change identation, maybe will change back, add own gl functions loading, and glx example

1 files changed, 44 insertions, 0 deletions

diff --git a/examples/macros.c b/examples/macros.c
new file mode 100644
index 0000000..0e836b0
--- /dev/null
+++ b/examples/macros.c
@@ -0,0 +1,44 @@
+#include "prb.h"
+#include <stdio.h>
+
+struct type {
+	i32 i32_element;
+	i16 i16_element;
+	u8 u8_element;
+};
+
+#define nodes_count 10
+
+struct stack_node {
+	i32 value;
+	struct stack_node *next;
+};
+
+struct stack {
+	struct stack_node *first;
+	struct stack_node *last;
+};
+
+static void print_stack(struct stack s)
+{
+	for (struct stack_node *node = s.first; node; node = node->next)
+		printf("%d%s", node->value, ((node->next) ? " -> " : "\n"));
+}
+
+i32 main(void)
+{
+	u64 offset = offsetof(struct type, u8_element);
+	assert(offset == 6);
+	info("offsetof(type_t, u8_element) = %lu", offset);
+	info("stack:");
+	struct stack_node nodes[nodes_count];
+	struct stack stack = {0};
+	for (i32 i = 0; i < array_count(nodes); ++i) {
+		struct stack_node *node = nodes + i;
+		node->value = i;
+		sllpush(stack.first, stack.last, node);
+	}
+	print_stack(stack);
+	sllpop(stack.first, stack.last);
+	print_stack(stack);
+}