Added problem 2 solution

robrighter · May 4, 2012 · 15e14cc · 15e14cc
1 parent cd4fc4c
commit 15e14cc
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diff --git a/01-recurse_expand_and_print_file/a.out → 02-compare-strings-ignoring-noise-char/a.out b/01-recurse_expand_and_print_file/a.out → 02-compare-strings-ignoring-noise-char/a.out
diff --git a/02-compare-strings-ignoring-noise-char/main.c b/02-compare-strings-ignoring-noise-char/main.c
@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include <string.h>
+
+#define	FALSE 0
+
+int compareStrings(const char *str1, const char *str2, char noise){
+	while(str1[0] == noise) str1++;
+	while(str2[0] == noise) str2++;
+
+	if(str1[0] == '\0'){
+		return (str2[0] == '\0');
+	}
+	else if(str2[0] == '\0'){
+		return FALSE; 
+	}
+	else if(str1[0] == str2[0]){
+		return compareStrings(++str1, ++str2, noise);
+	}
+	return FALSE;
+}
+
+int main(int argc, char *argv[]){
+	if(argc < 4){
+		fprintf(stdout,"Usage: compare-strings [string 1] [string 2] [noise character]\n");
+		return 1;
+	}
+
+	fprintf(stdout, compareStrings(argv[1],argv[2],argv[3][0]) ? "The strings are equal.\n":"The strings are NOT equal.\n");
+	return 0;
+}