Filza 27.2 worse_query: public and developer builds

utils/hexdump.c

@@ -0,0 +1,60 @@
+//
+//  hexdump.c
+//  darksword-kexploit-fun
+//
+//  Created by seo on 3/26/26.
+//
+
+#include <stdio.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+#include "hexdump.h"
+
+
+void hexdump(const void* data, size_t size) {
+    char ascii[17];
+    size_t i, j;
+    ascii[16] = '\0';
+    for (i = 0; i < size; ++i) {
+        if ((i % 16) == 0)
+        {
+            printf("[0x%016llx+0x%03zx] ", &data, 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);
+            }
+        }
+    }
+}
+
+void hexdump_file(const char *path, size_t size)
+{
+    int fd = open(path, O_RDONLY);
+    void *buf = malloc(size);
+    ssize_t n = read(fd, buf, size);
+    close(fd);
+    if (n > 0)
+        hexdump(buf, n);
+    free(buf);
+}