FreeCalypso > hg > freecalypso-tools

annotate ffstools/newcomp/compile-fc-batt.c @ 921:74d284add54d

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fc-fsio: guard against bogus readdir results from the target If the FFS being operated on contains SE K2x0 extended filenames, readdir will return strings that are bad for printing. We need to guard against this possibility, and also against possible other bogosity that could be sent by other alien firmwares.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 31 Dec 2022 22:55:23 +0000
parents c79aaed75bd8
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
318
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
c79aaed75bd8 compile-fc-batt: allow possible third field in source lines
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3 * of FreeCalypso battery management code from ASCII source into the binary
c79aaed75bd8 compile-fc-batt: allow possible third field in source lines
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4 * form suitable for uploading into /etc/batterytab on a FreeCalypso device.
318
182c3ae209f6 compile-fc-batt tool written, compiles
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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
Mychaela Falconia <falcon@freecalypso.org>
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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"
182c3ae209f6 compile-fc-batt tool written, compiles
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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
Mychaela Falconia <falcon@freecalypso.org>
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16 char linebuf[256];
182c3ae209f6 compile-fc-batt tool written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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17 int lineno, record_count;
182c3ae209f6 compile-fc-batt tool written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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18 unsigned last_mv, last_percent;
182c3ae209f6 compile-fc-batt tool written, compiles
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19
182c3ae209f6 compile-fc-batt tool written, compiles
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20 process_line()
182c3ae209f6 compile-fc-batt tool written, compiles
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21 {
182c3ae209f6 compile-fc-batt tool written, compiles
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22 char *cp;
182c3ae209f6 compile-fc-batt tool written, compiles
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23 unsigned mv, percent;
182c3ae209f6 compile-fc-batt tool written, compiles
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24
182c3ae209f6 compile-fc-batt tool written, compiles
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25 for (cp = linebuf; isspace(*cp); cp++)
182c3ae209f6 compile-fc-batt tool written, compiles
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26 ;
182c3ae209f6 compile-fc-batt tool written, compiles
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27 if (*cp == '\0' || *cp == '#')
182c3ae209f6 compile-fc-batt tool written, compiles
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28 return(0);
182c3ae209f6 compile-fc-batt tool written, compiles
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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,
182c3ae209f6 compile-fc-batt tool written, compiles
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31 lineno);
182c3ae209f6 compile-fc-batt tool written, compiles
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32 exit(ERROR_USAGE);
182c3ae209f6 compile-fc-batt tool written, compiles
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33 }
182c3ae209f6 compile-fc-batt tool written, compiles
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34 mv = strtoul(cp, 0, 10);
182c3ae209f6 compile-fc-batt tool written, compiles
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35 while (isdigit(*cp))
182c3ae209f6 compile-fc-batt tool written, compiles
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36 cp++;
182c3ae209f6 compile-fc-batt tool written, compiles
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37 if (!isspace(*cp))
182c3ae209f6 compile-fc-batt tool written, compiles
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38 goto inv;
182c3ae209f6 compile-fc-batt tool written, compiles
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39 while (isspace(*cp))
182c3ae209f6 compile-fc-batt tool written, compiles
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40 cp++;
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41 if (!isdigit(*cp))
182c3ae209f6 compile-fc-batt tool written, compiles
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42 goto inv;
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43 percent = strtoul(cp, 0, 10);
182c3ae209f6 compile-fc-batt tool written, compiles
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44 while (isdigit(*cp))
182c3ae209f6 compile-fc-batt tool written, compiles
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45 cp++;
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46 if (*cp && !isspace(*cp))
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182c3ae209f6 compile-fc-batt tool written, compiles
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47 goto inv;
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48 /* ignore possible third field added in 2020-11 for bars threshold */
318
182c3ae209f6 compile-fc-batt tool written, compiles
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49 if (mv > 0xFFFF) {
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50 fprintf(stderr, "%s line %d: the millivolt value is invalid\n",
182c3ae209f6 compile-fc-batt tool written, compiles
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51 infname, lineno);
182c3ae209f6 compile-fc-batt tool written, compiles
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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);
182c3ae209f6 compile-fc-batt tool written, compiles
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58 }
182c3ae209f6 compile-fc-batt tool written, compiles
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59 if (record_count) {
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60 if (mv >= last_mv) {
182c3ae209f6 compile-fc-batt tool written, compiles
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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",
182c3ae209f6 compile-fc-batt tool written, compiles
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63 infname, lineno);
182c3ae209f6 compile-fc-batt tool written, compiles
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64 exit(ERROR_USAGE);
182c3ae209f6 compile-fc-batt tool written, compiles
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65 }
182c3ae209f6 compile-fc-batt tool written, compiles
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66 if (percent >= last_percent) {
182c3ae209f6 compile-fc-batt tool written, compiles
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67 fprintf(stderr,
182c3ae209f6 compile-fc-batt tool written, compiles
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68 "%s line %d: percent numbers must be decreasing\n",
182c3ae209f6 compile-fc-batt tool written, compiles
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69 infname, lineno);
182c3ae209f6 compile-fc-batt tool written, compiles
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70 exit(ERROR_USAGE);
182c3ae209f6 compile-fc-batt tool written, compiles
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71 }
182c3ae209f6 compile-fc-batt tool written, compiles
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72 }
182c3ae209f6 compile-fc-batt tool written, compiles
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73 putc(mv, outf);
182c3ae209f6 compile-fc-batt tool written, compiles
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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 }
182c3ae209f6 compile-fc-batt tool written, compiles
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82
182c3ae209f6 compile-fc-batt tool written, compiles
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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
Mychaela Falconia <falcon@freecalypso.org>
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92 if (!inf) {
182c3ae209f6 compile-fc-batt tool written, compiles
Mychaela Falconia <falcon@freecalypso.org>
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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
Mychaela Falconia <falcon@freecalypso.org>
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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
Mychaela Falconia <falcon@freecalypso.org>
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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 }