1 files changed, 9 insertions, 8 deletions

diff --git a/modules/mono/utils/string_utils.cpp b/modules/mono/utils/string_utils.cpp
index 2b014c2a45..e9efc7626d 100644
--- a/modules/mono/utils/string_utils.cpp
+++ b/modules/mono/utils/string_utils.cpp
@@ -55,10 +55,7 @@ int sfind(const String &p_text, int p_from) {
 		for (int j = 0; j < src_len; j++) {
 			int read_pos = i + j;
 
-			if (read_pos >= len) {
-				ERR_PRINT("read_pos >= len");
-				return -1;
-			};
+			ERR_FAIL_COND_V(read_pos >= len, -1);
 
 			switch (j) {
 				case 0:
@@ -168,7 +165,7 @@ Error read_all_file_utf8(const String &p_path, String &r_content) {
 	PoolVector<uint8_t> sourcef;
 	Error err;
 	FileAccess *f = FileAccess::open(p_path, FileAccess::READ, &err);
-	ERR_FAIL_COND_V(err != OK, err);
+	ERR_FAIL_COND_V_MSG(err != OK, err, "Cannot open file '" + p_path + "'.");
 
 	int len = f->get_len();
 	sourcef.resize(len + 1);
@@ -211,14 +208,18 @@ String str_format(const char *p_format, ...) {
 #endif
 
 #if defined(MINGW_ENABLED) || defined(_MSC_VER) && _MSC_VER < 1900
-#define vsnprintf(m_buffer, m_count, m_format, m_argptr) vsnprintf_s(m_buffer, m_count, _TRUNCATE, m_format, m_argptr)
+#define gd_vsnprintf(m_buffer, m_count, m_format, m_args_copy) vsnprintf_s(m_buffer, m_count, _TRUNCATE, m_format, m_args_copy)
+#define gd_vscprintf(m_format, m_args_copy) _vscprintf(m_format, m_args_copy)
+#else
+#define gd_vsnprintf(m_buffer, m_count, m_format, m_args_copy) vsnprintf(m_buffer, m_count, m_format, m_args_copy)
+#define gd_vscprintf(m_format, m_args_copy) vsnprintf(NULL, 0, p_format, m_args_copy)
 #endif
 
 String str_format(const char *p_format, va_list p_list) {
 	va_list list;
 
 	va_copy(list, p_list);
-	int len = vsnprintf(NULL, 0, p_format, list);
+	int len = gd_vscprintf(p_format, list);
 	va_end(list);
 
 	len += 1; // for the trailing '/0'
@@ -226,7 +227,7 @@ String str_format(const char *p_format, va_list p_list) {
 	char *buffer(memnew_arr(char, len));
 
 	va_copy(list, p_list);
-	vsnprintf(buffer, len, p_format, list);
+	gd_vsnprintf(buffer, len, p_format, list);
 	va_end(list);
 
 	String res(buffer);