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1 #include <assert.h>
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2 #include <stdio.h>
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3 #include <stdlib.h>
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4 #include <string.h>
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5 #include "dirtools.h"
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6 #include "config.h"
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7 #ifndef WIN32_LEAN_AND_MEAN
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8 # define WIN32_LEAN_AND_MEAN
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9 #endif
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10 #include <windows.h>
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11 #define MAX_LINE_LENGTH 128
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12
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13 static unsigned int crc32b(unsigned char *message) {
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14 int i, j;
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15 unsigned int byte, crc, mask;
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16
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17 i = 0;
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18 crc = 0xFFFFFFFF;
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19 while (message[i] != 0) {
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20 byte = message[i]; // Get next byte.
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21 crc = crc ^ byte;
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22 for (j = 7; j >= 0; j--) { // Do eight times.
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23 mask = -(crc & 1);
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24 crc = (crc >> 1) ^ (0xEDB88320 & mask);
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25 }
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26 i = i + 1;
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27 }
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28 return ~crc;
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29 }
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30
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31 int cfg_load(struct config_t* config) {
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32 char* path = NULL;
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33 char line[MAX_LINE_LENGTH] = {0};
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34 FILE* config_fp;
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35 path = dirtools_concat_paths(getenv("APPDATA"), "Winamp\\Plugins\\wgsdk\\config.txt");
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36 config_fp = fopen(path, "r");
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37 if (config_fp == NULL) {
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38 free(path);
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39 return 1;
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40 }
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41 while (fgets(line, MAX_LINE_LENGTH, config_fp)) {
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42 switch (crc32b((unsigned char*)strtok(line, "="))) {
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43 case 0x2a666380: // display_title
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44 config->display_title = atoi(strtok(NULL, "="));
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45 break;
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46 case 0xbb631f7f: // show_elapsed_time
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47 config->show_elapsed_time = atoi(strtok(NULL, "="));
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48 break;
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49 default:
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50 break;
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51 }
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52 }
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53 free(path);
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54 return 0;
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55 }
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56
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57 int cfg_save(struct config_t config) {
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58 char* path = NULL;
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59 FILE* config_fp;
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60 path = dirtools_concat_paths(getenv("APPDATA"), "Winamp\\Plugins\\wgsdk");
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61 assert(dirtools_create_directory(path));
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62 free(path);
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63 path = dirtools_concat_paths(getenv("APPDATA"), "Winamp\\Plugins\\wgsdk\\config.txt");
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64 config_fp = fopen(path, "w");
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65 if (config_fp == NULL) {
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66 return 1;
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67 }
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68 fprintf(config_fp, "display_title=%d\n", config.display_title);
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69 fprintf(config_fp, "show_elapsed_time=%d\n", config.show_elapsed_time);
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70 fclose(config_fp);
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71 return 0;
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72 }
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