FreeCalypso > hg > fc-sim-tools

annotate libcommon/dispatch.c @ 93:6041c601304d

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fcsim1-mkprov: revert OTA key addition It appears that GrcardSIM2 cards (which is what we got for FCSIM1) do not support OTA after all, contrary to what we were previously led to believe by some tech support emails from Grcard - apparently those support emails and OTA descriptions referred to some other card model(s).
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 21 Apr 2021 05:38:39 +0000
parents b7ee2e85686b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * This module implements common command dispatch for our SIM tools.
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3 */
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4
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5 #include <ctype.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 "cmdtab.h"
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11
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12 extern struct cmdtab cmdtab[];
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13
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14 static FILE *
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15 handle_output_redir(str)
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16 char *str;
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17 {
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18 char *cp, *fn;
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19 FILE *outf;
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20
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21 for (cp = str; isspace(*cp); cp++)
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22 ;
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23 if (!*cp || *cp == '#') {
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24 fprintf(stderr, "error: no filename after '>'\n");
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25 return(0);
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26 }
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27 for (fn = cp; *cp && !isspace(*cp); cp++)
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28 ;
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29 if (*cp)
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30 *cp++ = '\0';
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31 while (isspace(*cp))
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32 cp++;
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33 if (*cp && *cp != '#') {
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34 fprintf(stderr, "error: invalid syntax after '>'\n");
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35 return(0);
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36 }
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37 outf = fopen(fn, "w");
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38 if (!outf)
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39 perror(fn);
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40 return outf;
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41 }
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42
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43 simtool_dispatch_cmd(cmd, is_script)
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44 char *cmd;
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45 {
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46 char *argv[20];
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47 char *cp, **ap;
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48 struct cmdtab *tp;
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49 FILE *outf;
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50 int rc;
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51
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52 for (cp = cmd; isspace(*cp); cp++)
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53 ;
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54 if (!*cp || *cp == '#')
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55 return(0);
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56 if (is_script)
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57 printf("Script command: %s\n", cp);
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58 if (*cp == '!')
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59 return system(cp + 1);
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60 argv[0] = cp;
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61 while (*cp && !isspace(*cp))
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62 cp++;
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63 if (*cp)
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64 *cp++ = '\0';
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65 for (tp = cmdtab; tp->cmd; tp++)
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66 if (!strcmp(tp->cmd, argv[0]))
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67 break;
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68 if (!tp->func) {
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69 fprintf(stderr, "error: no such command\n");
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70 return(-1);
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71 }
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72 for (ap = argv + 1; ; ) {
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73 while (isspace(*cp))
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74 cp++;
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75 if (!*cp || *cp == '#' || *cp == '>')
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76 break;
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77 if (ap - argv - 1 >= tp->maxargs) {
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78 fprintf(stderr, "error: too many arguments\n");
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79 return(-1);
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80 }
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81 if (*cp == '"') {
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82 *ap++ = ++cp;
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83 for (;;) {
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84 if (!*cp) {
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85 unterm_qstring: fprintf(stderr,
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86 "error: unterminated quoted string\n");
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87 return(-1);
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88 }
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89 if (*cp == '"')
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90 break;
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91 if (*cp++ == '\\') {
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92 if (!*cp)
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93 goto unterm_qstring;
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94 cp++;
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95 }
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96 }
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97 *cp++ = '\0';
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98 } else {
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99 *ap++ = cp;
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100 while (*cp && !isspace(*cp))
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101 cp++;
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102 if (*cp)
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103 *cp++ = '\0';
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104 }
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105 }
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106 if (ap - argv - 1 < tp->minargs) {
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107 fprintf(stderr, "error: too few arguments\n");
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108 return(-1);
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109 }
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110 *ap = 0;
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111 if (*cp == '>') {
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112 if (!tp->allow_redir) {
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113 fprintf(stderr,
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114 "error: command does not support output redirection\n");
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115 return(-1);
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116 }
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117 outf = handle_output_redir(cp + 1);
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118 if (!outf)
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119 return(-1);
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120 } else
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121 outf = stdout;
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122 rc = tp->func(ap - argv, argv, outf);
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123 if (outf != stdout)
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124 fclose(outf);
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125 return rc;
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126 }
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127
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128 dispatch_ready_argv(argc, argv)
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129 char **argv;
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130 {
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131 struct cmdtab *tp;
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132
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133 for (tp = cmdtab; tp->cmd; tp++)
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134 if (!strcmp(tp->cmd, argv[0]))
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135 break;
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136 if (!tp->func) {
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137 fprintf(stderr, "error: no such command\n");
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138 return(-1);
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139 }
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140 if (argc - 1 > tp->maxargs) {
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141 fprintf(stderr, "error: too many arguments\n");
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142 return(-1);
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143 }
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144 if (argc - 1 < tp->minargs) {
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145 fprintf(stderr, "error: too few arguments\n");
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146 return(-1);
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147 }
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148 return tp->func(argc, argv, stdout);
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149 }