 }
182c3ae209f6 compile-fc-batt tool written, compiles
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96 outf = fopen(argv[2], "w");
182c3ae209f6 compile-fc-batt tool written, compiles
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97 if (!outf) {
182c3ae209f6 compile-fc-batt tool written, compiles
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98 perror(argv[2]);
182c3ae209f6 compile-fc-batt tool written, compiles
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99 exit(ERROR_UNIX);
182c3ae209f6 compile-fc-batt tool written, compiles
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100 }
182c3ae209f6 compile-fc-batt tool written, compiles
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101 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++)
182c3ae209f6 compile-fc-batt tool written, compiles
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102 process_line();
182c3ae209f6 compile-fc-batt tool written, compiles
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103 fclose(inf);
182c3ae209f6 compile-fc-batt tool written, compiles
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104 fclose(outf);
182c3ae209f6 compile-fc-batt tool written, compiles
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105 if (record_count)
182c3ae209f6 compile-fc-batt tool written, compiles
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106 exit(0);
182c3ae209f6 compile-fc-batt tool written, compiles
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107 fprintf(stderr, "error: %s is empty\n", infname);
182c3ae209f6 compile-fc-batt tool written, compiles
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108 exit(ERROR_USAGE);
182c3ae209f6 compile-fc-batt tool written, compiles
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109 }