Espresso 0.0.1a

lib/stdio.c

@@ -0,0 +1,62 @@
+#include <drivers/ps2_keyboard.h>
+#include <fs/vfs.h>
+
+#include <stdio.h>
+
+extern bool ps2keyboard_initialized;
+
+char getchar(void)
+{
+  if (ps2keyboard_initialized)
+  {
+    return get_char();
+  }
+  
+  return '\0';
+}
+
+char* getstring(void)
+{
+  if (ps2keyboard_initialized)
+  {
+    return get_string();
+  }
+  
+  return "HELLO\0";
+}
+
+char* fgets(char* buf, int n, FILE file)
+{
+  if (!buf || n <= 1 || file < 1)
+  {
+    return NULL;
+  }
+
+  int total_read = 0;
+  char c;
+
+  while (total_read < n - 1)
+  {
+    int bytes = read_file(file, &c, 1);
+
+    if (bytes <= 0)
+    {
+      break; /* EOF or error */
+    }
+
+    buf[total_read++] = c;
+
+    if (c == '\n')
+    {
+      break; /* Stop at newline */
+    }
+  }
+
+  if (total_read == 0)
+  {
+    return NULL; /* Nothing read (e.g. EOF) */
+  }
+
+  buf[total_read] = '\0';
+  return buf;
+}