add Chapter01 examples

Chapter01/ring_buffer_compile_time_generic.c

@@ -0,0 +1,53 @@
+#include <stdio.h>
+#include <string.h>
+// Macro to declare ring buffer type and functions for a specific type and size
+#define DECLARE_RING_BUFFER(TYPE, SIZE)                                        \
+  typedef struct {                                                             \
+    TYPE data[SIZE];                                                           \
+    size_t write_idx;                                                          \
+    size_t read_idx;                                                           \
+    size_t count;                                                              \
+  } ring_buffer_##TYPE##_##SIZE;                                               \
+  void ring_buffer_init_##TYPE##_##SIZE(ring_buffer_##TYPE##_##SIZE *rb) {     \
+    rb->write_idx = 0;                                                         \
+    rb->read_idx = 0;                                                          \
+    rb->count = 0;                                                             \
+  }                                                                            \
+  void ring_buffer_push_##TYPE##_##SIZE(ring_buffer_##TYPE##_##SIZE *rb,       \
+                                        TYPE value) {                          \
+    rb->data[rb->write_idx] = value;                                           \
+    rb->write_idx = (rb->write_idx + 1) % SIZE;                                \
+    if (rb->count < SIZE) {                                                    \
+      rb->count++;                                                             \
+    } else {                                                                   \
+      rb->read_idx = (rb->read_idx + 1) % SIZE;                                \
+    }                                                                          \
+  }                                                                            \
+  int ring_buffer_pop_##TYPE##_##SIZE(ring_buffer_##TYPE##_##SIZE *rb,         \
+                                      TYPE *value) {                           \
+    if (rb->count == 0) {                                                      \
+      return 0; /* Buffer is empty */                                          \
+    }                                                                          \
+    *value = rb->data[rb->read_idx];                                           \
+    rb->read_idx = (rb->read_idx + 1) % SIZE;                                  \
+    rb->count--;                                                               \
+    return 1; /* Success */                                                    \
+  }                                                                            \
+
+// Example usage with int type and size 5
+DECLARE_RING_BUFFER(int, 5) // Declare the ring buffer type and functions for ints
+                            //
+int main() {
+  ring_buffer_int_5 rb;
+  ring_buffer_init_int_5(&rb); // Initialize the ring buffer
+  // Push values into the ring buffer
+  for (int i = 0; i < 10; ++i) {
+    ring_buffer_push_int_5(&rb, i);
+  }
+  // Pop values from the ring buffer and print them
+  int value;
+  while (ring_buffer_pop_int_5(&rb, &value)) {
+    printf("%d\n", value);
+  }
+  return 0;
+}