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@ -3,19 +3,29 @@ |
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#include <stdio.h> |
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#include <string.h> |
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const char compare_string[] = "DOUBLEPLUS UNZIP, FACTOR="; |
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int main (int argc, char **argv){ |
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char name[FILENAME_MAX]; |
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FILE *bob, *joe; |
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int factor, thing; |
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int factor, thing, i; |
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char output[FILENAME_MAX]; |
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if(argc < 2){ |
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fputs("I pity the fool who don't have an input file!\n",stderr); |
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return EXIT_FAILURE; |
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} |
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if(strlen(argv[1]) <= 4 || strcmp(argv[1] + strlen(argv[1]) - 4, ".dpu")) |
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{ |
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fputs("Where's the rest of the filename?\n", stderr); |
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return EXIT_FAILURE; |
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} |
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if((bob = fopen(argv[1],"r"))==NULL){ |
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fputs("That's no input file, THAT'S A SPACE STATION!\n",stderr); |
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return EXIT_FAILURE; |
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} |
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while(thing != '='){ |
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thing=fgetc(bob); |
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if(thing==EOF){ |
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fputs("You suck! That's not a DPU file!\n",stderr); |
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for(i = 0; compare_string[i]; i++) { |
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thing = fgetc(bob); |
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if(thing != compare_string[i]) { |
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fputs("You suck! That's not a DPU file!\n", stderr); |
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return EXIT_FAILURE; |
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} |
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} |
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@ -43,4 +53,5 @@ int main (int argc, char **argv){ |
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thing = fgetc(bob); |
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} |
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} |
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return 0; |
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} |
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