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76 lines
1.8 KiB
76 lines
1.8 KiB
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <getopt.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 out, thing, factor, arg, modifier;
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out = 0;
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factor=0;
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while((modifier=getopt(argc,argv,"0123456789c"))+1){
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switch(modifier){
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case 'c':
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joe = stdout;
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out = 1;
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break;
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case '0': case '1': case '2': case '3': case '4':
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case '5': case '6': case '7': case '8': case '9':
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factor=factor*10+modifier-'0';
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break;
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default:
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fputs("You're going to have to be clearer about what you want.\n",stderr);
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return EXIT_FAILURE;
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}
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}
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if(factor==0){
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factor=9;
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}
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argc-=optind;
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argv+=optind;
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arg=0;
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if(argc<1){
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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(argc>1){
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fputs("Be patient, one thing at a time!\n",stderr);
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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(!out){
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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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}
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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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