1 files changed, 26 insertions, 26 deletions

diff --git a/backends/spice/spice.cc b/backends/spice/spice.cc
index be0086ffd..b057063cd 100644
--- a/backends/spice/spice.cc
+++ b/backends/spice/spice.cc
@@ -24,24 +24,24 @@
 #include "kernel/log.h"
 #include <string>
 
-static void print_spice_net(FILE *f, RTLIL::SigBit s, std::string &neg, std::string &pos, std::string &ncpf, int &nc_counter)
+static void print_spice_net(std::ostream &f, RTLIL::SigBit s, std::string &neg, std::string &pos, std::string &ncpf, int &nc_counter)
 {
 	if (s.wire) {
 		if (s.wire->width > 1)
-			fprintf(f, " %s[%d]", RTLIL::id2cstr(s.wire->name), s.offset);
+			f << stringf(" %s[%d]", RTLIL::id2cstr(s.wire->name), s.offset);
 		else
-			fprintf(f, " %s", RTLIL::id2cstr(s.wire->name));
+			f << stringf(" %s", RTLIL::id2cstr(s.wire->name));
 	} else {
 		if (s == RTLIL::State::S0)
-			fprintf(f, " %s", neg.c_str());
+			f << stringf(" %s", neg.c_str());
 		else if (s == RTLIL::State::S1)
-			fprintf(f, " %s", pos.c_str());
+			f << stringf(" %s", pos.c_str());
 		else
-			fprintf(f, " %s%d", ncpf.c_str(), nc_counter++);
+			f << stringf(" %s%d", ncpf.c_str(), nc_counter++);
 	}
 }
 
-static void print_spice_module(FILE *f, RTLIL::Module *module, RTLIL::Design *design, std::string &neg, std::string &pos, std::string &ncpf, bool big_endian)
+static void print_spice_module(std::ostream &f, RTLIL::Module *module, RTLIL::Design *design, std::string &neg, std::string &pos, std::string &ncpf, bool big_endian)
 {
 	SigMap sigmap(module);
 	int cell_counter = 0, conn_counter = 0, nc_counter = 0;
@@ -49,7 +49,7 @@ static void print_spice_module(FILE *f, RTLIL::Module *module, RTLIL::Design *de
 	for (auto &cell_it : module->cells_)
 	{
 		RTLIL::Cell *cell = cell_it.second;
-		fprintf(f, "X%d", cell_counter++);
+		f << stringf("X%d", cell_counter++);
 
 		std::vector<RTLIL::SigSpec> port_sigs;
 
@@ -94,15 +94,15 @@ static void print_spice_module(FILE *f, RTLIL::Module *module, RTLIL::Design *de
 			}
 		}
 
-		fprintf(f, " %s\n", RTLIL::id2cstr(cell->type));
+		f << stringf(" %s\n", RTLIL::id2cstr(cell->type));
 	}
 
 	for (auto &conn : module->connections())
 	for (int i = 0; i < conn.first.size(); i++) {
-		fprintf(f, "V%d", conn_counter++);
+		f << stringf("V%d", conn_counter++);
 		print_spice_net(f, conn.first.extract(i, 1), neg, pos, ncpf, nc_counter);
 		print_spice_net(f, conn.second.extract(i, 1), neg, pos, ncpf, nc_counter);
-		fprintf(f, " DC 0\n");
+		f << stringf(" DC 0\n");
 	}
 }
 
@@ -133,7 +133,7 @@ struct SpiceBackend : public Backend {
 		log("        set the specified module as design top module\n");
 		log("\n");
 	}
-	virtual void execute(FILE *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design)
+	virtual void execute(std::ostream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design)
 	{
 		std::string top_module_name;
 		RTLIL::Module *top_module = NULL;
@@ -174,8 +174,8 @@ struct SpiceBackend : public Backend {
 				if (mod_it.second->get_bool_attribute("\\top"))
 					top_module_name = mod_it.first.str();
 
-		fprintf(f, "* SPICE netlist generated by %s\n", yosys_version_str);
-		fprintf(f, "\n");
+		*f << stringf("* SPICE netlist generated by %s\n", yosys_version_str);
+		*f << stringf("\n");
 
 		for (auto module_it : design->modules_)
 		{
@@ -203,31 +203,31 @@ struct SpiceBackend : public Backend {
 				ports.at(wire->port_id-1) = wire;
 			}
 
-			fprintf(f, ".SUBCKT %s", RTLIL::id2cstr(module->name));
+			*f << stringf(".SUBCKT %s", RTLIL::id2cstr(module->name));
 			for (RTLIL::Wire *wire : ports) {
 				log_assert(wire != NULL);
 				if (wire->width > 1) {
 					for (int i = 0; i < wire->width; i++)
-						fprintf(f, " %s[%d]", RTLIL::id2cstr(wire->name), big_endian ? wire->width - 1 - i : i);
+						*f << stringf(" %s[%d]", RTLIL::id2cstr(wire->name), big_endian ? wire->width - 1 - i : i);
 				} else
-					fprintf(f, " %s", RTLIL::id2cstr(wire->name));
+					*f << stringf(" %s", RTLIL::id2cstr(wire->name));
 			}
-			fprintf(f, "\n");
-			print_spice_module(f, module, design, neg, pos, ncpf, big_endian);
-			fprintf(f, ".ENDS %s\n\n", RTLIL::id2cstr(module->name));
+			*f << stringf("\n");
+			print_spice_module(*f, module, design, neg, pos, ncpf, big_endian);
+			*f << stringf(".ENDS %s\n\n", RTLIL::id2cstr(module->name));
 		}
 
 		if (!top_module_name.empty()) {
 			if (top_module == NULL)
 				log_error("Can't find top module `%s'!\n", top_module_name.c_str());
-			print_spice_module(f, top_module, design, neg, pos, ncpf, big_endian);
-			fprintf(f, "\n");
+			print_spice_module(*f, top_module, design, neg, pos, ncpf, big_endian);
+			*f << stringf("\n");
 		}
 
-		fprintf(f, "************************\n");
-		fprintf(f, "* end of SPICE netlist *\n");
-		fprintf(f, "************************\n");
-		fprintf(f, "\n");
+		*f << stringf("************************\n");
+		*f << stringf("* end of SPICE netlist *\n");
+		*f << stringf("************************\n");
+		*f << stringf("\n");
 	}
 } SpiceBackend;