annotate rvinterf/etmsync/dispatch.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 e7502631a0f9
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 module implements the command dispatch for fc-fsio
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Mychaela Falconia <falcon@freecalypso.org>
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3 * and possibly other similar utilities in the future.
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Mychaela Falconia <falcon@freecalypso.org>
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4 */
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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 #include <ctype.h>
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Mychaela Falconia <falcon@freecalypso.org>
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7 #include <stdio.h>
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Mychaela Falconia <falcon@freecalypso.org>
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8 #include <string.h>
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Mychaela Falconia <falcon@freecalypso.org>
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9 #include <strings.h>
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10 #include <stdlib.h>
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Mychaela Falconia <falcon@freecalypso.org>
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11 #include "cmdtab.h"
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Mychaela Falconia <falcon@freecalypso.org>
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12 #include "exitcodes.h"
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Mychaela Falconia <falcon@freecalypso.org>
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13
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Mychaela Falconia <falcon@freecalypso.org>
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14 extern struct cmdtab cmdtab[];
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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 parse_and_dispatch_cmd(cmd, is_script)
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Mychaela Falconia <falcon@freecalypso.org>
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17 char *cmd;
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Mychaela Falconia <falcon@freecalypso.org>
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18 {
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Mychaela Falconia <falcon@freecalypso.org>
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19 char *argv[MAX_CMD_ARGS+2];
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Mychaela Falconia <falcon@freecalypso.org>
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20 char *cp, **ap;
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Mychaela Falconia <falcon@freecalypso.org>
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21 struct cmdtab *tp;
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22
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Mychaela Falconia <falcon@freecalypso.org>
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23 for (cp = cmd; isspace(*cp); cp++)
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Mychaela Falconia <falcon@freecalypso.org>
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24 ;
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Mychaela Falconia <falcon@freecalypso.org>
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25 if (!*cp || *cp == '#')
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Mychaela Falconia <falcon@freecalypso.org>
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26 return(0);
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Mychaela Falconia <falcon@freecalypso.org>
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27 if (is_script)
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Mychaela Falconia <falcon@freecalypso.org>
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28 printf("Script command: %s\n", cp);
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29 argv[0] = cp;
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30 while (*cp && !isspace(*cp))
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Mychaela Falconia <falcon@freecalypso.org>
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31 cp++;
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Mychaela Falconia <falcon@freecalypso.org>
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32 if (*cp)
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Mychaela Falconia <falcon@freecalypso.org>
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33 *cp++ = '\0';
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Mychaela Falconia <falcon@freecalypso.org>
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34 for (tp = cmdtab; tp->cmd; tp++)
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Mychaela Falconia <falcon@freecalypso.org>
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35 if (!strcmp(tp->cmd, argv[0]))
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Mychaela Falconia <falcon@freecalypso.org>
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36 break;
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Mychaela Falconia <falcon@freecalypso.org>
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37 if (!tp->func) {
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Mychaela Falconia <falcon@freecalypso.org>
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38 fprintf(stderr, "error: no such command\n");
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Mychaela Falconia <falcon@freecalypso.org>
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39 return(ERROR_USAGE);
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Mychaela Falconia <falcon@freecalypso.org>
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40 }
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Mychaela Falconia <falcon@freecalypso.org>
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41 for (ap = argv + 1; ; ) {
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42 while (isspace(*cp))
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Mychaela Falconia <falcon@freecalypso.org>
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43 cp++;
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Mychaela Falconia <falcon@freecalypso.org>
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44 if (!*cp || *cp == '#')
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Mychaela Falconia <falcon@freecalypso.org>
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45 break;
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Mychaela Falconia <falcon@freecalypso.org>
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46 if (ap - argv - 1 >= tp->maxargs) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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47 fprintf(stderr, "error: too many arguments\n");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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48 return(ERROR_USAGE);
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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 if (*cp == '"') {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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51 *ap++ = ++cp;
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Mychaela Falconia <falcon@freecalypso.org>
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52 while (*cp && *cp != '"')
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Mychaela Falconia <falcon@freecalypso.org>
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53 cp++;
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Mychaela Falconia <falcon@freecalypso.org>
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54 if (*cp != '"') {
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Mychaela Falconia <falcon@freecalypso.org>
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55 fprintf(stderr,
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Mychaela Falconia <falcon@freecalypso.org>
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56 "error: unterminated quoted string\n");
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57 return(ERROR_USAGE);
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Mychaela Falconia <falcon@freecalypso.org>
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58 }
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Mychaela Falconia <falcon@freecalypso.org>
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59 *cp++ = '\0';
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60 } else {
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61 *ap++ = cp;
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62 while (*cp && !isspace(*cp))
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Mychaela Falconia <falcon@freecalypso.org>
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63 cp++;
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Mychaela Falconia <falcon@freecalypso.org>
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64 if (*cp)
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65 *cp++ = '\0';
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66 }
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Mychaela Falconia <falcon@freecalypso.org>
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67 }
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Mychaela Falconia <falcon@freecalypso.org>
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68 if (ap - argv - 1 < tp->minargs) {
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Mychaela Falconia <falcon@freecalypso.org>
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69 fprintf(stderr, "error: too few arguments\n");
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70 return(ERROR_USAGE);
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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 *ap = 0;
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Mychaela Falconia <falcon@freecalypso.org>
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73 return tp->func(ap - argv, argv);
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Mychaela Falconia <falcon@freecalypso.org>
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74 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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75
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Mychaela Falconia <falcon@freecalypso.org>
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76 dispatch_ready_argv(argc, argv)
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77 char **argv;
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78 {
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Mychaela Falconia <falcon@freecalypso.org>
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79 struct cmdtab *tp;
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80
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81 for (tp = cmdtab; tp->cmd; tp++)
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Mychaela Falconia <falcon@freecalypso.org>
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82 if (!strcmp(tp->cmd, argv[0]))
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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83 break;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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84 if (!tp->func) {
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Mychaela Falconia <falcon@freecalypso.org>
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85 fprintf(stderr, "error: no such command\n");
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Mychaela Falconia <falcon@freecalypso.org>
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86 return(ERROR_USAGE);
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Mychaela Falconia <falcon@freecalypso.org>
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87 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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88 if (argc - 1 > tp->maxargs) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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89 fprintf(stderr, "error: too many arguments\n");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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90 return(ERROR_USAGE);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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91 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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92 if (argc - 1 < tp->minargs) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 fprintf(stderr, "error: too few arguments\n");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 return(ERROR_USAGE);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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96 return tp->func(argc, argv);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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98
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 cmd_exec(argc, argv)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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100 char **argv;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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101 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 FILE *f;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 char linebuf[512], *cp;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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104 int lineno, retval = 0;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 f = fopen(argv[1], "r");
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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107 if (!f) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
108 perror(argv[1]);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 return(ERROR_USAGE);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
110 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111 for (lineno = 1; fgets(linebuf, sizeof linebuf, f); lineno++) {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 cp = index(linebuf, '\n');
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 if (!cp) {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 fprintf(stderr, "%s line %d: missing newline\n",
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 argv[1], lineno);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 fclose(f);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 return(ERROR_USAGE);
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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 *cp = '\0';
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 retval = parse_and_dispatch_cmd(linebuf, 1);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 if (retval)
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 break;
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 fclose(f);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 return(retval);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 }
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 cmd_exit()
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 {
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 exit(0);
e7502631a0f9 initial import from freecalypso-sw rev 1033:5ab737ac3ad7
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 }