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}