Working version.

utils.h

@@ -20,38 +20,77 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+
+
+#ifdef _WIN32
+#include <windows.h>
+#else
 #include <unistd.h>
-
-char *expand_home_directory(const char *path) {
-  if (path == NULL)
-    return NULL;
-
-  if (path[0] == '~' && path[1] == '/') {
-    const char *home_dir = getenv("HOME");
-    if (home_dir == NULL) {
+#include <limits.h>
 #include <pwd.h>
-#include <unistd.h>
-      struct passwd *pw = getpwuid(getuid());
-      if (pw == NULL)
-        return NULL;
-      home_dir = pw->pw_dir;
+#endif
+
+void get_current_directory() {
+    char buffer[PATH_MAX];
+
+#ifdef _WIN32
+    DWORD length = GetCurrentDirectory(PATH_MAX, buffer);
+    if (length > 0 && length < PATH_MAX) {
+        printf("Current Directory: %s\n", buffer);
+    } else {
+        printf("Error getting current directory.\n");
+    }
+#else
+    if (getcwd(buffer, sizeof(buffer)) != NULL) {
+        printf("Current Directory: %s\n", buffer);
+    } else {
+        perror("Error getting current directory");
+    }
+#endif
+}
+
+char* expand_home_directory(const char* path) {
+    if (path[0] != '~') {
+        return strdup(path); // Return the original path if it doesn't start with ~
     }
 
-    size_t home_len = strlen(home_dir);
-    size_t path_len = strlen(path) - 1;
-    char *expanded_path = malloc(home_len + path_len + 1);
+    char* home_dir;
 
-    if (expanded_path == NULL)
-      return NULL;
+#ifdef _WIN32
+    home_dir = getenv("USERPROFILE"); // Get home directory on Windows
+#else
+    struct passwd* pw = getpwuid(getuid());
+    home_dir = pw->pw_dir; // Get home directory on Linux
+#endif
 
-    strcpy(expanded_path, home_dir);
-    strcat(expanded_path, path + 1);
+    if (home_dir == NULL) {
+        return NULL; // Error getting home directory
+    }
 
+    // Allocate memory for the expanded path
+    size_t expanded_size = strlen(home_dir) + strlen(path);
+    char* expanded_path = (char *)malloc(expanded_size);
+    if (expanded_path == NULL) {
+        return NULL; // Memory allocation error
+    }
+
+    // Construct the expanded path
+    snprintf(expanded_path, expanded_size, "%s%s", home_dir, path + 1);
     return expanded_path;
-  } else {
-    return strdup(path);
-  }
 }
+
+unsigned long hash(const char *str) {
+    unsigned long hash = 5381; // Starting value
+    int c;
+
+    while ((c = *str++)) {
+        hash = ((hash << 5) + hash) + c; // hash * 33 + c
+    }
+
+    return hash;
+}
+
+
 char *read_file(const char *path) {
   char *expanded_path = expand_home_directory(path);
   FILE *file = fopen(expanded_path, "r");