Add ctb_clear_context

Author: alvinng4

examples/example.c

@@ -10,6 +10,9 @@ static void division_vec(double *vec, double denominator);
 
 int main(void)
 {
+    ctb_clear_context();
+    ctb_install_signal_handler();
+
     double *vec = malloc(N * sizeof(double));
     if (!vec)
     {

examples/example_logging.c

@@ -20,6 +20,9 @@ void log_message_level2(int i);
 
 int main(void)
 {
+    ctb_clear_context();
+    ctb_install_signal_handler();
+
     log_error(1);
     log_warning(3);
     log_message(5);

examples/example_multi_error.c

@@ -30,6 +30,9 @@ void do_something_risky()
 
 int main(void)
 {
+    ctb_clear_context();
+    ctb_install_signal_handler();
+
     TRACE(open_file(FILE_PATH1));
     TRACE(open_file(FILE_PATH2));
 

examples/example_open_file.c

@@ -18,6 +18,9 @@ void open_file(const char *file_name)
 
 int main(void)
 {
+    ctb_clear_context();
+    ctb_install_signal_handler();
+
     TRY_GOTO(open_file(FILE_PATH), error);
     /* Do something */
 

examples/example_print_compilation_info.c

@@ -4,6 +4,9 @@
 
 int main(void)
 {
+    ctb_clear_context();
+    ctb_install_signal_handler();
+
     ctb_print_compilation_info();
 
     return 0;

examples/example_recursion.c

@@ -17,6 +17,9 @@ void recursion(int count)
 
 int main(void)
 {
+    ctb_clear_context();
+    ctb_install_signal_handler();
+
     TRY_GOTO(recursion(0), error);
     printf("This shouldn't be printed if there is error");
 

examples/example_seg_fault.c

@@ -11,6 +11,7 @@ void some_function(void)
 
 int main(void)
 {
+    ctb_clear_context();
     ctb_install_signal_handler();
     THROW(CTB_BUFFER_ERROR, "Hello! This is a test error before segfault.");
 

examples/example_tut04.c

@@ -13,6 +13,7 @@ void divide_vec(double *arr, const size_t n, const double denominator);
 
 int main(void)
 {
+    ctb_clear_context();
     ctb_install_signal_handler();
 
     const size_t n = 1000;     // Vector size

include/c_traceback/error.h

@@ -89,4 +89,9 @@ bool ctb_check_error(void);
  */
 void ctb_clear_error(void);
 
+/**
+ * \brief Clear the C Traceback context (including errors and call stack).
+ */
+void ctb_clear_context(void);
+
 #endif // C_TRACEBACK_ERROR_H

src/error.c

@@ -116,3 +116,10 @@ void ctb_clear_error(void)
 {
     get_context()->num_errors = 0;
 }
+
+void ctb_clear_context(void)
+{
+    CTB_Context *context = get_context();
+    context->num_errors = 0;
+    context->call_depth = 0;
+}