Add C++ standard library headers, update beginner/cppdemo

1 files changed, 59 insertions, 0 deletions

diff --git a/libpsn00b/include/cstdlib b/libpsn00b/include/cstdlib
new file mode 100644
index 0000000..4fa859d
--- /dev/null
+++ b/libpsn00b/include/cstdlib
@@ -0,0 +1,59 @@
+/*
+ * PSn00bSDK standard library
+ * (C) 2019-2023 PSXSDK authors, Lameguy64, spicyjpeg - MPL licensed
+ */
+
+#pragma once
+
+#include <cstddef>
+
+namespace std {
+
+/* Definitions */
+
+static constexpr int RAND_MAX = 0x7fff;
+
+/* Structure definitions */
+
+struct HeapUsage {
+	size_t total;		// Total size of heap + stack
+	size_t heap;		// Amount of memory currently reserved for heap
+	size_t stack;		// Amount of memory currently reserved for stack
+	size_t alloc;		// Amount of memory currently allocated
+	size_t alloc_max;	// Maximum amount of memory ever allocated
+};
+
+/* API */
+
+extern "C" {
+
+extern int			__argc;
+extern const char	**__argv;
+
+void abort(void);
+
+int rand(void);
+void srand(int seed);
+
+int abs(int j);
+long labs(long i);
+
+long strtol(const char *str, char **str_end, int base);
+long long strtoll(const char *str, char **str_end, int base);
+//float strtof(const char *str, char **str_end);
+//double strtod(const char *str, char **str_end);
+//long double strtold(const char *str, char **str_end);
+
+void InitHeap(void *addr, size_t size);
+void *sbrk(ptrdiff_t incr);
+
+void TrackHeapUsage(ptrdiff_t alloc_incr);
+void GetHeapUsage(HeapUsage *usage);
+
+void *malloc(size_t size);
+void *calloc(size_t num, size_t size);
+void *realloc(void *ptr, size_t size);
+void free(void *ptr);
+
+}
+}