Squashed 'external/toxcore/c-toxcore/' changes from 67badf694..82460b212

82460b212 feat: add ngc events
24b54722a fix: Ensure we have allocators available for the error paths.
48dbcfebc cleanup: Remove redundant `-DSODIUM_EXPORT` from definitions.
0cef46ee9 cleanup: Fix a few more clang-tidy warnings.
0c5b918e9 cleanup: Fix a few more clang-tidy warnings.
4d3c97f49 cleanup: Enforce stricter identifier naming using clang-tidy.
a549807df refactor: Add `mem` module to allow tests to override allocators.
6133fb153 chore: Add devcontainer setup for codespaces.
620e07ecd chore: Set a timeout for tests started using Conan
c0ec33b16 chore: Migrate Windows CI from Appveyor to Azure DevOps
8ed47f3ef fix incorrect documentation
a1e245841 docs: Fix doxygen config and remove some redundant comments.
b0f633185 chore: Fix the Android CI job
7469a529b fix: Add missing `#include <array>`.
2b1a6b0d2 add missing ngc constants getter declarations and definitions
2e02d5637 chore: Add missing module dependencies.
REVERT: 67badf694 feat: add ngc events

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: 82460b2124216af1ac9d63060de310a682a2fd15

testing/fuzzing/fuzz_support.h

@@ -59,6 +59,23 @@ struct Fuzz_Data {
     }                                   \
     DECL = INPUT.consume1()
 
+/** @brief Consumes 1 byte of the fuzzer input or returns a value if no data
+ * available.
+ *
+ * This advances the fuzzer input data by 1 byte and consumes that byte in the
+ * declaration.
+ *
+ * @example
+ * @code
+ * CONSUME1_OR_RETURN_VAL(const uint8_t one_byte, input, nullptr);
+ * @endcode
+ */
+#define CONSUME1_OR_RETURN_VAL(DECL, INPUT, VAL) \
+    if (INPUT.size < 1) {                        \
+        return VAL;                              \
+    }                                            \
+    DECL = INPUT.consume1()
+
 /** @brief Consumes SIZE bytes of the fuzzer input or returns if not enough data available.
  *
  * This advances the fuzzer input data by SIZE byte and consumes those bytes in
@@ -100,11 +117,13 @@ void fuzz_select_target(const uint8_t *data, std::size_t size, Args &&... args)
     return fuzz_select_target(selector, input, std::forward<Args>(args)...);
 }
 
+struct Memory;
 struct Network;
 struct Random;
 
 struct System {
     std::unique_ptr<Tox_System> sys;
+    std::unique_ptr<Memory> mem;
     std::unique_ptr<Network> ns;
     std::unique_ptr<Random> rng;