😄

A2/histogram.h

@@ -1,5 +1,5 @@
 // This header file contains not just function prototypes, but also
-// the definitions.  This means it does not need to be compiled
+// the definitions.    This means it does not need to be compiled
 // separately.
 //
 // You should not need to modify this file.
@@ -7,65 +7,65 @@
 #ifndef HISTOGRAM_H
 #define HISTOGRAM_H
 
-// Move the cursor down 'n' lines.  Negative 'n' supported.
+// Move the cursor down 'n' lines.    Negative 'n' supported.
 static void move_lines(int n) {
-  if (n < 0) {
-    printf("\033[%dA", -n);
-  } else {
-    printf("\033[%dB", n);
-  }
+    if (n < 0) {
+        printf("\033[%dA", -n);
+    } else {
+        printf("\033[%dB", n);
+    }
 }
 
 // Clear from cursor to end of line.
 static void clear_line() {
-  printf("\033[K");
+    printf("\033[K");
 }
 
-// Print a visual representation of a histogram to the screen.  After
+// Print a visual representation of a histogram to the screen.    After
 // printing, the cursor is moved back to the beginning of the output.
 // This means that next time print_histogram() is called, the previous
 // output will be overwritten.
 static void print_histogram(int histogram[8]) {
-  int64_t bits_seen = 0;
+    int64_t bits_seen = 0;
 
-  for (int i = 0; i < 8; i++) {
-    bits_seen += histogram[i];
-  }
-
-  for (int i = 0; i < 8; i++) {
-    clear_line();
-    printf("Bit %d: ", i);
-
-    double proportion = histogram[i] / ((double)bits_seen);
-    for (int i = 0; i < 60*proportion; i++) {
-      printf("*");
+    for (int i = 0; i < 8; i++) {
+        bits_seen += histogram[i];
     }
-    printf("\n");
-  }
 
-  clear_line();
-  printf("%ld bits processed.\n", (long)bits_seen);
-  move_lines(-9);
+    for (int i = 0; i < 8; i++) {
+        clear_line();
+        printf("Bit %d: ", i);
+
+        double proportion = histogram[i] / ((double)bits_seen);
+        for (int i = 0; i < 60*proportion; i++) {
+            printf("*");
+        }
+        printf("\n");
+    }
+
+    clear_line();
+    printf("%ld bits processed.\n", (long)bits_seen);
+    move_lines(-9);
 }
 
 // Merge the former histogram into the latter, setting the former to
 // zero in the process.
 static void merge_histogram(int from[8], int to[8]) {
-  for (int i = 0; i < 8; i++) {
-    to[i] += from[i];
-    from[i] = 0;
-  }
+    for (int i = 0; i < 8; i++) {
+        to[i] += from[i];
+        from[i] = 0;
+    }
 }
 
 // Update the histogram with the bits of a byte.
 static void update_histogram(int histogram[8], unsigned char byte) {
-  // For all bits in a byte...
-  for (int i = 0; i < 8; i++) {
-    // count if bit 'i' is set.
-    if (byte & (1<<i)) {
-      histogram[i]++;
+    // For all bits in a byte...
+    for (int i = 0; i < 8; i++) {
+        // count if bit 'i' is set.
+        if (byte & (1<<i)) {
+            histogram[i]++;
+        }
     }
-  }
 }
 
 #endif