C: Add hb_buffer_append_string function to hb_buffer_T

src/include/util/hb_buffer.h

@@ -1,6 +1,7 @@
 #ifndef HERB_BUFFER_H
 #define HERB_BUFFER_H
 
+#include "hb_string.h"
 #include <stdbool.h>
 #include <stdlib.h>
 
@@ -14,6 +15,7 @@ bool hb_buffer_init(hb_buffer_T* buffer, size_t capacity);
 
 void hb_buffer_append(hb_buffer_T* buffer, const char* text);
 void hb_buffer_append_with_length(hb_buffer_T* buffer, const char* text, size_t length);
+void hb_buffer_append_string(hb_buffer_T* buffer, hb_string_T string);
 void hb_buffer_append_char(hb_buffer_T* buffer, char character);
 void hb_buffer_append_whitespace(hb_buffer_T* buffer, size_t length);
 void hb_buffer_prepend(hb_buffer_T* buffer, const char* text);

src/util/hb_buffer.c

@@ -137,6 +137,10 @@ void hb_buffer_append_with_length(hb_buffer_T* buffer, const char* text, const s
   buffer->value[buffer->length] = '\0';
 }
 
+void hb_buffer_append_string(hb_buffer_T* buffer, hb_string_T string) {
+  if (!hb_string_is_empty(string)) { hb_buffer_append_with_length(buffer, string.data, string.length); }
+}
+
 void hb_buffer_append_char(hb_buffer_T* buffer, const char character) {
   static char string[2];
 

test/c/test_hb_buffer.c

@@ -63,6 +63,19 @@ TEST(test_hb_buffer_concat)
   free(buffer2.value);
 END
 
+// Test concatenating two buffers
+TEST(test_hb_buffer_append_string)
+  hb_buffer_T buffer;
+  hb_buffer_init(&buffer, 1);
+
+  hb_buffer_append_string(&buffer, hb_string_from_c_string("Hello, world"));
+
+  ck_assert_str_eq(buffer.value, "Hello, world");
+  ck_assert_int_eq(buffer.length, 12);
+
+  free(buffer.value);
+END
+
 TEST(test_hb_buffer_resizing_behavior)
   hb_buffer_T buffer;
   hb_buffer_init(&buffer, 1024);
@@ -185,6 +198,7 @@ TCase *hb_buffer_tests(void) {
   tcase_add_test(buffer, test_hb_buffer_append);
   tcase_add_test(buffer, test_hb_buffer_prepend);
   tcase_add_test(buffer, test_hb_buffer_concat);
+  tcase_add_test(buffer, test_hb_buffer_append_string);
   tcase_add_test(buffer, test_hb_buffer_resizing_behavior);
   tcase_add_test(buffer, test_hb_buffer_clear);
   tcase_add_test(buffer, test_hb_buffer_free);