annotate rvinterf/old/libg23/fmtfunc.c @ 1011:6d9b10633f10 default tip

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 4c601097d23f
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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0
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1 /*
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Mychaela Falconia <falcon@freecalypso.org>
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2 * This libg23 module exports functions for formatting 3 different kinds
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Mychaela Falconia <falcon@freecalypso.org>
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3 * of GPF packets into human-readable form: traces, system primitives
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Mychaela Falconia <falcon@freecalypso.org>
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4 * and protocol stack primitives.
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Mychaela Falconia <falcon@freecalypso.org>
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5 *
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Mychaela Falconia <falcon@freecalypso.org>
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6 * GPF packets passed to these functions for decoding MUST have already
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Mychaela Falconia <falcon@freecalypso.org>
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7 * been verified to be well-formed for their respective type.
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Mychaela Falconia <falcon@freecalypso.org>
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8 */
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Mychaela Falconia <falcon@freecalypso.org>
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9
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Mychaela Falconia <falcon@freecalypso.org>
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10 #include <sys/types.h>
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Mychaela Falconia <falcon@freecalypso.org>
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11 #include <ctype.h>
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12 #include <stdio.h>
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Mychaela Falconia <falcon@freecalypso.org>
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13 #include <string.h>
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Mychaela Falconia <falcon@freecalypso.org>
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14 #include <strings.h>
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Mychaela Falconia <falcon@freecalypso.org>
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15
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Mychaela Falconia <falcon@freecalypso.org>
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16 static int
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Mychaela Falconia <falcon@freecalypso.org>
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17 entity_name_well_formed(p)
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Mychaela Falconia <falcon@freecalypso.org>
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18 char *p;
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Mychaela Falconia <falcon@freecalypso.org>
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19 {
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Mychaela Falconia <falcon@freecalypso.org>
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20 int i, len;
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21
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Mychaela Falconia <falcon@freecalypso.org>
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22 if (!isupper(p[0]))
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Mychaela Falconia <falcon@freecalypso.org>
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23 return(0);
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Mychaela Falconia <falcon@freecalypso.org>
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24 for (i = 0; i < 4; i++)
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Mychaela Falconia <falcon@freecalypso.org>
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25 if (!isalnum(p[i]))
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Mychaela Falconia <falcon@freecalypso.org>
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26 break;
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Mychaela Falconia <falcon@freecalypso.org>
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27 len = i;
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28 for (; i < 4; i++)
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Mychaela Falconia <falcon@freecalypso.org>
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29 if (p[i] != ' ')
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30 return(0);
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31 return(len);
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Mychaela Falconia <falcon@freecalypso.org>
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32 }
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33
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34 static void
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Mychaela Falconia <falcon@freecalypso.org>
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35 print_entity_name(raw, outp)
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36 char *raw, **outp;
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37 {
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38 int len;
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Mychaela Falconia <falcon@freecalypso.org>
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39
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Mychaela Falconia <falcon@freecalypso.org>
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40 len = entity_name_well_formed(raw);
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Mychaela Falconia <falcon@freecalypso.org>
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41 if (len) {
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Mychaela Falconia <falcon@freecalypso.org>
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42 sprintf(*outp, "%.*s", len, raw);
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Mychaela Falconia <falcon@freecalypso.org>
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43 *outp += len;
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Mychaela Falconia <falcon@freecalypso.org>
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44 } else {
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Mychaela Falconia <falcon@freecalypso.org>
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45 sprintf(*outp, "\"%.4s\"", raw);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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46 *outp += 6;
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Mychaela Falconia <falcon@freecalypso.org>
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47 }
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Mychaela Falconia <falcon@freecalypso.org>
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48 }
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Mychaela Falconia <falcon@freecalypso.org>
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49
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Mychaela Falconia <falcon@freecalypso.org>
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50 static void
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Mychaela Falconia <falcon@freecalypso.org>
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51 print_common_hdr(rxpkt, outp, typestr)
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Mychaela Falconia <falcon@freecalypso.org>
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52 u_char *rxpkt;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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53 char **outp, *typestr;
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Mychaela Falconia <falcon@freecalypso.org>
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54 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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55 sprintf(*outp, "GPF %s id=%02X ts=%02X%02X%02X%02X ", typestr,
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Mychaela Falconia <falcon@freecalypso.org>
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56 rxpkt[1], rxpkt[7], rxpkt[6], rxpkt[5], rxpkt[4]);
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Mychaela Falconia <falcon@freecalypso.org>
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57 *outp = index(*outp, '\0');
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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58 print_entity_name(rxpkt + 8, outp);
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Mychaela Falconia <falcon@freecalypso.org>
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59 *(*outp)++ = '-';
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Mychaela Falconia <falcon@freecalypso.org>
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60 *(*outp)++ = '>';
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61 print_entity_name(rxpkt + 12, outp);
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62 *(*outp)++ = ' ';
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Mychaela Falconia <falcon@freecalypso.org>
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63 }
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64
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65 static void
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Mychaela Falconia <falcon@freecalypso.org>
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66 format_text(rxpkt, rxpkt_len, start_off, outp)
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Mychaela Falconia <falcon@freecalypso.org>
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67 u_char *rxpkt;
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68 char *outp;
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69 {
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Mychaela Falconia <falcon@freecalypso.org>
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70 int i, c;
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Mychaela Falconia <falcon@freecalypso.org>
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71
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Mychaela Falconia <falcon@freecalypso.org>
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72 *outp++ = '\"';
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Mychaela Falconia <falcon@freecalypso.org>
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73 for (i = start_off; i < rxpkt_len; i++) {
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Mychaela Falconia <falcon@freecalypso.org>
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74 c = rxpkt[i];
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Mychaela Falconia <falcon@freecalypso.org>
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75 if (c & 0x80) {
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Mychaela Falconia <falcon@freecalypso.org>
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76 *outp++ = 'M';
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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77 *outp++ = '-';
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Mychaela Falconia <falcon@freecalypso.org>
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78 c &= 0x7F;
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79 }
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parents:
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80 if (c < 0x20) {
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Mychaela Falconia <falcon@freecalypso.org>
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81 *outp++ = '^';
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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82 *outp++ = c + '@';
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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83 } else if (c == 0x7F) {
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84 *outp++ = '^';
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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85 *outp++ = '?';
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Mychaela Falconia <falcon@freecalypso.org>
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86 } else
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87 *outp++ = c;
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Mychaela Falconia <falcon@freecalypso.org>
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88 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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89 *outp++ = '\"';
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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90 *outp = '\0';
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Mychaela Falconia <falcon@freecalypso.org>
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91 }
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92
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Mychaela Falconia <falcon@freecalypso.org>
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93 static void
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Mychaela Falconia <falcon@freecalypso.org>
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94 format_compressed_trace(rxpkt, rxpkt_len, start_off, outp)
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Mychaela Falconia <falcon@freecalypso.org>
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95 u_char *rxpkt;
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Mychaela Falconia <falcon@freecalypso.org>
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96 char *outp;
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Mychaela Falconia <falcon@freecalypso.org>
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97 {
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Mychaela Falconia <falcon@freecalypso.org>
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98 int i;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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99
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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100 i = start_off + 1;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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101 sprintf(outp, "%d", rxpkt[i+1] << 8 | rxpkt[i]);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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102 outp = index(outp, '\0');
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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103 i += 4;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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104 for (; i < rxpkt_len; i++) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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105 sprintf(outp, " %02X", rxpkt[i]);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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106 outp += 3;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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107 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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108 *outp = '\0';
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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109 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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110
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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111 void
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 format_g23_trace(rxpkt, rxpkt_len, outbuf)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 u_char *rxpkt;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 char *outbuf;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 char *outp = outbuf;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 int i;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 print_common_hdr(rxpkt, &outp, "trace");
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 i = 16;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 if (rxpkt[i] < 0x20) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 sprintf(outp, "tc=%02X ", rxpkt[i]);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 outp += 6;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 i++;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 if (rxpkt_len - i >= 5 && rxpkt[i] == '%' &&
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 !rxpkt[i+3] && !rxpkt[i+4])
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 format_compressed_trace(rxpkt, rxpkt_len, i, outp);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 else
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 format_text(rxpkt, rxpkt_len, i, outp);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 void
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 format_g23_sysprim(rxpkt, rxpkt_len, outbuf)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 u_char *rxpkt;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 char *outbuf;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 char *outp = outbuf;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 int i;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 print_common_hdr(rxpkt, &outp, "sysprim");
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
142 format_text(rxpkt, rxpkt_len, 16, outp);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
143 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
144
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 void
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 format_g23_psprim(rxpkt, rxpkt_len, outbuf)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 u_char *rxpkt;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 char *outbuf;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 char *outp = outbuf;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 int i;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
152
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 print_common_hdr(rxpkt, &outp, "PSprim");
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 /* original destination */
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 *outp++ = '(';
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 print_entity_name(rxpkt + 16, &outp);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 *outp++ = ')';
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 /* opcode */
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159 sprintf(outp, " %02X%02X%02X%02X",
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 rxpkt[23], rxpkt[22], rxpkt[21], rxpkt[20]);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 outp += 9;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 for (i = 24; i < rxpkt_len; i++) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 sprintf(outp, " %02X", rxpkt[i]);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 outp += 3;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 *outp = '\0';
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167 }