FreeCalypso > hg > sms-coding-utils
annotate enc-text/main.c @ 30:d7571dc2fecc
doc: encoder/generator portion is now just one part
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 13 Jun 2024 23:16:04 +0000 |
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1 /* |
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2 * This is the main module for sms-encode-text utility. |
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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 <stdlib.h> |
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8 #include <string.h> |
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9 #include <strings.h> |
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10 #include <unistd.h> |
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11 #include "defs.h" |
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12 |
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13 int utf8_input, ucs2_mode, allow_escape; |
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14 int concat_enable, concat_refno_set; |
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15 char msgtext[MAX_MSG_CHARS*3+2]; |
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16 u_char concat_refno; |
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17 |
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18 process_cmdline(argc, argv) |
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19 char **argv; |
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20 { |
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21 int c; |
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22 extern int optind; |
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23 extern char *optarg; |
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24 |
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25 while ((c = getopt(argc, argv, "cC:euU")) != EOF) { |
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26 switch (c) { |
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27 case 'c': |
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28 concat_enable = 1; |
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29 continue; |
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30 case 'C': |
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31 concat_enable = 1; |
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32 concat_refno = strtoul(optarg, 0, 0); |
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33 concat_refno_set = 1; |
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34 continue; |
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35 case 'e': |
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36 allow_escape = 1; |
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37 continue; |
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38 case 'u': |
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39 utf8_input = 1; |
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40 continue; |
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41 case 'U': |
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42 ucs2_mode = 1; |
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43 continue; |
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44 default: |
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45 /* error msg already printed */ |
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46 exit(1); |
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47 } |
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48 } |
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49 if (argc > optind + 1) { |
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50 fprintf(stderr, "usage: %s [options] [message]\n", argv[0]); |
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51 exit(1); |
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52 } |
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53 if (argc < optind + 1) |
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54 return(0); |
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55 if (strlen(argv[optind]) > MAX_MSG_CHARS*3) { |
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56 fprintf(stderr, "error: message argument is too long\n"); |
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57 exit(1); |
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58 } |
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59 strcpy(msgtext, argv[optind]); |
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60 return(1); |
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61 } |
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62 |
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63 read_msgtext_from_stdin() |
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64 { |
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65 unsigned pos, remain; |
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66 int cc; |
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67 |
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68 pos = 0; |
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69 remain = sizeof(msgtext); |
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70 for (;;) { |
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71 if (!remain) { |
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72 fprintf(stderr, |
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73 "error: message on stdin is too long\n"); |
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74 exit(1); |
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75 } |
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76 cc = read(0, msgtext + pos, remain); |
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77 if (cc < 0) { |
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78 fprintf(stderr, "error reading message from stdin\n"); |
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79 exit(1); |
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80 } |
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81 if (cc == 0) |
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82 break; |
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83 pos += cc; |
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84 remain -= cc; |
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85 } |
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86 msgtext[pos] = '\0'; |
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87 } |
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88 |
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89 trim_trailing_newlines() |
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90 { |
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91 char *cp; |
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92 |
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93 cp = index(msgtext, '\0'); |
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94 while (cp > msgtext && cp[-1] == '\n') |
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95 cp--; |
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96 *cp = '\0'; |
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97 } |
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98 |
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99 main(argc, argv) |
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100 char **argv; |
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101 { |
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102 if (!process_cmdline(argc, argv)) |
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103 read_msgtext_from_stdin(); |
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104 trim_trailing_newlines(); |
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105 if (ucs2_mode) |
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106 ucs2_mode_main(); |
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107 else |
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108 gsm7_mode_main(); |
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109 } |