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-rw-r--r--lib/embed-glsl.cpp.m41
-rw-r--r--lib/strings.hpp14
2 files changed, 15 insertions, 0 deletions
diff --git a/lib/embed-glsl.cpp.m4 b/lib/embed-glsl.cpp.m4
index 9e4c6d4..d820756 100644
--- a/lib/embed-glsl.cpp.m4
+++ b/lib/embed-glsl.cpp.m4
@@ -3,6 +3,7 @@ changecom()dnl
#include "substr(TYPE,1)-NAME.h"
#include <GL/glew.h>
#include "gfx/gl/shader-source.h"
+#include "lib/strings.hpp"
constexpr const GLchar * src { R"GLSL-EMBED(dnl
include(SOURCE))GLSL-EMBED" };
diff --git a/lib/strings.hpp b/lib/strings.hpp
new file mode 100644
index 0000000..ee0db95
--- /dev/null
+++ b/lib/strings.hpp
@@ -0,0 +1,14 @@
+#ifndef STRINGS_HPP
+#define STRINGS_HPP
+
+constexpr auto
+constexpr_strlen(const GLchar * const s)
+{
+ std::size_t ch {};
+ while (s[ch]) {
+ ch++;
+ }
+ return ch;
+}
+
+#endif