From c25baea9cc473332b48e359cae15d9b25c21135b Mon Sep 17 00:00:00 2001
From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sun, 15 Jan 2023 13:38:55 -0800
Subject: [PATCH] gvcolor: squash -Wmissing-prototypes warning

---
 cmd/tools/Makefile.am  | 4 ++--
 cmd/tools/colorxlate.h | 3 +++
 cmd/tools/colxlate.c   | 1 +
 cmd/tools/gvcolor.c    | 3 +--
 4 files changed, 7 insertions(+), 4 deletions(-)
 create mode 100644 cmd/tools/colorxlate.h

diff --git a/cmd/tools/Makefile.am b/cmd/tools/Makefile.am
index 123314965..560034494 100644
--- a/cmd/tools/Makefile.am
+++ b/cmd/tools/Makefile.am
@@ -10,7 +10,7 @@ AM_CPPFLAGS = \
 	-I$(top_srcdir)/lib/common \
 	$(EXPAT_INCLUDES)
 
-noinst_HEADERS = colortbl.h convert.h mmio.h matrix_market.h \
+noinst_HEADERS = colortbl.h colorxlate.h convert.h mmio.h matrix_market.h \
 	graph_generator.h gml2gv.h gmlparse.h openFile.h
 if ENABLE_STATIC
 bin_PROGRAMS = gc gvcolor gxl2gv acyclic nop ccomps sccmap tred \
@@ -118,7 +118,7 @@ nop_LDADD = \
 	$(top_builddir)/lib/cgraph/libcgraph.la
 
 
-gvcolor_SOURCES = gvcolor.c colxlate.c colortbl.h
+gvcolor_SOURCES = gvcolor.c colxlate.c colortbl.h colorxlate.h
 
 gvcolor_LDADD = \
 	$(top_builddir)/lib/ingraphs/libingraphs_C.la \
diff --git a/cmd/tools/colorxlate.h b/cmd/tools/colorxlate.h
new file mode 100644
index 000000000..92bef4767
--- /dev/null
+++ b/cmd/tools/colorxlate.h
@@ -0,0 +1,3 @@
+#pragma once
+
+void colorxlate(char *str, char *buf);
diff --git a/cmd/tools/colxlate.c b/cmd/tools/colxlate.c
index f0d5538b2..99232dcd7 100644
--- a/cmd/tools/colxlate.c
+++ b/cmd/tools/colxlate.c
@@ -26,6 +26,7 @@ typedef struct hsbcolor_t {
 } hsbcolor_t;
 
 #include "colortbl.h"
+#include "colorxlate.h"
 
 static char *canoncolor(const char *orig, char *out)
 {
diff --git a/cmd/tools/gvcolor.c b/cmd/tools/gvcolor.c
index 87eedeaa5..2f66e6831 100644
--- a/cmd/tools/gvcolor.c
+++ b/cmd/tools/gvcolor.c
@@ -26,6 +26,7 @@
 #include <cgraph/alloc.h>
 #include <cgraph/cgraph.h>
 #include <cgraph/exit.h>
+#include "colorxlate.h"
 #include <math.h>
 #include <stdlib.h>
 typedef struct Agnodeinfo_t {
@@ -50,8 +51,6 @@ int AdjustSaturation;
 double MinRankSaturation;
 double MaxRankSaturation;
 
-extern void colorxlate(char *str, char *buf);
-
 static int cmpf(Agnode_t ** n0, Agnode_t ** n1)
 {
     double relrank0 = ND_relrank(*n0);
-- 
2.40.0