1 files changed, 7 insertions, 1 deletions

diff --git a/lib/sitecing_enflesher.ll b/lib/sitecing_enflesher.ll
index 46489c7..bb667be 100644
--- a/lib/sitecing_enflesher.ll
+++ b/lib/sitecing_enflesher.ll
@@ -158,58 +158,59 @@ ID	[A-Za-z_][A-Za-z0-9_]*
         outs << i->name << "::__do_imports();\n";
     }
     anchor_time = true;
 }
 
         \n                      {
     if(anchor_time)
         anchor();
     ECHO;
 }
         .                       ECHO;
 
 %%
 
 void sitecing_enflesher::LexerOutput(const char *buf,int size) {
     outs.write(buf,size);
 }
 
 void sitecing_enflesher::enflesh() {
     ifstream ifs(parser.skeleton.c_str());
     if(!ifs.good())
         throw preprocessor_error(CODEPOINT,"failed to open skeleton file");
     switch_streams(&ifs,NULL);
     yylex();
+    outs_close();
 }
 
 void sitecing_enflesher::anchor() {
     if(!anchoraged)
         return;
     outs << "\n#line " << lineno() << " \"" << parser.skeleton << "\"\n";
     anchor_time = false;
 }
 
-void sitecing_enflesher::outs_open(const string& nfile) {
+void sitecing_enflesher::outs_close() {
     if(!outs_filename.empty()) {
         outs.flush();
         outs.close();
         outs.clear();
         /*
          * compare source and destination files.
          *
          * one can also keep a hash for the old one and compute one for the
          * output while writing, but I'm not sure if it's any better. Surely a
          * bit less accurate, unless we're going to compare it in case of
          * difference, anyway.
          */
         bool overwrite = false;
         struct stat st_s, st_d;
         string fn_s = outs_filename+".new";
         string fn_d = outs_filename;
         if(stat(fn_d.c_str(),&st_d)) {
             overwrite = true;
         }else{
             if(stat(fn_s.c_str(),&st_s))
                 throw preprocessor_error(CODEPOINT,"failed to stat() supposedly created file");
             if(st_s.st_size!=st_d.st_size) {
                 overwrite = true;
             }else{
@@ -223,32 +224,37 @@ void sitecing_enflesher::outs_open(const string& nfile) {
                 char t1[2048];
                 char t2[sizeof(t1)];
                 while(remaining) {
                     int rb = remaining;
                     if(rb>sizeof(t1))
                         rb = sizeof(t1);
                     if(i_s.read(t1,rb).gcount()!=rb)
                         throw preprocessor_error(CODEPOINT,"error reading just created file");
                     if(i_d.read(t2,rb).gcount()!=rb)
                         throw preprocessor_error(CODEPOINT,"error reading the old preprocessed source");
                     if(memcmp(t1,t2,rb)) {
                         overwrite = true;
                         break;
                     }
                     remaining -= rb;
                 }
             }
         }
         if(overwrite) {
             cerr << "renaming '" << fn_s << "'" << endl;
             if(rename(fn_s.c_str(),fn_d.c_str()))
                 throw preprocessor_error(CODEPOINT,"failed to rename() generated output");
         }
     }
+    outs_filename.erase();
+}
+
+void sitecing_enflesher::outs_open(const string& nfile) {
+    outs_close();
     outs_filename = nfile;
     outs.open((nfile+".new").c_str(),ios::trunc);
     if(!outs.good())
         throw preprocessor_error(CODEPOINT,"failed to write preprocessor output");
 }
 /*
  * vim:set ft=lex:
  */