1 files changed, 31 insertions, 0 deletions

@@ -0,0 +1,31 @@
+#include "helpers.h"
+#include <stdio.h>
+
+void hexdump(void *data, size_t size) {
+    char ascii[17];
+    size_t i, j;
+    ascii[16] = '\0';
+    for (i = 0; i < size; ++i) {
+        printf("%02X ", ((unsigned char *) data)[i]);
+        if (((unsigned char *) data)[i] >= ' ' && ((unsigned char *) data)[i] <= '~') {
+            ascii[i % 16] = ((unsigned char *) data)[i];
+        } else {
+            ascii[i % 16] = '.';
+        }
+        if ((i + 1) % 8 == 0 || i + 1 == size) {
+            printf(" ");
+            if ((i + 1) % 16 == 0) {
+                printf("|  %s \n", ascii);
+            } else if (i + 1 == size) {
+                ascii[(i + 1) % 16] = '\0';
+                if ((i + 1) % 16 <= 8) {
+                    printf(" ");
+                }
+                for (j = (i + 1) % 16; j < 16; ++j) {
+                    printf("   ");
+                }
+                printf("|  %s \n", ascii);
+            }
+        }
+    }
+}