feat: add connecting to wifi

1 files changed, 35 insertions, 0 deletions

diff --git a/src/util.cpp b/src/util.cpp
new file mode 100644
index 0000000..f587781
--- /dev/null
+++ b/src/util.cpp
@@ -0,0 +1,35 @@
+#include "util.hpp"
+
+namespace util
+{
+
+bool str_ends_with(const char *str, const char *other_str) noexcept
+{
+	if (str == nullptr || other_str == nullptr)
+	{
+		return false;
+	}
+
+	auto str_length = strlen(str);
+	auto other_str_length = strlen(other_str);
+
+	if (other_str_length > str_length)
+	{
+		return false;
+	}
+
+	return strncmp(str + str_length - other_str_length, other_str, other_str_length) == 0;
+}
+
+void substr(const char *str, const char *end, char *dest) noexcept
+{
+	auto *dest_head = dest;
+
+	for (const char *char_ptr = str; char_ptr + 1 != end; ++char_ptr)
+	{
+		*dest_head = *char_ptr;
+		dest_head++;
+	}
+}
+
+} // namespace util