cSvn-UI for SVN Repositories

diff --git a/csvncgi/html.c b/csvncgi/html.c
new file mode 100644
index 0000000..df50a61
--- /dev/null
+++ b/csvncgi/html.c
@@ -0,0 +1,81 @@
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/sysinfo.h>
+#include <sys/types.h>
+#include <stdint.h>
+#include <dirent.h>
+#include <sys/stat.h> /* chmod(2)    */
+#include <sys/file.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+#include <limits.h>
+#include <string.h>   /* strdup(3)   */
+#include <libgen.h>   /* basename(3) */
+#include <ctype.h>    /* tolower(3)  */
+#include <errno.h>
+#include <time.h>
+#include <sys/time.h>
+#include <pwd.h>
+#include <grp.h>
+#include <stdarg.h>
+#include <unistd.h>
+
+#include <defs.h>
+#include <fatal.h>
+#include <http.h>
+#include <html.h>
+#include <strbuf.h>
+
+
+#define HTML_ERRMSG_SIZE 4096
+
+void html_error( const char *fmt, ... )
+{
+  va_list arg_ptr;
+  char  buf[HTML_ERRMSG_SIZE];
+  char  msg[HTML_ERRMSG_SIZE];
+  char *format = "%s: %s\n";
+
+  va_start( arg_ptr, fmt );
+
+  vsnprintf( msg, HTML_ERRMSG_SIZE, (const void *)fmt, arg_ptr );
+
+  va_end( arg_ptr ); /* Reset variable arguments. */
+
+  snprintf( buf, HTML_ERRMSG_SIZE, format, "http", msg );
+
+  (void)write( STDERR_FILENO, buf, strlen( buf ) );
+
+  exit( 1 );
+}
+
+html_errfunc html_fatal = html_error;
+
+
+void html_raw( const char *data, size_t size )
+{
+  if( write( STDOUT_FILENO, data, size ) != size )
+    html_fatal( "write error on html output" );
+}
+
+void html( const char *txt )
+{
+  html_raw( txt, strlen(txt) );
+}
+
+void htmlf( const char *format, ... )
+{
+  va_list args;
+  struct strbuf buf = STRBUF_INIT;
+
+  va_start( args, format );
+  strbuf_vaddf( &buf, format, args );
+  va_end( args );
+  html( buf.buf );
+  strbuf_release( &buf );
+}