begin refactoring tests to reflect struct-based API and implement hs_pushstring()

1 files changed, 31 insertions, 0 deletions

diff --git a/src/hs_pushstring.c b/src/hs_pushstring.c
new file mode 100644
index 0000000..f7da0d0
--- /dev/null
+++ b/src/hs_pushstring.c
@@ -0,0 +1,31 @@
+#include <stdlib.h>
+
+#include "honeysuckle.h"
+
+void hs_vpushstring(lua_State *L, const char *format_string, va_list args)
+{
+   va_list args_;
+   va_copy(args_, args);
+
+   int string_size = vsnprintf(NULL, 0, format_string, args_);
+   va_end(args_);
+
+   char *string = malloc((string_size+1) * sizeof(char));
+   if (string == NULL) {
+      lua_pushstring(L, "there was an error allocating memory for a string");
+      lua_error(L);
+   }
+
+   vsnprintf(string, string_size+1, format_string, args);
+   lua_pushstring(L, string);
+   free(string);
+}
+
+
+void hs_pushstring(lua_State *L, const char *format_string, ...)
+{
+   va_list args;
+   va_start(args, format_string);
+   hs_vpushstring(L, format_string, args);
+   va_end(args);
+}