Squashed 'external/toxcore/c-toxcore/' content from commit 67badf69

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: 67badf69416a74e74f6d7eb51dd96f37282b8455

other/analysis/run-cppcheck

@@ -0,0 +1,46 @@
+#!/bin/bash
+
+SKIP_GTEST=1
+
+. other/analysis/gen-file.sh
+
+set -e
+
+CPPCHECK=("--enable=all")
+CPPCHECK+=("--inconclusive")
+CPPCHECK+=("--error-exitcode=1")
+# Used for VLA.
+CPPCHECK+=("--suppress=allocaCalled")
+# False positives in switch statements.
+CPPCHECK+=("--suppress=knownConditionTrueFalse")
+# Cppcheck does not need standard library headers to get proper results.
+CPPCHECK+=("--suppress=missingIncludeSystem")
+# TODO(iphydf): Maybe fix?
+CPPCHECK+=("--suppress=signConversion")
+# TODO(iphydf): Fixed in the toxav refactor PR.
+CPPCHECK+=("--suppress=redundantAssignment")
+# We have some redundant nullptr checks in assertions
+CPPCHECK+=("--suppress=nullPointerRedundantCheck")
+# Triggers a false warning in group.c
+CPPCHECK+=("--suppress=AssignmentAddressToInteger")
+# TODO(sudden6): This triggers a false positive, check again later to enable it
+CPPCHECK+=("--suppress=arrayIndexOutOfBoundsCond")
+
+# We're a library. This only works on whole programs.
+CPPCHECK_C=("--suppress=unusedFunction")
+
+# False positive in auto_tests.
+CPPCHECK_CXX+=("--suppress=shadowArgument")
+CPPCHECK_CXX+=("--suppress=shadowFunction")
+# False positive for callback functions
+CPPCHECK_CXX+=("--suppress=constParameter")
+# Used in Messenger.c for a static_assert(...)
+CPPCHECK_CXX+=("--suppress=sizeofFunctionCall")
+
+run() {
+  echo "Running cppcheck in variant '$*'"
+  cppcheck "${CPPCHECK[@]}" "${CPPCHECK_C[@]}" tox*/*.[ch] tox*/*/*.[ch] "${CPPFLAGS[@]}" "$@"
+  cppcheck "${CPPCHECK[@]}" "${CPPCHECK_CXX[@]}" amalgamation.cc "${CPPFLAGS[@]}" "$@"
+}
+
+. other/analysis/variants.sh