1 | /**************************************************************************
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2 | *
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3 | * mg_errors.cpp -- Error related stuff for mgquery
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4 | * Copyright (C) 1994 Neil Sharman
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5 | *
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6 | * This program is free software; you can redistribute it and/or modify
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7 | * it under the terms of the GNU General Public License as published by
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8 | * the Free Software Foundation; either version 2 of the License, or
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9 | * (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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19 | *
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20 | * $Id: mg_errors.cpp 856 2000-01-14 02:26:25Z sjboddie $
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21 | *
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22 | **************************************************************************/
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23 |
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24 | #include "sysfuncs.h"
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25 | #include "memlib.h"
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26 |
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27 | #include "mg_errors.h"
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28 |
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29 |
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30 |
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31 | int mg_errno = MG_NOERROR;
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32 |
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33 | char *mg_errorstrs[] =
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34 | {
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35 | "No error",
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36 | "Out of memory",
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37 | "File \"%s\" not found",
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38 | "Bad magic number in \"%s\"",
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39 | "Error reading \"%s\"",
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40 | "MG_BUFTOOSMALL",
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41 | "Files required for level 2 and 3 inversion are missing"};
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42 |
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43 |
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44 | /* [RJM 07/98: Memory Leak] -- rest of file */
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45 |
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46 | static char null_data[] = "";
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47 | char *mg_error_data = null_data;
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48 |
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49 |
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50 | void MgErrorData (char *s)
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51 | {
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52 | /* free the current error string, unless it is the null string */
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53 | if ((mg_error_data != NULL) && (mg_error_data != null_data)) {
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54 | delete mg_error_data;
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55 | mg_error_data = null_data;
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56 | }
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57 |
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58 | /* make a copy of the string */
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59 | mg_error_data = Xstrdup (s);
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60 |
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61 | /* if the alloc failed set the error to the null string */
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62 | if (!mg_error_data) mg_error_data = null_data;
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63 | }
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64 |
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65 |
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66 | void MgErrorDeinit (void)
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67 | {
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68 | /* free the current error string, unless it is the null string */
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69 | if ((mg_error_data != NULL) && (mg_error_data != null_data)) {
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70 | delete mg_error_data;
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71 | mg_error_data = null_data;
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72 | }
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73 | }
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