dpu.c

@@ -2,59 +2,42 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include <getopt.h>
-
 int main (int argc, char **argv){
 	char name[FILENAME_MAX];
 	FILE *bob,*joe,*moe;
-	int out, thing, factor, arg, modifier;
-	out = 0;
-	factor=0;
-	while((modifier=getopt(argc,argv,"0123456789c"))+1){
-		switch(modifier){
-		case 'c':
-			joe = stdout;
-			out = 1;
-			break;
-		case '0': case '1': case '2': case '3': case '4':
-		case '5': case '6': case '7': case '8': case '9':
-			factor=factor*10+modifier-'0';
-			break;
-		default:
-			fputs("You're going to have to be clearer about what you want.\n",stderr);
+	int thing, factor, arg;
+	if(argc >= 3){
+		char *end_char;
+		factor = strtol(argv[1], &end_char, 0);
+		if(!*(argv[1]) || *end_char)
+		{
+			fputs("I can haz number?\n", stderr);
 			return EXIT_FAILURE;
 		}
+		arg = 2;
+	}else{
+		factor = 9;
+		arg = 1;
 	}
-	if(factor==0){
-		factor=9;
-	}
-	argc-=optind;
-	argv+=optind;
-	arg=0;
-	if(argc<1){
+	if(argc<2){
 		fputs("I pity the fool who don't have an input file!\n",stderr);
 		return EXIT_FAILURE;
 	}
-	if(argc>1){
-		fputs("Be patient, one thing at a time!\n",stderr);
-	}
 	if(strlen(argv[arg]) >= FILENAME_MAX - 4)
 	{
 		fputs("It's a filename, not a novel.\n", stderr);
 		return EXIT_FAILURE;
 	}
 	strlcpy(name,argv[arg],sizeof(name));
-	strlcat(name,".dpu",sizeof(name));
+	strlcat(name,".dpu",sizeof(name));	
 	if((bob = fopen(argv[arg],"r"))==NULL){
 		fputs("NO YOU FOOL, A REAL ONE!\n",stderr);
 		return EXIT_FAILURE;
 	}
-	if(!out){
-		if((joe = fopen(name,"w"))==NULL){
-			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);
-			return EXIT_FAILURE;
-		} 
-	}
+	if((joe = fopen(name,"w"))==NULL){
+		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);
+		return EXIT_FAILURE;
+	} 
 	if((moe = fopen("/dev/urandom","r"))==NULL){
 		fputs("So, you aren't random enough. Annoying.\n",stderr);
 		return EXIT_FAILURE;

undpu.c

@@ -2,39 +2,23 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
-#include <getopt.h>
 
 const char compare_string[] = "DOUBLEPLUS UNZIP, FACTOR=";
 
 int main (int argc, char **argv){
 	FILE *bob, *joe;
-	int modifier, factor, thing, i;
-	int out = 0;
+	int factor, thing, i;
 	char output[FILENAME_MAX];
-	while((modifier=getopt(argc,argv,"c"))+1){
-		switch(modifier){
-		case 'c':
-			joe=stdout;
-			out = 1;
-			break;
-		default:
-			fprintf(stderr,"modifier=%d\n",modifier);
-			fputs("You're going to have to be clearer about what you want.\n",stderr);
-			return EXIT_FAILURE;
-		}
-	}
-	argc-=optind;
-	argv+=optind;
-	if(argc < 1){
+	if(argc < 2){
 		fputs("I pity the fool who don't have an input file!\n",stderr);
 		return EXIT_FAILURE;
 	}
-	if(strlen(argv[0]) <= 4 || strcmp(argv[0] + strlen(argv[0]) - 4, ".dpu"))
+	if(strlen(argv[1]) <= 4 || strcmp(argv[1] + strlen(argv[1]) - 4, ".dpu"))
 	{
 		fputs("Where's the rest of the filename?\n", stderr);
 		return EXIT_FAILURE;
 	}
-	if((bob = fopen(argv[0],"r"))==NULL){
+	if((bob = fopen(argv[1],"r"))==NULL){
 		fputs("That's no input file, THAT'S A SPACE STATION!\n",stderr);
 		return EXIT_FAILURE;
 	}
@@ -57,13 +41,10 @@ int main (int argc, char **argv){
 			return EXIT_FAILURE;
 		}
 	}
-	if(!out){
-		strlcpy(output,argv[0],strlen(argv[0])-3);
-		fprintf(stderr,"%s",output);
-		if((joe = fopen(output,"w"))==NULL){
-			fputs("Ummm, the output file doesn't work.\n",stderr);
-			return EXIT_FAILURE;
-		}
+	strncpy(output,argv[1],strlen(argv[1])-4);
+	if((joe = fopen(output,"w"))==NULL){
+		fputs("Ummm, the output file doesn't work.\n",stderr);
+		return EXIT_FAILURE;
 	}
 	while((thing=fgetc(bob))!=EOF){
 		fputc(thing,joe);