From f3529a2600141dc7f84c734ea3bf5db8f7090e56 Mon Sep 17 00:00:00 2001
From: Tyge Løvset <tylo@norceresearch.no>
Date: Sun, 11 Jun 2023 07:36:31 +0200
Subject: More internal structuring

---
 include/stc/cstr.h   |  3 +++
 include/stc/csview.h | 39 +++++++++++++++++++++------------------
 include/stc/utf8.h   |  3 ++-
 src/libstc.c         | 16 ++++------------
 4 files changed, 30 insertions(+), 31 deletions(-)

diff --git a/include/stc/cstr.h b/include/stc/cstr.h
index f47889b4..0c5b67d8 100644
--- a/include/stc/cstr.h
+++ b/include/stc/cstr.h
@@ -655,8 +655,11 @@ intptr_t cstr_printf(cstr* self, const char* fmt, ...) {
 #if defined __GNUC__ && !defined __clang__
 #  pragma GCC diagnostic pop
 #endif
+#ifndef _i_no_undef
 #undef i_opt
 #undef i_header
 #undef i_static
 #undef i_implement
 #undef i_import
+#endif
+#undef _i_no_undef
diff --git a/include/stc/csview.h b/include/stc/csview.h
index ee217e98..a1893063 100644
--- a/include/stc/csview.h
+++ b/include/stc/csview.h
@@ -114,6 +114,22 @@ STC_INLINE bool csview_valid_utf8(csview sv) // depends on src/utf8code.c
 #define c_fortoken(it, input, sep) \
     c_fortoken_sv(it, csview_from(input), sep)
 
+/* ---- Container helper functions ---- */
+
+STC_INLINE int csview_cmp(const csview* x, const csview* y) {
+    intptr_t n = x->size < y->size ? x->size : y->size;
+    int c = c_memcmp(x->str, y->str, n);
+    return c ? c : (int)(x->size - y->size);
+}
+
+STC_INLINE int csview_icmp(const csview* x, const csview* y)
+    { return utf8_icmp_sv(*x, *y); }
+
+STC_INLINE bool csview_eq(const csview* x, const csview* y)
+    { return x->size == y->size && !c_memcmp(x->str, y->str, x->size); }
+
+#endif // CSVIEW_H_INCLUDED
+
 /* csview interaction with cstr: */
 #ifdef CSTR_H_INCLUDED
 
@@ -131,23 +147,7 @@ STC_INLINE csview cstr_slice_ex(const cstr* self, intptr_t p1, intptr_t p2)
 
 STC_INLINE csview cstr_u8_substr(const cstr* self , intptr_t bytepos, intptr_t u8len)
     { return csview_u8_substr(cstr_sv(self), bytepos, u8len); }
-
 #endif
-/* ---- Container helper functions ---- */
-
-STC_INLINE int csview_cmp(const csview* x, const csview* y) {
-    intptr_t n = x->size < y->size ? x->size : y->size;
-    int c = c_memcmp(x->str, y->str, n);
-    return c ? c : (int)(x->size - y->size);
-}
-
-STC_INLINE int csview_icmp(const csview* x, const csview* y)
-    { return utf8_icmp_sv(*x, *y); }
-
-STC_INLINE bool csview_eq(const csview* x, const csview* y)
-    { return x->size == y->size && !c_memcmp(x->str, y->str, x->size); }
-
-#endif // CSVIEW_H_INCLUDED
 
 /* -------------------------- IMPLEMENTATION ------------------------- */
 #ifndef CSVIEW_C_INCLUDED
@@ -203,8 +203,11 @@ csview csview_token(csview sv, const char* sep, intptr_t* start) {
 }
 #endif
 #endif
-#undef i_opt
+#ifndef _i_no_undef
+#undef i_static
 #undef i_header
 #undef i_implement
-#undef i_static
 #undef i_import
+#undef i_opt
+#endif
+#undef _i_no_undef
diff --git a/include/stc/utf8.h b/include/stc/utf8.h
index e853263b..d6c759eb 100644
--- a/include/stc/utf8.h
+++ b/include/stc/utf8.h
@@ -1,10 +1,11 @@
 
+#include "ccommon.h"
+
 #ifndef UTF8_H_INCLUDED
 #define UTF8_H_INCLUDED
 
 #include <ctype.h>
 #include "forward.h"
-#include "ccommon.h"
 
 enum {
     U8G_Cc, U8G_Lt, U8G_Nd, U8G_Nl,
diff --git a/src/libstc.c b/src/libstc.c
index afc19a08..7b49540a 100644
--- a/src/libstc.c
+++ b/src/libstc.c
@@ -1,16 +1,8 @@
-#include <stddef.h>
-#if 1
 #define i_import
-#include "../include/stc/utf8.h"
-#define i_implement
-#include "../include/stc/cstr.h"
-#define i_implement
-#include "../include/stc/cregex.h"
-#define i_implement
-#include "../include/stc/csview.h"
-#else
-#define i_import
-#include "../include/stc/cregex.h"
+#include "../include/stc/cregex.h" /* cstr. utf8, and cregex */
 #define i_implement
 #include "../include/stc/csview.h"
+#if __STDC_VERSION__ >= 201112L
+#  define i_implement
+#  include "../include/c11/fmt.h"
 #endif
-- 
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