1. added missing include

2. fixed typo in Makefile
3. fixed zero-size output segfault

3 files changed, 5 insertions, 2 deletions

diff --git a/include/sitecing/acomponent.h b/include/sitecing/acomponent.h
index 160e854..461f8a6 100644
--- a/include/sitecing/acomponent.h
+++ b/include/sitecing/acomponent.h
@@ -1,78 +1,79 @@
 #ifndef __SITECING_ACOMPONENT_H
 #define __SITECING_ACOMPONENT_H
 
+#include <cstdarg>
 #include "sitecing/sitecing_interface.h"
 
 /**
  * @file
  * @brief The acomponent class declaration.
  */
 
 namespace sitecing {
 
     /**
      * An abstract base class for sitecing components.
      */
     class acomponent {
         public:
             /**
              * Pointer to the interface object, used to communicate with the
              * site-C-ing core.
              */
             sitecing_interface *__SCIF;
 
             acomponent();
             virtual ~acomponent();
 
             /**
              * Set the interface to core pointer.
              * @param scif the pointer to the interface object.
              */
             virtual void __set_interface(sitecing_interface *scif=0);
             /**
              * Invoked if the interface to the core has changed.
              * @param oscif pointer to the old interface object.
              */
             virtual void __on_change_interface(sitecing_interface *oscif);
 
             /**
              * do import components.
              */
             virtual void __do_imports();
             /**
              * invoked on components imports.
              */
             virtual void __on_imports();
             /**
              * fetch the pointer to the most derived component.
              * @returns pointer to the most derived object.
              */
             virtual void *__the_most_derived_this() = 0;
 
             /**
              * Do the job.
              * @param __magic the magic number used as a key to decipher the
              * rest of parameters.
              * @param __args the parameters.
              */
             virtual void main(int __magic,va_list __args) = 0;
 
             /**
              * Run the component. Convenience helper for calling main().
              * @param __magic the magic number.
              * @param ... the rest of parameters.
              * @see main();
              */
             void run(int __magic,...);
 
             /**
              * Helper function (which doesn't necessarily belongs here!) for
              * reading the file and passing it to the output stream.
              * @param fn the file name.
              */
             void pass_file_through(const char *fn);
     };
 
 }
 
 #endif /* __SITECING_ACOMPONENT_H */
diff --git a/lib/sitecing_interface_cgi.cc b/lib/sitecing_interface_cgi.cc
index 59ae25a..1acb23c 100644
--- a/lib/sitecing_interface_cgi.cc
+++ b/lib/sitecing_interface_cgi.cc
@@ -1,51 +1,53 @@
 #include <cassert>
 #include "sitecing/sitecing_interface_cgi.h"
 
 namespace sitecing {
 
     sitecing_interface_cgi::sitecing_interface_cgi(sitespace *s)
         : outs(&prebuffer), sitecing_interface(&outs), ss(s), cgigw(NULL), headers_flushed(false) {
         }
 
     void sitecing_interface_cgi::prepare(kingate::cgi_gateway *cg) {
         cgigw = cg;
         headers.clear();
         headers["Content-Type"] = "text/html";
         prebuffer.str("");
         headers_flushed = false;
         set_buffering(true);
     }
 
     void sitecing_interface_cgi::flush(bool keep_buffering) {
         assert(cgigw);
         flush_headers();
         if(is_buffering()) {
             streampos count = prebuffer.pubseekoff(0,ios_base::cur,ios_base::out);
-            cgigw->out().write(prebuffer.str().c_str(),count);
+            if(count>0) {
+                cgigw->out().write(prebuffer.str().c_str(),count);
+            }
             prebuffer.str("");
         }
         cgigw->out().flush();
         set_buffering(keep_buffering);
     }
 
     void sitecing_interface_cgi::set_buffering(bool do_buffer) {
         if(!do_buffer)
             flush_headers();
         outs.rdbuf(do_buffer?&prebuffer:cgigw->out().rdbuf());
     }
 
     bool sitecing_interface_cgi::is_buffering() {
         return outs.rdbuf()==&prebuffer;
     }
 
     void sitecing_interface_cgi::flush_headers() {
         assert(cgigw);
         if(headers_flushed)
             return;
         for(kingate::headers::const_iterator i=headers.begin();i!=headers.end();i++)
             cgigw->out() << i->first << ": " << i->second << "\n";
         cgigw->out() << "\n";
         headers_flushed = true;
     }
 
 }
diff --git a/src/Makefile.am b/src/Makefile.am
index 2ec650d..e6fb31a 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,37 +1,37 @@
 bin_PROGRAMS = sitecing-build
 
 if HAVE_FCGI
 bin_PROGRAMS += sitecing-fastcgi
 endif
 if HAVE_PLAINCGI
 bin_PROGRAMS += sitecing-plaincgi
 endif
 
 INCLUDES = -I${top_srcdir}/include ${KINGATE_CFLAGS} ${DOTCONF_CFLAGS} \
         ${PCREPP_CFLAGS}
 LIBS += ${top_builddir}/lib/libsitecing.la ${DOTCONF_LIBS} \
         ${PCREPP_LIBS}
 
 sitecing_fastcgi_SOURCES = sitecing-fastcgi.cc \
     COPYING.cc
 sitecing_fastcgi_LDADD = ${KINGATE_FCGI_LIBS}
 sitecing_fastcgi_LDFLAGS = -rdynamic
 sitecing_fastcgi_DEPENDENCIES = ${top_builddir}/lib/libsitecing.la
 
 sitecing_plaincgi_SOURCES = sitecing-plaincgi.cc \
     COPYING.cc
 sitecing_plaincgi_LDFLAGS = -rdynamic
 sitecing_plaincgi_LDADD = ${KINGATE_PLAINCGI_LIBS}
 sitecing_plaincgi_DEPENDENCIES = ${top_builddir}/lib/libsitecing.la
 
 sitecing_build_SOURCES = sitecing-build.cc \
     COPYING.cc
 sitecing_build_LDADD = ${KINGATE_LIBS}
 sitecing_build_DEPENDENCIES = ${top_builddir}/lib/libsitecing.la
 
 COPYING.cc: ${top_srcdir}/COPYING
         echo "const char * COPYING =" >$@ || (rm $@;exit 1)
         sed 's/"/\\"/g' $< | sed 's/^/\"/' | sed 's/$$/\\n\"/' >>$@ || (rm $@;exit 1)
         echo ";" >>$@ || (rm $@;exit 1)
 
-EXTRA_DIST = ${sitecing_fastcgi_SOURCES} ${sitecing_PLAINCGI_SOURCES}
+EXTRA_DIST = ${sitecing_fastcgi_SOURCES} ${sitecing_plaincgi_SOURCES}