From 01fb3d86ee588be30c5ee8ef6b89f041a58e358c Mon Sep 17 00:00:00 2001
From: jozan <jozan@noemail.net>
Date: Tue, 10 Nov 2020 17:41:33 +0000
Subject: In progress

FossilOrigin-Name: 32bab09dcbb5f5f7ce85daeed0fa1c030acd73a9a643c35506322cc3fd1a6a33
---
 src/c_subst.c | 37 +++++++++++++++++++++++++++++++++++--
 src/c_subst.h |  2 +-
 2 files changed, 36 insertions(+), 3 deletions(-)

diff --git a/src/c_subst.c b/src/c_subst.c
index 2423609..406d0ae 100644
--- a/src/c_subst.c
+++ b/src/c_subst.c
@@ -179,6 +179,39 @@ c_num_prefix_subst(char filename[])
 	}
 }
 
+static void
+c_specific_subst(char filename[])
+{
+	char *p;
+
+	p = filename;
+	while (*p != 0x00) {
+		if ((*p == 'c' || *p == 'C')) {
+			if (*(p + 1) == '+' && *(p + 2) == '+') {
+				*(p) = 'c';
+				*(p + 1) = 'x';
+				*(p + 2) = 'x';
+			}
+		}
+		p++;
+	}
+}
+
+static void
+c_unicode_subst(char filename[])
+{
+	unsigned char *p;
+
+	p = (unsigned char*)filename;
+	while (*p != 0x00) {
+		if (u_ischarset(*p, "")) {
+			*p = 'c';
+			c_unicode_subst(filename);
+		}
+		p++;
+	}
+}
+
 static void
 c_subst_current
 (char					new_fname[],
@@ -196,8 +229,8 @@ c_subst_current
 	}
 	c_ext_subst(new_fname, cxx);
 	c_num_prefix_subst(new_fname);
-	/* c_exascii_subst(new_fname, hyphen); */
-	/* c_unicode_subst(new_fname, hyphen); */
+	c_specific_subst(new_fname);
+	c_unicode_subst(new_fname);
 	c_classic_subst(new_fname, hyphen);
 }
 
diff --git a/src/c_subst.h b/src/c_subst.h
index 3ca4d65..11e50d6 100644
--- a/src/c_subst.h
+++ b/src/c_subst.h
@@ -50,7 +50,7 @@
 
 #include "c_unixize.h"
 
-#define C_CHARSET_VALID "_."
+#define C_CHARSET_VALID "_-."
 
 struct lfiles_s* c_subst_filenames(struct lfiles_s*,
 	const bool_t, const unsigned char);
-- 
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