From fd8ad78605ffd04f856df5716d6a34cf135312cf Mon Sep 17 00:00:00 2001
From: David Bremner <david@tethera.net>
Date: Mon, 26 Jul 2021 13:48:26 -0300
Subject: get rat2float building against lrslib-072

Many things could be improved, particularly error processing, but at
least it builds and seems to run.
---
 Makefile       |  5 +++--
 process_args.c |  2 ++
 process_args.h |  4 ++++
 rat2float.c    | 15 +++++++++++++--
 4 files changed, 22 insertions(+), 4 deletions(-)
 create mode 100644 process_args.h

diff --git a/Makefile b/Makefile
index db57b12..ed6eb4a 100644
--- a/Makefile
+++ b/Makefile
@@ -37,9 +37,10 @@ docstrings: ${DOCHEADERS}
 
 rat2float.h: rat2float.doc
 
-rat2float: rat2float.c rat2float.h $(MPOBJ) process_args.o
-	$(CC) $(CPPFLAGS) $(CFLAGS) -o $@ $(MPOBJ) process_args.o $(LDFLAGS) $<
+rat2float: rat2float.o $(MPOBJ) process_args.o
+	$(CC) $(CPPFLAGS) $(CFLAGS) -o $@  $^ $(LDFLAGS)
 
+rat2float.o: rat2float.c rat2float.h
 
 rat2canon.h: rat2canon.doc
 
diff --git a/process_args.c b/process_args.c
index 6e6827d..3b82500 100644
--- a/process_args.c
+++ b/process_args.c
@@ -1,5 +1,7 @@
+#include "process_args.h"
 #include <stdio.h>
 #include <stdlib.h>
+
 void process_args(int argc, char **argv,char *docstring){
   if (argc > 1 && argv[1][0]=='-' && argv[1][1]=='h') {
     fprintf(stderr,docstring);  
diff --git a/process_args.h b/process_args.h
new file mode 100644
index 0000000..dacadd3
--- /dev/null
+++ b/process_args.h
@@ -0,0 +1,4 @@
+#ifndef PROCESS_ARGS_H
+#define PROCESS_ARGS_H
+void process_args(int argc, char **argv,char *docstring);
+#endif
diff --git a/rat2float.c b/rat2float.c
index a23df4f..cfb3a0a 100644
--- a/rat2float.c
+++ b/rat2float.c
@@ -6,13 +6,12 @@
  *
  */
 
-static char rcsid[]="$Id$";
-
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
 #include <float.h>
 
+#include "process_args.h"
 #ifdef LRSMP
 #include "lrsmp.h"
 #endif
@@ -44,9 +43,18 @@ void my_readrat(long *num_p, long * denom_p) {
 void rattodouble(integer_t num, integer_t denom, double *out_p){
   *out_p=(double)num/(double)denom;
 }
+
 #else
 typedef  lrs_mp integer_t;
 #define MP_DIGITS 1000L
+FILE *lrs_ifp;
+FILE *lrs_ofp;
+
+void
+lrs_overflow (int ignored) {
+  fprintf (stderr, "lrs_overflow called. exiting\n");
+  exit(1);
+}
 #endif
 
 #include "rat2float.h"
@@ -62,6 +70,9 @@ int main(argc,argv)
   
   char format[BUFSIZ];
   char  buf[BUFSIZ];
+
+  lrs_ifp = stdin;
+  lrs_ofp = stdout;
   
   process_args(argc,argv,DOCSTRING);
 
-- 
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