(C) day 5 wip

05/day5.c

@@ -1,33 +1,49 @@
 #include <stdio.h>
 #include <stdlib.h>
-
-struct ArrayWithLength {
-    int length;
-    char* content;
-};
+#include <sys/stat.h>
 
 int isSameLetter(char a, char b) {
     char diff = (a > b) ? a - b : b - a;
     return diff == 32;
 }
 
-struct ArrayWithLength processArray(char* input, int length) {
-    char output [length];
+int processArray(char* input, int length) {
     int outputLength = 0;
     for (int i=0; i<length-1; i++) {
         if (isSameLetter(input[i], input[i+1]) == 1) {
+            printf("reacting: %c%c\n", input[i], input[i+1]);
             i++;
         } else {
-            output[outputLength] = input[i];
+            input[outputLength] = input[i];
             outputLength++;
         }
     }
-    struct ArrayWithLength ret;
-    ret.length = outputLength;
-    ret.content = output;
-    return ret;
+    return outputLength + 1;
 }
 
 int main() {
+    struct stat stbuffer;
+    FILE *inputFile = fopen("input", "r");
+    fstat(fileno(inputFile), &stbuffer) != -1;
+    int inSize = stbuffer.st_size;
+    //inSize = 40;
+    char *input = malloc(inSize);
+    fgets(input, inSize, inputFile);
+
+    int lastLength = inSize;
+    
+    printf("%s\n", input);
+    int outLength = inSize;
+    do {
+        lastLength = outLength;
+        outLength = processArray(input, lastLength);
+        printf("%s\n", input);
+        printf("%d\n", outLength);
+    } while (lastLength != outLength);
+
+    printf("%d\n", outLength);
+
+    fclose(inputFile);
+    free(input);
     return 0;
 }