comparison: src/stringtable.cxx
src/stringtable.cxx
- changeset 71
- 11f23fabf8a6
- child 72
- 03e4d9db3fd9
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| 70:fc257920ac00 | 71:11f23fabf8a6 |
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| 1 /* | |
| 2 * botc source code | |
| 3 * Copyright (C) 2012 Santeri `Dusk` Piippo | |
| 4 * All rights reserved. | |
| 5 * | |
| 6 * Redistribution and use in source and binary forms, with or without | |
| 7 * modification, are permitted provided that the following conditions are met: | |
| 8 * | |
| 9 * 1. Redistributions of source code must retain the above copyright notice, | |
| 10 * this list of conditions and the following disclaimer. | |
| 11 * 2. Redistributions in binary form must reproduce the above copyright notice, | |
| 12 * this list of conditions and the following disclaimer in the documentation | |
| 13 * and/or other materials provided with the distribution. | |
| 14 * 3. Neither the name of the developer nor the names of its contributors may | |
| 15 * be used to endorse or promote products derived from this software without | |
| 16 * specific prior written permission. | |
| 17 * 4. Redistributions in any form must be accompanied by information on how to | |
| 18 * obtain complete source code for the software and any accompanying | |
| 19 * software that uses the software. The source code must either be included | |
| 20 * in the distribution or be available for no more than the cost of | |
| 21 * distribution plus a nominal fee, and must be freely redistributable | |
| 22 * under reasonable conditions. For an executable file, complete source | |
| 23 * code means the source code for all modules it contains. It does not | |
| 24 * include source code for modules or files that typically accompany the | |
| 25 * major components of the operating system on which the executable file | |
| 26 * runs. | |
| 27 * | |
| 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| 32 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 38 * POSSIBILITY OF SUCH DAMAGE. | |
| 39 */ | |
| 40 | |
| 41 #define __STRINGTABLE_CXX__ | |
| 42 #include <stdio.h> | |
| 43 #include <stdlib.h> | |
| 44 #include <string.h> | |
| 45 #include "common.h" | |
| 46 #include "bots.h" | |
| 47 #include "stringtable.h" | |
| 48 | |
| 49 // ============================================================================ | |
| 50 // Initializes the string table | |
| 51 void InitStringTable() { | |
| 52 // Zero out everything first. | |
| 53 for (unsigned int a = 0; a < MAX_LIST_STRINGS; a++) | |
| 54 for (unsigned int b = 0; b < MAX_STRING_LENGTH; b++) | |
| 55 g_StringTable[a][b] = 0; | |
| 56 } | |
| 57 | |
| 58 // ============================================================================ | |
| 59 // Potentially adds a string to the table and returns the index of it. | |
| 60 unsigned int PushToStringTable (char* s) { | |
| 61 // Must not be too long. | |
| 62 if (strlen (s) >= MAX_STRING_LENGTH) | |
| 63 error ("string `%s` too long (%d characters max)\n", s, strlen (s)); | |
| 64 | |
| 65 // Find a free slot in the table. | |
| 66 unsigned int a; | |
| 67 for (a = 0; a < MAX_LIST_STRINGS; a++) { | |
| 68 // String is already in the table, thus return it. | |
| 69 if (!strcmp (s, g_StringTable[a])) | |
| 70 return a; | |
| 71 | |
| 72 // String is empty, thus it's free. | |
| 73 if (!strlen (g_StringTable[a])) | |
| 74 break; | |
| 75 } | |
| 76 | |
| 77 // no free slots! | |
| 78 if (a == MAX_LIST_STRINGS) | |
| 79 error ("too many strings defined!\n"); | |
| 80 | |
| 81 // Determine the length | |
| 82 size_t l1 = strlen (s); | |
| 83 size_t l2 = MAX_LIST_STRINGS - 1; | |
| 84 size_t len = (l1 < l2) ? l1 : l2; | |
| 85 | |
| 86 // Now, dump the string into the slot | |
| 87 strncpy (g_StringTable[a], s, len); | |
| 88 g_StringTable[a][len] = 0; | |
| 89 | |
| 90 return a; | |
| 91 } | |
| 92 | |
| 93 // ============================================================================ | |
| 94 // Counts the amount of strings in the table. | |
| 95 unsigned int CountStringTable () { | |
| 96 unsigned int count = 0; | |
| 97 for (unsigned int a = 0; a < MAX_LIST_STRINGS; a++) { | |
| 98 if (!strlen (g_StringTable[a])) | |
| 99 break; | |
| 100 else | |
| 101 count++; | |
| 102 } | |
| 103 return count; | |
| 104 } |
