Mercurial > msvpvf

annotate src/main.c @ 44:4f005d28d912

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author Paper <37962225+mrpapersonic@users.noreply.github.com>
date Fri, 20 May 2022 06:33:29 -0400
parents 9b309701420e
children d8ac17c6d6f2
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1 #include <inttypes.h>
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2 #include <stdbool.h>
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3 #include <stdio.h>
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4 #include <stdlib.h>
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5 #include <string.h>
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6 #include <unistd.h>
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7 #include <getopt.h>
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8 #include <libgen.h>
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9 #ifdef _MSC_VER
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10 #define strdup(p) _strdup(p)
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11 #endif
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12
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13 static struct option options_long[] = {
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14 {"input", required_argument, NULL, 'i'},
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15 {"output", required_argument, NULL, 'o'},
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16 {"version", required_argument, NULL, 'v'},
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17 {"type", required_argument, NULL, 't'},
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18 {"help", 0, NULL, 'h'}
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19 };
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20
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21 char* strremove(char* str, const char* sub) {
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22 size_t len = strlen(sub);
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23 if (len > 0) {
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24 char* p = str;
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25 while ((p = strstr(p, sub)) != NULL) {
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26 memmove(p, p + len, strlen(p + len) + 1);
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27 }
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28 }
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29 return str;
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30 }
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31
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32 void set_data(unsigned char magic[], uint16_t version, FILE* target) {
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33 int i;
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34 fseek(target, 0x46, SEEK_SET);
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35 fputc(version, target);
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36 for (i=0; i<=sizeof(*magic); ++i) {
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37 fseek(target, 0x18+i, SEEK_SET);
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38 fputc(magic[i], target);
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39 }
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40 }
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41
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42 int copy_file(char* source_file, char* target_file) {
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43 FILE *source, *target;
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44
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45 source = fopen(source_file, "rb");
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46
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47 if (source == NULL) return 1;
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48
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49 target = fopen(target_file, "wb");
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50
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51 if (target == NULL) {
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52 fclose(source);
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53 return 1;
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54 }
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55
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56 size_t n, m;
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57 unsigned char buff[8192];
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58 do {
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59 n = fread(buff, 1, sizeof(buff), source);
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60 if (n) m = fwrite(buff, 1, n, target);
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61 else m = 0;
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62 } while ((n > 0) && (n == m));
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63
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64 fclose(target);
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65 fclose(source);
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66 return 0;
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67 }
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68
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69 int main(int argc, char *argv[]) {
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70 int c, option_index = 0;
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71 unsigned char magic[16];
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72 FILE* outfile;
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73 struct arguments {
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74 char input[256];
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75 char output[256];
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76 int version;
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77 char type[256];
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78 } args;
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79 strcpy(args.input, " ");
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80 strcpy(args.output, " ");
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81 args.version = -1;
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82 strcpy(args.type, " ");
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83
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84 while ((c = getopt_long(argc, argv, "i:o:v:t:h", options_long, &option_index)) != -1)
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85 switch(c) {
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86 case 'i':
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87 strncpy(args.input, optarg, sizeof(args.input)-1); /* subtract 1 to make sure it's "null-safe" */
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88 break;
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89 case 'o':
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90 strncpy(args.output, optarg, sizeof(args.input)-1);
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91 break;
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92 case 'v':
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93 args.version = abs(atoi(strdup(optarg))); /* abs() for possible negative inputs */
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94 break;
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95 case 't':
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96 strncpy(args.type, optarg, sizeof(args.input)-1);
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97 break;
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98 case 'h':
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99 default:
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100 printf("msvpvf by Paper\nusage: %s (-i/--input) infile [(-o/--output) outfile] (-v/--version) version (-t/--type) [vf, veg]\n", argv[0]);
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101 return 0;
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102 }
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103 if (argc == 1) {
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104 printf("msvpvf by Paper\nusage: %s (-i/--input) infile [(-o/--output) outfile] (-v/--version) version (-t/--type) [vf, veg]\n", argv[0]);
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105 return 0;
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106 }
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107 if (strcmp(args.input, " ") == 0) {
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108 printf("Input file name?\n");
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109 fflush(stdout);
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110 fgets(args.input, sizeof(args.input)-1, stdin);
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111 args.input[strcspn(args.input, "\r\n")] = 0;
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112 }
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113 if (access(args.input, F_OK) != 0) {
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114 fprintf(stderr, "Input file \"%s\" doesn't exist! Exiting.", args.input);
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115 return 1;
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116 }
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117 FILE* input_file = fopen(args.input, "r");
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118 if (fgetc(input_file) == EOF) {
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119 fprintf(stderr, "Input file \"%s\" is empty.", args.input);
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120 fclose(input_file);
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121 return 1;
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122 }
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123 fseek(input_file, 0x46, SEEK_SET);
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124 printf("Input file version: %d\n", fgetc(input_file));
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125 fseek(input_file, 0x18, SEEK_SET);
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126 int file_version = fgetc(input_file);
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127 printf("Input file type: ");
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128 switch (file_version) {
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129 case 0xEF:
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130 printf("VEGAS Pro\n\n");
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131 break;
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132 case 0xF6:
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133 printf("Movie Studio\n\n");
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134 break;
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135 default:
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136 printf("Unknown\n\n");
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137 break;
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138 }
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139 int* ptr = &args.version;
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140 if (args.version == -1) {
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141 printf("What version of VEGAS would you like to spoof to?: ");
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142 fflush(stdout);
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143 scanf("%d", ptr);
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144 }
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145 if (strcmp(args.type, " ") == 0) {
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146 printf("Would you like it to be VEGAS Pro or Movie Studio? [veg/vf]: ");
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147 fflush(stdout);
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148 scanf("%3s", args.type);
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149 }
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150 fflush(stdout);
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151 if (strcmp(args.output, " ") == 0) { /* string manipulation hell */
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152 char temp* = (char*)calloc(256, sizeof(char));
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153 temp[0] = '\0';
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154 char str_version[16];
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155 sprintf(str_version, "V%d", args.version);
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156 strncat(temp, str_version, 2);
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157 strncat(temp, "_", 1);
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158 strncat(temp, basename(args.input), 248);
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159 strcpy(temp, strremove(temp, strrchr(basename(args.input), ('.')))); /* remove file extension */
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160 strncat(temp, ".", 1);
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161 strncat(temp, args.type, 3);
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162 strncpy(args.output, temp, 255);
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163 free(temp);
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164 }
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165 if (strcmp(args.type, "veg") == 0) {
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166 const unsigned char T[] = {0xEF, 0x29, 0xC4, 0x46, 0x4A, 0x90, 0xD2, 0x11, 0x87, 0x22, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A};
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167 for (option_index = 0; option_index <= 15; option_index++) { /* this line is repeated, but it's probably best to just leave it be. */
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168 magic[option_index] = T[option_index];
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169 }
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170 } else if (strcmp(args.type, "vf") == 0) {
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171 const unsigned char T[] = {0xF6, 0x1B, 0x3C, 0x53, 0x35, 0xD6, 0xF3, 0x43, 0x8A, 0x90, 0x64, 0xB8, 0x87, 0x23, 0x1F, 0x7F};
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172 for (option_index = 0; option_index <= 15; option_index++) {
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173 magic[option_index] = T[option_index];
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174 }
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175 } else {
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176 fprintf(stderr, "Type %s is invalid!", args.type);
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177 return 1;
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178 }
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179 copy_file(args.input, args.output);
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180 #ifdef _WIN32 /* disallowed characters in filenames */
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181 if (strcspn(args.input, "<>:\"/\\|?*") == strlen(args.input)+1) {
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182 #elif defined(__unix__)
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183 if (strcspn(args.input, "/") == strlen(args.input)+1) {
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184 #else
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185 if (NULL) {
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186 #endif
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187 fprintf(stderr, "Invalid output filename detected! Exiting...");
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188 return 1;
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189 }
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190 outfile = fopen(args.output, "r+b");
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191 if (outfile == NULL) {
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192 fprintf(stderr, "Failed to open file %s! Do you have write permissions?", args.output);
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193 return 1;
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194 }
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195 set_data(magic, args.version, outfile);
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196 fclose(outfile);
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197 return 0;
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198 }