nostrdb: move everything to src

Signed-off-by: William Casarin <jb55@jb55.com>
2025-08-11 16:39:43 -07:00
parent 1fb88a912a
commit 1ffbd80c67
82 changed files with 34 additions and 82 deletions
@@ -0,0 +1,43 @@
+#ifndef LIGHTNING_COMMON_OVERFLOWS_H
+#define LIGHTNING_COMMON_OVERFLOWS_H
+#include "../config.h"
+#include "short_types.h"
+
+static inline bool add_overflows_size_t(uint64_t a, uint64_t b)
+{
+    return (size_t)a != a || (size_t)b != b || (a + b) < (size_t)a;
+}
+
+static inline bool add_overflows_u64(uint64_t a, uint64_t b)
+{
+    return (a + b) < a;
+}
+
+static inline bool mul_overflows_u64(uint64_t a, uint64_t b)
+{
+    uint64_t ret;
+
+    if (a == 0)
+        return false;
+    ret = a * b;
+    return (ret / a != b);
+}
+
+static inline bool assign_overflow_u8(u8 *dst, uint64_t v)
+{
+    *dst = v;
+    return *dst == v;
+}
+
+static inline bool assign_overflow_u16(u16 *dst, uint64_t v)
+{
+    *dst = v;
+    return *dst == v;
+}
+
+static inline bool assign_overflow_u32(u32 *dst, uint64_t v)
+{
+    *dst = (u32)v;
+    return *dst == v;
+}
+#endif /* LIGHTNING_COMMON_OVERFLOWS_H */