forked from silverwizard/DoublePlusUnzip
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59 lines
1.4 KiB
59 lines
1.4 KiB
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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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,*moe;
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int thing, factor, arg;
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if(argc >= 3){
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char *end_char;
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factor = strtol(argv[1], &end_char, 0);
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if(!*(argv[1]) || *end_char)
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{
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fputs("I can haz number?\n", stderr);
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return EXIT_FAILURE;
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}
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arg = 2;
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}else{
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factor = 9;
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arg = 1;
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}
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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[arg]) >= FILENAME_MAX - 4)
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{
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fputs("It's a filename, not a novel.\n", stderr);
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return EXIT_FAILURE;
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}
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strlcpy(name,argv[arg],sizeof(name));
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strlcat(name,".dpu",sizeof(name));
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if((bob = fopen(argv[arg],"r"))==NULL){
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fputs("NO YOU FOOL, A REAL ONE!\n",stderr);
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return EXIT_FAILURE;
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}
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if((joe = fopen(name,"w"))==NULL){
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fputs("Ummm, you seem to have an unwritable file or directory or something silly called the output file, this is dumb. Please stop.\n",stderr);
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return EXIT_FAILURE;
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}
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if((moe = fopen("/dev/urandom","r"))==NULL){
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fputs("So, you aren't random enough. Annoying.\n",stderr);
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return EXIT_FAILURE;
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}
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fprintf(joe,"DOUBLEPLUS UNZIP, FACTOR=%d;",factor);
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while((thing=fgetc(bob))!=EOF){
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int i;
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if((fputc(thing,joe))==EOF){
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perror("fputc(thing,joe)");
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fputs("problematic\n",stderr);
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return EXIT_FAILURE;
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}
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for(i=0;i<factor;i++){
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thing=fgetc(moe);
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fputc(thing,joe);
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}
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}
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return 0;
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}
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